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Diffstat (limited to 'include/cglm/struct')
53 files changed, 13948 insertions, 0 deletions
diff --git a/include/cglm/struct/aabb2d.h b/include/cglm/struct/aabb2d.h new file mode 100644 index 0000000..9077069 --- /dev/null +++ b/include/cglm/struct/aabb2d.h @@ -0,0 +1,253 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +#ifndef cglms_aabb2ds_h +#define cglms_aabb2ds_h + +#include "../common.h" +#include "../types-struct.h" +#include "../aabb2d.h" +#include "vec2.h" +#include "vec4.h" +#include "mat4.h" + +/* api definition */ +#define glms_aabb2d_(NAME) CGLM_STRUCTAPI(aabb2d, NAME) + +/*! + * @brief apply transform to Axis-Aligned Bounding Box + * + * @param[in] aabb bounding box + * @param[in] m transform matrix + * @param[out] dest transformed bounding box + */ +CGLM_INLINE +void +glms_aabb2d_(transform)(vec2s aabb[2], mat3s m, vec2s dest[2]) { + vec2 rawAabb[2]; + vec2 rawDest[2]; + + glms_vec2_(unpack)(rawAabb, aabb, 2); + glm_aabb2d_transform(rawAabb, m.raw, rawDest); + glms_vec2_(pack)(dest, rawDest, 2); +} + +/*! + * @brief merges two AABB bounding box and creates new one + * + * two box must be in same space, if one of box is in different space then + * you should consider to convert it's space by glm_box_space + * + * @param[in] aabb1 bounding box 1 + * @param[in] aabb2 bounding box 2 + * @param[out] dest merged bounding box + */ +CGLM_INLINE +void +glms_aabb2d_(merge)(vec2s aabb1[2], vec2s aabb2[2], vec2s dest[2]) { + vec2 rawAabb1[2]; + vec2 rawAabb2[2]; + vec2 rawDest[2]; + + glms_vec2_(unpack)(rawAabb1, aabb1, 2); + glms_vec2_(unpack)(rawAabb2, aabb2, 2); + glm_aabb2d_merge(rawAabb1, rawAabb2, rawDest); + glms_vec2_(pack)(dest, rawDest, 2); +} + +/*! + * @brief crops a bounding box with another one. + * + * this could be useful for getting a bbox which fits with view frustum and + * object bounding boxes. In this case you crop view frustum box with objects + * box + * + * @param[in] aabb bounding box 1 + * @param[in] cropAabb crop box + * @param[out] dest cropped bounding box + */ +CGLM_INLINE +void +glms_aabb2d_(crop)(vec2s aabb[2], vec2s cropAabb[2], vec2s dest[2]) { + vec2 rawAabb[2]; + vec2 rawCropAabb[2]; + vec2 rawDest[2]; + + glms_vec2_(unpack)(rawAabb, aabb, 2); + glms_vec2_(unpack)(rawCropAabb, cropAabb, 2); + glm_aabb2d_crop(rawAabb, rawCropAabb, rawDest); + glms_vec2_(pack)(dest, rawDest, 2); +} + +/*! + * @brief crops a bounding box with another one. + * + * this could be useful for getting a bbox which fits with view frustum and + * object bounding boxes. In this case you crop view frustum box with objects + * box + * + * @param[in] aabb bounding box + * @param[in] cropAabb crop box + * @param[in] clampAabb minimum box + * @param[out] dest cropped bounding box + */ +CGLM_INLINE +void +glms_aabb2d_(crop_until)(vec2s aabb[2], + vec2s cropAabb[2], + vec2s clampAabb[2], + vec2s dest[2]) { + glms_aabb2d_(crop)(aabb, cropAabb, dest); + glms_aabb2d_(merge)(clampAabb, dest, dest); +} + +/*! + * @brief invalidate AABB min and max values + * + * @param[in, out] aabb bounding box + */ +CGLM_INLINE +void +glms_aabb2d_(invalidate)(vec2s box[2]) { + box[0] = glms_vec2_(fill)(FLT_MAX); + box[1] = glms_vec2_(fill)(-FLT_MAX); +} + +/*! + * @brief check if AABB is valid or not + * + * @param[in] aabb bounding box + */ +CGLM_INLINE +bool +glms_aabb2d_(isvalid)(vec2s aabb[2]) { + vec2 rawAabb[2]; + glms_vec2_(unpack)(rawAabb, aabb, 2); + return glm_aabb2d_isvalid(rawAabb); +} + +/*! + * @brief distance between of min and max + * + * @param[in] aabb bounding box + */ +CGLM_INLINE +float +glms_aabb2d_(diag)(vec2s aabb[2]) { + vec2 rawAabb[2]; + glms_vec2_(unpack)(rawAabb, aabb, 2); + return glm_aabb2d_diag(rawAabb); +} + + +/*! + * @brief size of aabb + * + * @param[in] aabb bounding aabb + * @param[out] dest size + */ +CGLM_INLINE +vec2s +glms_aabb2d_(sizev)(vec2s aabb[2]) { + vec2s size; + vec2 rawAabb[2]; + glms_vec2_(unpack)(rawAabb, aabb, 2); + glm_aabb2d_sizev(rawAabb, size.raw); + return size; +} + +/*! + * @brief radius of sphere which surrounds AABB + * + * @param[in] aabb bounding box + */ +CGLM_INLINE +float +glms_aabb2d_(radius)(vec2s aabb[2]) { + return glms_aabb2d_(size)(aabb) * 0.5f; +} + +/*! + * @brief computes center point of AABB + * + * @param[in] aabb bounding box + * @returns center of bounding box + */ +CGLM_INLINE +vec2s +glms_aabb2d_(center)(vec2s aabb[2]) { + return glms_vec2_(center)(aabb[0], aabb[1]); +} + +/*! + * @brief check if two AABB intersects + * + * @param[in] aabb bounding box + * @param[in] other other bounding box + */ +CGLM_INLINE +bool +glms_aabb2d_(aabb)(vec2s aabb[2], vec2s other[2]) { + vec2 rawAabb[2]; + vec2 rawOther[2]; + + glms_vec2_(unpack)(rawAabb, aabb, 2); + glms_vec2_(unpack)(rawOther, other, 2); + return glm_aabb2d_aabb(rawAabb, rawOther); +} + +/*! + * @brief check if AABB intersects with a circle + * + * https://github.com/erich666/GraphicsGems/blob/master/gems/BoxSphere.c + * Solid Box - Solid Sphere test. + * + * @param[in] aabb solid bounding box + * @param[in] s solid sphere + */ +CGLM_INLINE +bool +glms_aabb2d_(circle)(vec2s aabb[2], vec3s c) { + vec2 rawAabb[2]; + + glms_vec2_(unpack)(rawAabb, aabb, 2); + return glm_aabb2d_circle(rawAabb, c.raw); +} + +/*! + * @brief check if point is inside of AABB + * + * @param[in] aabb bounding box + * @param[in] point point + */ +CGLM_INLINE +bool +glms_aabb2d_(point)(vec2s aabb[2], vec2s point) { + vec2 rawAabb[2]; + + glms_vec2_(unpack)(rawAabb, aabb, 2); + return glm_aabb2d_point(rawAabb, point.raw); +} + +/*! + * @brief check if AABB contains other AABB + * + * @param[in] box bounding box + * @param[in] other other bounding box + */ +CGLM_INLINE +bool +glms_aabb2d_(contains)(vec2s aabb[2], vec2s other[2]) { + vec2 rawAabb[2]; + vec2 rawOther[2]; + + glms_vec2_(unpack)(rawAabb, aabb, 2); + glms_vec2_(unpack)(rawOther, other, 2); + return glm_aabb2d_contains(rawAabb, rawOther); +} + +#endif /* cglms_aabb2ds_h */ diff --git a/include/cglm/struct/affine-mat.h b/include/cglm/struct/affine-mat.h new file mode 100644 index 0000000..e1d4ff3 --- /dev/null +++ b/include/cglm/struct/affine-mat.h @@ -0,0 +1,90 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE mat4s glms_mul(mat4 m1, mat4 m2); + CGLM_INLINE mat4s glms_mul_rot(mat4 m1, mat4 m2); + CGLM_INLINE mat4s glms_inv_tr(); + */ + +#ifndef cglms_affine_mat_h +#define cglms_affine_mat_h + +#include "../common.h" +#include "../types-struct.h" +#include "../affine-mat.h" +#include "vec3.h" +#include "vec4.h" +#include "mat4.h" + +/*! + * @brief this is similar to glms_mat4_mul but specialized to affine transform + * + * Matrix format should be: + * R R R X + * R R R Y + * R R R Z + * 0 0 0 W + * + * this reduces some multiplications. It should be faster than mat4_mul. + * if you are not sure about matrix format then DON'T use this! use mat4_mul + * + * @param[in] m1 affine matrix 1 + * @param[in] m2 affine matrix 2 + * @returns destination matrix + */ +CGLM_INLINE +mat4s +glms_mul(mat4s m1, mat4s m2){ + mat4s r; + glm_mul(m1.raw, m2.raw, r.raw); + return r; +} + +/*! + * @brief this is similar to glm_mat4_mul but specialized to affine transform + * + * Right Matrix format should be: + * R R R 0 + * R R R 0 + * R R R 0 + * 0 0 0 1 + * + * this reduces some multiplications. It should be faster than mat4_mul. + * if you are not sure about matrix format then DON'T use this! use mat4_mul + * + * @param[in] m1 affine matrix 1 + * @param[in] m2 affine matrix 2 + * @returns destination matrix + */ +CGLM_INLINE +mat4s +glms_mul_rot(mat4s m1, mat4s m2){ + mat4s r; + glm_mul_rot(m1.raw, m2.raw, r.raw); + return r; +} + +/*! + * @brief inverse orthonormal rotation + translation matrix (ridig-body) + * + * @code + * X = | R T | X' = | R' -R'T | + * | 0 1 | | 0 1 | + * @endcode + * + * @param[in] m matrix + * @returns destination matrix + */ +CGLM_INLINE +mat4s +glms_inv_tr(mat4s m){ + glm_inv_tr(m.raw); + return m; +} +#endif /* cglms_affine_mat_h */ diff --git a/include/cglm/struct/affine-post.h b/include/cglm/struct/affine-post.h new file mode 100644 index 0000000..e155660 --- /dev/null +++ b/include/cglm/struct/affine-post.h @@ -0,0 +1,184 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE mat4s glms_translated(mat4s m, vec3s v); + CGLM_INLINE mat4s glms_translated_x(mat4s m, float x); + CGLM_INLINE mat4s glms_translated_y(mat4s m, float y); + CGLM_INLINE mat4s glms_translated_z(mat4s m, float z); + CGLM_INLINE mat4s glms_rotated_x(mat4s m, float angle); + CGLM_INLINE mat4s glms_rotated_y(mat4s m, float angle); + CGLM_INLINE mat4s glms_rotated_z(mat4s m, float angle); + CGLM_INLINE mat4s glms_rotated(mat4s m, float angle, vec3s axis); + CGLM_INLINE mat4s glms_rotated_at(mat4s m, vec3s pivot, float angle, vec3s axis); + CGLM_INLINE mat4s glms_spinned(mat4s m, float angle, vec3s axis); + */ + +#ifndef cglms_affines_post_h +#define cglms_affines_post_h + +#include "../common.h" +#include "../types-struct.h" +#include "../affine.h" +#include "vec3.h" +#include "vec4.h" +#include "mat4.h" + +/*! + * @brief translate existing transform matrix by v vector + * and stores result in same matrix + * + * @param[in] m affine transform + * @param[in] v translate vector [x, y, z] + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_translated(mat4s m, vec3s v) { + glm_translated(m.raw, v.raw); + return m; +} + +/*! + * @brief translate existing transform matrix by x factor + * + * @param[in] m affine transform + * @param[in] x x factor + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_translated_x(mat4s m, float x) { + glm_translated_x(m.raw, x); + return m; +} + +/*! + * @brief translate existing transform matrix by y factor + * + * @param[in] m affine transform + * @param[in] y y factor + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_translated_y(mat4s m, float y) { + glm_translated_y(m.raw, y); + return m; +} + +/*! + * @brief translate existing transform matrix by z factor + * + * @param[in] m affine transform + * @param[in] z z factor + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_translated_z(mat4s m, float z) { + glm_translated_z(m.raw, z); + return m; +} + +/*! + * @brief rotate existing transform matrix around X axis by angle + * and store result in dest + * + * @param[in] m affine transform + * @param[in] angle angle (radians) + * @returns rotated matrix + */ +CGLM_INLINE +mat4s +glms_rotated_x(mat4s m, float angle) { + mat4s r; + glm_rotated_x(m.raw, angle, r.raw); + return r; +} + +/*! + * @brief rotate existing transform matrix around Y axis by angle + * and store result in dest + * + * @param[in] m affine transform + * @param[in] angle angle (radians) + * @returns rotated matrix + */ +CGLM_INLINE +mat4s +glms_rotated_y(mat4s m, float angle) { + mat4s r; + glm_rotated_y(m.raw, angle, r.raw); + return r; +} + +/*! + * @brief rotate existing transform matrix around Z axis by angle + * and store result in dest + * + * @param[in] m affine transform + * @param[in] angle angle (radians) + * @returns rotated matrix + */ +CGLM_INLINE +mat4s +glms_rotated_z(mat4s m, float angle) { + mat4s r; + glm_rotated_z(m.raw, angle, r.raw); + return r; +} + +/*! + * @brief rotate existing transform matrix around given axis by angle + * + * @param[in] m affine transform + * @param[in] angle angle (radians) + * @param[in] axis axis + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_rotated(mat4s m, float angle, vec3s axis) { + glm_rotated(m.raw, angle, axis.raw); + return m; +} + +/*! + * @brief rotate existing transform + * around given axis by angle at given pivot point (rotation center) + * + * @param[in] m affine transform + * @param[in] pivot rotation center + * @param[in] angle angle (radians) + * @param[in] axis axis + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_rotated_at(mat4s m, vec3s pivot, float angle, vec3s axis) { + glm_rotated_at(m.raw, pivot.raw, angle, axis.raw); + return m; +} + +/*! + * @brief rotate existing transform matrix around given axis by angle around self (doesn't affected by position) + * + * @param[in] m affine transform + * @param[in] angle angle (radians) + * @param[in] axis axis + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_spinned(mat4s m, float angle, vec3s axis) { + glm_spinned(m.raw, angle, axis.raw); + return m; +} + +#endif /* cglms_affines_post_h */ diff --git a/include/cglm/struct/affine-pre.h b/include/cglm/struct/affine-pre.h new file mode 100644 index 0000000..e323ffa --- /dev/null +++ b/include/cglm/struct/affine-pre.h @@ -0,0 +1,184 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE mat4s glms_translate(mat4s m, vec3s v); + CGLM_INLINE mat4s glms_translate_x(mat4s m, float x); + CGLM_INLINE mat4s glms_translate_y(mat4s m, float y); + CGLM_INLINE mat4s glms_translate_z(mat4s m, float z); + CGLM_INLINE mat4s glms_rotate_x(mat4s m, float angle); + CGLM_INLINE mat4s glms_rotate_y(mat4s m, float angle); + CGLM_INLINE mat4s glms_rotate_z(mat4s m, float angle); + CGLM_INLINE mat4s glms_rotate(mat4s m, float angle, vec3s axis); + CGLM_INLINE mat4s glms_rotate_at(mat4s m, vec3s pivot, float angle, vec3s axis); + CGLM_INLINE mat4s glms_spin(mat4s m, float angle, vec3s axis); + */ + +#ifndef cglms_affines_pre_h +#define cglms_affines_pre_h + +#include "../common.h" +#include "../types-struct.h" +#include "../affine.h" +#include "vec3.h" +#include "vec4.h" +#include "mat4.h" + +/*! + * @brief translate existing transform matrix by v vector + * and stores result in same matrix + * + * @param[in] m affine transform + * @param[in] v translate vector [x, y, z] + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_translate(mat4s m, vec3s v) { + glm_translate(m.raw, v.raw); + return m; +} + +/*! + * @brief translate existing transform matrix by x factor + * + * @param[in] m affine transform + * @param[in] x x factor + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_translate_x(mat4s m, float x) { + glm_translate_x(m.raw, x); + return m; +} + +/*! + * @brief translate existing transform matrix by y factor + * + * @param[in] m affine transform + * @param[in] y y factor + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_translate_y(mat4s m, float y) { + glm_translate_y(m.raw, y); + return m; +} + +/*! + * @brief translate existing transform matrix by z factor + * + * @param[in] m affine transform + * @param[in] z z factor + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_translate_z(mat4s m, float z) { + glm_translate_z(m.raw, z); + return m; +} + +/*! + * @brief rotate existing transform matrix around X axis by angle + * and store result in dest + * + * @param[in] m affine transform + * @param[in] angle angle (radians) + * @returns rotated matrix + */ +CGLM_INLINE +mat4s +glms_rotate_x(mat4s m, float angle) { + mat4s r; + glm_rotate_x(m.raw, angle, r.raw); + return r; +} + +/*! + * @brief rotate existing transform matrix around Y axis by angle + * and store result in dest + * + * @param[in] m affine transform + * @param[in] angle angle (radians) + * @returns rotated matrix + */ +CGLM_INLINE +mat4s +glms_rotate_y(mat4s m, float angle) { + mat4s r; + glm_rotate_y(m.raw, angle, r.raw); + return r; +} + +/*! + * @brief rotate existing transform matrix around Z axis by angle + * and store result in dest + * + * @param[in] m affine transform + * @param[in] angle angle (radians) + * @returns rotated matrix + */ +CGLM_INLINE +mat4s +glms_rotate_z(mat4s m, float angle) { + mat4s r; + glm_rotate_z(m.raw, angle, r.raw); + return r; +} + +/*! + * @brief rotate existing transform matrix around given axis by angle + * + * @param[in] m affine transform + * @param[in] angle angle (radians) + * @param[in] axis axis + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_rotate(mat4s m, float angle, vec3s axis) { + glm_rotate(m.raw, angle, axis.raw); + return m; +} + +/*! + * @brief rotate existing transform + * around given axis by angle at given pivot point (rotation center) + * + * @param[in] m affine transform + * @param[in] pivot rotation center + * @param[in] angle angle (radians) + * @param[in] axis axis + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_rotate_at(mat4s m, vec3s pivot, float angle, vec3s axis) { + glm_rotate_at(m.raw, pivot.raw, angle, axis.raw); + return m; +} + +/*! + * @brief rotate existing transform matrix around given axis by angle around self (doesn't affected by position) + * + * @param[in] m affine transform + * @param[in] angle angle (radians) + * @param[in] axis axis + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_spin(mat4s m, float angle, vec3s axis) { + glm_spin(m.raw, angle, axis.raw); + return m; +} + +#endif /* cglms_affines_pre_h */ diff --git a/include/cglm/struct/affine.h b/include/cglm/struct/affine.h new file mode 100644 index 0000000..37f11be --- /dev/null +++ b/include/cglm/struct/affine.h @@ -0,0 +1,201 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE mat4s glms_translate(mat4s m, vec3s v); + CGLM_INLINE mat4s glms_translate_x(mat4s m, float x); + CGLM_INLINE mat4s glms_translate_y(mat4s m, float y); + CGLM_INLINE mat4s glms_translate_z(mat4s m, float z); + CGLM_INLINE mat4s glms_translate_make(vec3s v); + CGLM_INLINE mat4s glms_scale_to(mat4s m, vec3s v); + CGLM_INLINE mat4s glms_scale_make(vec3s v); + CGLM_INLINE mat4s glms_scale(mat4s m, vec3s v); + CGLM_INLINE mat4s glms_scale_uni(mat4s m, float s); + CGLM_INLINE mat4s glms_rotate_x(mat4s m, float angle); + CGLM_INLINE mat4s glms_rotate_y(mat4s m, float angle); + CGLM_INLINE mat4s glms_rotate_z(mat4s m, float angle); + CGLM_INLINE mat4s glms_rotate_make(float angle, vec3s axis); + CGLM_INLINE mat4s glms_rotate(mat4s m, float angle, vec3s axis); + CGLM_INLINE mat4s glms_rotate_at(mat4s m, vec3s pivot, float angle, vec3s axis); + CGLM_INLINE mat4s glms_rotate_atm(vec3s pivot, float angle, vec3s axis); + CGLM_INLINE mat4s glms_spin(mat4s m, float angle, vec3s axis); + CGLM_INLINE vec3s glms_decompose_scalev(mat4s m); + CGLM_INLINE bool glms_uniscaled(mat4s m); + CGLM_INLINE void glms_decompose_rs(mat4s m, mat4s * r, vec3s * s); + CGLM_INLINE void glms_decompose(mat4s m, vec4s t, mat4s * r, vec3s * s); + */ + +#ifndef cglms_affines_h +#define cglms_affines_h + +#include "../common.h" +#include "../types-struct.h" +#include "../affine.h" +#include "vec3.h" +#include "vec4.h" +#include "mat4.h" +#include "affine-mat.h" + +/*! + * @brief creates NEW translate transform matrix by v vector + * + * @param[in] v translate vector [x, y, z] + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_translate_make(vec3s v) { + mat4s m; + glm_translate_make(m.raw, v.raw); + return m; +} + +/*! + * @brief creates NEW scale matrix by v vector + * + * @param[in] v scale vector [x, y, z] + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_scale_make(vec3s v) { + mat4s m; + glm_scale_make(m.raw, v.raw); + return m; +} + +/*! + * @brief scales existing transform matrix by v vector + * and stores result in same matrix + * + * @param[in] m affine transform + * @param[in] v scale vector [x, y, z] + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_scale(mat4s m, vec3s v) { + mat4s r; + glm_scale_to(m.raw, v.raw, r.raw); + return r; +} + +/*! + * @brief applies uniform scale to existing transform matrix v = [s, s, s] + * and stores result in same matrix + * + * @param[in] m affine transform + * @param[in] s scale factor + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_scale_uni(mat4s m, float s) { + glm_scale_uni(m.raw, s); + return m; +} + +/*! + * @brief creates NEW rotation matrix by angle and axis + * + * axis will be normalized so you don't need to normalize it + * + * @param[in] angle angle (radians) + * @param[in] axis axis + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_rotate_make(float angle, vec3s axis) { + mat4s m; + glm_rotate_make(m.raw, angle, axis.raw); + return m; +} + +/*! + * @brief creates NEW rotation matrix by angle and axis at given point + * + * this creates rotation matrix, it assumes you don't have a matrix + * + * this should work faster than glm_rotate_at because it reduces + * one glm_translate. + * + * @param[in] pivot rotation center + * @param[in] angle angle (radians) + * @param[in] axis axis + * @returns affine transform + */ +CGLM_INLINE +mat4s +glms_rotate_atm(vec3s pivot, float angle, vec3s axis) { + mat4s m; + glm_rotate_atm(m.raw, pivot.raw, angle, axis.raw); + return m; +} + +/*! + * @brief decompose scale vector + * + * @param[in] m affine transform + * @returns scale vector (Sx, Sy, Sz) + */ +CGLM_INLINE +vec3s +glms_decompose_scalev(mat4s m) { + vec3s r; + glm_decompose_scalev(m.raw, r.raw); + return r; +} + +/*! + * @brief returns true if matrix is uniform scaled. This is helpful for + * creating normal matrix. + * + * @param[in] m m + * + * @return boolean + */ +CGLM_INLINE +bool +glms_uniscaled(mat4s m) { + return glm_uniscaled(m.raw); +} + +/*! + * @brief decompose rotation matrix (mat4) and scale vector [Sx, Sy, Sz] + * DON'T pass projected matrix here + * + * @param[in] m affine transform + * @param[out] r rotation matrix + * @param[out] s scale matrix + */ +CGLM_INLINE +void +glms_decompose_rs(mat4s m, mat4s * __restrict r, vec3s * __restrict s) { + glm_decompose_rs(m.raw, r->raw, s->raw); +} + +/*! + * @brief decompose affine transform, TODO: extract shear factors. + * DON'T pass projected matrix here + * + * @param[in] m affine transform + * @param[out] t translation vector + * @param[out] r rotation matrix (mat4) + * @param[out] s scaling vector [X, Y, Z] + */ +CGLM_INLINE +void +glms_decompose(mat4s m, vec4s * __restrict t, mat4s * __restrict r, vec3s * __restrict s) { + glm_decompose(m.raw, t->raw, r->raw, s->raw); +} + +#include "affine-pre.h" +#include "affine-post.h" + +#endif /* cglms_affines_h */ diff --git a/include/cglm/struct/affine2d.h b/include/cglm/struct/affine2d.h new file mode 100644 index 0000000..ade7c32 --- /dev/null +++ b/include/cglm/struct/affine2d.h @@ -0,0 +1,177 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE mat3s glms_translate2d(mat3 m, vec2 v) + CGLM_INLINE mat3s glms_translate2d_x(mat3s m, float x) + CGLM_INLINE mat3s glms_translate2d_y(mat3s m, float y) + CGLM_INLINE mat3s glms_translate2d_make(vec2s v) + CGLM_INLINE mat3s glms_scale2d_make(vec2s v) + CGLM_INLINE mat3s glms_scale2d(mat3s m, vec2s v) + CGLM_INLINE mat3s glms_scale2d_uni(mat3s m, float s) + CGLM_INLINE mat3s glms_rotate2d_make(float angle) + CGLM_INLINE mat3s glms_rotate2d(mat3s m, float angle) + CGLM_INLINE mat3s glms_rotate2d_to(mat3s m, float angle) + */ + +#ifndef cglms_affine2ds_h +#define cglms_affine2ds_h + +#include "../common.h" +#include "../types-struct.h" +#include "../affine2d.h" +#include "vec3.h" +#include "mat3.h" + +/*! + * @brief translate existing 2d transform matrix by v vector + * and stores result in same matrix + * + * @param[in] m affine transform + * @param[in] v translate vector [x, y] + * @returns affine transform + */ +CGLM_INLINE +mat3s +glms_translate2d(mat3s m, vec2s v) { + glm_translate2d(m.raw, v.raw); + return m; +} + +/*! + * @brief translate existing 2d transform matrix by x factor + * + * @param[in] m affine transform + * @param[in] x x factor + * @returns affine transform + */ +CGLM_INLINE +mat3s +glms_translate2d_x(mat3s m, float x) { + glm_translate2d_x(m.raw, x); + return m; +} + +/*! + * @brief translate existing 2d transform matrix by y factor + * + * @param[in] m affine transform + * @param[in] y y factor + * @returns affine transform + */ +CGLM_INLINE +mat3s +glms_translate2d_y(mat3s m, float y) { + glm_translate2d_y(m.raw, y); + return m; +} + +/*! + * @brief creates NEW translate 2d transform matrix by v vector + * + * @param[in] v translate vector [x, y] + * @returns affine transform + */ +CGLM_INLINE +mat3s +glms_translate2d_make(vec2s v) { + mat3s m; + glm_translate2d_make(m.raw, v.raw); + return m; +} + +/*! + * @brief creates NEW 2d scale matrix by v vector + * + * @param[in] v scale vector [x, y] + * @returns affine transform + */ +CGLM_INLINE +mat3s +glms_scale2d_make(vec2s v) { + mat3s m; + glm_scale2d_make(m.raw, v.raw); + return m; +} + +/*! + * @brief scales existing 2d transform matrix by v vector + * and stores result in same matrix + * + * @param[in] m affine transform + * @param[in] v scale vector [x, y, z] + * @returns affine transform + */ +CGLM_INLINE +mat3s +glms_scale2d(mat3s m, vec2s v) { + mat3s r; + glm_scale2d_to(m.raw, v.raw, r.raw); + return r; +} + +/*! + * @brief applies uniform scale to existing 2d transform matrix v = [s, s, s] + * and stores result in same matrix + * + * @param[in] m affine transform + * @param[in] s scale factor + * @returns affine transform + */ +CGLM_INLINE +mat3s +glms_scale2d_uni(mat3s m, float s) { + glm_scale2d_uni(m.raw, s); + return m; +} + +/*! + * @brief creates NEW 2d rotation matrix by angle and axis + * + * axis will be normalized so you don't need to normalize it + * + * @param[in] angle angle (radians) + * @returns affine transform + */ +CGLM_INLINE +mat3s +glms_rotate2d_make(float angle) { + mat3s m; + glm_rotate2d_make(m.raw, angle); + return m; +} + +/*! + * @brief rotate existing 2d transform matrix around given axis by angle + * + * @param[in] m affine transform + * @param[in] angle angle (radians) + * @returns affine transform + */ +CGLM_INLINE +mat3s +glms_rotate2d(mat3s m, float angle) { + glm_rotate2d(m.raw, angle); + return m; +} + +/*! + * @brief rotate existing 2d transform matrix around given axis by angle + * + * @param[in] m affine transform + * @param[in] angle angle (radians) + * @returns affine transform + */ +CGLM_INLINE +mat3s +glms_rotate2d_to(mat3s m, float angle) { + glm_rotate2d(m.raw, angle); + return m; +} + +#endif /* cglms_affine2ds_h */ diff --git a/include/cglm/struct/box.h b/include/cglm/struct/box.h new file mode 100644 index 0000000..ac32328 --- /dev/null +++ b/include/cglm/struct/box.h @@ -0,0 +1,259 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +#ifndef cglms_boxs_h +#define cglms_boxs_h + +#include "../common.h" +#include "../types-struct.h" +#include "../box.h" +#include "vec3.h" +#include "vec4.h" +#include "mat4.h" + +/* api definition */ +#define glms_aabb_(NAME) CGLM_STRUCTAPI(aabb, NAME) + +/*! + * @brief apply transform to Axis-Aligned Bounding Box + * + * @param[in] box bounding box + * @param[in] m transform matrix + * @param[out] dest transformed bounding box + */ +CGLM_INLINE +void +glms_aabb_(transform)(vec3s box[2], mat4s m, vec3s dest[2]) { + vec3 rawBox[2]; + vec3 rawDest[2]; + + glms_vec3_(unpack)(rawBox, box, 2); + glm_aabb_transform(rawBox, m.raw, rawDest); + glms_vec3_(pack)(dest, rawDest, 2); +} + +/*! + * @brief merges two AABB bounding box and creates new one + * + * two box must be in same space, if one of box is in different space then + * you should consider to convert it's space by glm_box_space + * + * @param[in] box1 bounding box 1 + * @param[in] box2 bounding box 2 + * @param[out] dest merged bounding box + */ +CGLM_INLINE +void +glms_aabb_(merge)(vec3s box1[2], vec3s box2[2], vec3s dest[2]) { + vec3 rawBox1[2]; + vec3 rawBox2[2]; + vec3 rawDest[2]; + + glms_vec3_(unpack)(rawBox1, box1, 2); + glms_vec3_(unpack)(rawBox2, box2, 2); + glm_aabb_merge(rawBox1, rawBox2, rawDest); + glms_vec3_(pack)(dest, rawDest, 2); +} + +/*! + * @brief crops a bounding box with another one. + * + * this could be useful for getting a bbox which fits with view frustum and + * object bounding boxes. In this case you crop view frustum box with objects + * box + * + * @param[in] box bounding box 1 + * @param[in] cropBox crop box + * @param[out] dest cropped bounding box + */ +CGLM_INLINE +void +glms_aabb_(crop)(vec3s box[2], vec3s cropBox[2], vec3s dest[2]) { + vec3 rawBox[2]; + vec3 rawCropBox[2]; + vec3 rawDest[2]; + + glms_vec3_(unpack)(rawBox, box, 2); + glms_vec3_(unpack)(rawCropBox, cropBox, 2); + glm_aabb_crop(rawBox, rawCropBox, rawDest); + glms_vec3_(pack)(dest, rawDest, 2); +} + +/*! + * @brief crops a bounding box with another one. + * + * this could be useful for getting a bbox which fits with view frustum and + * object bounding boxes. In this case you crop view frustum box with objects + * box + * + * @param[in] box bounding box + * @param[in] cropBox crop box + * @param[in] clampBox minimum box + * @param[out] dest cropped bounding box + */ +CGLM_INLINE +void +glms_aabb_(crop_until)(vec3s box[2], + vec3s cropBox[2], + vec3s clampBox[2], + vec3s dest[2]) { + glms_aabb_(crop)(box, cropBox, dest); + glms_aabb_(merge)(clampBox, dest, dest); +} + +/*! + * @brief check if AABB intersects with frustum planes + * + * this could be useful for frustum culling using AABB. + * + * OPTIMIZATION HINT: + * if planes order is similar to LEFT, RIGHT, BOTTOM, TOP, NEAR, FAR + * then this method should run even faster because it would only use two + * planes if object is not inside the two planes + * fortunately cglm extracts planes as this order! just pass what you got! + * + * @param[in] box bounding box + * @param[in] planes frustum planes + */ +CGLM_INLINE +bool +glms_aabb_(frustum)(vec3s box[2], vec4s planes[6]) { + vec3 rawBox[2]; + vec4 rawPlanes[6]; + + glms_vec3_(unpack)(rawBox, box, 2); + glms_vec4_(unpack)(rawPlanes, planes, 6); + return glm_aabb_frustum(rawBox, rawPlanes); +} + +/*! + * @brief invalidate AABB min and max values + * + * @param[in, out] box bounding box + */ +CGLM_INLINE +void +glms_aabb_(invalidate)(vec3s box[2]) { + box[0] = glms_vec3_(broadcast)(FLT_MAX); + box[1] = glms_vec3_(broadcast)(-FLT_MAX); +} + +/*! + * @brief check if AABB is valid or not + * + * @param[in] box bounding box + */ +CGLM_INLINE +bool +glms_aabb_(isvalid)(vec3s box[2]) { + vec3 rawBox[2]; + glms_vec3_(unpack)(rawBox, box, 2); + return glm_aabb_isvalid(rawBox); +} + +/*! + * @brief distance between of min and max + * + * @param[in] box bounding box + */ +CGLM_INLINE +float +glms_aabb_(size)(vec3s box[2]) { + return glm_vec3_distance(box[0].raw, box[1].raw); +} + +/*! + * @brief radius of sphere which surrounds AABB + * + * @param[in] box bounding box + */ +CGLM_INLINE +float +glms_aabb_(radius)(vec3s box[2]) { + return glms_aabb_(size)(box) * 0.5f; +} + +/*! + * @brief computes center point of AABB + * + * @param[in] box bounding box + * @returns center of bounding box + */ +CGLM_INLINE +vec3s +glms_aabb_(center)(vec3s box[2]) { + return glms_vec3_(center)(box[0], box[1]); +} + +/*! + * @brief check if two AABB intersects + * + * @param[in] box bounding box + * @param[in] other other bounding box + */ +CGLM_INLINE +bool +glms_aabb_(aabb)(vec3s box[2], vec3s other[2]) { + vec3 rawBox[2]; + vec3 rawOther[2]; + + glms_vec3_(unpack)(rawBox, box, 2); + glms_vec3_(unpack)(rawOther, other, 2); + return glm_aabb_aabb(rawBox, rawOther); +} + +/*! + * @brief check if AABB intersects with sphere + * + * https://github.com/erich666/GraphicsGems/blob/master/gems/BoxSphere.c + * Solid Box - Solid Sphere test. + * + * @param[in] box solid bounding box + * @param[in] s solid sphere + */ +CGLM_INLINE +bool +glms_aabb_(sphere)(vec3s box[2], vec4s s) { + vec3 rawBox[2]; + + glms_vec3_(unpack)(rawBox, box, 2); + return glm_aabb_sphere(rawBox, s.raw); +} + +/*! + * @brief check if point is inside of AABB + * + * @param[in] box bounding box + * @param[in] point point + */ +CGLM_INLINE +bool +glms_aabb_(point)(vec3s box[2], vec3s point) { + vec3 rawBox[2]; + + glms_vec3_(unpack)(rawBox, box, 2); + return glm_aabb_point(rawBox, point.raw); +} + +/*! + * @brief check if AABB contains other AABB + * + * @param[in] box bounding box + * @param[in] other other bounding box + */ +CGLM_INLINE +bool +glms_aabb_(contains)(vec3s box[2], vec3s other[2]) { + vec3 rawBox[2]; + vec3 rawOther[2]; + + glms_vec3_(unpack)(rawBox, box, 2); + glms_vec3_(unpack)(rawOther, other, 2); + return glm_aabb_contains(rawBox, rawOther); +} + +#endif /* cglms_boxs_h */ diff --git a/include/cglm/struct/cam.h b/include/cglm/struct/cam.h new file mode 100644 index 0000000..ab6cbbb --- /dev/null +++ b/include/cglm/struct/cam.h @@ -0,0 +1,646 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE mat4s glms_frustum(float left, float right, + float bottom, float top, + float nearZ, float farZ) + CGLM_INLINE mat4s glms_ortho(float left, float right, + float bottom, float top, + float nearZ, float farZ) + CGLM_INLINE mat4s glms_ortho_aabb(vec3s box[2]); + CGLM_INLINE mat4s glms_ortho_aabb_p(vec3s box[2], float padding); + CGLM_INLINE mat4s glms_ortho_aabb_pz(vec3s box[2], float padding); + CGLM_INLINE mat4s glms_ortho_default(float aspect) + CGLM_INLINE mat4s glms_ortho_default_s(float aspect, float size) + CGLM_INLINE mat4s glms_perspective(float fovy, + float aspect, + float nearZ, + float farZ) + CGLM_INLINE void glms_persp_move_far(mat4s proj, float deltaFar) + CGLM_INLINE mat4s glms_perspective_default(float aspect) + CGLM_INLINE void glms_perspective_resize(mat4s proj, float aspect) + CGLM_INLINE mat4s glms_lookat(vec3s eye, vec3s center, vec3s up) + CGLM_INLINE mat4s glms_look(vec3s eye, vec3s dir, vec3s up) + CGLM_INLINE mat4s glms_look_anyup(vec3s eye, vec3s dir) + CGLM_INLINE void glms_persp_decomp(mat4s proj, + float *nearv, float *farv, + float *top, float *bottom, + float *left, float *right) + CGLM_INLINE void glms_persp_decompv(mat4s proj, float dest[6]) + CGLM_INLINE void glms_persp_decomp_x(mat4s proj, float *left, float *right) + CGLM_INLINE void glms_persp_decomp_y(mat4s proj, float *top, float *bottom) + CGLM_INLINE void glms_persp_decomp_z(mat4s proj, float *nearv, float *farv) + CGLM_INLINE void glms_persp_decomp_far(mat4s proj, float *farZ) + CGLM_INLINE void glms_persp_decomp_near(mat4s proj, float *nearZ) + CGLM_INLINE float glms_persp_fovy(mat4s proj) + CGLM_INLINE float glms_persp_aspect(mat4s proj) + CGLM_INLINE vec4s glms_persp_sizes(mat4s proj, float fovy) + */ + +#ifndef cglms_cam_h +#define cglms_cam_h + +#include "../common.h" +#include "../types-struct.h" +#include "../plane.h" +#include "../cam.h" + +#ifndef CGLM_CLIPSPACE_INCLUDE_ALL +# if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO +# include "clipspace/ortho_lh_zo.h" +# include "clipspace/persp_lh_zo.h" +# include "clipspace/view_lh_zo.h" +# elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO +# include "clipspace/ortho_lh_no.h" +# include "clipspace/persp_lh_no.h" +# include "clipspace/view_lh_no.h" +# elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO +# include "clipspace/ortho_rh_zo.h" +# include "clipspace/persp_rh_zo.h" +# include "clipspace/view_rh_zo.h" +# elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO +# include "clipspace/ortho_rh_no.h" +# include "clipspace/persp_rh_no.h" +# include "clipspace/view_rh_no.h" +# endif +#else +# include "clipspace/ortho_lh_zo.h" +# include "clipspace/persp_lh_zo.h" +# include "clipspace/ortho_lh_no.h" +# include "clipspace/persp_lh_no.h" +# include "clipspace/ortho_rh_zo.h" +# include "clipspace/persp_rh_zo.h" +# include "clipspace/ortho_rh_no.h" +# include "clipspace/persp_rh_no.h" +# include "clipspace/view_lh_zo.h" +# include "clipspace/view_lh_no.h" +# include "clipspace/view_rh_zo.h" +# include "clipspace/view_rh_no.h" +#endif + +/*! + * @brief set up perspective peprojection matrix + * + * @param[in] left viewport.left + * @param[in] right viewport.right + * @param[in] bottom viewport.bottom + * @param[in] top viewport.top + * @param[in] nearZ near clipping plane + * @param[in] farZ far clipping plane + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_frustum(float left, float right, + float bottom, float top, + float nearZ, float farZ) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + return glms_frustum_lh_zo(left, right, bottom, top, nearZ, farZ); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + return glms_frustum_lh_no(left, right, bottom, top, nearZ, farZ); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + return glms_frustum_rh_zo(left, right, bottom, top, nearZ, farZ); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + return glms_frustum_rh_no(left, right, bottom, top, nearZ, farZ); +#endif +} + +/*! + * @brief set up orthographic projection matrix + * + * @param[in] left viewport.left + * @param[in] right viewport.right + * @param[in] bottom viewport.bottom + * @param[in] top viewport.top + * @param[in] nearZ near clipping plane + * @param[in] farZ far clipping plane + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho(float left, float right, + float bottom, float top, + float nearZ, float farZ) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + return glms_ortho_lh_zo(left, right, bottom, top, nearZ, farZ); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + return glms_ortho_lh_no(left, right, bottom, top, nearZ, farZ); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + return glms_ortho_rh_zo(left, right, bottom, top, nearZ, farZ); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + return glms_ortho_rh_no(left, right, bottom, top, nearZ, farZ); +#endif +} + +/*! + * @brief set up orthographic projection matrix using bounding box + * + * bounding box (AABB) must be in view space + * + * @param[in] box AABB + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_aabb(vec3s box[2]) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + return glms_ortho_aabb_lh_zo(box); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + return glms_ortho_aabb_lh_no(box); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + return glms_ortho_aabb_rh_zo(box); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + return glms_ortho_aabb_rh_no(box); +#endif +} + +/*! + * @brief set up orthographic projection matrix using bounding box + * + * bounding box (AABB) must be in view space + * + * @param[in] box AABB + * @param[in] padding padding + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_aabb_p(vec3s box[2], float padding) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + return glms_ortho_aabb_p_lh_zo(box, padding); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + return glms_ortho_aabb_p_lh_no(box, padding); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + return glms_ortho_aabb_p_rh_zo(box, padding); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + return glms_ortho_aabb_p_rh_no(box, padding); +#endif +} + +/*! + * @brief set up orthographic projection matrix using bounding box + * + * bounding box (AABB) must be in view space + * + * @param[in] box AABB + * @param[in] padding padding for near and far + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_aabb_pz(vec3s box[2], float padding) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + return glms_ortho_aabb_pz_lh_zo(box, padding); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + return glms_ortho_aabb_pz_lh_no(box, padding); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + return glms_ortho_aabb_pz_rh_zo(box, padding); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + return glms_ortho_aabb_pz_rh_no(box, padding); +#endif +} + +/*! + * @brief set up unit orthographic projection matrix + * + * @param[in] aspect aspect ration ( width / height ) + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_default(float aspect) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + return glms_ortho_default_lh_zo(aspect); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + return glms_ortho_default_lh_no(aspect); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + return glms_ortho_default_rh_zo(aspect); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + return glms_ortho_default_rh_no(aspect); +#endif +} + +/*! + * @brief set up orthographic projection matrix with given CUBE size + * + * @param[in] aspect aspect ratio ( width / height ) + * @param[in] size cube size + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_default_s(float aspect, float size) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + return glms_ortho_default_s_lh_zo(aspect, size); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + return glms_ortho_default_s_lh_no(aspect, size); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + return glms_ortho_default_s_rh_zo(aspect, size); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + return glms_ortho_default_s_rh_no(aspect, size); +#endif +} + +/*! + * @brief set up perspective projection matrix + * + * @param[in] fovy field of view angle + * @param[in] aspect aspect ratio ( width / height ) + * @param[in] nearZ near clipping plane + * @param[in] farZ far clipping planes + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_perspective(float fovy, float aspect, float nearZ, float farZ) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + return glms_perspective_lh_zo(fovy, aspect, nearZ, farZ); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + return glms_perspective_lh_no(fovy, aspect, nearZ, farZ); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + return glms_perspective_rh_zo(fovy, aspect, nearZ, farZ); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + return glms_perspective_rh_no(fovy, aspect, nearZ, farZ); +#endif +} + +/*! + * @brief extend perspective projection matrix's far distance + * + * NOTE: if you dodn't want to create new matrix then use array api on struct.raw + * like glm_persp_move_far(prooj.raw, deltaFar) to avoid create new mat4 + * each time + * + * this function does not guarantee far >= near, be aware of that! + * + * @param[in, out] proj projection matrix to extend + * @param[in] deltaFar distance from existing far (negative to shink) + */ +CGLM_INLINE +mat4s +glms_persp_move_far(mat4s proj, float deltaFar) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + return glms_persp_move_far_lh_zo(proj, deltaFar); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + return glms_persp_move_far_lh_no(proj, deltaFar); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + return glms_persp_move_far_rh_zo(proj, deltaFar); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + return glms_persp_move_far_rh_no(proj, deltaFar); +#endif +} + +/*! + * @brief set up perspective projection matrix with default near/far + * and angle values + * + * @param[in] aspect aspect ratio ( width / height ) + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_perspective_default(float aspect) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + return glms_perspective_default_lh_zo(aspect); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + return glms_perspective_default_lh_no(aspect); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + return glms_perspective_default_rh_zo(aspect); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + return glms_perspective_default_rh_no(aspect); +#endif +} + +/*! + * @brief resize perspective matrix by aspect ratio ( width / height ) + * this makes very easy to resize proj matrix when window /viewport + * reized + * + * NOTE: if you dodn't want to create new matrix then use array api on struct.raw + * like glms_perspective_resize(proj.raw, aspect) to avoid create new mat4 + * each time + * + * @param[in, out] proj perspective projection matrix + * @param[in] aspect aspect ratio ( width / height ) + */ +CGLM_INLINE +mat4s +glms_perspective_resize(mat4s proj, float aspect) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + return glms_perspective_resize_lh_zo(proj, aspect); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + return glms_perspective_resize_lh_no(proj, aspect); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + return glms_perspective_resize_rh_zo(proj, aspect); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + return glms_perspective_resize_rh_no(proj, aspect); +#endif +} + +/*! + * @brief set up view matrix + * + * NOTE: The UP vector must not be parallel to the line of sight from + * the eye point to the reference point + * + * @param[in] eye eye vector + * @param[in] center center vector + * @param[in] up up vector + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_lookat(vec3s eye, vec3s center, vec3s up) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + return glms_lookat_lh_zo(eye, center, up); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + return glms_lookat_lh_no(eye, center, up); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + return glms_lookat_rh_zo(eye, center, up); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + return glms_lookat_rh_no(eye, center, up); +#endif +} + +/*! + * @brief set up view matrix + * + * convenient wrapper for lookat: if you only have direction not target self + * then this might be useful. Because you need to get target from direction. + * + * NOTE: The UP vector must not be parallel to the line of sight from + * the eye point to the reference point + * + * @param[in] eye eye vector + * @param[in] dir direction vector + * @param[in] up up vector + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_look(vec3s eye, vec3s dir, vec3s up) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + return glms_look_lh_zo(eye, dir, up); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + return glms_look_lh_no(eye, dir, up); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + return glms_look_rh_zo(eye, dir, up); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + return glms_look_rh_no(eye, dir, up); +#endif +} + +/*! + * @brief set up view matrix + * + * convenient wrapper for look: if you only have direction and if you don't + * care what UP vector is then this might be useful to create view matrix + * + * @param[in] eye eye vector + * @param[in] dir direction vector + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_look_anyup(vec3s eye, vec3s dir) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + return glms_look_anyup_lh_zo(eye, dir); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + return glms_look_anyup_lh_no(eye, dir); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + return glms_look_anyup_rh_zo(eye, dir); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + return glms_look_anyup_rh_no(eye, dir); +#endif +} + +/*! + * @brief decomposes frustum values of perspective projection. + * + * @param[in] proj perspective projection matrix + * @param[out] nearZ near + * @param[out] farZ far + * @param[out] top top + * @param[out] bottom bottom + * @param[out] left left + * @param[out] right right + */ +CGLM_INLINE +void +glms_persp_decomp(mat4s proj, + float * __restrict nearZ, float * __restrict farZ, + float * __restrict top, float * __restrict bottom, + float * __restrict left, float * __restrict right) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + glms_persp_decomp_lh_zo(proj, nearZ, farZ, top, bottom, left, right); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + glms_persp_decomp_lh_no(proj, nearZ, farZ, top, bottom, left, right); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + glms_persp_decomp_rh_zo(proj, nearZ, farZ, top, bottom, left, right); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + glms_persp_decomp_rh_no(proj, nearZ, farZ, top, bottom, left, right); +#endif +} + +/*! + * @brief decomposes frustum values of perspective projection. + * this makes easy to get all values at once + * + * @param[in] proj perspective projection matrix + * @param[out] dest array + */ +CGLM_INLINE +void +glms_persp_decompv(mat4s proj, float dest[6]) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + glms_persp_decompv_lh_zo(proj, dest); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + glms_persp_decompv_lh_no(proj, dest); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + glms_persp_decompv_rh_zo(proj, dest); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + glms_persp_decompv_rh_no(proj, dest); +#endif +} + +/*! + * @brief decomposes left and right values of perspective projection. + * x stands for x axis (left / right axis) + * + * @param[in] proj perspective projection matrix + * @param[out] left left + * @param[out] right right + */ +CGLM_INLINE +void +glms_persp_decomp_x(mat4s proj, + float * __restrict left, + float * __restrict right) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + glms_persp_decomp_x_lh_zo(proj, left, right); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + glms_persp_decomp_x_lh_no(proj, left, right); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + glms_persp_decomp_x_rh_zo(proj, left, right); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + glms_persp_decomp_x_rh_no(proj, left, right); +#endif +} + +/*! + * @brief decomposes top and bottom values of perspective projection. + * y stands for y axis (top / bottom axis) + * + * @param[in] proj perspective projection matrix + * @param[out] top top + * @param[out] bottom bottom + */ +CGLM_INLINE +void +glms_persp_decomp_y(mat4s proj, + float * __restrict top, + float * __restrict bottom) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + glms_persp_decomp_y_lh_zo(proj, top, bottom); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + glms_persp_decomp_y_lh_no(proj, top, bottom); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + glms_persp_decomp_y_rh_zo(proj, top, bottom); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + glms_persp_decomp_y_rh_no(proj, top, bottom); +#endif +} + +/*! + * @brief decomposes near and far values of perspective projection. + * z stands for z axis (near / far axis) + * + * @param[in] proj perspective projection matrix + * @param[out] nearZ near + * @param[out] farZ far + */ +CGLM_INLINE +void +glms_persp_decomp_z(mat4s proj, + float * __restrict nearZ, + float * __restrict farZ) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + glms_persp_decomp_z_lh_zo(proj, nearZ, farZ); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + glms_persp_decomp_z_lh_no(proj, nearZ, farZ); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + glms_persp_decomp_z_rh_zo(proj, nearZ, farZ); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + glms_persp_decomp_z_rh_no(proj, nearZ, farZ); +#endif +} + +/*! + * @brief decomposes far value of perspective projection. + * + * @param[in] proj perspective projection matrix + * @param[out] farZ far + */ +CGLM_INLINE +void +glms_persp_decomp_far(mat4s proj, float * __restrict farZ) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + glms_persp_decomp_far_lh_zo(proj, farZ); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + glms_persp_decomp_far_lh_no(proj, farZ); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + glms_persp_decomp_far_rh_zo(proj, farZ); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + glms_persp_decomp_far_rh_no(proj, farZ); +#endif +} + +/*! + * @brief decomposes near value of perspective projection. + * + * @param[in] proj perspective projection matrix + * @param[out] nearZ near + */ +CGLM_INLINE +void +glms_persp_decomp_near(mat4s proj, float * __restrict nearZ) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + glms_persp_decomp_near_lh_zo(proj, nearZ); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + glms_persp_decomp_near_lh_no(proj, nearZ); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + glms_persp_decomp_near_rh_zo(proj, nearZ); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + glms_persp_decomp_near_rh_no(proj, nearZ); +#endif +} + +/*! + * @brief returns field of view angle along the Y-axis (in radians) + * + * if you need to degrees, use glm_deg to convert it or use this: + * fovy_deg = glm_deg(glm_persp_fovy(projMatrix)) + * + * @param[in] proj perspective projection matrix + */ +CGLM_INLINE +float +glms_persp_fovy(mat4s proj) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + return glms_persp_fovy_lh_zo(proj); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + return glms_persp_fovy_lh_no(proj); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + return glms_persp_fovy_rh_zo(proj); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + return glms_persp_fovy_rh_no(proj); +#endif +} + +/*! + * @brief returns aspect ratio of perspective projection + * + * @param[in] proj perspective projection matrix + */ +CGLM_INLINE +float +glms_persp_aspect(mat4s proj) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + return glms_persp_aspect_lh_zo(proj); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + return glms_persp_aspect_lh_no(proj); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + return glms_persp_aspect_rh_zo(proj); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + return glms_persp_aspect_rh_no(proj); +#endif +} + +/*! + * @brief returns sizes of near and far planes of perspective projection + * + * @param[in] proj perspective projection matrix + * @param[in] fovy fovy (see brief) + * @returns sizes as vector, sizes order: [Wnear, Hnear, Wfar, Hfar] + */ +CGLM_INLINE +vec4s +glms_persp_sizes(mat4s proj, float fovy) { +#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO + return glms_persp_sizes_lh_zo(proj, fovy); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO + return glms_persp_sizes_lh_no(proj, fovy); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO + return glms_persp_sizes_rh_zo(proj, fovy); +#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO + return glms_persp_sizes_rh_no(proj, fovy); +#endif +} + +#endif /* cglms_cam_h */ diff --git a/include/cglm/struct/clipspace/ortho_lh_no.h b/include/cglm/struct/clipspace/ortho_lh_no.h new file mode 100644 index 0000000..a743fdf --- /dev/null +++ b/include/cglm/struct/clipspace/ortho_lh_no.h @@ -0,0 +1,154 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE mat4s glms_ortho_lh_no(float left, float right, + float bottom, float top, + float nearZ, float farZ) + CGLM_INLINE mat4s glms_ortho_aabb_lh_no(vec3s box[2]); + CGLM_INLINE mat4s glms_ortho_aabb_p_lh_no(vec3s box[2], float padding); + CGLM_INLINE mat4s glms_ortho_aabb_pz_lh_no(vec3s box[2], float padding); + CGLM_INLINE mat4s glms_ortho_default_lh_no(float aspect) + CGLM_INLINE mat4s glms_ortho_default_s_lh_no(float aspect, float size) + */ + +#ifndef cglms_ortho_lh_no_h +#define cglms_ortho_lh_no_h + +#include "../../common.h" +#include "../../types-struct.h" +#include "../../plane.h" +#include "../../cam.h" +#include "../vec3.h" +#include "../../clipspace/ortho_lh_no.h" + +/*! + * @brief set up orthographic projection matrix + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] left viewport.left + * @param[in] right viewport.right + * @param[in] bottom viewport.bottom + * @param[in] top viewport.top + * @param[in] nearZ near clipping plane + * @param[in] farZ far clipping plane + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_lh_no(float left, float right, + float bottom, float top, + float nearZ, float farZ) { + mat4s dest; + glm_ortho_lh_no(left, right, bottom, top, nearZ, farZ, dest.raw); + return dest; +} + +/*! + * @brief set up orthographic projection matrix using bounding box + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * bounding box (AABB) must be in view space + * + * @param[in] box AABB + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_aabb_lh_no(vec3s box[2]) { + mat4s dest; + vec3 rawBox[2]; + + glms_vec3_(unpack)(rawBox, box, 2); + glm_ortho_aabb_lh_no(rawBox, dest.raw); + + return dest; +} + +/*! + * @brief set up orthographic projection matrix using bounding box + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * bounding box (AABB) must be in view space + * + * @param[in] box AABB + * @param[in] padding padding + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_aabb_p_lh_no(vec3s box[2], float padding) { + mat4s dest; + vec3 rawBox[2]; + + glms_vec3_(unpack)(rawBox, box, 2); + glm_ortho_aabb_p_lh_no(rawBox, padding, dest.raw); + + return dest; +} + +/*! + * @brief set up orthographic projection matrix using bounding box + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * bounding box (AABB) must be in view space + * + * @param[in] box AABB + * @param[in] padding padding for near and far + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_aabb_pz_lh_no(vec3s box[2], float padding) { + mat4s dest; + vec3 rawBox[2]; + + glms_vec3_(unpack)(rawBox, box, 2); + glm_ortho_aabb_pz_lh_no(rawBox, padding, dest.raw); + + return dest; +} + +/*! + * @brief set up unit orthographic projection matrix + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] aspect aspect ration ( width / height ) + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_default_lh_no(float aspect) { + mat4s dest; + glm_ortho_default_lh_no(aspect, dest.raw); + return dest; +} + +/*! + * @brief set up orthographic projection matrix with given CUBE size + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] aspect aspect ratio ( width / height ) + * @param[in] size cube size + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_default_s_lh_no(float aspect, float size) { + mat4s dest; + glm_ortho_default_s_lh_no(aspect, size, dest.raw); + return dest; +} + +#endif /* cglms_ortho_lh_no_h */ diff --git a/include/cglm/struct/clipspace/ortho_lh_zo.h b/include/cglm/struct/clipspace/ortho_lh_zo.h new file mode 100644 index 0000000..4f15656 --- /dev/null +++ b/include/cglm/struct/clipspace/ortho_lh_zo.h @@ -0,0 +1,154 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE mat4s glms_ortho_lh_zo(float left, float right, + float bottom, float top, + float nearZ, float farZ) + CGLM_INLINE mat4s glms_ortho_aabb_lh_zo(vec3s box[2]); + CGLM_INLINE mat4s glms_ortho_aabb_p_lh_zo(vec3s box[2], float padding); + CGLM_INLINE mat4s glms_ortho_aabb_pz_lh_zo(vec3s box[2], float padding); + CGLM_INLINE mat4s glms_ortho_default_lh_zo(float aspect) + CGLM_INLINE mat4s glms_ortho_default_s_lh_zo(float aspect, float size) + */ + +#ifndef cglms_ortho_lh_zo_h +#define cglms_ortho_lh_zo_h + +#include "../../common.h" +#include "../../types-struct.h" +#include "../../plane.h" +#include "../../cam.h" +#include "../vec3.h" +#include "../../clipspace/ortho_lh_zo.h" + +/*! + * @brief set up orthographic projection matrix + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] left viewport.left + * @param[in] right viewport.right + * @param[in] bottom viewport.bottom + * @param[in] top viewport.top + * @param[in] nearZ near clipping plane + * @param[in] farZ far clipping plane + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_lh_zo(float left, float right, + float bottom, float top, + float nearZ, float farZ) { + mat4s dest; + glm_ortho_lh_zo(left, right, bottom, top, nearZ, farZ, dest.raw); + return dest; +} + +/*! + * @brief set up orthographic projection matrix using bounding box + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * bounding box (AABB) must be in view space + * + * @param[in] box AABB + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_aabb_lh_zo(vec3s box[2]) { + mat4s dest; + vec3 rawBox[2]; + + glms_vec3_(unpack)(rawBox, box, 2); + glm_ortho_aabb_lh_zo(rawBox, dest.raw); + + return dest; +} + +/*! + * @brief set up orthographic projection matrix using bounding box + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * bounding box (AABB) must be in view space + * + * @param[in] box AABB + * @param[in] padding padding + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_aabb_p_lh_zo(vec3s box[2], float padding) { + mat4s dest; + vec3 rawBox[2]; + + glms_vec3_(unpack)(rawBox, box, 2); + glm_ortho_aabb_p_lh_zo(rawBox, padding, dest.raw); + + return dest; +} + +/*! + * @brief set up orthographic projection matrix using bounding box + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * bounding box (AABB) must be in view space + * + * @param[in] box AABB + * @param[in] padding padding for near and far + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_aabb_pz_lh_zo(vec3s box[2], float padding) { + mat4s dest; + vec3 rawBox[2]; + + glms_vec3_(unpack)(rawBox, box, 2); + glm_ortho_aabb_pz_lh_zo(rawBox, padding, dest.raw); + + return dest; +} + +/*! + * @brief set up unit orthographic projection matrix + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] aspect aspect ration ( width / height ) + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_default_lh_zo(float aspect) { + mat4s dest; + glm_ortho_default_lh_zo(aspect, dest.raw); + return dest; +} + +/*! + * @brief set up orthographic projection matrix with given CUBE size + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] aspect aspect ratio ( width / height ) + * @param[in] size cube size + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_default_s_lh_zo(float aspect, float size) { + mat4s dest; + glm_ortho_default_s_lh_zo(aspect, size, dest.raw); + return dest; +} + +#endif /* cglms_ortho_lh_zo_h */ diff --git a/include/cglm/struct/clipspace/ortho_rh_no.h b/include/cglm/struct/clipspace/ortho_rh_no.h new file mode 100644 index 0000000..ecb4d32 --- /dev/null +++ b/include/cglm/struct/clipspace/ortho_rh_no.h @@ -0,0 +1,154 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE mat4s glms_ortho_rh_no(float left, float right, + float bottom, float top, + float nearZ, float farZ) + CGLM_INLINE mat4s glms_ortho_aabb_rh_no(vec3s box[2]); + CGLM_INLINE mat4s glms_ortho_aabb_p_rh_no(vec3s box[2], float padding); + CGLM_INLINE mat4s glms_ortho_aabb_pz_rh_no(vec3s box[2], float padding); + CGLM_INLINE mat4s glms_ortho_default_rh_no(float aspect) + CGLM_INLINE mat4s glms_ortho_default_s_rh_no(float aspect, float size) + */ + +#ifndef cglms_ortho_rh_no_h +#define cglms_ortho_rh_no_h + +#include "../../common.h" +#include "../../types-struct.h" +#include "../../plane.h" +#include "../../cam.h" +#include "../vec3.h" +#include "../../clipspace/ortho_rh_no.h" + +/*! + * @brief set up orthographic projection matrix + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] left viewport.left + * @param[in] right viewport.right + * @param[in] bottom viewport.bottom + * @param[in] top viewport.top + * @param[in] nearZ near clipping plane + * @param[in] farZ far clipping plane + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_rh_no(float left, float right, + float bottom, float top, + float nearZ, float farZ) { + mat4s dest; + glm_ortho_rh_no(left, right, bottom, top, nearZ, farZ, dest.raw); + return dest; +} + +/*! + * @brief set up orthographic projection matrix using bounding box + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * bounding box (AABB) must be in view space + * + * @param[in] box AABB + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_aabb_rh_no(vec3s box[2]) { + mat4s dest; + vec3 rawBox[2]; + + glms_vec3_(unpack)(rawBox, box, 2); + glm_ortho_aabb_rh_no(rawBox, dest.raw); + + return dest; +} + +/*! + * @brief set up orthographic projection matrix using bounding box + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * bounding box (AABB) must be in view space + * + * @param[in] box AABB + * @param[in] padding padding + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_aabb_p_rh_no(vec3s box[2], float padding) { + mat4s dest; + vec3 rawBox[2]; + + glms_vec3_(unpack)(rawBox, box, 2); + glm_ortho_aabb_p_rh_no(rawBox, padding, dest.raw); + + return dest; +} + +/*! + * @brief set up orthographic projection matrix using bounding box + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * bounding box (AABB) must be in view space + * + * @param[in] box AABB + * @param[in] padding padding for near and far + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_aabb_pz_rh_no(vec3s box[2], float padding) { + mat4s dest; + vec3 rawBox[2]; + + glms_vec3_(unpack)(rawBox, box, 2); + glm_ortho_aabb_pz_rh_no(rawBox, padding, dest.raw); + + return dest; +} + +/*! + * @brief set up unit orthographic projection matrix + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] aspect aspect ration ( width / height ) + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_default_rh_no(float aspect) { + mat4s dest; + glm_ortho_default_rh_no(aspect, dest.raw); + return dest; +} + +/*! + * @brief set up orthographic projection matrix with given CUBE size + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] aspect aspect ratio ( width / height ) + * @param[in] size cube size + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_default_s_rh_no(float aspect, float size) { + mat4s dest; + glm_ortho_default_s_rh_no(aspect, size, dest.raw); + return dest; +} + +#endif /* cglms_ortho_rh_no_h */ diff --git a/include/cglm/struct/clipspace/ortho_rh_zo.h b/include/cglm/struct/clipspace/ortho_rh_zo.h new file mode 100644 index 0000000..2d50ee1 --- /dev/null +++ b/include/cglm/struct/clipspace/ortho_rh_zo.h @@ -0,0 +1,154 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE mat4s glms_ortho_rh_zo(float left, float right, + float bottom, float top, + float nearZ, float farZ) + CGLM_INLINE mat4s glms_ortho_aabb_rh_zo(vec3s box[2]); + CGLM_INLINE mat4s glms_ortho_aabb_p_rh_zo(vec3s box[2], float padding); + CGLM_INLINE mat4s glms_ortho_aabb_pz_rh_zo(vec3s box[2], float padding); + CGLM_INLINE mat4s glms_ortho_default_rh_zo(float aspect) + CGLM_INLINE mat4s glms_ortho_default_s_rh_zo(float aspect, float size) + */ + +#ifndef cglms_ortho_rh_zo_h +#define cglms_ortho_rh_zo_h + +#include "../../common.h" +#include "../../types-struct.h" +#include "../../plane.h" +#include "../../cam.h" +#include "../vec3.h" +#include "../../clipspace/ortho_rh_zo.h" + +/*! + * @brief set up orthographic projection matrix + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] left viewport.left + * @param[in] right viewport.right + * @param[in] bottom viewport.bottom + * @param[in] top viewport.top + * @param[in] nearZ near clipping plane + * @param[in] farZ far clipping plane + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_rh_zo(float left, float right, + float bottom, float top, + float nearZ, float farZ) { + mat4s dest; + glm_ortho_rh_zo(left, right, bottom, top, nearZ, farZ, dest.raw); + return dest; +} + +/*! + * @brief set up orthographic projection matrix using bounding box + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * bounding box (AABB) must be in view space + * + * @param[in] box AABB + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_aabb_rh_zo(vec3s box[2]) { + mat4s dest; + vec3 rawBox[2]; + + glms_vec3_(unpack)(rawBox, box, 2); + glm_ortho_aabb_rh_zo(rawBox, dest.raw); + + return dest; +} + +/*! + * @brief set up orthographic projection matrix using bounding box + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * bounding box (AABB) must be in view space + * + * @param[in] box AABB + * @param[in] padding padding + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_aabb_p_rh_zo(vec3s box[2], float padding) { + mat4s dest; + vec3 rawBox[2]; + + glms_vec3_(unpack)(rawBox, box, 2); + glm_ortho_aabb_p_rh_zo(rawBox, padding, dest.raw); + + return dest; +} + +/*! + * @brief set up orthographic projection matrix using bounding box + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * bounding box (AABB) must be in view space + * + * @param[in] box AABB + * @param[in] padding padding for near and far + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_aabb_pz_rh_zo(vec3s box[2], float padding) { + mat4s dest; + vec3 rawBox[2]; + + glms_vec3_(unpack)(rawBox, box, 2); + glm_ortho_aabb_pz_rh_zo(rawBox, padding, dest.raw); + + return dest; +} + +/*! + * @brief set up unit orthographic projection matrix + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] aspect aspect ration ( width / height ) + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_default_rh_zo(float aspect) { + mat4s dest; + glm_ortho_default_rh_zo(aspect, dest.raw); + return dest; +} + +/*! + * @brief set up orthographic projection matrix with given CUBE size + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] aspect aspect ratio ( width / height ) + * @param[in] size cube size + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_ortho_default_s_rh_zo(float aspect, float size) { + mat4s dest; + glm_ortho_default_s_rh_zo(aspect, size, dest.raw); + return dest; +} + +#endif /* cglms_ortho_rh_zo_h */ diff --git a/include/cglm/struct/clipspace/persp_lh_no.h b/include/cglm/struct/clipspace/persp_lh_no.h new file mode 100644 index 0000000..bc35ca0 --- /dev/null +++ b/include/cglm/struct/clipspace/persp_lh_no.h @@ -0,0 +1,312 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE mat4s glms_frustum_lh_no(float left, float right, + float bottom, float top, + float nearZ, float farZ) + CGLM_INLINE mat4s glms_perspective_lh_no(float fovy, + float aspect, + float nearZ, + float farZ) + CGLM_INLINE void glms_persp_move_far_lh_no(mat4s proj, float deltaFar) + CGLM_INLINE mat4s glms_perspective_default_lh_no(float aspect) + CGLM_INLINE void glms_perspective_resize_lh_no(mat4s proj, float aspect) + CGLM_INLINE void glms_persp_decomp_lh_no(mat4s proj, + float *nearv, float *farv, + float *top, float *bottom, + float *left, float *right) + CGLM_INLINE void glms_persp_decompv_lh_no(mat4s proj, float dest[6]) + CGLM_INLINE void glms_persp_decomp_x_lh_no(mat4s proj, float *left, float *right) + CGLM_INLINE void glms_persp_decomp_y_lh_no(mat4s proj, float *top, float *bottom) + CGLM_INLINE void glms_persp_decomp_z_lh_no(mat4s proj, float *nearv, float *farv) + CGLM_INLINE void glms_persp_decomp_far_lh_no(mat4s proj, float *farZ) + CGLM_INLINE void glms_persp_decomp_near_lh_no(mat4s proj, float *nearZ) + CGLM_INLINE float glms_persp_fovy_lh_no(mat4s proj) + CGLM_INLINE float glms_persp_aspect_lh_no(mat4s proj) + CGLM_INLINE vec4s glms_persp_sizes_lh_no(mat4s proj, float fovy) + */ + +#ifndef cglms_persp_lh_no_h +#define cglms_persp_lh_no_h + +#include "../../common.h" +#include "../../types-struct.h" +#include "../../plane.h" +#include "../../cam.h" +#include "../../clipspace/persp_lh_no.h" + +/*! + * @brief set up perspective peprojection matrix + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] left viewport.left + * @param[in] right viewport.right + * @param[in] bottom viewport.bottom + * @param[in] top viewport.top + * @param[in] nearZ near clipping plane + * @param[in] farZ far clipping plane + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_frustum_lh_no(float left, float right, + float bottom, float top, + float nearZ, float farZ) { + mat4s dest; + glm_frustum_lh_no(left, right, bottom, top, nearZ, farZ, dest.raw); + return dest; +} + +/*! + * @brief set up perspective projection matrix + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] fovy field of view angle + * @param[in] aspect aspect ratio ( width / height ) + * @param[in] nearZ near clipping plane + * @param[in] farZ far clipping planes + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_perspective_lh_no(float fovy, float aspect, float nearZ, float farZ) { + mat4s dest; + glm_perspective_lh_no(fovy, aspect, nearZ, farZ, dest.raw); + return dest; +} + +/*! + * @brief extend perspective projection matrix's far distance + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * NOTE: if you dodn't want to create new matrix then use array api on struct.raw + * like glms_persp_move_far_lh_no(prooj.raw, deltaFar) to avoid create new mat4 + * each time + * + * this function does not guarantee far >= near, be aware of that! + * + * @param[in, out] proj projection matrix to extend + * @param[in] deltaFar distance from existing far (negative to shink) + */ +CGLM_INLINE +mat4s +glms_persp_move_far_lh_no(mat4s proj, float deltaFar) { + mat4s dest; + dest = proj; + glm_persp_move_far_lh_no(dest.raw, deltaFar); + return dest; +} + +/*! + * @brief set up perspective projection matrix with default near/far + * and angle values with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] aspect aspect ratio ( width / height ) + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_perspective_default_lh_no(float aspect) { + mat4s dest; + glm_perspective_default_lh_no(aspect, dest.raw); + return dest; +} + +/*! + * @brief resize perspective matrix by aspect ratio ( width / height ) + * this makes very easy to resize proj matrix when window /viewport + * reized with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * NOTE: if you dodn't want to create new matrix then use array api on struct.raw + * like glm_perspective_resize_lh_no(proj.raw, aspect) to avoid create new mat4 + * each time + * + * @param[in, out] proj perspective projection matrix + * @param[in] aspect aspect ratio ( width / height ) + */ +CGLM_INLINE +mat4s +glms_perspective_resize_lh_no(mat4s proj, float aspect) { + mat4s dest; + dest = proj; + glm_perspective_resize_lh_no(aspect, dest.raw); + return dest; +} + +/*! + * @brief decomposes frustum values of perspective projection. + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] proj perspective projection matrix + * @param[out] nearZ near + * @param[out] farZ far + * @param[out] top top + * @param[out] bottom bottom + * @param[out] left left + * @param[out] right right + */ +CGLM_INLINE +void +glms_persp_decomp_lh_no(mat4s proj, + float * __restrict nearZ, float * __restrict farZ, + float * __restrict top, float * __restrict bottom, + float * __restrict left, float * __restrict right) { + glm_persp_decomp_lh_no(proj.raw, nearZ, farZ, top, bottom, left, right); +} + +/*! + * @brief decomposes frustum values of perspective projection. + * this makes easy to get all values at once + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] proj perspective projection matrix + * @param[out] dest array + */ +CGLM_INLINE +void +glms_persp_decompv_lh_no(mat4s proj, float dest[6]) { + glm_persp_decompv_lh_no(proj.raw, dest); +} + +/*! + * @brief decomposes left and right values of perspective projection + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * x stands for x axis (left / right axis) + * + * @param[in] proj perspective projection matrix + * @param[out] left left + * @param[out] right right + */ +CGLM_INLINE +void +glms_persp_decomp_x_lh_no(mat4s proj, + float * __restrict left, + float * __restrict right) { + glm_persp_decomp_x_lh_no(proj.raw, left, right); +} + +/*! + * @brief decomposes top and bottom values of perspective projection + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * y stands for y axis (top / bottom axis) + * + * @param[in] proj perspective projection matrix + * @param[out] top top + * @param[out] bottom bottom + */ +CGLM_INLINE +void +glms_persp_decomp_y_lh_no(mat4s proj, + float * __restrict top, + float * __restrict bottom) { + glm_persp_decomp_y_lh_no(proj.raw, top, bottom); +} + +/*! + * @brief decomposes near and far values of perspective projection + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * z stands for z axis (near / far axis) + * + * @param[in] proj perspective projection matrix + * @param[out] nearZ near + * @param[out] farZ far + */ +CGLM_INLINE +void +glms_persp_decomp_z_lh_no(mat4s proj, + float * __restrict nearZ, + float * __restrict farZ) { + glm_persp_decomp_z_lh_no(proj.raw, nearZ, farZ); +} + +/*! + * @brief decomposes far value of perspective projection + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] proj perspective projection matrix + * @param[out] farZ far + */ +CGLM_INLINE +void +glms_persp_decomp_far_lh_no(mat4s proj, float * __restrict farZ) { + glm_persp_decomp_far_lh_no(proj.raw, farZ); +} + +/*! + * @brief decomposes near value of perspective projection + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] proj perspective projection matrix + * @param[out] nearZ near + */ +CGLM_INLINE +void +glms_persp_decomp_near_lh_no(mat4s proj, float * __restrict nearZ) { + glm_persp_decomp_near_lh_no(proj.raw, nearZ); +} + +/*! + * @brief returns field of view angle along the Y-axis (in radians) + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * if you need to degrees, use glm_deg to convert it or use this: + * fovy_deg = glm_deg(glm_persp_fovy(projMatrix)) + * + * @param[in] proj perspective projection matrix + */ +CGLM_INLINE +float +glms_persp_fovy_lh_no(mat4s proj) { + return glm_persp_fovy_lh_no(proj.raw); +} + +/*! + * @brief returns aspect ratio of perspective projection + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] proj perspective projection matrix + */ +CGLM_INLINE +float +glms_persp_aspect_lh_no(mat4s proj) { + return glm_persp_aspect_lh_no(proj.raw); +} + +/*! + * @brief returns sizes of near and far planes of perspective projection + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] proj perspective projection matrix + * @param[in] fovy fovy (see brief) + * @returns sizes as vector, sizes order: [Wnear, Hnear, Wfar, Hfar] + */ +CGLM_INLINE +vec4s +glms_persp_sizes_lh_no(mat4s proj, float fovy) { + vec4s dest; + glm_persp_sizes_lh_no(proj.raw, fovy, dest.raw); + return dest; +} + +#endif /* cglms_persp_lh_no_h */ diff --git a/include/cglm/struct/clipspace/persp_lh_zo.h b/include/cglm/struct/clipspace/persp_lh_zo.h new file mode 100644 index 0000000..29af065 --- /dev/null +++ b/include/cglm/struct/clipspace/persp_lh_zo.h @@ -0,0 +1,312 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE mat4s glms_frustum_lh_zo(float left, float right, + float bottom, float top, + float nearZ, float farZ) + CGLM_INLINE mat4s glms_perspective_lh_zo(float fovy, + float aspect, + float nearZ, + float farZ) + CGLM_INLINE void glms_persp_move_far_lh_zo(mat4s proj, float deltaFar) + CGLM_INLINE mat4s glms_perspective_default_lh_zo(float aspect) + CGLM_INLINE void glms_perspective_resize_lh_zo(mat4s proj, float aspect) + CGLM_INLINE void glms_persp_decomp_lh_zo(mat4s proj, + float *nearv, float *farv, + float *top, float *bottom, + float *left, float *right) + CGLM_INLINE void glms_persp_decompv_lh_zo(mat4s proj, float dest[6]) + CGLM_INLINE void glms_persp_decomp_x_lh_zo(mat4s proj, float *left, float *right) + CGLM_INLINE void glms_persp_decomp_y_lh_zo(mat4s proj, float *top, float *bottom) + CGLM_INLINE void glms_persp_decomp_z_lh_zo(mat4s proj, float *nearv, float *farv) + CGLM_INLINE void glms_persp_decomp_far_lh_zo(mat4s proj, float *farZ) + CGLM_INLINE void glms_persp_decomp_near_lh_zo(mat4s proj, float *nearZ) + CGLM_INLINE float glms_persp_fovy_lh_zo(mat4s proj) + CGLM_INLINE float glms_persp_aspect_lh_zo(mat4s proj) + CGLM_INLINE vec4s glms_persp_sizes_lh_zo(mat4s proj, float fovy) + */ + +#ifndef cglms_persp_lh_zo_h +#define cglms_persp_lh_zo_h + +#include "../../common.h" +#include "../../types-struct.h" +#include "../../plane.h" +#include "../../cam.h" +#include "../../clipspace/persp_lh_zo.h" + +/*! + * @brief set up perspective peprojection matrix + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] left viewport.left + * @param[in] right viewport.right + * @param[in] bottom viewport.bottom + * @param[in] top viewport.top + * @param[in] nearZ near clipping plane + * @param[in] farZ far clipping plane + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_frustum_lh_zo(float left, float right, + float bottom, float top, + float nearZ, float farZ) { + mat4s dest; + glm_frustum_lh_zo(left, right, bottom, top, nearZ, farZ, dest.raw); + return dest; +} + +/*! + * @brief set up perspective projection matrix + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] fovy field of view angle + * @param[in] aspect aspect ratio ( width / height ) + * @param[in] nearZ near clipping plane + * @param[in] farZ far clipping planes + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_perspective_lh_zo(float fovy, float aspect, float nearZ, float farZ) { + mat4s dest; + glm_perspective_lh_zo(fovy, aspect, nearZ, farZ, dest.raw); + return dest; +} + +/*! + * @brief extend perspective projection matrix's far distance + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * NOTE: if you dodn't want to create new matrix then use array api on struct.raw + * like glms_persp_move_far_lh_zo(prooj.raw, deltaFar) to avoid create new mat4 + * each time + * + * this function does not guarantee far >= near, be aware of that! + * + * @param[in, out] proj projection matrix to extend + * @param[in] deltaFar distance from existing far (negative to shink) + */ +CGLM_INLINE +mat4s +glms_persp_move_far_lh_zo(mat4s proj, float deltaFar) { + mat4s dest; + dest = proj; + glm_persp_move_far_lh_zo(dest.raw, deltaFar); + return dest; +} + +/*! + * @brief set up perspective projection matrix with default near/far + * and angle values with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] aspect aspect ratio ( width / height ) + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_perspective_default_lh_zo(float aspect) { + mat4s dest; + glm_perspective_default_lh_zo(aspect, dest.raw); + return dest; +} + +/*! + * @brief resize perspective matrix by aspect ratio ( width / height ) + * this makes very easy to resize proj matrix when window /viewport + * reized with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * NOTE: if you dodn't want to create new matrix then use array api on struct.raw + * like glms_perspective_resize_lh_zo(proj.raw, aspect) to avoid create new mat4 + * each time + * + * @param[in, out] proj perspective projection matrix + * @param[in] aspect aspect ratio ( width / height ) + */ +CGLM_INLINE +mat4s +glms_perspective_resize_lh_zo(mat4s proj, float aspect) { + mat4s dest; + dest = proj; + glm_perspective_resize_lh_zo(aspect, dest.raw); + return dest; +} + +/*! + * @brief decomposes frustum values of perspective projection. + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] proj perspective projection matrix + * @param[out] nearZ near + * @param[out] farZ far + * @param[out] top top + * @param[out] bottom bottom + * @param[out] left left + * @param[out] right right + */ +CGLM_INLINE +void +glms_persp_decomp_lh_zo(mat4s proj, + float * __restrict nearZ, float * __restrict farZ, + float * __restrict top, float * __restrict bottom, + float * __restrict left, float * __restrict right) { + glm_persp_decomp_lh_zo(proj.raw, nearZ, farZ, top, bottom, left, right); +} + +/*! + * @brief decomposes frustum values of perspective projection. + * this makes easy to get all values at once + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] proj perspective projection matrix + * @param[out] dest array + */ +CGLM_INLINE +void +glms_persp_decompv_lh_zo(mat4s proj, float dest[6]) { + glm_persp_decompv_lh_zo(proj.raw, dest); +} + +/*! + * @brief decomposes left and right values of perspective projection + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * x stands for x axis (left / right axis) + * + * @param[in] proj perspective projection matrix + * @param[out] left left + * @param[out] right right + */ +CGLM_INLINE +void +glms_persp_decomp_x_lh_zo(mat4s proj, + float * __restrict left, + float * __restrict right) { + glm_persp_decomp_x_lh_zo(proj.raw, left, right); +} + +/*! + * @brief decomposes top and bottom values of perspective projection + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * y stands for y axis (top / bottom axis) + * + * @param[in] proj perspective projection matrix + * @param[out] top top + * @param[out] bottom bottom + */ +CGLM_INLINE +void +glms_persp_decomp_y_lh_zo(mat4s proj, + float * __restrict top, + float * __restrict bottom) { + glm_persp_decomp_y_lh_zo(proj.raw, top, bottom); +} + +/*! + * @brief decomposes near and far values of perspective projection + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * z stands for z axis (near / far axis) + * + * @param[in] proj perspective projection matrix + * @param[out] nearZ near + * @param[out] farZ far + */ +CGLM_INLINE +void +glms_persp_decomp_z_lh_zo(mat4s proj, + float * __restrict nearZ, + float * __restrict farZ) { + glm_persp_decomp_z_lh_zo(proj.raw, nearZ, farZ); +} + +/*! + * @brief decomposes far value of perspective projection + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] proj perspective projection matrix + * @param[out] farZ far + */ +CGLM_INLINE +void +glms_persp_decomp_far_lh_zo(mat4s proj, float * __restrict farZ) { + glm_persp_decomp_far_lh_zo(proj.raw, farZ); +} + +/*! + * @brief decomposes near value of perspective projection + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] proj perspective projection matrix + * @param[out] nearZ near + */ +CGLM_INLINE +void +glms_persp_decomp_near_lh_zo(mat4s proj, float * __restrict nearZ) { + glm_persp_decomp_near_lh_zo(proj.raw, nearZ); +} + +/*! + * @brief returns field of view angle along the Y-axis (in radians) + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * if you need to degrees, use glm_deg to convert it or use this: + * fovy_deg = glm_deg(glm_persp_fovy(projMatrix)) + * + * @param[in] proj perspective projection matrix + */ +CGLM_INLINE +float +glms_persp_fovy_lh_zo(mat4s proj) { + return glm_persp_fovy_lh_zo(proj.raw); +} + +/*! + * @brief returns aspect ratio of perspective projection + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] proj perspective projection matrix + */ +CGLM_INLINE +float +glms_persp_aspect_lh_zo(mat4s proj) { + return glm_persp_aspect_lh_zo(proj.raw); +} + +/*! + * @brief returns sizes of near and far planes of perspective projection + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] proj perspective projection matrix + * @param[in] fovy fovy (see brief) + * @returns sizes as vector, sizes order: [Wnear, Hnear, Wfar, Hfar] + */ +CGLM_INLINE +vec4s +glms_persp_sizes_lh_zo(mat4s proj, float fovy) { + vec4s dest; + glm_persp_sizes_lh_zo(proj.raw, fovy, dest.raw); + return dest; +} + +#endif /* cglms_persp_lh_zo_h */ diff --git a/include/cglm/struct/clipspace/persp_rh_no.h b/include/cglm/struct/clipspace/persp_rh_no.h new file mode 100644 index 0000000..7120fdf --- /dev/null +++ b/include/cglm/struct/clipspace/persp_rh_no.h @@ -0,0 +1,312 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE mat4s glms_frustum_rh_no(float left, float right, + float bottom, float top, + float nearZ, float farZ) + CGLM_INLINE mat4s glms_perspective_rh_no(float fovy, + float aspect, + float nearZ, + float farZ) + CGLM_INLINE void glms_persp_move_far_rh_no(mat4s proj, float deltaFar) + CGLM_INLINE mat4s glms_perspective_default_rh_no(float aspect) + CGLM_INLINE void glms_perspective_resize_rh_no(mat4s proj, float aspect) + CGLM_INLINE void glms_persp_decomp_rh_no(mat4s proj, + float *nearv, float *farv, + float *top, float *bottom, + float *left, float *right) + CGLM_INLINE void glms_persp_decompv_rh_no(mat4s proj, float dest[6]) + CGLM_INLINE void glms_persp_decomp_x_rh_no(mat4s proj, float *left, float *right) + CGLM_INLINE void glms_persp_decomp_y_rh_no(mat4s proj, float *top, float *bottom) + CGLM_INLINE void glms_persp_decomp_z_rh_no(mat4s proj, float *nearv, float *farv) + CGLM_INLINE void glms_persp_decomp_far_rh_no(mat4s proj, float *farZ) + CGLM_INLINE void glms_persp_decomp_near_rh_no(mat4s proj, float *nearZ) + CGLM_INLINE float glms_persp_fovy_rh_no(mat4s proj) + CGLM_INLINE float glms_persp_aspect_rh_no(mat4s proj) + CGLM_INLINE vec4s glms_persp_sizes_rh_no(mat4s proj, float fovy) + */ + +#ifndef cglms_persp_rh_no_h +#define cglms_persp_rh_no_h + +#include "../../common.h" +#include "../../types-struct.h" +#include "../../plane.h" +#include "../../cam.h" +#include "../../clipspace/persp_rh_no.h" + +/*! + * @brief set up perspective peprojection matrix + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] left viewport.left + * @param[in] right viewport.right + * @param[in] bottom viewport.bottom + * @param[in] top viewport.top + * @param[in] nearZ near clipping plane + * @param[in] farZ far clipping plane + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_frustum_rh_no(float left, float right, + float bottom, float top, + float nearZ, float farZ) { + mat4s dest; + glm_frustum_rh_no(left, right, bottom, top, nearZ, farZ, dest.raw); + return dest; +} + +/*! + * @brief set up perspective projection matrix + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] fovy field of view angle + * @param[in] aspect aspect ratio ( width / height ) + * @param[in] nearZ near clipping plane + * @param[in] farZ far clipping planes + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_perspective_rh_no(float fovy, float aspect, float nearZ, float farZ) { + mat4s dest; + glm_perspective_rh_no(fovy, aspect, nearZ, farZ, dest.raw); + return dest; +} + +/*! + * @brief extend perspective projection matrix's far distance + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * NOTE: if you dodn't want to create new matrix then use array api on struct.raw + * like glms_persp_move_far_rh_no(prooj.raw, deltaFar) to avoid create new mat4 + * each time + * s + * this function does not guarantee far >= near, be aware of that! + * + * @param[in, out] proj projection matrix to extend + * @param[in] deltaFar distance from existing far (negative to shink) + */ +CGLM_INLINE +mat4s +glms_persp_move_far_rh_no(mat4s proj, float deltaFar) { + mat4s dest; + dest = proj; + glm_persp_move_far_rh_no(dest.raw, deltaFar); + return dest; +} + +/*! + * @brief set up perspective projection matrix with default near/far + * and angle values with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] aspect aspect ratio ( width / height ) + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_perspective_default_rh_no(float aspect) { + mat4s dest; + glm_perspective_default_rh_no(aspect, dest.raw); + return dest; +} + +/*! + * @brief resize perspective matrix by aspect ratio ( width / height ) + * this makes very easy to resize proj matrix when window /viewport + * reized with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * NOTE: if you dodn't want to create new matrix then use array api on struct.raw + * like glm_perspective_resize_rh_no(proj.raw, aspect) to avoid create new mat4 + * each time + * + * @param[in, out] proj perspective projection matrix + * @param[in] aspect aspect ratio ( width / height ) + */ +CGLM_INLINE +mat4s +glms_perspective_resize_rh_no(mat4s proj, float aspect) { + mat4s dest; + dest = proj; + glm_perspective_resize_rh_no(aspect, dest.raw); + return dest; +} + +/*! + * @brief decomposes frustum values of perspective projection. + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] proj perspective projection matrix + * @param[out] nearZ near + * @param[out] farZ far + * @param[out] top top + * @param[out] bottom bottom + * @param[out] left left + * @param[out] right right + */ +CGLM_INLINE +void +glms_persp_decomp_rh_no(mat4s proj, + float * __restrict nearZ, float * __restrict farZ, + float * __restrict top, float * __restrict bottom, + float * __restrict left, float * __restrict right) { + glm_persp_decomp_rh_no(proj.raw, nearZ, farZ, top, bottom, left, right); +} + +/*! + * @brief decomposes frustum values of perspective projection. + * this makes easy to get all values at once + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] proj perspective projection matrix + * @param[out] dest array + */ +CGLM_INLINE +void +glms_persp_decompv_rh_no(mat4s proj, float dest[6]) { + glm_persp_decompv_rh_no(proj.raw, dest); +} + +/*! + * @brief decomposes left and right values of perspective projection + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * x stands for x axis (left / right axis) + * + * @param[in] proj perspective projection matrix + * @param[out] left left + * @param[out] right right + */ +CGLM_INLINE +void +glms_persp_decomp_x_rh_no(mat4s proj, + float * __restrict left, + float * __restrict right) { + glm_persp_decomp_x_rh_no(proj.raw, left, right); +} + +/*! + * @brief decomposes top and bottom values of perspective projection + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * y stands for y axis (top / bottom axis) + * + * @param[in] proj perspective projection matrix + * @param[out] top top + * @param[out] bottom bottom + */ +CGLM_INLINE +void +glms_persp_decomp_y_rh_no(mat4s proj, + float * __restrict top, + float * __restrict bottom) { + glm_persp_decomp_y_rh_no(proj.raw, top, bottom); +} + +/*! + * @brief decomposes near and far values of perspective projection + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * z stands for z axis (near / far axis) + * + * @param[in] proj perspective projection matrix + * @param[out] nearZ near + * @param[out] farZ far + */ +CGLM_INLINE +void +glms_persp_decomp_z_rh_no(mat4s proj, + float * __restrict nearZ, + float * __restrict farZ) { + glm_persp_decomp_z_rh_no(proj.raw, nearZ, farZ); +} + +/*! + * @brief decomposes far value of perspective projection + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] proj perspective projection matrix + * @param[out] farZ far + */ +CGLM_INLINE +void +glms_persp_decomp_far_rh_no(mat4s proj, float * __restrict farZ) { + glm_persp_decomp_far_rh_no(proj.raw, farZ); +} + +/*! + * @brief decomposes near value of perspective projection + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] proj perspective projection matrix + * @param[out] nearZ near + */ +CGLM_INLINE +void +glms_persp_decomp_near_rh_no(mat4s proj, float * __restrict nearZ) { + glm_persp_decomp_near_rh_no(proj.raw, nearZ); +} + +/*! + * @brief returns field of view angle along the Y-axis (in radians) + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * if you need to degrees, use glm_deg to convert it or use this: + * fovy_deg = glm_deg(glm_persp_fovy(projMatrix)) + * + * @param[in] proj perspective projection matrix + */ +CGLM_INLINE +float +glms_persp_fovy_rh_no(mat4s proj) { + return glm_persp_fovy_rh_no(proj.raw); +} + +/*! + * @brief returns aspect ratio of perspective projection + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] proj perspective projection matrix + */ +CGLM_INLINE +float +glms_persp_aspect_rh_no(mat4s proj) { + return glm_persp_aspect_rh_no(proj.raw); +} + +/*! + * @brief returns sizes of near and far planes of perspective projection + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * @param[in] proj perspective projection matrix + * @param[in] fovy fovy (see brief) + * @returns sizes as vector, sizes order: [Wnear, Hnear, Wfar, Hfar] + */ +CGLM_INLINE +vec4s +glms_persp_sizes_rh_no(mat4s proj, float fovy) { + vec4s dest; + glm_persp_sizes_rh_no(proj.raw, fovy, dest.raw); + return dest; +} + +#endif /* cglms_persp_rh_no_h */ diff --git a/include/cglm/struct/clipspace/persp_rh_zo.h b/include/cglm/struct/clipspace/persp_rh_zo.h new file mode 100644 index 0000000..e3585a2 --- /dev/null +++ b/include/cglm/struct/clipspace/persp_rh_zo.h @@ -0,0 +1,312 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE mat4s glms_frustum_rh_zo(float left, float right, + float bottom, float top, + float nearZ, float farZ) + CGLM_INLINE mat4s glms_perspective_rh_zo(float fovy, + float aspect, + float nearZ, + float farZ) + CGLM_INLINE void glms_persp_move_far_rh_zo(mat4s proj, float deltaFar) + CGLM_INLINE mat4s glms_perspective_default_rh_zo(float aspect) + CGLM_INLINE void glms_perspective_resize_rh_zo(mat4s proj, float aspect) + CGLM_INLINE void glms_persp_decomp_rh_zo(mat4s proj, + float *nearv, float *farv, + float *top, float *bottom, + float *left, float *right) + CGLM_INLINE void glms_persp_decompv_rh_zo(mat4s proj, float dest[6]) + CGLM_INLINE void glms_persp_decomp_x_rh_zo(mat4s proj, float *left, float *right) + CGLM_INLINE void glms_persp_decomp_y_rh_zo(mat4s proj, float *top, float *bottom) + CGLM_INLINE void glms_persp_decomp_z_rh_zo(mat4s proj, float *nearv, float *farv) + CGLM_INLINE void glms_persp_decomp_far_rh_zo(mat4s proj, float *farZ) + CGLM_INLINE void glms_persp_decomp_near_rh_zo(mat4s proj, float *nearZ) + CGLM_INLINE float glms_persp_fovy_rh_zo(mat4s proj) + CGLM_INLINE float glms_persp_aspect_rh_zo(mat4s proj) + CGLM_INLINE vec4s glms_persp_sizes_rh_zo(mat4s proj, float fovy) + */ + +#ifndef cglms_persp_rh_zo_h +#define cglms_persp_rh_zo_h + +#include "../../common.h" +#include "../../types-struct.h" +#include "../../plane.h" +#include "../../cam.h" +#include "../../clipspace/persp_rh_zo.h" + +/*! + * @brief set up perspective peprojection matrix + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] left viewport.left + * @param[in] right viewport.right + * @param[in] bottom viewport.bottom + * @param[in] top viewport.top + * @param[in] nearZ near clipping plane + * @param[in] farZ far clipping plane + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_frustum_rh_zo(float left, float right, + float bottom, float top, + float nearZ, float farZ) { + mat4s dest; + glm_frustum_rh_zo(left, right, bottom, top, nearZ, farZ, dest.raw); + return dest; +} + +/*! + * @brief set up perspective projection matrix + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] fovy field of view angle + * @param[in] aspect aspect ratio ( width / height ) + * @param[in] nearZ near clipping plane + * @param[in] farZ far clipping planes + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_perspective_rh_zo(float fovy, float aspect, float nearZ, float farZ) { + mat4s dest; + glm_perspective_rh_zo(fovy, aspect, nearZ, farZ, dest.raw); + return dest; +} + +/*! + * @brief extend perspective projection matrix's far distance + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * NOTE: if you dodn't want to create new matrix then use array api on struct.raw + * like glms_persp_move_far_rh_zo(prooj.raw, deltaFar) to avoid create new mat4 + * each time + * + * this function does not guarantee far >= near, be aware of that! + * + * @param[in, out] proj projection matrix to extend + * @param[in] deltaFar distance from existing far (negative to shink) + */ +CGLM_INLINE +mat4s +glms_persp_move_far_rh_zo(mat4s proj, float deltaFar) { + mat4s dest; + dest = proj; + glm_persp_move_far_rh_zo(dest.raw, deltaFar); + return dest; +} + +/*! + * @brief set up perspective projection matrix with default near/far + * and angle values with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] aspect aspect ratio ( width / height ) + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_perspective_default_rh_zo(float aspect) { + mat4s dest; + glm_perspective_default_rh_zo(aspect, dest.raw); + return dest; +} + +/*! + * @brief resize perspective matrix by aspect ratio ( width / height ) + * this makes very easy to resize proj matrix when window /viewport + * reized with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * NOTE: if you dodn't want to create new matrix then use array api on struct.raw + * like glm_perspective_resize_rh_zo(proj.raw, aspect) to avoid create new mat4 + * each time + * + * @param[in, out] proj perspective projection matrix + * @param[in] aspect aspect ratio ( width / height ) + */ +CGLM_INLINE +mat4s +glms_perspective_resize_rh_zo(mat4s proj, float aspect) { + mat4s dest; + dest = proj; + glm_perspective_resize_rh_zo(aspect, dest.raw); + return dest; +} + +/*! + * @brief decomposes frustum values of perspective projection. + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] proj perspective projection matrix + * @param[out] nearZ near + * @param[out] farZ far + * @param[out] top top + * @param[out] bottom bottom + * @param[out] left left + * @param[out] right right + */ +CGLM_INLINE +void +glms_persp_decomp_rh_zo(mat4s proj, + float * __restrict nearZ, float * __restrict farZ, + float * __restrict top, float * __restrict bottom, + float * __restrict left, float * __restrict right) { + glm_persp_decomp_rh_zo(proj.raw, nearZ, farZ, top, bottom, left, right); +} + +/*! + * @brief decomposes frustum values of perspective projection. + * this makes easy to get all values at once + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] proj perspective projection matrix + * @param[out] dest array + */ +CGLM_INLINE +void +glms_persp_decompv_rh_zo(mat4s proj, float dest[6]) { + glm_persp_decompv_rh_zo(proj.raw, dest); +} + +/*! + * @brief decomposes left and right values of perspective projection + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * x stands for x axis (left / right axis) + * + * @param[in] proj perspective projection matrix + * @param[out] left left + * @param[out] right right + */ +CGLM_INLINE +void +glms_persp_decomp_x_rh_zo(mat4s proj, + float * __restrict left, + float * __restrict right) { + glm_persp_decomp_x_rh_zo(proj.raw, left, right); +} + +/*! + * @brief decomposes top and bottom values of perspective projection + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * y stands for y axis (top / bottom axis) + * + * @param[in] proj perspective projection matrix + * @param[out] top top + * @param[out] bottom bottom + */ +CGLM_INLINE +void +glms_persp_decomp_y_rh_zo(mat4s proj, + float * __restrict top, + float * __restrict bottom) { + glm_persp_decomp_y_rh_zo(proj.raw, top, bottom); +} + +/*! + * @brief decomposes near and far values of perspective projection + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * z stands for z axis (near / far axis) + * + * @param[in] proj perspective projection matrix + * @param[out] nearZ near + * @param[out] farZ far + */ +CGLM_INLINE +void +glms_persp_decomp_z_rh_zo(mat4s proj, + float * __restrict nearZ, + float * __restrict farZ) { + glm_persp_decomp_z_rh_zo(proj.raw, nearZ, farZ); +} + +/*! + * @brief decomposes far value of perspective projection + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] proj perspective projection matrix + * @param[out] farZ far + */ +CGLM_INLINE +void +glms_persp_decomp_far_rh_zo(mat4s proj, float * __restrict farZ) { + glm_persp_decomp_far_rh_zo(proj.raw, farZ); +} + +/*! + * @brief decomposes near value of perspective projection + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] proj perspective projection matrix + * @param[out] nearZ near + */ +CGLM_INLINE +void +glms_persp_decomp_near_rh_zo(mat4s proj, float * __restrict nearZ) { + glm_persp_decomp_near_rh_zo(proj.raw, nearZ); +} + +/*! + * @brief returns field of view angle along the Y-axis (in radians) + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * if you need to degrees, use glm_deg to convert it or use this: + * fovy_deg = glm_deg(glm_persp_fovy(projMatrix)) + * + * @param[in] proj perspective projection matrix + */ +CGLM_INLINE +float +glms_persp_fovy_rh_zo(mat4s proj) { + return glm_persp_fovy_rh_zo(proj.raw); +} + +/*! + * @brief returns aspect ratio of perspective projection + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] proj perspective projection matrix + */ +CGLM_INLINE +float +glms_persp_aspect_rh_zo(mat4s proj) { + return glm_persp_aspect_rh_zo(proj.raw); +} + +/*! + * @brief returns sizes of near and far planes of perspective projection + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * @param[in] proj perspective projection matrix + * @param[in] fovy fovy (see brief) + * @returns sizes as vector, sizes order: [Wnear, Hnear, Wfar, Hfar] + */ +CGLM_INLINE +vec4s +glms_persp_sizes_rh_zo(mat4s proj, float fovy) { + vec4s dest; + glm_persp_sizes_rh_zo(proj.raw, fovy, dest.raw); + return dest; +} + +#endif /* cglms_persp_rh_zo_h */ diff --git a/include/cglm/struct/clipspace/project_no.h b/include/cglm/struct/clipspace/project_no.h new file mode 100644 index 0000000..1a28d47 --- /dev/null +++ b/include/cglm/struct/clipspace/project_no.h @@ -0,0 +1,98 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE vec3s glms_unprojecti_no(vec3s pos, mat4s invMat, vec4s vp) + CGLM_INLINE vec3s glms_project_no(vec3s pos, mat4s m, vec4s vp) + CGLM_INLINE float glms_project_z_no(vec3s v, mat4s m) + */ + +#ifndef cglms_project_no_h +#define cglms_project_no_h + +#include "../../common.h" +#include "../../types-struct.h" +#include "../../plane.h" +#include "../../cam.h" +#include "../../clipspace/project_no.h" + +/*! + * @brief maps the specified viewport coordinates into specified space [1] + * the matrix should contain projection matrix. + * + * if you don't have ( and don't want to have ) an inverse matrix then use + * glm_unproject version. You may use existing inverse of matrix in somewhere + * else, this is why glm_unprojecti exists to save save inversion cost + * + * [1] space: + * 1- if m = invProj: View Space + * 2- if m = invViewProj: World Space + * 3- if m = invMVP: Object Space + * + * You probably want to map the coordinates into object space + * so use invMVP as m + * + * Computing viewProj: + * glm_mat4_mul(proj, view, viewProj); + * glm_mat4_mul(viewProj, model, MVP); + * glm_mat4_inv(viewProj, invMVP); + * + * @param[in] pos point/position in viewport coordinates + * @param[in] invMat matrix (see brief) + * @param[in] vp viewport as [x, y, width, height] + * + * @returns unprojected coordinates + */ +CGLM_INLINE +vec3s +glms_unprojecti_no(vec3s pos, mat4s invMat, vec4s vp) { + vec3s dest; + glm_unprojecti_no(pos.raw, invMat.raw, vp.raw, dest.raw); + return dest; +} + +/*! + * @brief map object coordinates to window coordinates + * + * Computing MVP: + * glm_mat4_mul(proj, view, viewProj); + * glm_mat4_mul(viewProj, model, MVP); + * + * @param[in] pos object coordinates + * @param[in] m MVP matrix + * @param[in] vp viewport as [x, y, width, height] + * + * @returns projected coordinates + */ +CGLM_INLINE +vec3s +glms_project_no(vec3s pos, mat4s m, vec4s vp) { + vec3s dest; + glm_project_no(pos.raw, m.raw, vp.raw, dest.raw); + return dest; +} + +/*! + * @brief map object's z coordinate to window coordinates + * + * Computing MVP: + * glm_mat4_mul(proj, view, viewProj); + * glm_mat4_mul(viewProj, model, MVP); + * + * @param[in] v object coordinates + * @param[in] m MVP matrix + * + * @returns projected z coordinate + */ +CGLM_INLINE +float +glms_project_z_no(vec3s v, mat4s m) { + return glm_project_z_no(v.raw, m.raw); +} + +#endif /* cglms_project_rh_no_h */ diff --git a/include/cglm/struct/clipspace/project_zo.h b/include/cglm/struct/clipspace/project_zo.h new file mode 100644 index 0000000..13065f1 --- /dev/null +++ b/include/cglm/struct/clipspace/project_zo.h @@ -0,0 +1,98 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE vec3s glms_unprojecti_no(vec3s pos, mat4s invMat, vec4s vp) + CGLM_INLINE vec3s glms_project_no(vec3s pos, mat4s m, vec4s vp) + CGLM_INLINE float glms_project_z_zo(vec3s v, mat4s m) + */ + +#ifndef cglms_project_zo_h +#define cglms_project_zo_h + +#include "../../common.h" +#include "../../types-struct.h" +#include "../../plane.h" +#include "../../cam.h" +#include "../../clipspace/project_zo.h" + +/*! + * @brief maps the specified viewport coordinates into specified space [1] + * the matrix should contain projection matrix. + * + * if you don't have ( and don't want to have ) an inverse matrix then use + * glm_unproject version. You may use existing inverse of matrix in somewhere + * else, this is why glm_unprojecti exists to save save inversion cost + * + * [1] space: + * 1- if m = invProj: View Space + * 2- if m = invViewProj: World Space + * 3- if m = invMVP: Object Space + * + * You probably want to map the coordinates into object space + * so use invMVP as m + * + * Computing viewProj: + * glm_mat4_mul(proj, view, viewProj); + * glm_mat4_mul(viewProj, model, MVP); + * glm_mat4_inv(viewProj, invMVP); + * + * @param[in] pos point/position in viewport coordinates + * @param[in] invMat matrix (see brief) + * @param[in] vp viewport as [x, y, width, height] + * + * @returns unprojected coordinates + */ +CGLM_INLINE +vec3s +glms_unprojecti_zo(vec3s pos, mat4s invMat, vec4s vp) { + vec3s dest; + glm_unprojecti_zo(pos.raw, invMat.raw, vp.raw, dest.raw); + return dest; +} + +/*! + * @brief map object coordinates to window coordinates + * + * Computing MVP: + * glm_mat4_mul(proj, view, viewProj); + * glm_mat4_mul(viewProj, model, MVP); + * + * @param[in] pos object coordinates + * @param[in] m MVP matrix + * @param[in] vp viewport as [x, y, width, height] + * + * @returns projected coordinates + */ +CGLM_INLINE +vec3s +glms_project_zo(vec3s pos, mat4s m, vec4s vp) { + vec3s dest; + glm_project_zo(pos.raw, m.raw, vp.raw, dest.raw); + return dest; +} + +/*! + * @brief map object's z coordinate to window coordinates + * + * Computing MVP: + * glm_mat4_mul(proj, view, viewProj); + * glm_mat4_mul(viewProj, model, MVP); + * + * @param[in] v object coordinates + * @param[in] m MVP matrix + * + * @returns projected z coordinate + */ +CGLM_INLINE +float +glms_project_z_zo(vec3s v, mat4s m) { + return glm_project_z_zo(v.raw, m.raw); +} + +#endif /* cglm_project_zo_h */ diff --git a/include/cglm/struct/clipspace/view_lh_no.h b/include/cglm/struct/clipspace/view_lh_no.h new file mode 100644 index 0000000..e4ca5ba --- /dev/null +++ b/include/cglm/struct/clipspace/view_lh_no.h @@ -0,0 +1,89 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE mat4s glms_lookat_lh_no(vec3s eye, vec3s center, vec3s up) + CGLM_INLINE mat4s glms_look_lh_no(vec3s eye, vec3s dir, vec3s up) + CGLM_INLINE mat4s glms_look_anyup_lh_no(vec3s eye, vec3s dir) + */ + +#ifndef cglms_view_lh_no_h +#define cglms_view_lh_no_h + +#include "../../common.h" +#include "../../types-struct.h" +#include "../../plane.h" +#include "../../cam.h" +#include "../../clipspace/view_lh_no.h" + +/*! + * @brief set up view matrix + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * NOTE: The UP vector must not be parallel to the line of sight from + * the eye point to the reference point + * + * @param[in] eye eye vector + * @param[in] center center vector + * @param[in] up up vector + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_lookat_lh_no(vec3s eye, vec3s center, vec3s up) { + mat4s dest; + glm_lookat_lh_no(eye.raw, center.raw, up.raw, dest.raw); + return dest; +} + +/*! + * @brief set up view matrix + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * convenient wrapper for lookat: if you only have direction not target self + * then this might be useful. Because you need to get target from direction. + * + * NOTE: The UP vector must not be parallel to the line of sight from + * the eye point to the reference point + * + * @param[in] eye eye vector + * @param[in] dir direction vector + * @param[in] up up vector + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_look_lh_no(vec3s eye, vec3s dir, vec3s up) { + mat4s dest; + glm_look_lh_no(eye.raw, dir.raw, up.raw, dest.raw); + return dest; +} + +/*! + * @brief set up view matrix + * with a left-hand coordinate system and a + * clip-space of [-1, 1]. + * + * convenient wrapper for look: if you only have direction and if you don't + * care what UP vector is then this might be useful to create view matrix + * + * @param[in] eye eye vector + * @param[in] dir direction vector + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_look_anyup_lh_no(vec3s eye, vec3s dir) { + mat4s dest; + glm_look_anyup_lh_no(eye.raw, dir.raw, dest.raw); + return dest; +} + +#endif /* cglms_view_lh_no_h */ diff --git a/include/cglm/struct/clipspace/view_lh_zo.h b/include/cglm/struct/clipspace/view_lh_zo.h new file mode 100644 index 0000000..ac1ada9 --- /dev/null +++ b/include/cglm/struct/clipspace/view_lh_zo.h @@ -0,0 +1,89 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE mat4s glms_lookat_lh_zo(vec3s eye, vec3s center, vec3s up) + CGLM_INLINE mat4s glms_look_lh_zo(vec3s eye, vec3s dir, vec3s up) + CGLM_INLINE mat4s glms_look_anyup_lh_zo(vec3s eye, vec3s dir) + */ + +#ifndef cglms_view_lh_zo_h +#define cglms_view_lh_zo_h + +#include "../../common.h" +#include "../../types-struct.h" +#include "../../plane.h" +#include "../../cam.h" +#include "../../clipspace/view_lh_zo.h" + +/*! + * @brief set up view matrix + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * NOTE: The UP vector must not be parallel to the line of sight from + * the eye point to the reference point + * + * @param[in] eye eye vector + * @param[in] center center vector + * @param[in] up up vector + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_lookat_lh_zo(vec3s eye, vec3s center, vec3s up) { + mat4s dest; + glm_lookat_lh_zo(eye.raw, center.raw, up.raw, dest.raw); + return dest; +} + +/*! + * @brief set up view matrix + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * convenient wrapper for lookat: if you only have direction not target self + * then this might be useful. Because you need to get target from direction. + * + * NOTE: The UP vector must not be parallel to the line of sight from + * the eye point to the reference point + * + * @param[in] eye eye vector + * @param[in] dir direction vector + * @param[in] up up vector + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_look_lh_zo(vec3s eye, vec3s dir, vec3s up) { + mat4s dest; + glm_look_lh_zo(eye.raw, dir.raw, up.raw, dest.raw); + return dest; +} + +/*! + * @brief set up view matrix + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * convenient wrapper for look: if you only have direction and if you don't + * care what UP vector is then this might be useful to create view matrix + * + * @param[in] eye eye vector + * @param[in] dir direction vector + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_look_anyup_lh_zo(vec3s eye, vec3s dir) { + mat4s dest; + glm_look_anyup_lh_zo(eye.raw, dir.raw, dest.raw); + return dest; +} + +#endif /* cglms_view_lh_zo_h */ diff --git a/include/cglm/struct/clipspace/view_rh_no.h b/include/cglm/struct/clipspace/view_rh_no.h new file mode 100644 index 0000000..99b03c3 --- /dev/null +++ b/include/cglm/struct/clipspace/view_rh_no.h @@ -0,0 +1,89 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE mat4s glms_lookat_rh_no(vec3s eye, vec3s center, vec3s up) + CGLM_INLINE mat4s glms_look_rh_no(vec3s eye, vec3s dir, vec3s up) + CGLM_INLINE mat4s glms_look_anyup_rh_no(vec3s eye, vec3s dir) + */ + +#ifndef cglms_view_rh_no_h +#define cglms_view_rh_no_h + +#include "../../common.h" +#include "../../types-struct.h" +#include "../../plane.h" +#include "../../cam.h" +#include "../../clipspace/view_rh_no.h" + +/*! + * @brief set up view matrix + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * NOTE: The UP vector must not be parallel to the line of sight from + * the eye point to the reference point + * + * @param[in] eye eye vector + * @param[in] center center vector + * @param[in] up up vector + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_lookat_rh_no(vec3s eye, vec3s center, vec3s up) { + mat4s dest; + glm_lookat_rh_no(eye.raw, center.raw, up.raw, dest.raw); + return dest; +} + +/*! + * @brief set up view matrix + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * convenient wrapper for lookat: if you only have direction not target self + * then this might be useful. Because you need to get target from direction. + * + * NOTE: The UP vector must not be parallel to the line of sight from + * the eye point to the reference point + * + * @param[in] eye eye vector + * @param[in] dir direction vector + * @param[in] up up vector + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_look_rh_no(vec3s eye, vec3s dir, vec3s up) { + mat4s dest; + glm_look_rh_no(eye.raw, dir.raw, up.raw, dest.raw); + return dest; +} + +/*! + * @brief set up view matrix + * with a right-hand coordinate system and a + * clip-space of [-1, 1]. + * + * convenient wrapper for look: if you only have direction and if you don't + * care what UP vector is then this might be useful to create view matrix + * + * @param[in] eye eye vector + * @param[in] dir direction vector + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_look_anyup_rh_no(vec3s eye, vec3s dir) { + mat4s dest; + glm_look_anyup_rh_no(eye.raw, dir.raw, dest.raw); + return dest; +} + +#endif /* cglms_view_rh_no_h */ diff --git a/include/cglm/struct/clipspace/view_rh_zo.h b/include/cglm/struct/clipspace/view_rh_zo.h new file mode 100644 index 0000000..14ffe32 --- /dev/null +++ b/include/cglm/struct/clipspace/view_rh_zo.h @@ -0,0 +1,89 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE mat4s glms_lookat_rh_zo(vec3s eye, vec3s center, vec3s up) + CGLM_INLINE mat4s glms_look_rh_zo(vec3s eye, vec3s dir, vec3s up) + CGLM_INLINE mat4s glms_look_anyup_rh_zo(vec3s eye, vec3s dir) + */ + +#ifndef cglms_view_rh_zo_h +#define cglms_view_rh_zo_h + +#include "../../common.h" +#include "../../types-struct.h" +#include "../../plane.h" +#include "../../cam.h" +#include "../../clipspace/view_rh_zo.h" + +/*! + * @brief set up view matrix + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * NOTE: The UP vector must not be parallel to the line of sight from + * the eye point to the reference point + * + * @param[in] eye eye vector + * @param[in] center center vector + * @param[in] up up vector + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_lookat_rh_zo(vec3s eye, vec3s center, vec3s up) { + mat4s dest; + glm_lookat_rh_zo(eye.raw, center.raw, up.raw, dest.raw); + return dest; +} + +/*! + * @brief set up view matrix + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * convenient wrapper for lookat: if you only have direction not target self + * then this might be useful. Because you need to get target from direction. + * + * NOTE: The UP vector must not be parallel to the line of sight from + * the eye point to the reference point + * + * @param[in] eye eye vector + * @param[in] dir direction vector + * @param[in] up up vector + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_look_rh_zo(vec3s eye, vec3s dir, vec3s up) { + mat4s dest; + glm_look_rh_zo(eye.raw, dir.raw, up.raw, dest.raw); + return dest; +} + +/*! + * @brief set up view matrix + * with a right-hand coordinate system and a + * clip-space of [0, 1]. + * + * convenient wrapper for look: if you only have direction and if you don't + * care what UP vector is then this might be useful to create view matrix + * + * @param[in] eye eye vector + * @param[in] dir direction vector + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_look_anyup_rh_zo(vec3s eye, vec3s dir) { + mat4s dest; + glm_look_anyup_rh_zo(eye.raw, dir.raw, dest.raw); + return dest; +} + +#endif /* cglms_view_rh_zo_h */ diff --git a/include/cglm/struct/color.h b/include/cglm/struct/color.h new file mode 100644 index 0000000..3ce78da --- /dev/null +++ b/include/cglm/struct/color.h @@ -0,0 +1,27 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +#ifndef cglms_colors_h +#define cglms_colors_h + +#include "../common.h" +#include "../types-struct.h" +#include "../color.h" +#include "vec3.h" + +/*! + * @brief averages the color channels into one value + * + * @param[in] rgb RGB color + */ +CGLM_INLINE +float +glms_luminance(vec3s rgb) { + return glm_luminance(rgb.raw); +} + +#endif /* cglms_colors_h */ diff --git a/include/cglm/struct/curve.h b/include/cglm/struct/curve.h new file mode 100644 index 0000000..53ea359 --- /dev/null +++ b/include/cglm/struct/curve.h @@ -0,0 +1,40 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +#ifndef cglms_curves_h +#define cglms_curves_h + +#include "../common.h" +#include "../types-struct.h" +#include "../curve.h" +#include "vec4.h" +#include "mat4.h" + +/*! + * @brief helper function to calculate S*M*C multiplication for curves + * + * This function does not encourage you to use SMC, + * instead it is a helper if you use SMC. + * + * if you want to specify S as vector then use more generic glm_mat4_rmc() func. + * + * Example usage: + * B(s) = glm_smc(s, GLM_BEZIER_MAT, (vec4){p0, c0, c1, p1}) + * + * @param[in] s parameter between 0 and 1 (this will be [s3, s2, s, 1]) + * @param[in] m basis matrix + * @param[in] c position/control vector + * + * @return B(s) + */ +CGLM_INLINE +float +glms_smc(float s, mat4s m, vec4s c) { + return glm_smc(s, m.raw, c.raw); +} + +#endif /* cglms_curves_h */ diff --git a/include/cglm/struct/euler.h b/include/cglm/struct/euler.h new file mode 100644 index 0000000..19697f7 --- /dev/null +++ b/include/cglm/struct/euler.h @@ -0,0 +1,249 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + NOTE: + angles must be passed as [X-Angle, Y-Angle, Z-angle] order + For instance you don't pass angles as [Z-Angle, X-Angle, Y-angle] to + glm_euler_zxy function, All RELATED functions accept angles same order + which is [X, Y, Z]. + */ + +/* + Types: + enum glm_euler_seq + + Functions: + CGLM_INLINE vec3s glms_euler_angles(mat4s m) + CGLM_INLINE mat4s glms_euler_xyz(vec3s angles) + CGLM_INLINE mat4s glms_euler_xzy(vec3s angles) + CGLM_INLINE mat4s glms_euler_yxz(vec3s angles) + CGLM_INLINE mat4s glms_euler_yzx(vec3s angles) + CGLM_INLINE mat4s glms_euler_zxy(vec3s angles) + CGLM_INLINE mat4s glms_euler_zyx(vec3s angles) + CGLM_INLINE mat4s glms_euler_by_order(vec3s angles, glm_euler_seq ord) + CGLM_INLINE versors glms_euler_xyz_quat(vec3s angles) + CGLM_INLINE versors glms_euler_xzy_quat(vec3s angles) + CGLM_INLINE versors glms_euler_yxz_quat(vec3s angles) + CGLM_INLINE versors glms_euler_yzx_quat(vec3s angles) + CGLM_INLINE versors glms_euler_zxy_quat(vec3s angles) + CGLM_INLINE versors glms_euler_zyx_quat(vec3s angles) + */ + +#ifndef cglms_euler_h +#define cglms_euler_h + +#include "../common.h" +#include "../types-struct.h" +#include "../euler.h" + +/*! + * @brief extract euler angles (in radians) using xyz order + * + * @param[in] m affine transform + * @returns angles vector [x, y, z] + */ +CGLM_INLINE +vec3s +glms_euler_angles(mat4s m) { + vec3s dest; + glm_euler_angles(m.raw, dest.raw); + return dest; +} + +/*! + * @brief build rotation matrix from euler angles + * + * @param[in] angles angles as vector [Xangle, Yangle, Zangle] + * @returns rotation matrix + */ +CGLM_INLINE +mat4s +glms_euler_xyz(vec3s angles) { + mat4s dest; + glm_euler_xyz(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief build rotation matrix from euler angles + * + * @param[in] angles angles as vector [Xangle, Yangle, Zangle] + * @returns rotation matrix + */ +CGLM_INLINE +mat4s +glms_euler_xzy(vec3s angles) { + mat4s dest; + glm_euler_xzy(angles.raw, dest.raw); + return dest; +} + + +/*! + * @brief build rotation matrix from euler angles + * + * @param[in] angles angles as vector [Xangle, Yangle, Zangle] + * @returns rotation matrix + */ +CGLM_INLINE +mat4s +glms_euler_yxz(vec3s angles) { + mat4s dest; + glm_euler_yxz(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief build rotation matrix from euler angles + * + * @param[in] angles angles as vector [Xangle, Yangle, Zangle] + * @returns rotation matrix + */ +CGLM_INLINE +mat4s +glms_euler_yzx(vec3s angles) { + mat4s dest; + glm_euler_yzx(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief build rotation matrix from euler angles + * + * @param[in] angles angles as vector [Xangle, Yangle, Zangle] + * @returns rotation matrix + */ +CGLM_INLINE +mat4s +glms_euler_zxy(vec3s angles) { + mat4s dest; + glm_euler_zxy(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief build rotation matrix from euler angles + * + * @param[in] angles angles as vector [Xangle, Yangle, Zangle] + * @returns rotation matrix + */ +CGLM_INLINE +mat4s +glms_euler_zyx(vec3s angles) { + mat4s dest; + glm_euler_zyx(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief build rotation matrix from euler angles + * + * @param[in] angles angles as vector [Xangle, Yangle, Zangle] + * @param[in] ord euler order + * @returns rotation matrix + */ +CGLM_INLINE +mat4s +glms_euler_by_order(vec3s angles, glm_euler_seq ord) { + mat4s dest; + glm_euler_by_order(angles.raw, ord, dest.raw); + return dest; +} + +/*! + * @brief creates NEW quaternion using rotation angles and does + * rotations in x y z order (roll pitch yaw) + * + * @param[in] angles angles x y z (radians) + * @returns quaternion + */ +CGLM_INLINE +versors +glms_euler_xyz_quat(vec3s angles) { + versors dest; + glm_euler_xyz_quat(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief creates NEW quaternion using rotation angles and does + * rotations in x z y order (roll yaw pitch) + * + * @param[in] angles angles x y z (radians) + * @returns quaternion + */ +CGLM_INLINE +versors +glms_euler_xzy_quat(vec3s angles) { + versors dest; + glm_euler_xzy_quat(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief creates NEW quaternion using rotation angles and does + * rotations in y x z order (pitch roll yaw) + * + * @param[in] angles angles x y z (radians) + * @returns quaternion + */ +CGLM_INLINE +versors +glms_euler_yxz_quat(vec3s angles) { + versors dest; + glm_euler_yxz_quat(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief creates NEW quaternion using rotation angles and does + * rotations in y z x order (pitch yaw roll) + * + * @param[in] angles angles x y z (radians) + * @returns quaternion + */ +CGLM_INLINE +versors +glms_euler_yzx_quat(vec3s angles) { + versors dest; + glm_euler_yzx_quat(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief creates NEW quaternion using rotation angles and does + * rotations in z x y order (yaw roll pitch) + * + * @param[in] angles angles x y z (radians) + * @returns quaternion + */ +CGLM_INLINE +versors +glms_euler_zxy_quat(vec3s angles) { + versors dest; + glm_euler_zxy_quat(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief creates NEW quaternion using rotation angles and does + * rotations in z y x order (yaw pitch roll) + * + * @param[in] angles angles x y z (radians) + * @returns quaternion + */ +CGLM_INLINE +versors +glms_euler_zyx_quat(vec3s angles) { + versors dest; + glm_euler_zyx_quat(angles.raw, dest.raw); + return dest; +} + + +#endif /* cglms_euler_h */ diff --git a/include/cglm/struct/frustum.h b/include/cglm/struct/frustum.h new file mode 100644 index 0000000..81b5b7b --- /dev/null +++ b/include/cglm/struct/frustum.h @@ -0,0 +1,155 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +#ifndef cglms_frustums_h +#define cglms_frustums_h + +#include "../common.h" +#include "../types-struct.h" +#include "../frustum.h" +#include "plane.h" +#include "vec3.h" +#include "vec4.h" +#include "mat4.h" + +/* you can override clip space coords + but you have to provide all with same name + e.g.: define GLM_CSCOORD_LBN {0.0f, 0.0f, 1.0f, 1.0f} */ +#ifndef GLM_CUSTOM_CLIPSPACE + +/* near */ +#define GLMS_CSCOORD_LBN {-1.0f, -1.0f, -1.0f, 1.0f} +#define GLMS_CSCOORD_LTN {-1.0f, 1.0f, -1.0f, 1.0f} +#define GLMS_CSCOORD_RTN { 1.0f, 1.0f, -1.0f, 1.0f} +#define GLMS_CSCOORD_RBN { 1.0f, -1.0f, -1.0f, 1.0f} + +/* far */ +#define GLMS_CSCOORD_LBF {-1.0f, -1.0f, 1.0f, 1.0f} +#define GLMS_CSCOORD_LTF {-1.0f, 1.0f, 1.0f, 1.0f} +#define GLMS_CSCOORD_RTF { 1.0f, 1.0f, 1.0f, 1.0f} +#define GLMS_CSCOORD_RBF { 1.0f, -1.0f, 1.0f, 1.0f} + +#endif + +/*! + * @brief extracts view frustum planes + * + * planes' space: + * 1- if m = proj: View Space + * 2- if m = viewProj: World Space + * 3- if m = MVP: Object Space + * + * You probably want to extract planes in world space so use viewProj as m + * Computing viewProj: + * glm_mat4_mul(proj, view, viewProj); + * + * Exracted planes order: [left, right, bottom, top, near, far] + * + * @param[in] m matrix (see brief) + * @param[out] dest extracted view frustum planes (see brief) + */ +CGLM_INLINE +void +glms_frustum_planes(mat4s m, vec4s dest[6]) { + vec4 rawDest[6]; + glm_frustum_planes(m.raw, rawDest); + glms_vec4_(pack)(dest, rawDest, 6); +} + +/*! + * @brief extracts view frustum corners using clip-space coordinates + * + * corners' space: + * 1- if m = invViewProj: World Space + * 2- if m = invMVP: Object Space + * + * You probably want to extract corners in world space so use invViewProj + * Computing invViewProj: + * glm_mat4_mul(proj, view, viewProj); + * ... + * glm_mat4_inv(viewProj, invViewProj); + * + * if you have a near coord at i index, you can get it's far coord by i + 4 + * + * Find center coordinates: + * for (j = 0; j < 4; j++) { + * glm_vec3_center(corners[i], corners[i + 4], centerCorners[i]); + * } + * + * @param[in] invMat matrix (see brief) + * @param[out] dest exracted view frustum corners (see brief) + */ +CGLM_INLINE +void +glms_frustum_corners(mat4s invMat, vec4s dest[8]) { + vec4 rawDest[8]; + glm_frustum_corners(invMat.raw, rawDest); + glms_vec4_(pack)(dest, rawDest, 8); +} + +/*! + * @brief finds center of view frustum + * + * @param[in] corners view frustum corners + * @returns view frustum center + */ +CGLM_INLINE +vec4s +glms_frustum_center(vec4s corners[8]) { + vec4 rawCorners[8]; + vec4s r; + + glms_vec4_(unpack)(rawCorners, corners, 8); + glm_frustum_center(rawCorners, r.raw); + return r; +} + +/*! + * @brief finds bounding box of frustum relative to given matrix e.g. view mat + * + * @param[in] corners view frustum corners + * @param[in] m matrix to convert existing conners + * @param[out] box bounding box as array [min, max] + */ +CGLM_INLINE +void +glms_frustum_box(vec4s corners[8], mat4s m, vec3s box[2]) { + vec4 rawCorners[8]; + vec3 rawBox[2]; + + glms_vec4_(unpack)(rawCorners, corners, 8); + glm_frustum_box(rawCorners, m.raw, rawBox); + glms_vec3_(pack)(box, rawBox, 2); +} + +/*! + * @brief finds planes corners which is between near and far planes (parallel) + * + * this will be helpful if you want to split a frustum e.g. CSM/PSSM. This will + * find planes' corners but you will need to one more plane. + * Actually you have it, it is near, far or created previously with this func ;) + * + * @param[in] corners view frustum corners + * @param[in] splitDist split distance + * @param[in] farDist far distance (zFar) + * @param[out] planeCorners plane corners [LB, LT, RT, RB] + */ +CGLM_INLINE +void +glms_frustum_corners_at(vec4s corners[8], + float splitDist, + float farDist, + vec4s planeCorners[4]) { + vec4 rawCorners[8]; + vec4 rawPlaneCorners[4]; + + glms_vec4_(unpack)(rawCorners, corners, 8); + glm_frustum_corners_at(rawCorners, splitDist, farDist, rawPlaneCorners); + glms_vec4_(pack)(planeCorners, rawPlaneCorners, 8); +} + +#endif /* cglms_frustums_h */ diff --git a/include/cglm/struct/handed/euler_to_quat_lh.h b/include/cglm/struct/handed/euler_to_quat_lh.h new file mode 100644 index 0000000..3964e51 --- /dev/null +++ b/include/cglm/struct/handed/euler_to_quat_lh.h @@ -0,0 +1,115 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE void glms_euler_xyz_quat_lh(vec3 angles, versor dest); + CGLM_INLINE void glms_euler_xzy_quat_lh(vec3 angles, versor dest); + CGLM_INLINE void glms_euler_yxz_quat_lh(vec3 angles, versor dest); + CGLM_INLINE void glms_euler_yzx_quat_lh(vec3 angles, versor dest); + CGLM_INLINE void glms_euler_zxy_quat_lh(vec3 angles, versor dest); + CGLM_INLINE void glms_euler_zyx_quat_lh(vec3 angles, versor dest); + */ + +#ifndef cglms_euler_to_quat_lh_h +#define cglms_euler_to_quat_lh_h + +#include "../common.h" + + +/*! + * @brief creates NEW quaternion using rotation angles and does + * rotations in x y z order in left hand (roll pitch yaw) + * + * @param[in] angles angles x y z (radians) + * @param[out] dest quaternion + */ +CGLM_INLINE +versors +glms_euler_xyz_quat_lh(vec3s angles) { + versors dest; + glm_euler_xyz_quat_lh(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief creates NEW quaternion using rotation angles and does + * rotations in x z y order in left hand (roll yaw pitch) + * + * @param[in] angles angles x y z (radians) + * @param[out] dest quaternion + */ +CGLM_INLINE +versors +glms_euler_xzy_quat_lh(vec3s angles) { + versors dest; + glm_euler_xzy_quat_lh(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief creates NEW quaternion using rotation angles and does + * rotations in y x z order in left hand (pitch roll yaw) + * + * @param[in] angles angles x y z (radians) + * @param[out] dest quaternion + */ +CGLM_INLINE +versors +glms_euler_yxz_quat_lh(vec3s angles) { + versors dest; + glm_euler_yxz_quat_lh(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief creates NEW quaternion using rotation angles and does + * rotations in y z x order in left hand (pitch yaw roll) + * + * @param[in] angles angles x y z (radians) + * @param[out] dest quaternion + */ +CGLM_INLINE +versors +glms_euler_yzx_quat_lh(vec3s angles) { + versors dest; + glm_euler_yzx_quat_lh(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief creates NEW quaternion using rotation angles and does + * rotations in z x y order in left hand (yaw roll pitch) + * + * @param[in] angles angles x y z (radians) + * @param[out] dest quaternion + */ +CGLM_INLINE +versors +glms_euler_zxy_quat_lh(vec3s angles) { + versors dest; + glm_euler_zxy_quat_lh(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief creates NEW quaternion using rotation angles and does + * rotations in z y x order in left hand (yaw pitch roll) + * + * @param[in] angles angles x y z (radians) + * @param[out] dest quaternion + */ +CGLM_INLINE +versors +glms_euler_zyx_quat_lh(vec3s angles) { + versors dest; + glm_euler_zyx_quat_lh(angles.raw, dest.raw); + return dest; +} + + +#endif /* cglms_euler_to_quat_lh_h */ diff --git a/include/cglm/struct/handed/euler_to_quat_rh.h b/include/cglm/struct/handed/euler_to_quat_rh.h new file mode 100644 index 0000000..6c7f400 --- /dev/null +++ b/include/cglm/struct/handed/euler_to_quat_rh.h @@ -0,0 +1,115 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE void glms_euler_xyz_quat_rh(vec3 angles, versor dest); + CGLM_INLINE void glms_euler_xzy_quat_rh(vec3 angles, versor dest); + CGLM_INLINE void glms_euler_yxz_quat_rh(vec3 angles, versor dest); + CGLM_INLINE void glms_euler_yzx_quat_rh(vec3 angles, versor dest); + CGLM_INLINE void glms_euler_zxy_quat_rh(vec3 angles, versor dest); + CGLM_INLINE void glms_euler_zyx_quat_rh(vec3 angles, versor dest); + */ + +#ifndef cglms_euler_to_quat_rh_h +#define cglms_euler_to_quat_rh_h + +#include "../common.h" + + +/*! + * @brief creates NEW quaternion using rotation angles and does + * rotations in x y z order in right hand (roll pitch yaw) + * + * @param[in] angles angles x y z (radians) + * @param[out] dest quaternion + */ +CGLM_INLINE +versors +glms_euler_xyz_quat_rh(vec3s angles) { + versors dest; + glm_euler_xyz_quat_rh(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief creates NEW quaternion using rotation angles and does + * rotations in x z y order in right hand (roll yaw pitch) + * + * @param[in] angles angles x y z (radians) + * @param[out] dest quaternion + */ +CGLM_INLINE +versors +glms_euler_xzy_quat_rh(vec3s angles) { + versors dest; + glm_euler_xzy_quat_rh(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief creates NEW quaternion using rotation angles and does + * rotations in y x z order in right hand (pitch roll yaw) + * + * @param[in] angles angles x y z (radians) + * @param[out] dest quaternion + */ +CGLM_INLINE +versors +glms_euler_yxz_quat_rh(vec3s angles) { + versors dest; + glm_euler_yxz_quat_rh(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief creates NEW quaternion using rotation angles and does + * rotations in y z x order in right hand (pitch yaw roll) + * + * @param[in] angles angles x y z (radians) + * @param[out] dest quaternion + */ +CGLM_INLINE +versors +glms_euler_yzx_quat_rh(vec3s angles) { + versors dest; + glm_euler_yzx_quat_rh(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief creates NEW quaternion using rotation angles and does + * rotations in z x y order in right hand (yaw roll pitch) + * + * @param[in] angles angles x y z (radians) + * @param[out] dest quaternion + */ +CGLM_INLINE +versors +glms_euler_zxy_quat_rh(vec3s angles) { + versors dest; + glm_euler_zxy_quat_rh(angles.raw, dest.raw); + return dest; +} + +/*! + * @brief creates NEW quaternion using rotation angles and does + * rotations in z y x order in right hand (yaw pitch roll) + * + * @param[in] angles angles x y z (radians) + * @param[out] dest quaternion + */ +CGLM_INLINE +versors +glms_euler_zyx_quat_rh(vec3s angles) { + versors dest; + glm_euler_zyx_quat_rh(angles.raw, dest.raw); + return dest; +} + + +#endif /* cglms_euler_to_quat_rh_h */ diff --git a/include/cglm/struct/io.h b/include/cglm/struct/io.h new file mode 100644 index 0000000..900c2a8 --- /dev/null +++ b/include/cglm/struct/io.h @@ -0,0 +1,107 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE void glms_mat4_print(mat4s matrix, FILE *ostream); + CGLM_INLINE void glms_mat3_print(mat3s matrix, FILE *ostream); + CGLM_INLINE void glms_vec4_print(vec4s vec, FILE *ostream); + CGLM_INLINE void glms_ivec4_print(ivec3s vec, FILE *ostream); + CGLM_INLINE void glms_vec3_print(vec3s vec, FILE *ostream); + CGLM_INLINE void glms_ivec3_print(ivec3s vec, FILE *ostream); + CGLM_INLINE void glms_vec2_print(vec2s vec, FILE *ostream); + CGLM_INLINE void glms_ivec2_print(ivec3s vec, FILE *ostream); + CGLM_INLINE void glms_versor_print(versor vec, FILE *ostream); + CGLM_INLINE void glms_aabb_print(vec3s bbox[2], const char *tag, FILE *ostream); + */ + +#ifndef cglms_ios_h +#define cglms_ios_h + +#include "../common.h" +#include "../io.h" +#include "mat4.h" + +#include <stdio.h> +#include <stdlib.h> + +CGLM_INLINE +void +glms_mat4_print(mat4s matrix, + FILE * __restrict ostream) { + + glm_mat4_print(matrix.raw, ostream); +} + +CGLM_INLINE +void +glms_mat3_print(mat3s matrix, + FILE * __restrict ostream) { + glm_mat3_print(matrix.raw, ostream); +} + +CGLM_INLINE +void +glms_vec4_print(vec4s vec, + FILE * __restrict ostream) { + glm_vec4_print(vec.raw, ostream); +} + +CGLM_INLINE +void +glms_ivec4_print(ivec4s vec, + FILE * __restrict ostream) { + glm_ivec4_print(vec.raw, ostream); +} + +CGLM_INLINE +void +glms_vec3_print(vec3s vec, + FILE * __restrict ostream) { + glm_vec3_print(vec.raw, ostream); +} + +CGLM_INLINE +void +glms_ivec3_print(ivec3s vec, + FILE * __restrict ostream) { + glm_ivec3_print(vec.raw, ostream); +} + +CGLM_INLINE +void +glms_vec2_print(vec2s vec, + FILE * __restrict ostream) { + glm_vec2_print(vec.raw, ostream); +} + +CGLM_INLINE +void +glms_ivec2_print(ivec2s vec, + FILE * __restrict ostream) { + glm_ivec2_print(vec.raw, ostream); +} + +CGLM_INLINE +void +glms_versor_print(versors vec, + FILE * __restrict ostream) { + glm_versor_print(vec.raw, ostream); +} + +CGLM_INLINE +void +glms_aabb_print(vec3s bbox[2], + const char * __restrict tag, + FILE * __restrict ostream) { + vec3 rawBbox[2]; + + glms_vec3_(unpack)(rawBbox, bbox, 2); + glm_aabb_print(rawBbox, tag, ostream); +} + +#endif /* cglms_ios_h */ diff --git a/include/cglm/struct/ivec2.h b/include/cglm/struct/ivec2.h new file mode 100644 index 0000000..d53c9f6 --- /dev/null +++ b/include/cglm/struct/ivec2.h @@ -0,0 +1,708 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Macros: + GLMS_IVEC2_ONE_INIT + GLMS_IVEC2_ZERO_INIT + GLMS_IVEC2_ONE + GLMS_IVEC2_ZERO + + Functions: + CGLM_INLINE ivec2s glms_ivec2(int * __restrict v) + CGLM_INLINE void glms_ivec2_pack(ivec2s dst[], ivec2s src[], size_t len) + CGLM_INLINE void glms_ivec2_unpack(ivec2 dst[], ivec2 src[], size_t len) + CGLM_INLINE ivec2s glms_ivec2_zero(ivec2s v) + CGLM_INLINE ivec2s glms_ivec2_one(ivec2s v) + CGLM_INLINE int glms_ivec2_dot(ivec2s a, ivec2s b) + CGLM_INLINE int glms_ivec2_cross(ivec2s a, ivec2s b) + CGLM_INLINE ivec2s glms_ivec2_add(ivec2s a, ivec2s b) + CGLM_INLINE ivec2s glms_ivec2_adds(ivec2s v, int s) + CGLM_INLINE ivec2s glms_ivec2_sub(ivec2s a, ivec2s b) + CGLM_INLINE ivec2s glms_ivec2_subs(ivec2s v, int s) + CGLM_INLINE ivec2s glms_ivec2_mul(ivec2s a, ivec2s b) + CGLM_INLINE ivec2s glms_ivec2_scale(ivec2s v, int s) + CGLM_INLINE ivec2s glms_ivec2_div(ivec2s a, ivec2s b) + CGLM_INLINE ivec2s glms_ivec2_divs(ivec2s v, int s) + CGLM_INLINE ivec2s glms_ivec2_mod(ivec2s a, ivec2s b) + CGLM_INLINE ivec2s glms_ivec2_addadd(ivec2s a, ivec2s b) + CGLM_INLINE ivec2s glms_ivec2_addadds(ivec2s a, int s) + CGLM_INLINE ivec2s glms_ivec2_subadd(ivec2s a, ivec2s b) + CGLM_INLINE ivec2s glms_ivec2_subadds(ivec2s a, int s) + CGLM_INLINE ivec2s glms_ivec2_muladd(ivec2s a, ivec2s b) + CGLM_INLINE ivec2s glms_ivec2_muladds(ivec2s a, int s) + CGLM_INLINE ivec2s glms_ivec2_maxadd(ivec2s a, ivec2s b) + CGLM_INLINE ivec2s glms_ivec2_minadd(ivec2s a, ivec2s b) + CGLM_INLINE ivec2s glms_ivec2_subsub(ivec2s a, ivec2s b) + CGLM_INLINE ivec2s glms_ivec2_subsubs(ivec2s a, int s) + CGLM_INLINE ivec2s glms_ivec2_addsub(ivec2s a, ivec2s b) + CGLM_INLINE ivec2s glms_ivec2_addsubs(ivec2s a, int s) + CGLM_INLINE ivec2s glms_ivec2_mulsub(ivec2s a, ivec2s b) + CGLM_INLINE ivec2s glms_ivec2_mulsubs(ivec2s a, int s) + CGLM_INLINE ivec2s glms_ivec2_maxsub(ivec2s a, ivec2s b) + CGLM_INLINE ivec2s glms_ivec2_minsub(ivec2s a, ivec2s b) + CGLM_INLINE int glms_ivec2_distance2(ivec2s a, ivec2s b) + CGLM_INLINE float glms_ivec2_distance(ivec2s a, ivec2s b) + CGLM_INLINE ivec2s glms_ivec2_fill(int val) + CGLM_INLINE bool glms_ivec2_eq(ivec2s v, int val); + CGLM_INLINE bool glms_ivec2_eqv(ivec2s a, ivec2s b); + CGLM_INLINE ivec2s glms_ivec2_maxv(ivec2s a, ivec2s b) + CGLM_INLINE ivec2s glms_ivec2_minv(ivec2s a, ivec2s b) + CGLM_INLINE ivec2s glms_ivec2_clamp(ivec2s v, int minVal, int maxVal) + CGLM_INLINE ivec2s glms_ivec2_abs(ivec2s v) + */ + +#ifndef cglms_ivec2_h +#define cglms_ivec2_h + +#include "../common.h" +#include "../types-struct.h" +#include "../ivec2.h" + +#define glms_ivec2_(NAME) CGLM_STRUCTAPI(ivec2, NAME) + +#define GLMS_IVEC2_ONE_INIT {GLM_IVEC2_ONE_INIT} +#define GLMS_IVEC2_ZERO_INIT {GLM_IVEC2_ZERO_INIT} + +#define GLMS_IVEC2_ONE ((ivec2s)GLMS_IVEC2_ONE_INIT) +#define GLMS_IVEC2_ZERO ((ivec2s)GLMS_IVEC2_ZERO_INIT) + +/*! + * @brief init ivec2 using ivec3 or ivec4 + * + * @param[in] v vector + * @returns destination + */ +CGLM_INLINE +ivec2s +glms_ivec2(int * __restrict v) { + ivec2s r; + glm_ivec2(v, r.raw); + return r; +} + +/*! + * @brief pack an array of ivec2 into an array of ivec2s + * + * @param[out] dst array of ivec2s + * @param[in] src array of ivec2 + * @param[in] len number of elements + */ +CGLM_INLINE +void +glms_ivec2_(pack)(ivec2s dst[], ivec2 src[], size_t len) { + size_t i; + + for (i = 0; i < len; i++) { + glm_ivec2_copy(src[i], dst[i].raw); + } +} + +/*! + * @brief unpack an array of ivec2s into an array of ivec2 + * + * @param[out] dst array of ivec2 + * @param[in] src array of ivec2s + * @param[in] len number of elements + */ +CGLM_INLINE +void +glms_ivec2_(unpack)(ivec2 dst[], ivec2s src[], size_t len) { + size_t i; + + for (i = 0; i < len; i++) { + glm_ivec2_copy(src[i].raw, dst[i]); + } +} + +/*! + * @brief set all members of [v] to zero + * + * @returns vector + */ +CGLM_INLINE +ivec2s +glms_ivec2_(zero)(void) { + ivec2s r; + glm_ivec2_zero(r.raw); + return r; +} + +/*! + * @brief set all members of [v] to one + * + * @returns vector + */ +CGLM_INLINE +ivec2s +glms_ivec2_(one)(void) { + ivec2s r; + glm_ivec2_one(r.raw); + return r; +} + +/*! + * @brief ivec2 dot product + * + * @param[in] a vector1 + * @param[in] b vector2 + * + * @return dot product + */ +CGLM_INLINE +int +glms_ivec2_(dot)(ivec2s a, ivec2s b) { + return glm_ivec2_dot(a.raw, b.raw); +} + +/*! + * @brief ivec2 cross product + * + * REF: http://allenchou.net/2013/07/cross-product-of-2d-vectors/ + * + * @param[in] a vector1 + * @param[in] b vector2 + * + * @return Z component of cross product + */ +CGLM_INLINE +int +glms_ivec2_(cross)(ivec2s a, ivec2s b) { + return glm_ivec2_cross(a.raw, b.raw); +} + +/*! + * @brief add vector [a] to vector [b] and store result in [dest] + * + * @param[in] a first vector + * @param[in] b second vector + * @returns destination + */ +CGLM_INLINE +ivec2s +glms_ivec2_(add)(ivec2s a, ivec2s b) { + ivec2s r; + glm_ivec2_add(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief add scalar s to vector [v] and store result in [dest] + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination + */ +CGLM_INLINE +ivec2s +glms_ivec2_(adds)(ivec2s v, int s) { + ivec2s r; + glm_ivec2_adds(v.raw, s, r.raw); + return r; +} + +/*! + * @brief subtract vector [b] from vector [a] and store result in [dest] + * + * @param[in] a first vector + * @param[in] b second vector + * @returns destination + */ +CGLM_INLINE +ivec2s +glms_ivec2_(sub)(ivec2s a, ivec2s b) { + ivec2s r; + glm_ivec2_sub(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief subtract scalar s from vector [v] and store result in [dest] + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination + */ +CGLM_INLINE +ivec2s +glms_ivec2_(subs)(ivec2s v, int s) { + ivec2s r; + glm_ivec2_subs(v.raw, s, r.raw); + return r; +} + +/*! + * @brief multiply vector [a] with vector [b] and store result in [dest] + * + * @param[in] a first vector + * @param[in] b second vector + * @returns destination + */ +CGLM_INLINE +ivec2s +glms_ivec2_(mul)(ivec2s a, ivec2s b) { + ivec2s r; + glm_ivec2_mul(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief multiply vector [a] with scalar s and store result in [dest] + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination + */ +CGLM_INLINE +ivec2s +glms_ivec2_(scale)(ivec2s v, int s) { + ivec2s r; + glm_ivec2_scale(v.raw, s, r.raw); + return r; +} + +/*! + * @brief div vector with another component-wise division: d = a / b + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns result = (a[0]/b[0], a[1]/b[1]) + */ +CGLM_INLINE +ivec2s +glms_ivec2_(div)(ivec2s a, ivec2s b) { + ivec2s r; + glm_ivec2_div(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief div vector with scalar: d = v / s + * + * @param[in] v vector + * @param[in] s scalar + * @returns result = (a[0]/s, a[1]/s) + */ +CGLM_INLINE +ivec2s +glms_ivec2_(divs)(ivec2s v, int s) { + ivec2s r; + glm_ivec2_divs(v.raw, s, r.raw); + return r; +} + +/*! + * @brief mod vector with another component-wise modulo: d = a % b + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns result = (a[0]%b[0], a[1]%b[1]) + */ +CGLM_INLINE +ivec2s +glms_ivec2_(mod)(ivec2s a, ivec2s b) { + ivec2s r; + glm_ivec2_mod(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief add vector [a] with vector [b] and add result to vector [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest += (a + b) + * @returns dest + */ +CGLM_INLINE +ivec2s +glms_ivec2_(addadd)(ivec2s a, ivec2s b, ivec2s dest) { + glm_ivec2_addadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief add scalar [s] onto vector [a] and add result to vector [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @param[in] dest dest += (a + s) + * @returns dest + */ +CGLM_INLINE +ivec2s +glms_ivec2_(addadds)(ivec2s a, int s, ivec2s dest) { + glm_ivec2_addadds(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief subtract vector [a] from vector [b] and add result to [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest += (a - b) + * @returns dest + */ +CGLM_INLINE +ivec2s +glms_ivec2_(subadd)(ivec2s a, ivec2s b, ivec2s dest) { + glm_ivec2_subadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief subtract scalar [s] from vector [a] and add result to [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first + * @param[in] s scalar + * @param[in] dest dest += (a - s) + * @returns dest + */ +CGLM_INLINE +ivec2s +glms_ivec2_(subadds)(ivec2s a, int s, ivec2s dest) { + glm_ivec2_subadds(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief multiply vector [a] with vector [b] and add result to [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest += (a * b) + * @returns dest + */ +CGLM_INLINE +ivec2s +glms_ivec2_(muladd)(ivec2s a, ivec2s b, ivec2s dest) { + glm_ivec2_muladd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief multiply vector [a] with scalar [s] and add result to [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @param[in] dest dest += (a * s) + * @returns dest + */ +CGLM_INLINE +ivec2s +glms_ivec2_(muladds)(ivec2s a, int s, ivec2s dest) { + glm_ivec2_muladds(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief add maximum of vector [a] and vector [b] to vector [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest += max(a, b) + * @returns dest + */ +CGLM_INLINE +ivec2s +glms_ivec2_(maxadd)(ivec2s a, ivec2s b, ivec2s dest) { + glm_ivec2_maxadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief add minimum of vector [a] and vector [b] to vector [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest += min(a, b) + * @returns dest + */ +CGLM_INLINE +ivec2s +glms_ivec2_(minadd)(ivec2s a, ivec2s b, ivec2s dest) { + glm_ivec2_minadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief subtract vector [a] from vector [b] and subtract result from [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest -= (a - b) + * @returns dest + */ +CGLM_INLINE +ivec2s +glms_ivec2_(subsub)(ivec2s a, ivec2s b, ivec2s dest) { + glm_ivec2_subsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief subtract scalar [s] from vector [a] and subtract result from [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @param[in] dest dest -= (a - s) + * @returns dest + */ +CGLM_INLINE +ivec2s +glms_ivec2_(subsubs)(ivec2s a, int s, ivec2s dest) { + glm_ivec2_subsubs(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief add vector [a] to vector [b] and subtract the result from [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a vector + * @param[in] b scalar + * @param[in] dest dest -= (a + b) + * @returns dest + */ +CGLM_INLINE +ivec2s +glms_ivec2_(addsub)(ivec2s a, ivec2s b, ivec2s dest) { + glm_ivec2_addsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief add scalar [s] to vector [a] and subtract the result from [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @param[in] dest dest -= (a + b) + * @returns dest + */ +CGLM_INLINE +ivec2s +glms_ivec2_(addsubs)(ivec2s a, int s, ivec2s dest) { + glm_ivec2_addsubs(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief multiply vector [a] and vector [b] and subtract the result from [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a vector + * @param[in] b scalar + * @param[in] dest dest -= (a * b) + * @returns dest + */ +CGLM_INLINE +ivec2s +glms_ivec2_(mulsub)(ivec2s a, ivec2s b, ivec2s dest) { + glm_ivec2_mulsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief multiply vector [a] with scalar [s] and subtract the result from [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @param[in] dest dest -= (a * s) + * @returns dest + */ +CGLM_INLINE +ivec2s +glms_ivec2_(mulsubs)(ivec2s a, int s, ivec2s dest) { + glm_ivec2_mulsubs(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief subtract maximum of vector [a] and vector [b] from vector [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest -= max(a, b) + * @returns dest + */ +CGLM_INLINE +ivec2s +glms_ivec2_(maxsub)(ivec2s a, ivec2s b, ivec2s dest) { + glm_ivec2_maxsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief subtract minimum of vector [a] and vector [b] from vector [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest -= min(a, b) + * @returns dest + */ +CGLM_INLINE +ivec2s +glms_ivec2_(minsub)(ivec2s a, ivec2s b, ivec2s dest) { + glm_ivec2_minsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief squared distance between two vectors + * + * @param[in] a first vector + * @param[in] b second vector + * @return returns squared distance (distance * distance) + */ +CGLM_INLINE +int +glms_ivec2_(distance2)(ivec2s a, ivec2s b) { + return glm_ivec2_distance2(a.raw, b.raw); +} + +/*! + * @brief distance between two vectors + * + * @param[in] a first vector + * @param[in] b second vector + * @return returns distance + */ +CGLM_INLINE +float +glms_ivec2_(distance)(ivec2s a, ivec2s b) { + return glm_ivec2_distance(a.raw, b.raw); +} + +/*! + * @brief fill a vector with specified value + * + * @param[in] val value + * @returns dest + */ +CGLM_INLINE +ivec2s +glms_ivec2_(fill)(int val) { + ivec2s r; + glm_ivec2_fill(r.raw, val); + return r; +} + +/*! + * @brief check if vector is equal to value + * + * @param[in] v vector + * @param[in] val value + */ +CGLM_INLINE +bool +glms_ivec2_(eq)(ivec2s v, int val) { + return glm_ivec2_eq(v.raw, val); +} + +/*! + * @brief check if vector is equal to another + * + * @param[in] a vector + * @param[in] b vector + */ +CGLM_INLINE +bool +glms_ivec2_(eqv)(ivec2s a, ivec2s b) { + return glm_ivec2_eqv(a.raw, b.raw); +} + +/*! + * @brief set each member of dest to greater of vector a and b + * + * @param[in] a first vector + * @param[in] b second vector + * @returns destination + */ +CGLM_INLINE +ivec2s +glms_ivec2_(maxv)(ivec2s a, ivec2s b) { + ivec2s r; + glm_ivec2_maxv(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief set each member of dest to lesser of vector a and b + * + * @param[in] a first vector + * @param[in] b second vector + * @returns destination + */ +CGLM_INLINE +ivec2s +glms_ivec2_(minv)(ivec2s a, ivec2s b) { + ivec2s r; + glm_ivec2_minv(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief clamp each member of [v] between minVal and maxVal (inclusive) + * + * @param[in] v vector + * @param[in] minVal minimum value + * @param[in] maxVal maximum value + * @returns clamped vector + */ +CGLM_INLINE +ivec2s +glms_ivec2_(clamp)(ivec2s v, int minVal, int maxVal) { + glm_ivec2_clamp(v.raw, minVal, maxVal); + return v; +} + +/*! + * @brief absolute value of v + * + * @param[in] v vector + * @returns destination + */ +CGLM_INLINE +ivec2s +glms_ivec2_(abs)(ivec2s v) { + ivec2s r; + glm_ivec2_abs(v.raw, r.raw); + return r; +} + +#endif /* cglms_ivec2_h */ diff --git a/include/cglm/struct/ivec3.h b/include/cglm/struct/ivec3.h new file mode 100644 index 0000000..c2c5f3b --- /dev/null +++ b/include/cglm/struct/ivec3.h @@ -0,0 +1,725 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Macros: + GLMS_IVEC3_ONE_INIT + GLMS_IVEC3_ZERO_INIT + GLMS_IVEC3_ONE + GLMS_IVEC3_ZERO + + Functions: + CGLM_INLINE ivec3s glms_ivec3(ivec4s v4) + CGLM_INLINE void glms_ivec3_pack(ivec3s dst[], ivec3 src[], size_t len) + CGLM_INLINE void glms_ivec3_unpack(ivec3 dst[], ivec3s src[], size_t len) + CGLM_INLINE ivec3s glms_ivec3_zero(void) + CGLM_INLINE ivec3s glms_ivec3_one(void) + CGLM_INLINE int glms_ivec3_dot(ivec3s a, ivec3s b) + CGLM_INLINE int glms_ivec3_norm2(ivec3s v) + CGLM_INLINE int glms_ivec3_norm(ivec3s v) + CGLM_INLINE ivec3s glms_ivec3_add(ivec3s a, ivec3s b) + CGLM_INLINE ivec3s glms_ivec3_adds(ivec3s v, int s) + CGLM_INLINE ivec3s glms_ivec3_sub(ivec3s a, ivec3s b) + CGLM_INLINE ivec3s glms_ivec3_subs(ivec3s v, int s) + CGLM_INLINE ivec3s glms_ivec3_mul(ivec3s a, ivec3s b) + CGLM_INLINE ivec3s glms_ivec3_scale(ivec3s v, int s) + CGLM_INLINE ivec3s glms_ivec3_div(ivec3s a, ivec3s b) + CGLM_INLINE ivec3s glms_ivec3_divs(ivec3s v, int s) + CGLM_INLINE ivec3s glms_ivec3_mod(ivec3s a, ivec3s b) + CGLM_INLINE ivec3s glms_ivec3_addadd(ivec3s a, ivec3s b, ivec3s dest) + CGLM_INLINE ivec3s glms_ivec3_addadds(ivec3s a, int s, ivec3s dest) + CGLM_INLINE ivec3s glms_ivec3_subadd(ivec3s a, ivec3s b, ivec3s dest) + CGLM_INLINE ivec3s glms_ivec3_subadds(ivec3s a, int s, ivec3s dest) + CGLM_INLINE ivec3s glms_ivec3_muladd(ivec3s a, ivec3s b, ivec3s dest) + CGLM_INLINE ivec3s glms_ivec3_muladds(ivec3s a, int s, ivec3s dest) + CGLM_INLINE ivec3s glms_ivec3_minadd(ivec3s a, ivec3s b, ivec3s dest) + CGLM_INLINE ivec3s glms_ivec3_subsub(ivec3s a, ivec3s b, ivec3s dest) + CGLM_INLINE ivec3s glms_ivec3_subsubs(ivec3s a, int s, ivec3s dest) + CGLM_INLINE ivec3s glms_ivec3_addsub(ivec3s a, ivec3s b, ivec3s dest) + CGLM_INLINE ivec3s glms_ivec3_addsubs(ivec3s a, int s, ivec3s dest) + CGLM_INLINE ivec3s glms_ivec3_mulsub(ivec3s a, ivec3s b, ivec3s dest) + CGLM_INLINE ivec3s glms_ivec3_mulsubs(ivec3s a, int s, ivec3s dest) + CGLM_INLINE ivec3s glms_ivec3_maxsub(ivec3s a, ivec3s b, ivec3s dest) + CGLM_INLINE ivec3s glms_ivec3_minsub(ivec3s a, ivec3s b, ivec3s dest) + CGLM_INLINE int glms_ivec3_distance2(ivec3s a, ivec3s b) + CGLM_INLINE float glms_ivec3_distance(ivec3s a, ivec3s b) + CGLM_INLINE ivec3s glms_ivec3_fill(int val) + CGLM_INLINE bool glms_ivec3_eq(ivec3s v, int val) + CGLM_INLINE bool glms_ivec3_eqv(ivec3s a, ivec3s b) + CGLM_INLINE ivec3s glms_ivec3_maxv(ivec3s a, ivec3s b) + CGLM_INLINE ivec3s glms_ivec3_minv(ivec3s a, ivec3s b) + CGLM_INLINE ivec3s glms_ivec3_clamp(ivec3s v, int minVal, int maxVal) + CGLM_INLINE ivec3s glms_ivec3_abs(ivec3s v) + */ + +#ifndef cglms_ivec3_h +#define cglms_ivec3_h + +#include "../common.h" +#include "../types-struct.h" +#include "../ivec3.h" + +#define glms_ivec3_(NAME) CGLM_STRUCTAPI(ivec3, NAME) + +#define GLMS_IVEC3_ONE_INIT {GLM_IVEC3_ONE_INIT} +#define GLMS_IVEC3_ZERO_INIT {GLM_IVEC3_ZERO_INIT} + +#define GLMS_IVEC3_ONE ((ivec3s)GLMS_IVEC3_ONE_INIT) +#define GLMS_IVEC3_ZERO ((ivec3s)GLMS_IVEC3_ZERO_INIT) + +/*! + * @brief init ivec3 using ivec4 + * + * @param[in] v4 vector4 + * @returns destination + */ +CGLM_INLINE +ivec3s +glms_ivec3(ivec4s v4) { + ivec3s r; + glm_ivec3(v4.raw, r.raw); + return r; +} + +/*! + * @brief pack an array of ivec3 into an array of ivec3s + * + * @param[out] dst array of ivec3s + * @param[in] src array of ivec3 + * @param[in] len number of elements + */ +CGLM_INLINE +void +glms_ivec3_(pack)(ivec3s dst[], ivec3 src[], size_t len) { + size_t i; + + for (i = 0; i < len; i++) { + glm_ivec3_copy(src[i], dst[i].raw); + } +} + +/*! + * @brief unpack an array of ivec3s into an array of ivec3 + * + * @param[out] dst array of ivec3 + * @param[in] src array of ivec3s + * @param[in] len number of elements + */ +CGLM_INLINE +void +glms_ivec3_(unpack)(ivec3 dst[], ivec3s src[], size_t len) { + size_t i; + + for (i = 0; i < len; i++) { + glm_ivec3_copy(src[i].raw, dst[i]); + } +} + +/*! + * @brief set all members of [v] to zero + * + * @returns vector + */ +CGLM_INLINE +ivec3s +glms_ivec3_(zero)(void) { + ivec3s r; + glm_ivec3_zero(r.raw); + return r; +} + +/*! + * @brief set all members of [v] to one + * + * @returns vector + */ +CGLM_INLINE +ivec3s +glms_ivec3_(one)(void) { + ivec3s r; + glm_ivec3_one(r.raw); + return r; +} + +/*! + * @brief ivec3 dot product + * + * @param[in] a vector1 + * @param[in] b vector2 + * + * @return dot product + */ +CGLM_INLINE +int +glms_ivec3_(dot)(ivec3s a, ivec3s b) { + return glm_ivec3_dot(a.raw, b.raw); +} + +/*! + * @brief norm * norm (magnitude) of vec + * + * we can use this func instead of calling norm * norm, because it would call + * sqrtf function twice but with this func we can avoid func call, maybe this is + * not good name for this func + * + * @param[in] v vector + * + * @return norm * norm + */ +CGLM_INLINE +int +glms_ivec3_(norm2)(ivec3s v) { + return glm_ivec3_norm2(v.raw); +} + +/*! + * @brief euclidean norm (magnitude), also called L2 norm + * this will give magnitude of vector in euclidean space + * + * @param[in] v vector + * + * @return norm + */ +CGLM_INLINE +int +glms_ivec3_(norm)(ivec3s v) { + return glm_ivec3_norm(v.raw); +} + +/*! + * @brief add vector [a] to vector [b] and store result in [dest] + * + * @param[in] a first vector + * @param[in] b second vector + * @returns destination + */ +CGLM_INLINE +ivec3s +glms_ivec3_(add)(ivec3s a, ivec3s b) { + ivec3s r; + glm_ivec3_add(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief add scalar s to vector [v] and store result in [dest] + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination + */ +CGLM_INLINE +ivec3s +glms_ivec3_(adds)(ivec3s v, int s) { + ivec3s r; + glm_ivec3_adds(v.raw, s, r.raw); + return r; +} + +/*! + * @brief subtract vector [b] from vector [a] and store result in [dest] + * + * @param[in] a first vector + * @param[in] b second vector + * @returns destination + */ +CGLM_INLINE +ivec3s +glms_ivec3_(sub)(ivec3s a, ivec3s b) { + ivec3s r; + glm_ivec3_sub(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief subtract scalar s from vector [v] and store result in [dest] + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination + */ +CGLM_INLINE +ivec3s +glms_ivec3_(subs)(ivec3s v, int s) { + ivec3s r; + glm_ivec3_subs(v.raw, s, r.raw); + return r; +} + +/*! + * @brief multiply vector [a] with vector [b] and store result in [dest] + * + * @param[in] a first vector + * @param[in] b second vector + * @returns destination + */ +CGLM_INLINE +ivec3s +glms_ivec3_(mul)(ivec3s a, ivec3s b) { + ivec3s r; + glm_ivec3_mul(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief multiply vector [a] with scalar s and store result in [dest] + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination + */ +CGLM_INLINE +ivec3s +glms_ivec3_(scale)(ivec3s v, int s) { + ivec3s r; + glm_ivec3_scale(v.raw, s, r.raw); + return r; +} + +/*! + * @brief div vector with another component-wise division: d = a / b + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns result = (a[0]/b[0], a[1]/b[1], a[2]/b[2]) + */ +CGLM_INLINE +ivec3s +glms_ivec3_(div)(ivec3s a, ivec3s b) { + ivec3s r; + glm_ivec3_div(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief div vector with scalar: d = v / s + * + * @param[in] v vector + * @param[in] s scalar + * @returns result = (a[0]/s, a[1]/s, a[2]/s) + */ +CGLM_INLINE +ivec3s +glms_ivec3_(divs)(ivec3s v, int s) { + ivec3s r; + glm_ivec3_divs(v.raw, s, r.raw); + return r; +} + +/*! + * @brief Element-wise modulo operation on ivec3 vectors: dest = a % b + * + * Performs element-wise modulo on each component of vectors `a` and `b`. + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns result = (a[0]%b[0], a[1]%b[1], a[2]%b[2]) + */ +CGLM_INLINE +ivec3s +glms_ivec3_(mod)(ivec3s a, ivec3s b) { + ivec3s r; + glm_ivec3_mod(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief add vector [a] with vector [b] and add result to vector [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest += (a + b) + * @returns dest + */ +CGLM_INLINE +ivec3s +glms_ivec3_(addadd)(ivec3s a, ivec3s b, ivec3s dest) { + glm_ivec3_addadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief add scalar [s] onto vector [a] and add result to vector [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @param[in] dest dest += (a + s) + * @returns dest + */ +CGLM_INLINE +ivec3s +glms_ivec3_(addadds)(ivec3s a, int s, ivec3s dest) { + glm_ivec3_addadds(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief subtract vector [a] from vector [b] and add result to [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest += (a - b) + * @returns dest + */ +CGLM_INLINE +ivec3s +glms_ivec3_(subadd)(ivec3s a, ivec3s b, ivec3s dest) { + glm_ivec3_subadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief subtract scalar [s] from vector [a] and add result to [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first + * @param[in] s scalar + * @param[in] dest dest += (a - s) + * @returns dest + */ +CGLM_INLINE +ivec3s +glms_ivec3_(subadds)(ivec3s a, int s, ivec3s dest) { + glm_ivec3_subadds(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief multiply vector [a] with vector [b] and add result to [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest += (a * b) + * @returns dest + */ +CGLM_INLINE +ivec3s +glms_ivec3_(muladd)(ivec3s a, ivec3s b, ivec3s dest) { + glm_ivec3_muladd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief multiply vector [a] with scalar [s] and add result to [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @param[in] dest dest += (a * s) + * @returns dest + */ +CGLM_INLINE +ivec3s +glms_ivec3_(muladds)(ivec3s a, int s, ivec3s dest) { + glm_ivec3_muladds(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief add maximum of vector [a] and vector [b] to vector [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest += max(a, b) + * @returns dest + */ +CGLM_INLINE +ivec3s +glms_ivec3_(maxadd)(ivec3s a, ivec3s b, ivec3s dest) { + glm_ivec3_maxadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief add minimum of vector [a] and vector [b] to vector [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest += min(a, b) + * @returns dest + */ +CGLM_INLINE +ivec3s +glms_ivec3_(minadd)(ivec3s a, ivec3s b, ivec3s dest) { + glm_ivec3_minadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief subtract vector [a] from vector [b] and subtract result from [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest -= (a - b) + * @returns dest + */ +CGLM_INLINE +ivec3s +glms_ivec3_(subsub)(ivec3s a, ivec3s b, ivec3s dest) { + glm_ivec3_subsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief subtract scalar [s] from vector [a] and subtract result from [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @param[in] dest dest -= (a - s) + * @returns dest + */ +CGLM_INLINE +ivec3s +glms_ivec3_(subsubs)(ivec3s a, int s, ivec3s dest) { + glm_ivec3_subsubs(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief add vector [a] to vector [b] and subtract the result from [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a vector + * @param[in] b scalar + * @param[in] dest dest -= (a + b) + * @returns dest + */ +CGLM_INLINE +ivec3s +glms_ivec3_(addsub)(ivec3s a, ivec3s b, ivec3s dest) { + glm_ivec3_addsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief add scalar [s] to vector [a] and subtract the result from [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @param[in] dest dest -= (a + b) + * @returns dest + */ +CGLM_INLINE +ivec3s +glms_ivec3_(addsubs)(ivec3s a, int s, ivec3s dest) { + glm_ivec3_addsubs(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief multiply vector [a] and vector [b] and subtract the result from [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a vector + * @param[in] b scalar + * @param[in] dest dest -= (a * b) + * @returns dest + */ +CGLM_INLINE +ivec3s +glms_ivec3_(mulsub)(ivec3s a, ivec3s b, ivec3s dest) { + glm_ivec3_mulsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief multiply vector [a] with scalar [s] and subtract the result from [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @param[in] dest dest -= (a * s) + * @returns dest + */ +CGLM_INLINE +ivec3s +glms_ivec3_(mulsubs)(ivec3s a, int s, ivec3s dest) { + glm_ivec3_mulsubs(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief subtract maximum of vector [a] and vector [b] from vector [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest -= max(a, b) + * @returns dest + */ +CGLM_INLINE +ivec3s +glms_ivec3_(maxsub)(ivec3s a, ivec3s b, ivec3s dest) { + glm_ivec3_maxsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief subtract minimum of vector [a] and vector [b] from vector [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest -= min(a, b) + * @returns dest + */ +CGLM_INLINE +ivec3s +glms_ivec3_(minsub)(ivec3s a, ivec3s b, ivec3s dest) { + glm_ivec3_minsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief squared distance between two vectors + * + * @param[in] a first vector + * @param[in] b second vector + * @return returns squared distance (distance * distance) + */ +CGLM_INLINE +int +glms_ivec3_(distance2)(ivec3s a, ivec3s b) { + return glm_ivec3_distance2(a.raw, b.raw); +} + +/*! + * @brief distance between two vectors + * + * @param[in] a first vector + * @param[in] b second vector + * @return returns distance + */ +CGLM_INLINE +float +glms_ivec3_(distance)(ivec3s a, ivec3s b) { + return glm_ivec3_distance(a.raw, b.raw); +} + +/*! + * @brief fill a vector with specified value + * + * @param[in] val value + * @returns destination + */ +CGLM_INLINE +ivec3s +glms_ivec3_(fill)(int val) { + ivec3s r; + glm_ivec3_fill(r.raw, val); + return r; +} + +/*! + * @brief check if vector is equal to value + * + * @param[in] v vector + * @param[in] val value + */ +CGLM_INLINE +bool +glms_ivec3_(eq)(ivec3s v, int val) { + return glm_ivec3_eq(v.raw, val); +} + +/*! + * @brief check if vector is equal to another + * + * @param[in] a vector + * @param[in] b vector + */ +CGLM_INLINE +bool +glms_ivec3_(eqv)(ivec3s a, ivec3s b) { + return glm_ivec3_eqv(a.raw, b.raw); +} + +/*! + * @brief set each member of dest to greater of vector a and b + * + * @param[in] a first vector + * @param[in] b second vector + * @returns destination + */ +CGLM_INLINE +ivec3s +glms_ivec3_(maxv)(ivec3s a, ivec3s b) { + ivec3s r; + glm_ivec3_maxv(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief set each member of dest to lesser of vector a and b + * + * @param[in] a first vector + * @param[in] b second vector + * @returns destination + */ +CGLM_INLINE +ivec3s +glms_ivec3_(minv)(ivec3s a, ivec3s b) { + ivec3s r; + glm_ivec3_minv(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief clamp each member of [v] between minVal and maxVal (inclusive) + * + * @param[in] v vector + * @param[in] minVal minimum value + * @param[in] maxVal maximum value + * @returns clamped vector + */ +CGLM_INLINE +ivec3s +glms_ivec3_(clamp)(ivec3s v, int minVal, int maxVal) { + glm_ivec3_clamp(v.raw, minVal, maxVal); + return v; +} + +/*! + * @brief absolute value of v + * + * @param[in] v vector + * @returns destination + */ +CGLM_INLINE +ivec3s +glms_ivec3_(abs)(ivec3s v) { + ivec3s r; + glm_ivec3_abs(v.raw, r.raw); + return r; +} + +#endif /* cglms_ivec3_h */ diff --git a/include/cglm/struct/ivec4.h b/include/cglm/struct/ivec4.h new file mode 100644 index 0000000..103e887 --- /dev/null +++ b/include/cglm/struct/ivec4.h @@ -0,0 +1,588 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Macros: + GLMS_IVEC4_ONE_INIT + GLMS_IVEC4_ZERO_INIT + GLMS_IVEC4_ONE + GLMS_IVEC4_ZERO + + Functions: + CGLM_INLINE ivec4s glms_ivec4(ivec3s v3, int last) + CGLM_INLINE void glms_ivec4_pack(ivec4s dst[], ivec4 src[], size_t len) + CGLM_INLINE void glms_ivec4_unpack(ivec4 dst[], ivec4s src[], size_t len) + CGLM_INLINE ivec4s glms_ivec4_zero(void) + CGLM_INLINE ivec4s glms_ivec4_one(void) + CGLM_INLINE ivec4s glms_ivec4_add(ivec4s a, ivec4s b) + CGLM_INLINE ivec4s glms_ivec4_adds(ivec4s v, int s) + CGLM_INLINE ivec4s glms_ivec4_sub(ivec4s a, ivec4s b) + CGLM_INLINE ivec4s glms_ivec4_subs(ivec4s v, int s) + CGLM_INLINE ivec4s glms_ivec4_mul(ivec4s a, ivec4s b) + CGLM_INLINE ivec4s glms_ivec4_scale(ivec4s v, int s) + CGLM_INLINE ivec4s glms_ivec4_addadd(ivec4s a, ivec4s b, ivec4s dest) + CGLM_INLINE ivec4s glms_ivec4_addadds(ivec4s a, int s, ivec4s dest) + CGLM_INLINE ivec4s glms_ivec4_subadd(ivec4s a, ivec4s b, ivec4s dest) + CGLM_INLINE ivec4s glms_ivec4_subadds(ivec4s a, int s, ivec4s dest) + CGLM_INLINE ivec4s glms_ivec4_muladd(ivec4s a, ivec4s b, ivec4s dest) + CGLM_INLINE ivec4s glms_ivec4_muladds(ivec4s a, int s, ivec4s dest) + CGLM_INLINE ivec4s glms_ivec4_maxadd(ivec4s a, ivec4s b, ivec4s dest) + CGLM_INLINE ivec4s glms_ivec4_minadd(ivec4s a, ivec4s b, ivec4s dest) + CGLM_INLINE ivec4s glms_ivec4_subsub(ivec4s a, ivec4s b, ivec4s dest) + CGLM_INLINE ivec4s glms_ivec4_subsubs(ivec4s a, int s, ivec4s dest) + CGLM_INLINE ivec4s glms_ivec4_addsub(ivec4s a, ivec4s b, ivec4s dest) + CGLM_INLINE ivec4s glms_ivec4_addsubs(ivec4s a, int s, ivec4s dest) + CGLM_INLINE ivec4s glms_ivec4_mulsub(ivec4s a, ivec4s b, ivec4s dest) + CGLM_INLINE ivec4s glms_ivec4_mulsubs(ivec4s a, int s, ivec4s dest) + CGLM_INLINE ivec4s glms_ivec4_maxsub(ivec4s a, ivec4s b, ivec4s dest) + CGLM_INLINE ivec4s glms_ivec4_minsub(ivec4s a, ivec4s b, ivec4s dest) + CGLM_INLINE int glms_ivec4_distance2(ivec4s a, ivec4s b) + CGLM_INLINE float glms_ivec4_distance(ivec4s a, ivec4s b) + CGLM_INLINE ivec4s glms_ivec4_maxv(ivec4s a, ivec4s b) + CGLM_INLINE ivec4s glms_ivec4_minv(ivec4s a, ivec4s b) + CGLM_INLINE ivec4s glms_ivec4_clamp(ivec4s v, int minVal, int maxVal) + CGLM_INLINE ivec4s glms_ivec4_abs(ivec4s v) + */ + +#ifndef cglms_ivec4_h +#define cglms_ivec4_h + +#include "../common.h" +#include "../types-struct.h" +#include "../ivec4.h" + +#define glms_ivec4_(NAME) CGLM_STRUCTAPI(ivec4, NAME) + +#define GLMS_IVEC4_ONE_INIT {GLM_IVEC4_ONE_INIT} +#define GLMS_IVEC4_ZERO_INIT {GLM_IVEC4_ZERO_INIT} + +#define GLMS_IVEC4_ONE ((ivec4s)GLMS_IVEC4_ONE_INIT) +#define GLMS_IVEC4_ZERO ((ivec4s)GLMS_IVEC4_ZERO_INIT) + +/*! + * @brief init ivec4 using ivec3 + * + * @param[in] v3 vector3 + * @param[in] last last item + * @returns destination + */ +CGLM_INLINE +ivec4s +glms_ivec4(ivec3s v3, int last) { + ivec4s r; + glm_ivec4(v3.raw, last, r.raw); + return r; +} + +/*! + * @brief pack an array of ivec4 into an array of ivec4s + * + * @param[out] dst array of ivec4s + * @param[in] src array of ivec4 + * @param[in] len number of elements + */ +CGLM_INLINE +void +glms_ivec4_(pack)(ivec4s dst[], ivec4 src[], size_t len) { + size_t i; + + for (i = 0; i < len; i++) { + glm_ivec4_copy(src[i], dst[i].raw); + } +} + +/*! + * @brief unpack an array of ivec4s into an array of ivec4 + * + * @param[out] dst array of ivec4 + * @param[in] src array of ivec4s + * @param[in] len number of elements + */ +CGLM_INLINE +void +glms_ivec4_(unpack)(ivec4 dst[], ivec4s src[], size_t len) { + size_t i; + + for (i = 0; i < len; i++) { + glm_ivec4_copy(src[i].raw, dst[i]); + } +} + +/*! + * @brief set all members of [v] to zero + * + * @returns vector + */ +CGLM_INLINE +ivec4s +glms_ivec4_(zero)(void) { + ivec4s r; + glm_ivec4_zero(r.raw); + return r; +} + +/*! + * @brief set all members of [v] to one + * + * @returns vector + */ +CGLM_INLINE +ivec4s +glms_ivec4_(one)(void) { + ivec4s r; + glm_ivec4_one(r.raw); + return r; +} + +/*! + * @brief add vector [a] to vector [b] and store result in [dest] + * + * @param[in] a first vector + * @param[in] b second vector + * @returns destination + */ +CGLM_INLINE +ivec4s +glms_ivec4_(add)(ivec4s a, ivec4s b) { + ivec4s r; + glm_ivec4_add(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief add scalar s to vector [v] and store result in [dest] + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination + */ +CGLM_INLINE +ivec4s +glms_ivec4_(adds)(ivec4s v, int s) { + ivec4s r; + glm_ivec4_adds(v.raw, s, r.raw); + return r; +} + +/*! + * @brief subtract vector [b] from vector [a] and store result in [dest] + * + * @param[in] a first vector + * @param[in] b second vector + * @returns destination + */ +CGLM_INLINE +ivec4s +glms_ivec4_(sub)(ivec4s a, ivec4s b) { + ivec4s r; + glm_ivec4_sub(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief subtract scalar s from vector [v] and store result in [dest] + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination + */ +CGLM_INLINE +ivec4s +glms_ivec4_(subs)(ivec4s v, int s) { + ivec4s r; + glm_ivec4_subs(v.raw, s, r.raw); + return r; +} + +/*! + * @brief multiply vector [a] with vector [b] and store result in [dest] + * + * @param[in] a first vector + * @param[in] b second vector + * @returns destination + */ +CGLM_INLINE +ivec4s +glms_ivec4_(mul)(ivec4s a, ivec4s b) { + ivec4s r; + glm_ivec4_mul(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief multiply vector [a] with scalar s and store result in [dest] + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination + */ +CGLM_INLINE +ivec4s +glms_ivec4_(scale)(ivec4s v, int s) { + ivec4s r; + glm_ivec4_scale(v.raw, s, r.raw); + return r; +} + +/*! + * @brief add vector [a] with vector [b] and add result to vector [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest += (a + b) + * @returns dest + */ +CGLM_INLINE +ivec4s +glms_ivec4_(addadd)(ivec4s a, ivec4s b, ivec4s dest) { + glm_ivec4_addadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief add scalar [s] onto vector [a] and add result to vector [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @param[in] dest dest += (a + s) + * @returns dest + */ +CGLM_INLINE +ivec4s +glms_ivec4_(addadds)(ivec4s a, int s, ivec4s dest) { + glm_ivec4_addadds(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief subtract vector [a] from vector [b] and add result to [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest += (a - b) + * @returns dest + */ +CGLM_INLINE +ivec4s +glms_ivec4_(subadd)(ivec4s a, ivec4s b, ivec4s dest) { + glm_ivec4_subadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief subtract scalar [s] from vector [a] and add result to [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first + * @param[in] s scalar + * @param[in] dest dest += (a - s) + * @returns dest + */ +CGLM_INLINE +ivec4s +glms_ivec4_(subadds)(ivec4s a, int s, ivec4s dest) { + glm_ivec4_subadds(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief multiply vector [a] with vector [b] and add result to [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest += (a * b) + * @returns dest + */ +CGLM_INLINE +ivec4s +glms_ivec4_(muladd)(ivec4s a, ivec4s b, ivec4s dest) { + glm_ivec4_muladd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief multiply vector [a] with scalar [s] and add result to [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @param[in] dest dest += (a * s) + * @returns dest + */ +CGLM_INLINE +ivec4s +glms_ivec4_(muladds)(ivec4s a, int s, ivec4s dest) { + glm_ivec4_muladds(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief add maximum of vector [a] and vector [b] to vector [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest += max(a, b) + * @returns dest + */ +CGLM_INLINE +ivec4s +glms_ivec4_(maxadd)(ivec4s a, ivec4s b, ivec4s dest) { + glm_ivec4_maxadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief add minimum of vector [a] and vector [b] to vector [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest += min(a, b) + * @returns dest + */ +CGLM_INLINE +ivec4s +glms_ivec4_(minadd)(ivec4s a, ivec4s b, ivec4s dest) { + glm_ivec4_minadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief subtract vector [a] from vector [b] and subtract result from [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest -= (a - b) + * @returns dest + */ +CGLM_INLINE +ivec4s +glms_ivec4_(subsub)(ivec4s a, ivec4s b, ivec4s dest) { + glm_ivec4_subsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief subtract scalar [s] from vector [a] and subtract result from [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @param[in] dest dest -= (a - s) + * @returns dest + */ +CGLM_INLINE +ivec4s +glms_ivec4_(subsubs)(ivec4s a, int s, ivec4s dest) { + glm_ivec4_subsubs(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief add vector [a] to vector [b] and subtract the result from [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a vector + * @param[in] b scalar + * @param[in] dest dest -= (a + b) + * @returns dest + */ +CGLM_INLINE +ivec4s +glms_ivec4_(addsub)(ivec4s a, ivec4s b, ivec4s dest) { + glm_ivec4_addsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief add scalar [s] to vector [a] and subtract the result from [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @param[in] dest dest -= (a + b) + * @returns dest + */ +CGLM_INLINE +ivec4s +glms_ivec4_(addsubs)(ivec4s a, int s, ivec4s dest) { + glm_ivec4_addsubs(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief multiply vector [a] and vector [b] and subtract the result from [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a vector + * @param[in] b scalar + * @param[in] dest dest -= (a * b) + * @returns dest + */ +CGLM_INLINE +ivec4s +glms_ivec4_(mulsub)(ivec4s a, ivec4s b, ivec4s dest) { + glm_ivec4_mulsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief multiply vector [a] with scalar [s] and subtract the result from [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @param[in] dest dest -= (a * s) + * @returns dest + */ +CGLM_INLINE +ivec4s +glms_ivec4_(mulsubs)(ivec4s a, int s, ivec4s dest) { + glm_ivec4_mulsubs(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief subtract maximum of vector [a] and vector [b] from vector [dest] + * + * applies += operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest -= max(a, b) + * @returns dest + */ +CGLM_INLINE +ivec4s +glms_ivec4_(maxsub)(ivec4s a, ivec4s b, ivec4s dest) { + glm_ivec4_maxsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief subtract minimum of vector [a] and vector [b] from vector [dest] + * + * applies -= operator so dest must be initialized + * + * @param[in] a first vector + * @param[in] b second vector + * @param[in] dest dest -= min(a, b) + * @returns dest + */ +CGLM_INLINE +ivec4s +glms_ivec4_(minsub)(ivec4s a, ivec4s b, ivec4s dest) { + glm_ivec4_minsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief squared distance between two vectors + * + * @param[in] a first vector + * @param[in] b second vector + * @return returns squared distance (distance * distance) + */ +CGLM_INLINE +int +glms_ivec4_(distance2)(ivec4s a, ivec4s b) { + return glm_ivec4_distance2(a.raw, b.raw); +} + +/*! + * @brief distance between two vectors + * + * @param[in] a first vector + * @param[in] b second vector + * @return returns distance + */ +CGLM_INLINE +float +glms_ivec4_(distance)(ivec4s a, ivec4s b) { + return glm_ivec4_distance(a.raw, b.raw); +} + +/*! + * @brief set each member of dest to greater of vector a and b + * + * @param[in] a first vector + * @param[in] b second vector + * @returns destination + */ +CGLM_INLINE +ivec4s +glms_ivec4_(maxv)(ivec4s a, ivec4s b) { + ivec4s r; + glm_ivec4_maxv(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief set each member of dest to lesser of vector a and b + * + * @param[in] a first vector + * @param[in] b second vector + * @returns destination + */ +CGLM_INLINE +ivec4s +glms_ivec4_(minv)(ivec4s a, ivec4s b) { + ivec4s r; + glm_ivec4_minv(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief clamp each member of [v] between minVal and maxVal (inclusive) + * + * @param[in] v vector + * @param[in] minVal minimum value + * @param[in] maxVal maximum value + * @returns clamped vector + */ +CGLM_INLINE +ivec4s +glms_ivec4_(clamp)(ivec4s v, int minVal, int maxVal) { + glm_ivec4_clamp(v.raw, minVal, maxVal); + return v; +} + +/*! + * @brief absolute value of v + * + * @param[in] v vector + * @returns destination + */ +CGLM_INLINE +ivec4s +glms_ivec4_(abs)(ivec4s v) { + ivec4s r; + glm_ivec4_abs(v.raw, r.raw); + return r; +} + +#endif /* cglms_ivec4_h */ diff --git a/include/cglm/struct/mat2.h b/include/cglm/struct/mat2.h new file mode 100644 index 0000000..915c1be --- /dev/null +++ b/include/cglm/struct/mat2.h @@ -0,0 +1,274 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Macros: + GLM_MAT2_IDENTITY_INIT + GLM_MAT2_ZERO_INIT + GLM_MAT2_IDENTITY + GLM_MAT2_ZERO + + Functions: + CGLM_INLINE mat2s glms_mat2_make(const float * __restrict src); + CGLM_INLINE mat2s glms_mat2_identity(void) + CGLM_INLINE void glms_mat2_identity_array(mat2 * restrict mats, size_t count) + CGLM_INLINE mat2s glms_mat2_zero(void) + CGLM_INLINE mat2s glms_mat2_mul(mat2 m1, mat2 m2) + CGLM_INLINE vec2s glms_mat2_mulv(mat2 m, vec2 v) + CGLM_INLINE mat2s glms_mat2_transpose(mat2 m) + CGLM_INLINE mat2s glms_mat2_scale(mat2 m, float s) + CGLM_INLINE mat2s glms_mat2_inv(mat2 m) + CGLM_INLINE mat2s glms_mat2_swap_col(mat2 mat, int col1, int col2) + CGLM_INLINE mat2s glms_mat2_swap_row(mat2 mat, int row1, int row2) + CGLM_INLINE float glms_mat2_det(mat2 m) + CGLM_INLINE float glms_mat2_trace(mat2 m) + CGLM_INLINE float glms_mat2_rmc(vec2 r, mat2 m, vec2 c) + */ + +#ifndef cglms_mat2_h +#define cglms_mat2_h + +#include "../common.h" +#include "../types-struct.h" +#include "../mat2.h" + +/* api definition */ +#define glms_mat2_(NAME) CGLM_STRUCTAPI(mat2, NAME) + +#define GLMS_MAT2_IDENTITY_INIT {GLM_MAT2_IDENTITY_INIT} +#define GLMS_MAT2_ZERO_INIT {GLM_MAT2_ZERO_INIT} + +/* for C only */ +#define GLMS_MAT2_IDENTITY ((mat2s)GLMS_MAT2_IDENTITY_INIT) +#define GLMS_MAT2_ZERO ((mat2s)GLMS_MAT2_ZERO_INIT) + +/*! + * @brief Returns mat2s (r) from pointer (src). + * + * @param[in] src pointer to an array of floats + * @return[out] r constructed mat2s from raw pointer + */ +CGLM_INLINE +mat2s +glms_mat2_(make)(const float * __restrict src) { + mat2s r; + glm_mat2_make(src, r.raw); + return r; +} + +/*! + * @brief Return a identity mat2s (r). + * + * The same thing may be achieved with either of bellow methods, + * but it is more easy to do that with this func especially for members + * e.g. glm_mat2_identity(aStruct->aMatrix); + * + * @code + * glm_mat2_copy(GLM_MAT2_IDENTITY, mat); // C only + * + * // or + * mat2 mat = GLM_MAT2_IDENTITY_INIT; + * @endcode + * + * @return[out] r constructed mat2s from raw pointer + */ +CGLM_INLINE +mat2s +glms_mat2_(identity)(void) { + mat2s r; + glm_mat2_identity(r.raw); + return r; +} + +/*! + * @brief Given an array of mat2s’s (mats) make each matrix an identity matrix. + * + * @param[in, out] mats Array of mat2s’s (must be aligned (16/32) if alignment is not disabled) + * @param[in] count Array size of mats or number of matrices + */ +CGLM_INLINE +void +glms_mat2_(identity_array)(mat2s * __restrict mats, size_t count) { + CGLM_ALIGN_MAT mat2s t = GLMS_MAT2_IDENTITY_INIT; + size_t i; + + for (i = 0; i < count; i++) { + glm_mat2_copy(t.raw, mats[i].raw); + } +} + +/*! + * @brief Return zero'd out mat2 (r). + * + * @return[out] r constructed mat2s from raw pointer + */ +CGLM_INLINE +mat2s +glms_mat2_(zero)(void) { + mat2s r; + glm_mat2_zero(r.raw); + return r; +} + +/*! + * @brief Multiply mat2 (m1) by mat2 (m2) and return in mat2s (r) + * + * m1 and m2 matrices can be the same matrix, it is possible to write this: + * + * @code + * mat2 m = GLM_MAT2_IDENTITY_INIT; + * mat2s r = glms_mat2_mul(m, m); + * @endcode + * + * @param[in] m1 mat2s (left) + * @param[in] m2 mat2s (right) + * @return[out] r constructed mat2s from raw pointers + */ +CGLM_INLINE +mat2s +glms_mat2_(mul)(mat2s m1, mat2s m2) { + mat2s r; + glm_mat2_mul(m1.raw, m2.raw, r.raw); + return r; +} + +/* + * @brief Multiply mat2s (m) by vec2s (v) and return in vec2s (r). + * + * @param[in] m mat2s (left) + * @param[in] v vec2s (right, column vector) + * @return[out] r constructed vec2s from raw pointers + */ +CGLM_INLINE +vec2s +glms_mat2_(mulv)(mat2s m, vec2s v) { + vec2s r; + glm_mat2_mulv(m.raw, v.raw, r.raw); + return r; +} + +/*! + * @brief Transpose mat2s (m) and store result in the same matrix. + * + * @param[in] m mat2s (src) + * @return[out] m constructed mat2s from raw pointers + */ +CGLM_INLINE +mat2s +glms_mat2_(transpose)(mat2s m) { + glm_mat2_transpose(m.raw); + return m; +} + +/*! + * @brief Multiply mat2s (m) by scalar constant (s) + * + * @param[in] m mat2s (src) + * @param[in] s scalar value + * @return[out] m constructed mat2s from raw pointers + */ +CGLM_INLINE +mat2s +glms_mat2_(scale)(mat2s m, float s) { + glm_mat2_scale(m.raw, s); + return m; +} + +/*! + * @brief Inverse mat2s (m) and return in mat2s (r). + * + * @param[in] m mat2s (left, src) + * @return[out] r constructed mat2s from raw pointers + */ +CGLM_INLINE +mat2s +glms_mat2_(inv)(mat2s m) { + mat2s r; + glm_mat2_inv(m.raw, r.raw); + return r; +} + +/*! + * @brief Swap two columns in mat2s (mat) and store in same matrix. + * + * @param[in] mat mat2s + * @param[in] col1 column 1 array index + * @param[in] col2 column 2 array index + * @return[out] mat constructed mat2s from raw pointers columns swapped + */ +CGLM_INLINE +mat2s +glms_mat2_(swap_col)(mat2s mat, int col1, int col2) { + glm_mat2_swap_col(mat.raw, col1, col2); + return mat; +} + +/*! + * @brief Swap two rows in mat2s (mat) and store in same matrix. + * + * @param[in] mat mat2s + * @param[in] row1 row 1 array index + * @param[in] row2 row 2 array index + * @return[out] mat constructed mat2s from raw pointers rows swapped + */ +CGLM_INLINE +mat2s +glms_mat2_(swap_row)(mat2s mat, int row1, int row2) { + glm_mat2_swap_row(mat.raw, row1, row2); + return mat; +} + +/*! + * @brief Returns mat2 determinant. + * + * @param[in] m mat2 (src) + * + * @return[out] mat2s raw pointers determinant (float) + */ +CGLM_INLINE +float +glms_mat2_(det)(mat2s m) { + return glm_mat2_det(m.raw); +} + +/*! + * @brief Returns trace of matrix. Which is: + * + * The sum of the elements on the main diagonal from + * upper left corner to the bottom right corner. + * + * @param[in] m mat2 (m) + * + * @return[out] mat2s raw pointers trace (float) + */ +CGLM_INLINE +float +glms_mat2_(trace)(mat2s m) { + return glm_mat2_trace(m.raw); +} + +/*! + * @brief Helper for R (row vector) * M (matrix) * C (column vector) + * + * rmc stands for Row * Matrix * Column + * + * the result is scalar because M * C = ResC (1x2, column vector), + * then if you take the dot_product(R (2x1), ResC (1x2)) = scalar value. + * + * @param[in] r vec2s (2x1, row vector) + * @param[in] m mat2s (2x2, matrix) + * @param[in] c vec2s (1x2, column vector) + * + * @return[out] Scalar value (float, 1x1) + */ +CGLM_INLINE +float +glms_mat2_(rmc)(vec2s r, mat2s m, vec2s c) { + return glm_mat2_rmc(r.raw, m.raw, c.raw); +} + +#endif /* cglms_mat2_h */ diff --git a/include/cglm/struct/mat2x3.h b/include/cglm/struct/mat2x3.h new file mode 100644 index 0000000..5b061ba --- /dev/null +++ b/include/cglm/struct/mat2x3.h @@ -0,0 +1,125 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Macros: + GLMS_MAT2X3_ZERO_INIT + GLMS_MAT2X3_ZERO + + Functions: + CGLM_INLINE mat2x3s glms_mat2x3_zero(void); + CGLM_INLINE mat2x3s glms_mat2x3_make(const float * __restrict src); + CGLM_INLINE mat2s glms_mat2x3_mul(mat2x3s m1, mat3x2s m2); + CGLM_INLINE vec3s glms_mat2x3_mulv(mat2x3s m, vec2s v); + CGLM_INLINE mat3x2s glms_mat2x3_transpose(mat2x3s m); + CGLM_INLINE mat2x3s glms_mat2x3_scale(mat2x3s m, float s); + */ + +#ifndef cglms_mat2x3_h +#define cglms_mat2x3_h + +#include "../common.h" +#include "../types-struct.h" +#include "../mat2x3.h" + +/* api definition */ +#define glms_mat2x3_(NAME) CGLM_STRUCTAPI(mat2x3, NAME) + +#define GLMS_MAT2X3_ZERO_INIT {GLM_MAT2X3_ZERO_INIT} + +/* for C only */ +#define GLMS_MAT2X3_ZERO ((mat2x3s)GLMS_MAT2X3_ZERO_INIT) + +/*! + * @brief Zero out the mat2x3s (dest). + * + * @return[out] dest constructed mat2x3s from raw pointer + */ +CGLM_INLINE +mat2x3s +glms_mat2x3_(zero)(void) { + mat2x3s dest; + glm_mat2x3_zero(dest.raw); + return dest; +} + +/*! + * @brief Create mat2x3s (dest) from pointer (src). + * + * @param[in] src pointer to an array of floats + * @return[out] dest constructed mat2x3s from raw pointer + */ +CGLM_INLINE +mat2x3s +glms_mat2x3_(make)(const float * __restrict src) { + mat2x3s dest; + glm_mat2x3_make(src, dest.raw); + return dest; +} + +/*! + * @brief Multiply mat2x3s (m1) by mat3x2s (m2) and store in mat3s (dest). + * + * @code + * r = glms_mat2x3_mul(mat2x3s, mat3x2s); + * @endcode + * + * @param[in] m1 mat2x3s (left) + * @param[in] m2 mat3x2s (right) + * @return[out] dest constructed mat3s from raw pointers + */ +CGLM_INLINE +mat3s +glms_mat2x3_(mul)(mat2x3s m1, mat3x2s m2) { + mat3s dest; + glm_mat2x3_mul(m1.raw, m2.raw, dest.raw); + return dest; +} + +/*! + * @brief Multiply mat2x3s (m) by vec2s (v) and store in vec3s (dest). + * + * @param[in] m mat2x3s (left) + * @param[in] v vec2s (right, column vector) + * @return[out] dest constructed vec3s from raw pointers + */ +CGLM_INLINE +vec3s +glms_mat2x3_(mulv)(mat2x3s m, vec2s v) { + vec3s dest; + glm_mat2x3_mulv(m.raw, v.raw, dest.raw); + return dest; +} + +/*! + * @brief Transpose mat2x3s (m) and store in mat3x2s (dest). + * + * @param[in] m mat2x3s (left) + * @return[out] dest constructed mat3x2s from raw pointers + */ +CGLM_INLINE +mat3x2s +glms_mat2x3_(transpose)(mat2x3s m) { + mat3x2s dest; + glm_mat2x3_transpose(m.raw, dest.raw); + return dest; +} + +/*! + * @brief Multiply mat2x3s (m) by scalar constant (s). + * + * @param[in, out] m mat2x3 (src, dest) + * @param[in] s float (scalar) + */ +CGLM_INLINE +mat2x3s +glms_mat2x3_(scale)(mat2x3s m, float s) { + glm_mat2x3_scale(m.raw, s); + return m; +} + +#endif /* cglms_mat2x3_h */ diff --git a/include/cglm/struct/mat2x4.h b/include/cglm/struct/mat2x4.h new file mode 100644 index 0000000..7e3e75a --- /dev/null +++ b/include/cglm/struct/mat2x4.h @@ -0,0 +1,125 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Macros: + GLMS_MAT2X4_ZERO_INIT + GLMS_MAT2X4_ZERO + + Functions: + CGLM_INLINE mat2x4s glms_mat2x4_zero(void); + CGLM_INLINE mat2x4s glms_mat2x4_make(const float * __restrict src); + CGLM_INLINE mat2s glms_mat2x4_mul(mat2x4s m1, mat4x2s m2); + CGLM_INLINE vec4s glms_mat2x4_mulv(mat2x4s m, vec2s v); + CGLM_INLINE mat4x2s glms_mat2x4_transpose(mat2x4s m); + CGLM_INLINE mat2x4s glms_mat2x4_scale(mat2x4s m, float s); + */ + +#ifndef cglms_mat2x4_h +#define cglms_mat2x4_h + +#include "../common.h" +#include "../types-struct.h" +#include "../mat2x4.h" + +/* api definition */ +#define glms_mat2x4_(NAME) CGLM_STRUCTAPI(mat2x4, NAME) + +#define GLMS_MAT2X4_ZERO_INIT {GLM_MAT2X4_ZERO_INIT} + +/* for C only */ +#define GLMS_MAT2X4_ZERO ((mat2x4s)GLMS_MAT2X4_ZERO_INIT) + +/*! + * @brief Zero out the mat2x4s (dest). + * + * @return[out] dest constructed mat2x4s from raw pointer + */ +CGLM_INLINE +mat2x4s +glms_mat2x4_(zero)(void) { + mat2x4s dest; + glm_mat2x4_zero(dest.raw); + return dest; +} + +/*! + * @brief Create mat2x4s (dest) from pointer (src). + * + * @param[in] src pointer to an array of floats + * @return[out] dest constructed mat2x4s from raw pointer + */ +CGLM_INLINE +mat2x4s +glms_mat2x4_(make)(const float * __restrict src) { + mat2x4s dest; + glm_mat2x4_make(src, dest.raw); + return dest; +} + +/*! + * @brief Multiply mat2x4s (m1) by mat4x2s (m2) and store in mat4s (dest). + * + * @code + * r = glms_mat2x4_mul(mat2x4s, mat4x2s); + * @endcode + * + * @param[in] m1 mat2x4s (left) + * @param[in] m2 mat4x2s (right) + * @return[out] dest constructed mat4s from raw pointers + */ +CGLM_INLINE +mat4s +glms_mat2x4_(mul)(mat2x4s m1, mat4x2s m2) { + mat4s dest; + glm_mat2x4_mul(m1.raw, m2.raw, dest.raw); + return dest; +} + +/*! + * @brief Multiply mat2x4s (m) by vec2s (v) and store in vec4s (dest). + * + * @param[in] m mat2x4s (left) + * @param[in] v vec2s (right, column vector) + * @return[out] dest constructed vec4s from raw pointers + */ +CGLM_INLINE +vec4s +glms_mat2x4_(mulv)(mat2x4s m, vec2s v) { + vec4s dest; + glm_mat2x4_mulv(m.raw, v.raw, dest.raw); + return dest; +} + +/*! + * @brief Transpose mat2x4s (m) and store in mat4x2s (dest). + * + * @param[in] m mat2x4s (left) + * @return[out] dest constructed mat4x2s from raw pointers + */ +CGLM_INLINE +mat4x2s +glms_mat2x4_(transpose)(mat2x4s m) { + mat4x2s dest; + glm_mat2x4_transpose(m.raw, dest.raw); + return dest; +} + +/*! + * @brief Multiply mat2x4s (m) by scalar constant (s). + * + * @param[in, out] m mat2x4s (src, dest) + * @param[in] s float (scalar) + */ +CGLM_INLINE +mat2x4s +glms_mat2x4_(scale)(mat2x4s m, float s) { + glm_mat2x4_scale(m.raw, s); + return m; +} + +#endif /* cglms_mat2x4_h */ diff --git a/include/cglm/struct/mat3.h b/include/cglm/struct/mat3.h new file mode 100644 index 0000000..2fae073 --- /dev/null +++ b/include/cglm/struct/mat3.h @@ -0,0 +1,322 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Macros: + GLMS_MAT3_IDENTITY_INIT + GLMS_MAT3_ZERO_INIT + GLMS_MAT3_IDENTITY + GLMS_MAT3_ZERO + + Functions: + CGLM_INLINE mat3s glms_mat3_copy(mat3s mat); + CGLM_INLINE mat3s glms_mat3_identity(void); + CGLM_INLINE void glms_mat3_identity_array(mat3s * __restrict mat, size_t count); + CGLM_INLINE mat3s glms_mat3_zero(void); + CGLM_INLINE mat3s glms_mat3_mul(mat3s m1, mat3s m2); + CGLM_INLINE ma3s glms_mat3_transpose(mat3s m); + CGLM_INLINE vec3s glms_mat3_mulv(mat3s m, vec3s v); + CGLM_INLINE float glms_mat3_trace(mat3s m); + CGLM_INLINE versor glms_mat3_quat(mat3s m); + CGLM_INLINE mat3s glms_mat3_scale(mat3s m, float s); + CGLM_INLINE float glms_mat3_det(mat3s mat); + CGLM_INLINE mat3s glms_mat3_inv(mat3s mat); + CGLM_INLINE mat3s glms_mat3_swap_col(mat3s mat, int col1, int col2); + CGLM_INLINE mat3s glms_mat3_swap_row(mat3s mat, int row1, int row2); + CGLM_INLINE float glms_mat3_rmc(vec3s r, mat3s m, vec3s c); + CGLM_INLINE mat3s glms_mat3_make(const float * __restrict src); + CGLM_INLINE mat3s glms_mat3_textrans(float sx, float sy, float rot, float tx, float ty); + */ + +#ifndef cglms_mat3s_h +#define cglms_mat3s_h + +#include "../common.h" +#include "../types-struct.h" +#include "../mat3.h" +#include "vec3.h" + +/* api definition */ +#define glms_mat3_(NAME) CGLM_STRUCTAPI(mat3, NAME) + +#define GLMS_MAT3_IDENTITY_INIT {GLM_MAT3_IDENTITY_INIT} +#define GLMS_MAT3_ZERO_INIT {GLM_MAT3_ZERO_INIT} + +/* for C only */ +#define GLMS_MAT3_IDENTITY ((mat3s)GLMS_MAT3_IDENTITY_INIT) +#define GLMS_MAT3_ZERO ((mat3s)GLMS_MAT3_ZERO_INIT) + +/*! + * @brief copy all members of [mat] to [dest] + * + * @param[in] mat source + * @returns destination + */ +CGLM_INLINE +mat3s +glms_mat3_(copy)(mat3s mat) { + mat3s r; + glm_mat3_copy(mat.raw, r.raw); + return r; +} + +/*! + * @brief make given matrix identity. It is identical with below, + * but it is more easy to do that with this func especially for members + * e.g. glm_mat3_identity(aStruct->aMatrix); + * + * @code + * glm_mat3_copy(GLM_MAT3_IDENTITY, mat); // C only + * + * // or + * mat3 mat = GLM_MAT3_IDENTITY_INIT; + * @endcode + * + * @returns destination + */ +CGLM_INLINE +mat3s +glms_mat3_(identity)(void) { + mat3s r; + glm_mat3_identity(r.raw); + return r; +} + +/*! + * @brief make given matrix array's each element identity matrix + * + * @param[in, out] mat matrix array (must be aligned (16/32) + * if alignment is not disabled) + * + * @param[in] count count of matrices + */ +CGLM_INLINE +void +glms_mat3_(identity_array)(mat3s * __restrict mat, size_t count) { + CGLM_ALIGN_MAT mat3s t = GLMS_MAT3_IDENTITY_INIT; + size_t i; + + for (i = 0; i < count; i++) { + glm_mat3_copy(t.raw, mat[i].raw); + } +} + +/*! + * @brief make given matrix zero. + * + * @returns matrix + */ +CGLM_INLINE +mat3s +glms_mat3_(zero)(void) { + mat3s r; + glm_mat3_zero(r.raw); + return r; +} + +/*! + * @brief multiply m1 and m2 to dest + * + * m1, m2 and dest matrices can be same matrix, it is possible to write this: + * + * @code + * mat3 m = GLM_MAT3_IDENTITY_INIT; + * r = glms_mat3_mul(m, m); + * @endcode + * + * @param[in] m1 left matrix + * @param[in] m2 right matrix + * @returns destination matrix + */ +CGLM_INLINE +mat3s +glms_mat3_(mul)(mat3s m1, mat3s m2) { + mat3s r; + glm_mat3_mul(m1.raw, m2.raw, r.raw); + return r; +} + +/*! + * @brief transpose mat3 and store result in same matrix + * + * @param[in, out] m source and dest + */ +CGLM_INLINE +mat3s +glms_mat3_(transpose)(mat3s m) { + glm_mat3_transpose(m.raw); + return m; +} + +/*! + * @brief multiply mat3 with vec3 (column vector) and store in dest vector + * + * @param[in] m mat3 (left) + * @param[in] v vec3 (right, column vector) + * @returns vec3 (result, column vector) + */ +CGLM_INLINE +vec3s +glms_mat3_(mulv)(mat3s m, vec3s v) { + vec3s r; + glm_mat3_mulv(m.raw, v.raw, r.raw); + return r; +} + +/*! + * @brief trace of matrix + * + * sum of the elements on the main diagonal from upper left to the lower right + * + * @param[in] m matrix + */ +CGLM_INLINE +float +glms_mat3_(trace)(mat3s m) { + return glm_mat3_trace(m.raw); +} + +/*! + * @brief convert mat3 to quaternion + * + * @param[in] m rotation matrix + * @returns destination quaternion + */ +CGLM_INLINE +versors +glms_mat3_(quat)(mat3s m) { + versors r; + glm_mat3_quat(m.raw, r.raw); + return r; +} + +/*! + * @brief scale (multiply with scalar) matrix + * + * multiply matrix with scalar + * + * @param[in] m matrix + * @param[in] s scalar + * @returns scaled matrix + */ +CGLM_INLINE +mat3s +glms_mat3_(scale)(mat3s m, float s) { + glm_mat3_scale(m.raw, s); + return m; +} + +/*! + * @brief mat3 determinant + * + * @param[in] mat matrix + * + * @return determinant + */ +CGLM_INLINE +float +glms_mat3_(det)(mat3s mat) { + return glm_mat3_det(mat.raw); +} + +/*! + * @brief inverse mat3 and store in dest + * + * @param[in] mat matrix + * @returns inverse matrix + */ +CGLM_INLINE +mat3s +glms_mat3_(inv)(mat3s mat) { + mat3s r; + glm_mat3_inv(mat.raw, r.raw); + return r; +} + +/*! + * @brief swap two matrix columns + * + * @param[in] mat matrix + * @param[in] col1 col1 + * @param[in] col2 col2 + * @returns matrix + */ +CGLM_INLINE +mat3s +glms_mat3_(swap_col)(mat3s mat, int col1, int col2) { + glm_mat3_swap_col(mat.raw, col1, col2); + return mat; +} + +/*! + * @brief swap two matrix rows + * + * @param[in] mat matrix + * @param[in] row1 row1 + * @param[in] row2 row2 + * @returns matrix + */ +CGLM_INLINE +mat3s +glms_mat3_(swap_row)(mat3s mat, int row1, int row2) { + glm_mat3_swap_row(mat.raw, row1, row2); + return mat; +} + +/*! + * @brief helper for R (row vector) * M (matrix) * C (column vector) + * + * rmc stands for Row * Matrix * Column + * + * the result is scalar because R * M = Matrix1x3 (row vector), + * then Matrix1x3 * Vec3 (column vector) = Matrix1x1 (Scalar) + * + * @param[in] r row vector or matrix1x3 + * @param[in] m matrix3x3 + * @param[in] c column vector or matrix3x1 + * + * @return scalar value e.g. Matrix1x1 + */ +CGLM_INLINE +float +glms_mat3_(rmc)(vec3s r, mat3s m, vec3s c) { + return glm_mat3_rmc(r.raw, m.raw, c.raw); +} + +/*! + * @brief Create mat3 matrix from pointer + * + * @param[in] src pointer to an array of floats + * @return constructed matrix from raw pointer + */ +CGLM_INLINE +mat3s +glms_mat3_(make)(const float * __restrict src) { + mat3s r; + glm_mat3_make(src, r.raw); + return r; +} + +/*! + * @brief Create mat3 matrix from texture transform parameters + * + * @param[in] sx scale x + * @param[in] sy scale y + * @param[in] rot rotation in radians CCW/RH + * @param[in] tx translate x + * @param[in] ty translate y + * @return texture transform matrix + */ +CGLM_INLINE +mat3s +glms_mat3_(textrans)(float sx, float sy, float rot, float tx, float ty) { + mat3s r; + glm_mat3_textrans(sx, sy, rot, tx, ty, r.raw); + return r; +} + +#endif /* cglms_mat3s_h */ diff --git a/include/cglm/struct/mat3x2.h b/include/cglm/struct/mat3x2.h new file mode 100644 index 0000000..ab2d388 --- /dev/null +++ b/include/cglm/struct/mat3x2.h @@ -0,0 +1,125 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Macros: + GLMS_MAT3X2_ZERO_INIT + GLMS_MAT3X2_ZERO + + Functions: + CGLM_INLINE mat3x2s glms_mat3x2_zero(void); + CGLM_INLINE mat3x2s glms_mat3x2_make(const float * __restrict src); + CGLM_INLINE mat2s glms_mat3x2_mul(mat3x2s m1, mat2x3s m2); + CGLM_INLINE vec2s glms_mat3x2_mulv(mat3x2s m, vec3s v); + CGLM_INLINE mat2x3s glms_mat3x2_transpose(mat3x2s m); + CGLM_INLINE mat3x2s glms_mat3x2_scale(mat3x2s m, float s); + */ + +#ifndef cglms_mat3x2_h +#define cglms_mat3x2_h + +#include "../common.h" +#include "../types-struct.h" +#include "../mat3x2.h" + +/* api definition */ +#define glms_mat3x2_(NAME) CGLM_STRUCTAPI(mat3x2, NAME) + +#define GLMS_MAT3X2_ZERO_INIT {GLM_MAT3X2_ZERO_INIT} + +/* for C only */ +#define GLMS_MAT3X2_ZERO ((mat3x2s)GLMS_MAT3X2_ZERO_INIT) + +/*! + * @brief Zero out the mat3x2s (dest). + * + * @return[out] dest constructed mat3x2s from raw pointer + */ +CGLM_INLINE +mat3x2s +glms_mat3x2_(zero)(void) { + mat3x2s dest; + glm_mat3x2_zero(dest.raw); + return dest; +} + +/*! + * @brief Create mat3x2s (dest) from pointer (src). + * + * @param[in] src pointer to an array of floats + * @return[out] dest constructed mat3x2s from raw pointer + */ +CGLM_INLINE +mat3x2s +glms_mat3x2_(make)(const float * __restrict src) { + mat3x2s dest; + glm_mat3x2_make(src, dest.raw); + return dest; +} + +/*! + * @brief Multiply mat3x2s (m1) by mat2x3s (m2) and store in mat2s (dest). + * + * @code + * r = glms_mat3x2_mul(mat3x2s, mat2x3s); + * @endcode + * + * @param[in] m1 mat3x2s (left) + * @param[in] m2 mat2x3s (right) + * @return[out] dest constructed mat2s from raw pointers + */ +CGLM_INLINE +mat2s +glms_mat3x2_(mul)(mat3x2s m1, mat2x3s m2) { + mat2s dest; + glm_mat3x2_mul(m1.raw, m2.raw, dest.raw); + return dest; +} + +/*! + * @brief Multiply mat3x2s (m) by vec3s (v) and store in vec2s (dest). + * + * @param[in] m mat3x2s (left) + * @param[in] v vec3s (right, column vector) + * @return[out] dest constructed vec2s from raw pointers + */ +CGLM_INLINE +vec2s +glms_mat3x2_(mulv)(mat3x2s m, vec3s v) { + vec2s dest; + glm_mat3x2_mulv(m.raw, v.raw, dest.raw); + return dest; +} + +/*! + * @brief Transpose mat3x2s (m) and store in mat2x3s (dest). + * + * @param[in] m mat3x2s (left) + * @return[out] dest constructed mat2x3s from raw pointers + */ +CGLM_INLINE +mat2x3s +glms_mat3x2_(transpose)(mat3x2s m) { + mat2x3s dest; + glm_mat3x2_transpose(m.raw, dest.raw); + return dest; +} + +/*! + * @brief Multiply mat3x2s (m) by scalar constant (s). + * + * @param[in, out] m mat3x2s (src, dest) + * @param[in] s float (scalar) + */ +CGLM_INLINE +mat3x2s +glms_mat3x2_(scale)(mat3x2s m, float s) { + glm_mat3x2_scale(m.raw, s); + return m; +} + +#endif /* cglms_mat3x2_h */ diff --git a/include/cglm/struct/mat3x4.h b/include/cglm/struct/mat3x4.h new file mode 100644 index 0000000..436b36c --- /dev/null +++ b/include/cglm/struct/mat3x4.h @@ -0,0 +1,125 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Macros: + GLMS_MAT3X4_ZERO_INIT + GLMS_MAT3X4_ZERO + + Functions: + CGLM_INLINE mat3x4s glms_mat3x4_zero(void); + CGLM_INLINE mat3x4s glms_mat3x4_make(const float * __restrict src); + CGLM_INLINE mat4s glms_mat3x4_mul(mat3x4s m1, mat4x3s m2); + CGLM_INLINE vec4s glms_mat3x4_mulv(mat3x4s m, vec3s v); + CGLM_INLINE mat4x3s glms_mat3x4_transpose(mat3x4s m); + CGLM_INLINE mat3x4s glms_mat3x4_scale(mat3x4s m, float s); + */ + +#ifndef cglms_mat3x4_h +#define cglms_mat3x4_h + +#include "../common.h" +#include "../types-struct.h" +#include "../mat3x4.h" + +/* api definition */ +#define glms_mat3x4_(NAME) CGLM_STRUCTAPI(mat3x4, NAME) + +#define GLMS_MAT3X4_ZERO_INIT {GLM_MAT3X4_ZERO_INIT} + +/* for C only */ +#define GLMS_MAT3X4_ZERO ((mat3x4s)GLMS_MAT3X4_ZERO_INIT) + +/*! + * @brief Zero out the mat3x4s (dest). + * + * @return[out] dest constructed mat3x4s from raw pointer + */ +CGLM_INLINE +mat3x4s +glms_mat3x4_(zero)(void) { + mat3x4s dest; + glm_mat3x4_zero(dest.raw); + return dest; +} + +/*! + * @brief Create mat3x4s (dest) from pointer (src). + * + * @param[in] src pointer to an array of floats + * @return[out] dest constructed mat3x4s from raw pointer + */ +CGLM_INLINE +mat3x4s +glms_mat3x4_(make)(const float * __restrict src) { + mat3x4s dest; + glm_mat3x4_make(src, dest.raw); + return dest; +} + +/*! + * @brief Multiply mat3x4s (m1) by mat4x3s (m2) and store in mat4s (dest). + * + * @code + * r = glms_mat3x4_mul(mat3x4s, mat4x3s); + * @endcode + * + * @param[in] m1 mat3x4s (left) + * @param[in] m2 mat4x3s (right) + * @return[out] dest constructed mat4s from raw pointers + */ +CGLM_INLINE +mat4s +glms_mat3x4_(mul)(mat3x4s m1, mat4x3s m2) { + mat4s dest; + glm_mat3x4_mul(m1.raw, m2.raw, dest.raw); + return dest; +} + +/*! + * @brief Multiply mat3x4s (m) by vec3s (v) and store in vec4s (dest). + * + * @param[in] m mat3x4s (left) + * @param[in] v vec3s (right, column vector) + * @return[out] dest constructed vec4s from raw pointers + */ +CGLM_INLINE +vec4s +glms_mat3x4_(mulv)(mat3x4s m, vec3s v) { + vec4s dest; + glm_mat3x4_mulv(m.raw, v.raw, dest.raw); + return dest; +} + +/*! + * @brief Transpose mat3x4s (m) and store in mat4x3s (dest). + * + * @param[in] m mat3x4s (left) + * @return[out] dest constructed mat4x3s from raw pointers + */ +CGLM_INLINE +mat4x3s +glms_mat3x4_(transpose)(mat3x4s m) { + mat4x3s dest; + glm_mat3x4_transpose(m.raw, dest.raw); + return dest; +} + +/*! + * @brief Multiply mat3x4s (m) by scalar constant (s). + * + * @param[in, out] m mat3x4s (src, dest) + * @param[in] s float (scalar) + */ +CGLM_INLINE +mat3x4s +glms_mat3x4_(scale)(mat3x4s m, float s) { + glm_mat3x4_scale(m.raw, s); + return m; +} + +#endif /* cglms_mat3x4_h */ diff --git a/include/cglm/struct/mat4.h b/include/cglm/struct/mat4.h new file mode 100644 index 0000000..663a5fd --- /dev/null +++ b/include/cglm/struct/mat4.h @@ -0,0 +1,496 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/*! + * Most of functions in this header are optimized manually with SIMD + * if available. You dont need to call/incude SIMD headers manually + */ + +/* + Macros: + GLMS_MAT4_IDENTITY_INIT + GLMS_MAT4_ZERO_INIT + GLMS_MAT4_IDENTITY + GLMS_MAT4_ZERO + + Functions: + CGLM_INLINE mat4s glms_mat4_ucopy(mat4s mat); + CGLM_INLINE mat4s glms_mat4_copy(mat4s mat); + CGLM_INLINE mat4s glms_mat4_identity(void); + CGLM_INLINE void glms_mat4_identity_array(mat4s * __restrict mat, size_t count); + CGLM_INLINE mat4s glms_mat4_zero(void); + CGLM_INLINE mat3s glms_mat4_pick3(mat4s mat); + CGLM_INLINE mat3s glms_mat4_pick3t(mat4s mat); + CGLM_INLINE mat4s glms_mat4_ins3(mat3s mat, mat4s dest); + CGLM_INLINE mat4s glms_mat4_mul(mat4s m1, mat4s m2); + CGLM_INLINE mat4s glms_mat4_mulN(mat4s * __restrict matrices[], uint32_t len); + CGLM_INLINE vec4s glms_mat4_mulv(mat4s m, vec4s v); + CGLM_INLINE float glms_mat4_trace(mat4s m); + CGLM_INLINE float glms_mat4_trace3(mat4s m); + CGLM_INLINE versors glms_mat4_quat(mat4s m); + CGLM_INLINE vec3s glms_mat4_mulv3(mat4s m, vec3s v, float last); + CGLM_INLINE mat4s glms_mat4_transpose(mat4s m); + CGLM_INLINE mat4s glms_mat4_scale_p(mat4s m, float s); + CGLM_INLINE mat4s glms_mat4_scale(mat4s m, float s); + CGLM_INLINE float glms_mat4_det(mat4s mat); + CGLM_INLINE mat4s glms_mat4_inv(mat4s mat); + CGLM_INLINE mat4s glms_mat4_inv_fast(mat4s mat); + CGLM_INLINE mat4s glms_mat4_swap_col(mat4s mat, int col1, int col2); + CGLM_INLINE mat4s glms_mat4_swap_row(mat4s mat, int row1, int row2); + CGLM_INLINE float glms_mat4_rmc(vec4s r, mat4s m, vec4s c); + CGLM_INLINE mat4s glms_mat4_make(const float * __restrict src); + CGLM_INLINE mat4s glms_mat4_textrans(float sx, float sy, float rot, float tx, float ty); + */ + +#ifndef cglms_mat4s_h +#define cglms_mat4s_h + +#include "../common.h" +#include "../types-struct.h" +#include "../mat4.h" +#include "vec4.h" +#include "vec3.h" + +/* api definition */ +#define glms_mat4_(NAME) CGLM_STRUCTAPI(mat4, NAME) + +#define GLMS_MAT4_IDENTITY_INIT {GLM_MAT4_IDENTITY_INIT} +#define GLMS_MAT4_ZERO_INIT {GLM_MAT4_ZERO_INIT} + +/* for C only */ +#define GLMS_MAT4_IDENTITY ((mat4s)GLMS_MAT4_IDENTITY_INIT) +#define GLMS_MAT4_ZERO ((mat4s)GLMS_MAT4_ZERO_INIT) + +/*! + * @brief copy all members of [mat] to [dest] + * + * matrix may not be aligned, u stands for unaligned, this may be useful when + * copying a matrix from external source e.g. asset importer... + * + * @param[in] mat source + * @returns destination + */ +CGLM_INLINE +mat4s +glms_mat4_(ucopy)(mat4s mat) { + mat4s r; + glm_mat4_ucopy(mat.raw, r.raw); + return r; +} + +/*! + * @brief copy all members of [mat] to [dest] + * + * @param[in] mat source + * @returns destination + */ +CGLM_INLINE +mat4s +glms_mat4_(copy)(mat4s mat) { + mat4s r; + glm_mat4_copy(mat.raw, r.raw); + return r; +} + +/*! + * @brief make given matrix identity. It is identical with below, + * but it is more easy to do that with this func especially for members + * e.g. glm_mat4_identity(aStruct->aMatrix); + * + * @code + * glm_mat4_copy(GLM_MAT4_IDENTITY, mat); // C only + * + * // or + * mat4 mat = GLM_MAT4_IDENTITY_INIT; + * @endcode + * + * @returns destination + */ +CGLM_INLINE +mat4s +glms_mat4_(identity)(void) { + mat4s r; + glm_mat4_identity(r.raw); + return r; +} + +/*! + * @brief make given matrix array's each element identity matrix + * + * @param[in, out] mat matrix array (must be aligned (16/32) + * if alignment is not disabled) + * + * @param[in] count count of matrices + */ +CGLM_INLINE +void +glms_mat4_(identity_array)(mat4s * __restrict mat, size_t count) { + CGLM_ALIGN_MAT mat4s t = GLMS_MAT4_IDENTITY_INIT; + size_t i; + + for (i = 0; i < count; i++) { + glm_mat4_copy(t.raw, mat[i].raw); + } +} + +/*! + * @brief make given matrix zero. + * + * @returns matrix + */ +CGLM_INLINE +mat4s +glms_mat4_(zero)(void) { + mat4s r; + glm_mat4_zero(r.raw); + return r; +} + +/*! + * @brief copy upper-left of mat4 to mat3 + * + * @param[in] mat source + * @returns destination + */ +CGLM_INLINE +mat3s +glms_mat4_(pick3)(mat4s mat) { + mat3s r; + glm_mat4_pick3(mat.raw, r.raw); + return r; +} + +/*! + * @brief copy upper-left of mat4 to mat3 (transposed) + * + * the postfix t stands for transpose + * + * @param[in] mat source + * @returns destination + */ +CGLM_INLINE +mat3s +glms_mat4_(pick3t)(mat4s mat) { + mat3s r; + glm_mat4_pick3t(mat.raw, r.raw); + return r; +} + +/*! + * @brief copy mat3 to mat4's upper-left + * + * @param[in] mat source + * @param[in] dest destination + * @returns destination + */ +CGLM_INLINE +mat4s +glms_mat4_(ins3)(mat3s mat, mat4s dest) { + glm_mat4_ins3(mat.raw, dest.raw); + return dest; +} + +/*! + * @brief multiply m1 and m2 to dest + * + * m1, m2 and dest matrices can be same matrix, it is possible to write this: + * + * @code + * mat4 m = GLM_MAT4_IDENTITY_INIT; + * r = glms_mat4_mul(m, m); + * @endcode + * + * @param[in] m1 left matrix + * @param[in] m2 right matrix + * @returns destination matrix + */ +CGLM_INLINE +mat4s +glms_mat4_(mul)(mat4s m1, mat4s m2) { + mat4s r; + glm_mat4_mul(m1.raw, m2.raw, r.raw); + return r; +} + +/*! + * @brief mupliply N mat4 matrices and store result in dest + * + * this function lets you multiply multiple (more than two or more...) matrices + * <br><br>multiplication will be done in loop, this may reduce instructions + * size but if <b>len</b> is too small then compiler may unroll whole loop, + * usage: + * @code + * mat4 m1, m2, m3, m4, res; + * + * res = glm_mat4_mulN((mat4 *[]){&m1, &m2, &m3, &m4}, 4); + * @endcode + * + * @warning matrices parameter is pointer array not mat4 array! + * + * @param[in] matrices mat4 * array + * @param[in] len matrices count + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_mat4_(mulN)(mat4s * __restrict matrices[], uint32_t len) { + CGLM_ALIGN_MAT mat4s r = GLMS_MAT4_IDENTITY_INIT; + size_t i; + + for (i = 0; i < len; i++) { + r = glms_mat4_(mul)(r, *matrices[i]); + } + + return r; +} + +/*! + * @brief multiply mat4 with vec4 (column vector) and store in dest vector + * + * @param[in] m mat4 (left) + * @param[in] v vec4 (right, column vector) + * @returns vec4 (result, column vector) + */ +CGLM_INLINE +vec4s +glms_mat4_(mulv)(mat4s m, vec4s v) { + vec4s r; + glm_mat4_mulv(m.raw, v.raw, r.raw); + return r; +} + +/*! + * @brief trace of matrix + * + * sum of the elements on the main diagonal from upper left to the lower right + * + * @param[in] m matrix + */ +CGLM_INLINE +float +glms_mat4_(trace)(mat4s m) { + return glm_mat4_trace(m.raw); +} + +/*! + * @brief trace of matrix (rotation part) + * + * sum of the elements on the main diagonal from upper left to the lower right + * + * @param[in] m matrix + */ +CGLM_INLINE +float +glms_mat4_(trace3)(mat4s m) { + return glm_mat4_trace3(m.raw); +} + +/*! + * @brief convert mat4's rotation part to quaternion + * + * @param[in] m affine matrix + * @returns destination quaternion + */ +CGLM_INLINE +versors +glms_mat4_(quat)(mat4s m) { + versors r; + glm_mat4_quat(m.raw, r.raw); + return r; +} + +/*! + * @brief multiply vector with mat4 + * + * @param[in] m mat4(affine transform) + * @param[in] v vec3 + * @param[in] last 4th item to make it vec4 + * @returns result vector (vec3) + */ +CGLM_INLINE +vec3s +glms_mat4_(mulv3)(mat4s m, vec3s v, float last) { + vec3s r; + glm_mat4_mulv3(m.raw, v.raw, last, r.raw); + return r; +} + +/*! + * @brief transpose mat4 and store result in same matrix + * + * @param[in] m source + * @returns result + */ +CGLM_INLINE +mat4s +glms_mat4_(transpose)(mat4s m) { + glm_mat4_transpose(m.raw); + return m; +} + +/*! + * @brief scale (multiply with scalar) matrix without simd optimization + * + * multiply matrix with scalar + * + * @param[in] m matrix + * @param[in] s scalar + * @returns matrix + */ +CGLM_INLINE +mat4s +glms_mat4_(scale_p)(mat4s m, float s) { + glm_mat4_scale_p(m.raw, s); + return m; +} + +/*! + * @brief scale (multiply with scalar) matrix + * + * multiply matrix with scalar + * + * @param[in] m matrix + * @param[in] s scalar + * @returns matrix + */ +CGLM_INLINE +mat4s +glms_mat4_(scale)(mat4s m, float s) { + glm_mat4_scale(m.raw, s); + return m; +} + +/*! + * @brief mat4 determinant + * + * @param[in] mat matrix + * + * @return determinant + */ +CGLM_INLINE +float +glms_mat4_(det)(mat4s mat) { + return glm_mat4_det(mat.raw); +} + +/*! + * @brief inverse mat4 and store in dest + * + * @param[in] mat matrix + * @returns inverse matrix + */ +CGLM_INLINE +mat4s +glms_mat4_(inv)(mat4s mat) { + mat4s r; + glm_mat4_inv(mat.raw, r.raw); + return r; +} + +/*! + * @brief inverse mat4 and store in dest + * + * this func uses reciprocal approximation without extra corrections + * e.g Newton-Raphson. this should work faster than normal, + * to get more precise use glm_mat4_inv version. + * + * NOTE: You will lose precision, glm_mat4_inv is more accurate + * + * @param[in] mat matrix + * @returns inverse matrix + */ +CGLM_INLINE +mat4s +glms_mat4_(inv_fast)(mat4s mat) { + mat4s r; + glm_mat4_inv_fast(mat.raw, r.raw); + return r; +} + +/*! + * @brief swap two matrix columns + * + * @param[in] mat matrix + * @param[in] col1 col1 + * @param[in] col2 col2 + * @returns matrix + */ +CGLM_INLINE +mat4s +glms_mat4_(swap_col)(mat4s mat, int col1, int col2) { + glm_mat4_swap_col(mat.raw, col1, col2); + return mat; +} + +/*! + * @brief swap two matrix rows + * + * @param[in] mat matrix + * @param[in] row1 row1 + * @param[in] row2 row2 + * @returns matrix + */ +CGLM_INLINE +mat4s +glms_mat4_(swap_row)(mat4s mat, int row1, int row2) { + glm_mat4_swap_row(mat.raw, row1, row2); + return mat; +} + +/*! + * @brief helper for R (row vector) * M (matrix) * C (column vector) + * + * rmc stands for Row * Matrix * Column + * + * the result is scalar because R * M = Matrix1x4 (row vector), + * then Matrix1x4 * Vec4 (column vector) = Matrix1x1 (Scalar) + * + * @param[in] r row vector or matrix1x4 + * @param[in] m matrix4x4 + * @param[in] c column vector or matrix4x1 + * + * @return scalar value e.g. B(s) + */ +CGLM_INLINE +float +glms_mat4_(rmc)(vec4s r, mat4s m, vec4s c) { + return glm_mat4_rmc(r.raw, m.raw, c.raw); +} + +/*! + * @brief Create mat4 matrix from pointer + * + * @param[in] src pointer to an array of floats + * @return constructed matrix from raw pointer + */ +CGLM_INLINE +mat4s +glms_mat4_(make)(const float * __restrict src) { + mat4s r; + glm_mat4_make(src, r.raw); + return r; +} + +/*! + * @brief Create mat4 matrix from texture transform parameters + * + * @param[in] sx scale x + * @param[in] sy scale y + * @param[in] rot rotation in radians CCW/RH + * @param[in] tx translate x + * @param[in] ty translate y + * @return texture transform matrix + */ +CGLM_INLINE +mat4s +glms_mat4_(textrans)(float sx, float sy, float rot, float tx, float ty) { + mat4s r; + glm_mat4_textrans(sx, sy, rot, tx, ty, r.raw); + return r; +} + +#endif /* cglms_mat4s_h */ diff --git a/include/cglm/struct/mat4x2.h b/include/cglm/struct/mat4x2.h new file mode 100644 index 0000000..6c68abe --- /dev/null +++ b/include/cglm/struct/mat4x2.h @@ -0,0 +1,126 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Macros: + GLMS_MAT4X2_ZERO_INIT + GLMS_MAT4X2_ZERO + + Functions: + CGLM_INLINE mat4x2s glms_mat4x2_zero(void); + CGLM_INLINE mat4x2s glms_mat4x2_make(const float * __restrict src); + CGLM_INLINE mat2s glms_mat4x2_mul(mat4x2s m1, mat2x4s m2); + CGLM_INLINE vec2s glms_mat4x2_mulv(mat4x2s m, vec4s v); + CGLM_INLINE mat2x4s glms_mat4x2_transpose(mat4x2s m); + CGLM_INLINE mat4x2s glms_mat4x2_scale(mat4x2s m, float s); + */ + +#ifndef cglms_mat4x2_h +#define cglms_mat4x2_h + +#include "../common.h" +#include "../types-struct.h" +#include "../mat4x2.h" + +/* api definition */ +#define glms_mat4x2_(NAME) CGLM_STRUCTAPI(mat4x2, NAME) + +#define GLMS_MAT4X2_ZERO_INIT {GLM_MAT4X2_ZERO_INIT} + +/* for C only */ +#define GLMS_MAT4X2_ZERO ((mat4x2s)GLMS_MAT4X2_ZERO_INIT) + + +/*! + * @brief Zero out the mat4x2s (dest). + * + * @return[out] dest constructed mat4x2s from raw pointer + */ +CGLM_INLINE +mat4x2s +glms_mat4x2_(zero)(void) { + mat4x2s dest; + glm_mat4x2_zero(dest.raw); + return dest; +} + +/*! + * @brief Create mat4x2s (dest) from pointer (src). + * + * @param[in] src pointer to an array of floats + * @return[out] dest constructed mat4x2s from raw pointer + */ +CGLM_INLINE +mat4x2s +glms_mat4x2_(make)(const float * __restrict src) { + mat4x2s dest; + glm_mat4x2_make(src, dest.raw); + return dest; +} + +/*! + * @brief Multiply mat4x2s (m1) by mat2x4s (m2) and store in mat2s (dest). + * + * @code + * r = glms_mat4x2_mul(mat4x2s, mat2x4s); + * @endcode + * + * @param[in] m1 mat4x2s (left) + * @param[in] m2 mat2x4s (right) + * @return[out] dest constructed mat2s from raw pointers + */ +CGLM_INLINE +mat2s +glms_mat4x2_(mul)(mat4x2s m1, mat2x4s m2) { + mat2s dest; + glm_mat4x2_mul(m1.raw, m2.raw, dest.raw); + return dest; +} + +/*! + * @brief Multiply mat4x2s (m) by vec4s (v) and store in vec2s (dest). + * + * @param[in] m mat4x2s (left) + * @param[in] v vec4s (right, column vector) + * @return[out] dest constructed vec2s from raw pointers + */ +CGLM_INLINE +vec2s +glms_mat4x2_(mulv)(mat4x2s m, vec4s v) { + vec2s dest; + glm_mat4x2_mulv(m.raw, v.raw, dest.raw); + return dest; +} + +/*! + * @brief Transpose mat4x2s (m) and store in mat2x4s (dest). + * + * @param[in] m mat4x2s (left) + * @return[out] dest constructed mat2x4s from raw pointers + */ +CGLM_INLINE +mat2x4s +glms_mat4x2_(transpose)(mat4x2s m) { + mat2x4s dest; + glm_mat4x2_transpose(m.raw, dest.raw); + return dest; +} + +/*! + * @brief Multiply mat4x2s (m) by scalar constant (s). + * + * @param[in, out] m mat4x2s (src, dest) + * @param[in] s float (scalar) + */ +CGLM_INLINE +mat4x2s +glms_mat4x2_(scale)(mat4x2s m, float s) { + glm_mat4x2_scale(m.raw, s); + return m; +} + +#endif /* cglms_mat4x2_h */ diff --git a/include/cglm/struct/mat4x3.h b/include/cglm/struct/mat4x3.h new file mode 100644 index 0000000..b398f98 --- /dev/null +++ b/include/cglm/struct/mat4x3.h @@ -0,0 +1,125 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Macros: + GLMS_MAT4X3_ZERO_INIT + GLMS_MAT4X3_ZERO + + Functions: + CGLM_INLINE mat4x3s glms_mat4x3_zero(void); + CGLM_INLINE mat4x3s glms_mat4x3_make(const float * __restrict src); + CGLM_INLINE mat3s glms_mat4x3_mul(mat4x3s m1, mat3x4s m2); + CGLM_INLINE vec3s glms_mat4x3_mulv(mat4x3s m, vec4s v); + CGLM_INLINE mat3x4s glms_mat4x3_transpose(mat4x3s m); + CGLM_INLINE mat4x3s glms_mat4x3_scale(mat4x3s m, float s); + */ + +#ifndef cglms_mat4x3_h +#define cglms_mat4x3_h + +#include "../common.h" +#include "../types-struct.h" +#include "../mat4x3.h" + +/* api definition */ +#define glms_mat4x3_(NAME) CGLM_STRUCTAPI(mat4x3, NAME) + +#define GLMS_MAT4X3_ZERO_INIT {GLM_MAT4X3_ZERO_INIT} + +/* for C only */ +#define GLMS_MAT4X3_ZERO ((mat4x3s)GLMS_MAT4X3_ZERO_INIT) + +/*! + * @brief Zero out the mat4x3s (dest). + * + * @return[out] dest constructed mat4x3s from raw pointer + */ +CGLM_INLINE +mat4x3s +glms_mat4x3_(zero)(void) { + mat4x3s dest; + glm_mat4x3_zero(dest.raw); + return dest; +} + +/*! + * @brief Create mat4x3s (dest) from pointer (src). + * + * @param[in] src pointer to an array of floats + * @return[out] dest constructed mat4x3s from raw pointer + */ +CGLM_INLINE +mat4x3s +glms_mat4x3_(make)(const float * __restrict src) { + mat4x3s dest; + glm_mat4x3_make(src, dest.raw); + return dest; +} + +/*! + * @brief Multiply mat4x3s (m1) by mat3x4s (m2) and store in mat3s (dest). + * + * @code + * r = glms_mat4x3_mul(mat4x3s, mat3x4s); + * @endcode + * + * @param[in] m1 mat4x3s (left) + * @param[in] m2 mat3x4s (right) + * @return[out] dest constructed mat3s from raw pointers + */ +CGLM_INLINE +mat3s +glms_mat4x3_(mul)(mat4x3s m1, mat3x4s m2) { + mat3s dest; + glm_mat4x3_mul(m1.raw, m2.raw, dest.raw); + return dest; +} + +/*! + * @brief Multiply mat4x3s (m) by vec4s (v) and store in vec3s (dest). + * + * @param[in] m mat4x3s (left) + * @param[in] v vec4s (right, column vector) + * @return[out] dest constructed vec3s from raw pointers + */ +CGLM_INLINE +vec3s +glms_mat4x3_(mulv)(mat4x3s m, vec4s v) { + vec3s dest; + glm_mat4x3_mulv(m.raw, v.raw, dest.raw); + return dest; +} + +/*! + * @brief Transpose mat4x3s (m) and store in mat3x4s (dest). + * + * @param[in] m mat4x3s (left) + * @return[out] dest constructed mat3x4s from raw pointers + */ +CGLM_INLINE +mat3x4s +glms_mat4x3_(transpose)(mat4x3s m) { + mat3x4s dest; + glm_mat4x3_transpose(m.raw, dest.raw); + return dest; +} + +/*! + * @brief Multiply mat4x3s (m) by scalar constant (s). + * + * @param[in, out] m mat4x3s (src, dest) + * @param[in] s float (scalar) + */ +CGLM_INLINE +mat4x3s +glms_mat4x3_(scale)(mat4x3s m, float s) { + glm_mat4x3_scale(m.raw, s); + return m; +} + +#endif /* cglms_mat4x3_h */ diff --git a/include/cglm/struct/noise.h b/include/cglm/struct/noise.h new file mode 100644 index 0000000..3fd7d2e --- /dev/null +++ b/include/cglm/struct/noise.h @@ -0,0 +1,57 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +#ifndef cglms_noises_h +#define cglms_noises_h + +#include "../common.h" +#include "../types-struct.h" +#include "../noise.h" +#include "vec4.h" + +/* + Functions: + CGLM_INLINE float glms_perlin_vec4(vec4s point); + */ + +/*! + * @brief Classic perlin noise + * + * @param[in] point 4D vector + * @returns perlin noise value + */ +CGLM_INLINE +float +glms_perlin_vec4(vec4s point) { + return glm_perlin_vec4(point.raw); +} + +/*! + * @brief Classic perlin noise + * + * @param[in] point 3D vector + * @returns perlin noise value + */ +CGLM_INLINE +float +glms_perlin_vec3(vec3s point) { + return glm_perlin_vec3(point.raw); +} + +/*! + * @brief Classic perlin noise + * + * @param[in] point 2D vector + * @returns perlin noise value + */ +CGLM_INLINE +float +glms_perlin_vec2(vec2s point) { + return glm_perlin_vec2(point.raw); +} + +#endif /* cglms_noises_h */ diff --git a/include/cglm/struct/plane.h b/include/cglm/struct/plane.h new file mode 100644 index 0000000..6a84ac7 --- /dev/null +++ b/include/cglm/struct/plane.h @@ -0,0 +1,40 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +#ifndef cglms_planes_h +#define cglms_planes_h + +#include "../common.h" +#include "../types-struct.h" +#include "../plane.h" +#include "vec4.h" + +/* + Plane equation: Ax + By + Cz + D = 0; + + It stored in vec4 as [A, B, C, D]. (A, B, C) is normal and D is distance +*/ + +/* + Functions: + CGLM_INLINE vec4s glms_plane_normalize(vec4s plane); + */ + +/*! + * @brief normalizes a plane + * + * @param[in] plane plane to normalize + * @returns normalized plane + */ +CGLM_INLINE +vec4s +glms_plane_normalize(vec4s plane) { + glm_plane_normalize(plane.raw); + return plane; +} + +#endif /* cglms_planes_h */ diff --git a/include/cglm/struct/project.h b/include/cglm/struct/project.h new file mode 100644 index 0000000..8383c77 --- /dev/null +++ b/include/cglm/struct/project.h @@ -0,0 +1,162 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +#ifndef cglms_projects_h +#define cglms_projects_h + +#include "../common.h" +#include "../types-struct.h" +#include "../project.h" +#include "vec3.h" +#include "vec4.h" +#include "mat4.h" + +#ifndef CGLM_CLIPSPACE_INCLUDE_ALL +# if CGLM_CONFIG_CLIP_CONTROL & CGLM_CLIP_CONTROL_ZO_BIT +# include "clipspace/project_zo.h" +# elif CGLM_CONFIG_CLIP_CONTROL & CGLM_CLIP_CONTROL_NO_BIT +# include "clipspace/project_no.h" +# endif +#else +# include "clipspace/project_zo.h" +# include "clipspace/project_no.h" +#endif + +/*! + * @brief maps the specified viewport coordinates into specified space [1] + * the matrix should contain projection matrix. + * + * if you don't have ( and don't want to have ) an inverse matrix then use + * glm_unproject version. You may use existing inverse of matrix in somewhere + * else, this is why glm_unprojecti exists to save save inversion cost + * + * [1] space: + * 1- if m = invProj: View Space + * 2- if m = invViewProj: World Space + * 3- if m = invMVP: Object Space + * + * You probably want to map the coordinates into object space + * so use invMVP as m + * + * Computing viewProj: + * glm_mat4_mul(proj, view, viewProj); + * glm_mat4_mul(viewProj, model, MVP); + * glm_mat4_inv(viewProj, invMVP); + * + * @param[in] pos point/position in viewport coordinates + * @param[in] invMat matrix (see brief) + * @param[in] vp viewport as [x, y, width, height] + * @returns unprojected coordinates + */ +CGLM_INLINE +vec3s +glms_unprojecti(vec3s pos, mat4s invMat, vec4s vp) { + vec3s r; + glm_unprojecti(pos.raw, invMat.raw, vp.raw, r.raw); + return r; +} + +/*! + * @brief maps the specified viewport coordinates into specified space [1] + * the matrix should contain projection matrix. + * + * this is same as glm_unprojecti except this function get inverse matrix for + * you. + * + * [1] space: + * 1- if m = proj: View Space + * 2- if m = viewProj: World Space + * 3- if m = MVP: Object Space + * + * You probably want to map the coordinates into object space + * so use MVP as m + * + * Computing viewProj and MVP: + * glm_mat4_mul(proj, view, viewProj); + * glm_mat4_mul(viewProj, model, MVP); + * + * or in struct api: + * MVP = mat4_mul(mat4_mul(proj, view), model) + * + * @param[in] pos point/position in viewport coordinates + * @param[in] m matrix (see brief) + * @param[in] vp viewport as [x, y, width, height] + * @returns unprojected coordinates + */ +CGLM_INLINE +vec3s +glms_unproject(vec3s pos, mat4s m, vec4s vp) { + vec3s r; + glm_unproject(pos.raw, m.raw, vp.raw, r.raw); + return r; +} + +/*! + * @brief map object coordinates to window coordinates + * + * Computing MVP: + * glm_mat4_mul(proj, view, viewProj); + * glm_mat4_mul(viewProj, model, MVP); + * + * or in struct api: + * MVP = mat4_mul(mat4_mul(proj, view), model) + * + * @param[in] pos object coordinates + * @param[in] m MVP matrix + * @param[in] vp viewport as [x, y, width, height] + * @returns projected coordinates + */ +CGLM_INLINE +vec3s +glms_project(vec3s pos, mat4s m, vec4s vp) { + vec3s r; + glm_project(pos.raw, m.raw, vp.raw, r.raw); + return r; +} + +/*! + * @brief map object's z coordinate to window coordinates + * + * Computing MVP: + * glm_mat4_mul(proj, view, viewProj); + * glm_mat4_mul(viewProj, model, MVP); + * + * or in struct api: + * MVP = mat4_mul(mat4_mul(proj, view), model) + * + * @param[in] v object coordinates + * @param[in] m MVP matrix + * + * @returns projected z coordinate + */ +CGLM_INLINE +float +glms_project_z(vec3s v, mat4s m) { +#if CGLM_CONFIG_CLIP_CONTROL & CGLM_CLIP_CONTROL_ZO_BIT + return glms_project_z_zo(v, m); +#elif CGLM_CONFIG_CLIP_CONTROL & CGLM_CLIP_CONTROL_NO_BIT + return glms_project_z_no(v, m); +#endif +} + +/*! + * @brief define a picking region + * + * @param[in] center center [x, y] of a picking region in window coordinates + * @param[in] size size [width, height] of the picking region in window coordinates + * @param[in] vp viewport as [x, y, width, height] + * @returns projected coordinates + */ +CGLM_INLINE +mat4s +glms_pickmatrix(vec2s center, vec2s size, vec4s vp) { + mat4s res; + glm_pickmatrix(center.raw, size.raw, vp.raw, res.raw); + return res; +} + +#endif /* cglms_projects_h */ diff --git a/include/cglm/struct/quat.h b/include/cglm/struct/quat.h new file mode 100644 index 0000000..d6789e4 --- /dev/null +++ b/include/cglm/struct/quat.h @@ -0,0 +1,601 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Macros: + GLMS_QUAT_IDENTITY_INIT + GLMS_QUAT_IDENTITY + + Functions: + CGLM_INLINE versors glms_quat_identity(void) + CGLM_INLINE void glms_quat_identity_array(versor *q, size_t count) + CGLM_INLINE versors glms_quat_init(float x, float y, float z, float w) + CGLM_INLINE versors glms_quatv(float angle, vec3s axis) + CGLM_INLINE versors glms_quat(float angle, float x, float y, float z) + CGLM_INLINE versors glms_quat_from_vecs(vec3s a, vec3s b) + CGLM_INLINE float glms_quat_norm(versors q) + CGLM_INLINE versors glms_quat_normalize(versors q) + CGLM_INLINE float glms_quat_dot(versors p, versors q) + CGLM_INLINE versors glms_quat_conjugate(versors q) + CGLM_INLINE versors glms_quat_inv(versors q) + CGLM_INLINE versors glms_quat_add(versors p, versors q) + CGLM_INLINE versors glms_quat_sub(versors p, versors q) + CGLM_INLINE vec3s glms_quat_imagn(versors q) + CGLM_INLINE float glms_quat_imaglen(versors q) + CGLM_INLINE float glms_quat_angle(versors q) + CGLM_INLINE vec3s glms_quat_axis(versors q) + CGLM_INLINE versors glms_quat_mul(versors p, versors q) + CGLM_INLINE mat4s glms_quat_mat4(versors q) + CGLM_INLINE mat4s glms_quat_mat4t(versors q) + CGLM_INLINE mat3s glms_quat_mat3(versors q) + CGLM_INLINE mat3s glms_quat_mat3t(versors q) + CGLM_INLINE versors glms_quat_lerp(versors from, versors to, float t) + CGLM_INLINE versors glms_quat_lerpc(versors from, versors to, float t) + CGLM_INLINE versors glms_quat_nlerp(versors from, versors to, float t) + CGLM_INLINE versors glms_quat_slerp(versors from, versors to, float t) + CGLM_INLINE versors glms_quat_slerp_longest(versors from, versors to, float t) + CGLM_INLINE mat4s. glms_quat_look(vec3s eye, versors ori) + CGLM_INLINE versors glms_quat_for(vec3s dir, vec3s fwd, vec3s up) + CGLM_INLINE versors glms_quat_forp(vec3s from, vec3s to, vec3s fwd, vec3s up) + CGLM_INLINE vec3s glms_quat_rotatev(versors q, vec3s v) + CGLM_INLINE mat4s glms_quat_rotate(mat4s m, versors q) + CGLM_INLINE mat4s glms_quat_rotate_at(mat4s m, versors q, vec3s pivot) + CGLM_INLINE mat4s glms_quat_rotate_atm(versors q, vec3s pivot) + CGLM_INLINE versors glms_quat_make(float * restrict src) + */ + +#ifndef cglms_quat_h +#define cglms_quat_h + +#include "../common.h" +#include "../types-struct.h" +#include "../plane.h" +#include "../quat.h" + +/* api definition */ +#define glms_quat_(NAME) CGLM_STRUCTAPI(quat, NAME) + +/* + * IMPORTANT: + * ---------------------------------------------------------------------------- + * cglm stores quat as [x, y, z, w] since v0.3.6 + * + * it was [w, x, y, z] before v0.3.6 it has been changed to [x, y, z, w] + * with v0.3.6 version. + * ---------------------------------------------------------------------------- + */ + +#define GLMS_QUAT_IDENTITY_INIT {GLM_QUAT_IDENTITY_INIT} +#define GLMS_QUAT_IDENTITY ((versors)GLMS_QUAT_IDENTITY_INIT) + +/*! + * @brief makes given quat to identity + * + * @returns identity quaternion + */ +CGLM_INLINE +versors +glms_quat_(identity)(void) { + versors dest; + glm_quat_identity(dest.raw); + return dest; +} + +/*! + * @brief make given quaternion array's each element identity quaternion + * + * @param[in, out] q quat array (must be aligned (16) + * if alignment is not disabled) + * + * @param[in] count count of quaternions + */ +CGLM_INLINE +void +glms_quat_(identity_array)(versors * __restrict q, size_t count) { + CGLM_ALIGN(16) versor v = GLM_QUAT_IDENTITY_INIT; + size_t i; + + for (i = 0; i < count; i++) { + glm_vec4_copy(v, q[i].raw); + } +} + +/*! + * @brief inits quaternion with raw values + * + * @param[in] x x + * @param[in] y y + * @param[in] z z + * @param[in] w w (real part) + * @returns quaternion + */ +CGLM_INLINE +versors +glms_quat_(init)(float x, float y, float z, float w) { + versors dest; + glm_quat_init(dest.raw, x, y, z, w); + return dest; +} + +/*! + * @brief creates NEW quaternion with axis vector + * + * @param[in] angle angle (radians) + * @param[in] axis axis + * @returns quaternion + */ +CGLM_INLINE +versors +glms_quatv(float angle, vec3s axis) { + versors dest; + glm_quatv(dest.raw, angle, axis.raw); + return dest; +} + +/*! + * @brief creates NEW quaternion with individual axis components + * + * @param[in] angle angle (radians) + * @param[in] x axis.x + * @param[in] y axis.y + * @param[in] z axis.z + * @returns quaternion + */ +CGLM_INLINE +versors +glms_quat(float angle, float x, float y, float z) { + versors dest; + glm_quat(dest.raw, angle, x, y, z); + return dest; +} + +/*! + * @brief compute quaternion rotating vector A to vector B + * + * @param[in] a vec3 (must have unit length) + * @param[in] b vec3 (must have unit length) + * @returns quaternion (of unit length) + */ +CGLM_INLINE +versors +glms_quat_(from_vecs)(vec3s a, vec3s b) { + versors dest; + glm_quat_from_vecs(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief returns norm (magnitude) of quaternion + * + * @param[in] q quaternion + */ +CGLM_INLINE +float +glms_quat_(norm)(versors q) { + return glm_quat_norm(q.raw); +} + +/*! + * @brief normalize quaternion + * + * @param[in] q quaternion + * @returns quaternion + */ +CGLM_INLINE +versors +glms_quat_(normalize)(versors q) { + versors dest; + glm_quat_normalize_to(q.raw, dest.raw); + return dest; +} + +/*! + * @brief dot product of two quaternion + * + * @param[in] p quaternion 1 + * @param[in] q quaternion 2 + * @returns dot product + */ +CGLM_INLINE +float +glms_quat_(dot)(versors p, versors q) { + return glm_quat_dot(p.raw, q.raw); +} + +/*! + * @brief conjugate of quaternion + * + * @param[in] q quaternion + * @returns conjugate + */ +CGLM_INLINE +versors +glms_quat_(conjugate)(versors q) { + versors dest; + glm_quat_conjugate(q.raw, dest.raw); + return dest; +} + +/*! + * @brief inverse of non-zero quaternion + * + * @param[in] q quaternion + * @returns inverse quaternion + */ +CGLM_INLINE +versors +glms_quat_(inv)(versors q) { + versors dest; + glm_quat_inv(q.raw, dest.raw); + return dest; +} + +/*! + * @brief add (componentwise) two quaternions and store result in dest + * + * @param[in] p quaternion 1 + * @param[in] q quaternion 2 + * @returns result quaternion + */ +CGLM_INLINE +versors +glms_quat_(add)(versors p, versors q) { + versors dest; + glm_quat_add(p.raw, q.raw, dest.raw); + return dest; +} + +/*! + * @brief subtract (componentwise) two quaternions and store result in dest + * + * @param[in] p quaternion 1 + * @param[in] q quaternion 2 + * @returns result quaternion + */ +CGLM_INLINE +versors +glms_quat_(sub)(versors p, versors q) { + versors dest; + glm_quat_sub(p.raw, q.raw, dest.raw); + return dest; +} + +/*! + * @brief returns normalized imaginary part of quaternion + * + * @param[in] q quaternion + */ +CGLM_INLINE +vec3s +glms_quat_(imagn)(versors q) { + vec3s dest; + glm_normalize_to(q.raw, dest.raw); + return dest; +} + +/*! + * @brief returns length of imaginary part of quaternion + * + * @param[in] q quaternion + */ +CGLM_INLINE +float +glms_quat_(imaglen)(versors q) { + return glm_quat_imaglen(q.raw); +} + +/*! + * @brief returns angle of quaternion + * + * @param[in] q quaternion + */ +CGLM_INLINE +float +glms_quat_(angle)(versors q) { + return glm_quat_angle(q.raw); +} + +/*! + * @brief axis of quaternion + * + * @param[in] q quaternion + * @returns axis of quaternion + */ +CGLM_INLINE +vec3s +glms_quat_(axis)(versors q) { + vec3s dest; + glm_quat_axis(q.raw, dest.raw); + return dest; +} + +/*! + * @brief multiplies two quaternion and stores result in dest + * this is also called Hamilton Product + * + * According to WikiPedia: + * The product of two rotation quaternions [clarification needed] will be + * equivalent to the rotation q followed by the rotation p + * + * @param[in] p quaternion 1 + * @param[in] q quaternion 2 + * @returns result quaternion + */ +CGLM_INLINE +versors +glms_quat_(mul)(versors p, versors q) { + versors dest; + glm_quat_mul(p.raw, q.raw, dest.raw); + return dest; +} + +/*! + * @brief convert quaternion to mat4 + * + * @param[in] q quaternion + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_quat_(mat4)(versors q) { + mat4s dest; + glm_quat_mat4(q.raw, dest.raw); + return dest; +} + +/*! + * @brief convert quaternion to mat4 (transposed) + * + * @param[in] q quaternion + * @returns result matrix as transposed + */ +CGLM_INLINE +mat4s +glms_quat_(mat4t)(versors q) { + mat4s dest; + glm_quat_mat4t(q.raw, dest.raw); + return dest; +} + +/*! + * @brief convert quaternion to mat3 + * + * @param[in] q quaternion + * @returns result matrix + */ +CGLM_INLINE +mat3s +glms_quat_(mat3)(versors q) { + mat3s dest; + glm_quat_mat3(q.raw, dest.raw); + return dest; +} + +/*! + * @brief convert quaternion to mat3 (transposed) + * + * @param[in] q quaternion + * @returns result matrix + */ +CGLM_INLINE +mat3s +glms_quat_(mat3t)(versors q) { + mat3s dest; + glm_quat_mat3t(q.raw, dest.raw); + return dest; +} + +/*! + * @brief interpolates between two quaternions + * using linear interpolation (LERP) + * + * @param[in] from from + * @param[in] to to + * @param[in] t interpolant (amount) + * @returns result quaternion + */ +CGLM_INLINE +versors +glms_quat_(lerp)(versors from, versors to, float t) { + versors dest; + glm_quat_lerp(from.raw, to.raw, t, dest.raw); + return dest; +} + +/*! + * @brief interpolates between two quaternions + * using linear interpolation (LERP) + * + * @param[in] from from + * @param[in] to to + * @param[in] t interpolant (amount) clamped between 0 and 1 + * @returns result quaternion + */ +CGLM_INLINE +versors +glms_quat_(lerpc)(versors from, versors to, float t) { + versors dest; + glm_quat_lerpc(from.raw, to.raw, t, dest.raw); + return dest; +} + +/*! + * @brief interpolates between two quaternions + * taking the shortest rotation path using + * normalized linear interpolation (NLERP) + * + * @param[in] from from + * @param[in] to to + * @param[in] t interpolant (amount) + * @returns result quaternion + */ +CGLM_INLINE +versors +glms_quat_(nlerp)(versors from, versors to, float t) { + versors dest; + glm_quat_nlerp(from.raw, to.raw, t, dest.raw); + return dest; +} + +/*! + * @brief interpolates between two quaternions + * using spherical linear interpolation (SLERP) + * + * @param[in] from from + * @param[in] to to + * @param[in] t amount + * @returns result quaternion + */ +CGLM_INLINE +versors +glms_quat_(slerp)(versors from, versors to, float t) { + versors dest; + glm_quat_slerp(from.raw, to.raw, t, dest.raw); + return dest; +} + +/*! + * @brief interpolates between two quaternions + * using spherical linear interpolation (SLERP) and always takes the longest path + * + * @param[in] from from + * @param[in] to to + * @param[in] t amount + * @returns result quaternion + */ +CGLM_INLINE +versors +glms_quat_(slerp_longest)(versors from, versors to, float t) { + versors dest; + glm_quat_slerp_longest(from.raw, to.raw, t, dest.raw); + return dest; +} + +/*! + * @brief creates view matrix using quaternion as camera orientation + * + * @param[in] eye eye + * @param[in] ori orientation in world space as quaternion + * @returns view matrix + */ +CGLM_INLINE +mat4s +glms_quat_(look)(vec3s eye, versors ori) { + mat4s dest; + glm_quat_look(eye.raw, ori.raw, dest.raw); + return dest; +} + +/*! + * @brief creates look rotation quaternion + * + * @param[in] dir direction to look + * @param[in] up up vector + * @returns destination quaternion + */ +CGLM_INLINE +versors +glms_quat_(for)(vec3s dir, vec3s up) { + versors dest; + glm_quat_for(dir.raw, up.raw, dest.raw); + return dest; +} + +/*! + * @brief creates look rotation quaternion using source and + * destination positions p suffix stands for position + * + * @param[in] from source point + * @param[in] to destination point + * @param[in] up up vector + * @returns destination quaternion + */ +CGLM_INLINE +versors +glms_quat_(forp)(vec3s from, vec3s to, vec3s up) { + versors dest; + glm_quat_forp(from.raw, to.raw, up.raw, dest.raw); + return dest; +} + +/*! + * @brief rotate vector using using quaternion + * + * @param[in] q quaternion + * @param[in] v vector to rotate + * @returns rotated vector + */ +CGLM_INLINE +vec3s +glms_quat_(rotatev)(versors q, vec3s v) { + vec3s dest; + glm_quat_rotatev(q.raw, v.raw, dest.raw); + return dest; +} + +/*! + * @brief rotate existing transform matrix using quaternion + * + * @param[in] m existing transform matrix + * @param[in] q quaternion + * @returns rotated matrix/transform + */ +CGLM_INLINE +mat4s +glms_quat_(rotate)(mat4s m, versors q) { + glm_quat_rotate(m.raw, q.raw, m.raw); + return m; +} + +/*! + * @brief rotate existing transform matrix using quaternion at pivot point + * + * @param[in, out] m existing transform matrix + * @param[in] q quaternion + * @returns pivot + */ +CGLM_INLINE +mat4s +glms_quat_(rotate_at)(mat4s m, versors q, vec3s pivot) { + glm_quat_rotate_at(m.raw, q.raw, pivot.raw); + return m; +} + +/*! + * @brief rotate NEW transform matrix using quaternion at pivot point + * + * this creates rotation matrix, it assumes you don't have a matrix + * + * this should work faster than glm_quat_rotate_at because it reduces + * one glm_translate. + * + * @param[in] q quaternion + * @returns pivot + */ +CGLM_INLINE +mat4s +glms_quat_(rotate_atm)(versors q, vec3s pivot) { + mat4s dest; + glm_quat_rotate_atm(dest.raw, q.raw, pivot.raw); + return dest; +} + +/*! + * @brief Create CGLM quaternion from pointer + * + * @param[in] src pointer to an array of floats + * @returns constructed quaternion from raw pointer + */ +CGLM_INLINE +versors +glms_quat_(make)(const float * __restrict src) { + versors dest; + glm_quat_make(src, dest.raw); + return dest; +} + +#endif /* cglms_quat_h */ diff --git a/include/cglm/struct/ray.h b/include/cglm/struct/ray.h new file mode 100644 index 0000000..10609b9 --- /dev/null +++ b/include/cglm/struct/ray.h @@ -0,0 +1,86 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +#ifndef cglms_ray_h +#define cglms_ray_h + +#include "../common.h" +#include "../types-struct.h" +#include "../ray.h" + +/* api definition */ +#define glms_ray_(NAME) CGLM_STRUCTAPI(ray, NAME) + +/*! + * @brief Möller–Trumbore ray-triangle intersection algorithm + * + * @param[in] origin origin of ray + * @param[in] direction direction of ray + * @param[in] v0 first vertex of triangle + * @param[in] v1 second vertex of triangle + * @param[in] v2 third vertex of triangle + * @param[in, out] d distance to intersection + * @return whether there is intersection + */ +CGLM_INLINE +bool +glms_ray_(triangle)(vec3s origin, + vec3s direction, + vec3s v0, + vec3s v1, + vec3s v2, + float *d) { + return glm_ray_triangle(origin.raw, direction.raw, v0.raw, v1.raw, v2.raw, d); +} + +/*! + * @brief ray sphere intersection + * + * returns false if there is no intersection if true: + * + * - t1 > 0, t2 > 0: ray intersects the sphere at t1 and t2 both ahead of the origin + * - t1 < 0, t2 > 0: ray starts inside the sphere, exits at t2 + * - t1 < 0, t2 < 0: no intersection ahead of the ray ( returns false ) + * - the caller can check if the intersection points (t1 and t2) fall within a + * specific range (for example, tmin < t1, t2 < tmax) to determine if the + * intersections are within a desired segment of the ray + * + * @param[in] origin ray origin + * @param[out] dir normalized ray direction + * @param[in] s sphere [center.x, center.y, center.z, radii] + * @param[in] t1 near point1 (closer to origin) + * @param[in] t2 far point2 (farther from origin) + * + * @returns whether there is intersection + */ +CGLM_INLINE +bool +glms_ray_(sphere)(vec3s origin, + vec3s dir, + vec4s s, + float * __restrict t1, + float * __restrict t2) { + return glm_ray_sphere(origin.raw, dir.raw, s.raw, t1, t2); +} + +/*! + * @brief point using t by 𝐏(𝑡)=𝐀+𝑡𝐛 + * + * @param[in] orig origin of ray + * @param[in] dir direction of ray + * @param[in] t parameter + * @returns point point at t + */ +CGLM_INLINE +vec3s +glms_ray_(at)(vec3s orig, vec3s dir, float t) { + vec3s r; + glm_ray_at(orig.raw, dir.raw, t, r.raw); + return r; +} + +#endif /* cglms_ray_h */ diff --git a/include/cglm/struct/sphere.h b/include/cglm/struct/sphere.h new file mode 100644 index 0000000..9859c72 --- /dev/null +++ b/include/cglm/struct/sphere.h @@ -0,0 +1,93 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +#ifndef cglms_spheres_h +#define cglms_spheres_h + +#include "../common.h" +#include "../types-struct.h" +#include "../sphere.h" +#include "mat4.h" + +/* + Sphere Representation in cglm: [center.x, center.y, center.z, radii] + + You could use this representation or you can convert it to vec4 before call + any function + */ + +/*! + * @brief helper for getting sphere radius + * + * @param[in] s sphere + * + * @return returns radii + */ +CGLM_INLINE +float +glms_sphere_radii(vec4s s) { + return glm_sphere_radii(s.raw); +} + +/*! + * @brief apply transform to sphere, it is just wrapper for glm_mat4_mulv3 + * + * @param[in] s sphere + * @param[in] m transform matrix + * @returns transformed sphere + */ +CGLM_INLINE +vec4s +glms_sphere_transform(vec4s s, mat4s m) { + vec4s r; + glm_sphere_transform(s.raw, m.raw, r.raw); + return r; +} + +/*! + * @brief merges two spheres and creates a new one + * + * two sphere must be in same space, for instance if one in world space then + * the other must be in world space too, not in local space. + * + * @param[in] s1 sphere 1 + * @param[in] s2 sphere 2 + * returns merged/extended sphere + */ +CGLM_INLINE +vec4s +glms_sphere_merge(vec4s s1, vec4s s2) { + vec4s r; + glm_sphere_merge(s1.raw, s2.raw, r.raw); + return r; +} + +/*! + * @brief check if two sphere intersects + * + * @param[in] s1 sphere + * @param[in] s2 other sphere + */ +CGLM_INLINE +bool +glms_sphere_sphere(vec4s s1, vec4s s2) { + return glm_sphere_sphere(s1.raw, s2.raw); +} + +/*! + * @brief check if sphere intersects with point + * + * @param[in] s sphere + * @param[in] point point + */ +CGLM_INLINE +bool +glms_sphere_point(vec4s s, vec3s point) { + return glm_sphere_point(s.raw, point.raw); +} + +#endif /* cglms_spheres_h */ diff --git a/include/cglm/struct/vec2-ext.h b/include/cglm/struct/vec2-ext.h new file mode 100644 index 0000000..246132f --- /dev/null +++ b/include/cglm/struct/vec2-ext.h @@ -0,0 +1,337 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/*! + * @brief SIMD like functions + */ + +/* + Functions: + CGLM_INLINE vec2s glms_vec2_fill(float val) + CGLM_INLINE bool glms_vec2_eq(vec2s v, float val) + CGLM_INLINE bool glms_vec2_eq_eps(vec2s v, float val) + CGLM_INLINE bool glms_vec2_eq_all(vec2s v) + CGLM_INLINE bool glms_vec2_eqv(vec2s a, vec2s b) + CGLM_INLINE bool glms_vec2_eqv_eps(vec2s a, vec2s b) + CGLM_INLINE float glms_vec2_max(vec2s v) + CGLM_INLINE float glms_vec2_min(vec2s v) + CGLM_INLINE bool glms_vec2_isnan(vec2s v) + CGLM_INLINE bool glms_vec2_isinf(vec2s v) + CGLM_INLINE bool glms_vec2_isvalid(vec2s v) + CGLM_INLINE vec2s glms_vec2_sign(vec2s v) + CGLM_INLINE vec2s glms_vec2_abs(vec2s v) + CGLM_INLINE vec2s glms_vec2_fract(vec2s v) + CGLM_INLINE vec2s glms_vec2_floor(vec2s v) + CGLM_INLINE vec2s glms_vec2_mods(vec2s v, float s) + CGLM_INLINE vec2s glms_vec2_steps(float edge, vec2s v) + CGLM_INLINE vec2s glms_vec2_stepr(vec2s edge, float v) + CGLM_INLINE vec2s glms_vec2_sqrt(vec2s v) + */ + +#ifndef cglms_vec2s_ext_h +#define cglms_vec2s_ext_h + +#include "../common.h" +#include "../types-struct.h" +#include "../util.h" +#include "../vec2-ext.h" + +/* api definition */ +#define glms_vec2_(NAME) CGLM_STRUCTAPI(vec2, NAME) + +/*! + * @brief fill a vector with specified value + * + * @param[in] val value + * @returns dest + */ +CGLM_INLINE +vec2s +glms_vec2_(fill)(float val) { + vec2s r; + glm_vec2_fill(r.raw, val); + return r; +} + +/*! + * @brief check if vector is equal to value (without epsilon) + * + * @param[in] v vector + * @param[in] val value + */ +CGLM_INLINE +bool +glms_vec2_(eq)(vec2s v, float val) { + return glm_vec2_eq(v.raw, val); +} + +/*! + * @brief check if vector is equal to value (with epsilon) + * + * @param[in] v vector + * @param[in] val value + */ +CGLM_INLINE +bool +glms_vec2_(eq_eps)(vec2s v, float val) { + return glm_vec2_eq_eps(v.raw, val); +} + +/*! + * @brief check if vector members are equal (without epsilon) + * + * @param[in] v vector + */ +CGLM_INLINE +bool +glms_vec2_(eq_all)(vec2s v) { + return glm_vec2_eq_all(v.raw); +} + +/*! + * @brief check if vector is equal to another (without epsilon) + * + * @param[in] a vector + * @param[in] b vector + */ +CGLM_INLINE +bool +glms_vec2_(eqv)(vec2s a, vec2s b) { + return glm_vec2_eqv(a.raw, b.raw); +} + +/*! + * @brief check if vector is equal to another (with epsilon) + * + * @param[in] a vector + * @param[in] b vector + */ +CGLM_INLINE +bool +glms_vec2_(eqv_eps)(vec2s a, vec2s b) { + return glm_vec2_eqv_eps(a.raw, b.raw); +} + +/*! + * @brief max value of vector + * + * @param[in] v vector + */ +CGLM_INLINE +float +glms_vec2_(max)(vec2s v) { + return glm_vec2_max(v.raw); +} + +/*! + * @brief min value of vector + * + * @param[in] v vector + */ +CGLM_INLINE +float +glms_vec2_min(vec2s v) { + return glm_vec2_min(v.raw); +} + +/*! + * @brief check if one of items is NaN (not a number) + * you should only use this in DEBUG mode or very critical asserts + * + * @param[in] v vector + */ +CGLM_INLINE +bool +glms_vec2_(isnan)(vec2s v) { + return glm_vec2_isnan(v.raw); +} + +/*! + * @brief check if one of items is INFINITY + * you should only use this in DEBUG mode or very critical asserts + * + * @param[in] v vector + */ +CGLM_INLINE +bool +glms_vec2_(isinf)(vec2s v) { + return glm_vec2_isinf(v.raw); +} + +/*! + * @brief check if all items are valid number + * you should only use this in DEBUG mode or very critical asserts + * + * @param[in] v vector + */ +CGLM_INLINE +bool +glms_vec2_isvalid(vec2s v) { + return glm_vec2_isvalid(v.raw); +} + +/*! + * @brief get sign of 32 bit float as +1, -1, 0 + * + * Important: It returns 0 for zero/NaN input + * + * @param v vector + * @returns sign vector + */ +CGLM_INLINE +vec2s +glms_vec2_(sign)(vec2s v) { + vec2s r; + glm_vec2_sign(v.raw, r.raw); + return r; +} + +/*! + * @brief fractional part of each vector item + * + * @param v vector + * @returns abs vector + */ +CGLM_INLINE +vec2s +glms_vec2_(abs)(vec2s v) { + vec2s r; + glm_vec2_abs(v.raw, r.raw); + return r; +} + +/*! + * @brief fractional part of each vector item + * + * @param[in] v vector + * @returns destination vector + */ +CGLM_INLINE +vec2s +glms_vec2_(fract)(vec2s v) { + vec2s r; + glm_vec2_fract(v.raw, r.raw); + return r; +} + +/*! + * @brief floor of each vector item + * + * @param[in] v vector + * @returns destination vector + */ +CGLM_INLINE +vec2s +glms_vec2_(floor)(vec2s v) { + vec2s r; + glm_vec2_floor(v.raw, r.raw); + return r; +} + +/*! + * @brief mod of each vector item by scalar + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination vector + */ +CGLM_INLINE +vec2s +glms_vec2_(mods)(vec2s v, float s) { + vec2s r; + glm_vec2_mods(v.raw, s, r.raw); + return r; +} + +/*! + * @brief threshold each vector item with scalar + * condition is: (x[i] < edge) ? 0.0 : 1.0 + * + * @param[in] edge threshold + * @param[in] x vector to test against threshold + * @returns destination + */ +CGLM_INLINE +vec2s +glms_vec2_(steps)(float edge, vec2s x) { + vec2s r; + glm_vec2_steps(edge, x.raw, r.raw); + return r; +} + +/*! + * @brief threshold a value with *vector* as the threshold + * condition is: (x < edge[i]) ? 0.0 : 1.0 + * + * @param[in] edge threshold vector + * @param[in] x value to test against threshold + * @returns destination + */ +CGLM_INLINE +vec2s +glms_vec2_(stepr)(vec2s edge, float x) { + vec2s r; + glm_vec2_stepr(edge.raw, x, r.raw); + return r; +} + +/*! + * @brief square root of each vector item + * + * @param[in] v vector + * @returns destination vector + */ +CGLM_INLINE +vec2s +glms_vec2_(sqrt)(vec2s v) { + vec2s r; + glm_vec2_sqrt(v.raw, r.raw); + return r; +} + +/*! + * @brief treat vectors as complex numbers and multiply them as such. + * + * @param[in] a left number + * @param[in] b right number + * @param[out] dest destination number + */ +CGLM_INLINE +vec2s +glms_vec2_(complex_mul)(vec2s a, vec2s b, vec2s dest) { + glm_vec2_complex_mul(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief treat vectors as complex numbers and divide them as such. + * + * @param[in] a left number (numerator) + * @param[in] b right number (denominator) + * @param[out] dest destination number + */ +CGLM_INLINE +vec2s +glms_vec2_(complex_div)(vec2s a, vec2s b, vec2s dest) { + glm_vec2_complex_div(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief treat the vector as a complex number and conjugate it as such. + * + * @param[in] a the number + * @param[out] dest destination number + */ +CGLM_INLINE +vec2s +glms_vec2_(complex_conjugate)(vec2s a, vec2s dest) { + glm_vec2_complex_conjugate(a.raw, dest.raw); + return dest; +} + +#endif /* cglms_vec2s_ext_h */ diff --git a/include/cglm/struct/vec2.h b/include/cglm/struct/vec2.h new file mode 100644 index 0000000..40ed659 --- /dev/null +++ b/include/cglm/struct/vec2.h @@ -0,0 +1,747 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Macros: + GLMS_VEC2_ONE_INIT + GLMS_VEC2_ZERO_INIT + GLMS_VEC2_ONE + GLMS_VEC2_ZERO + + Functions: + CGLM_INLINE vec2s glms_vec2(vec3s v3) + CGLM_INLINE void glms_vec2_pack(vec2s dst[], vec2 src[], size_t len) + CGLM_INLINE void glms_vec2_unpack(vec2 dst[], vec2s src[], size_t len) + CGLM_INLINE vec2s glms_vec2_zero(void) + CGLM_INLINE vec2s glms_vec2_one(void) + CGLM_INLINE float glms_vec2_dot(vec2s a, vec2s b) + CGLM_INLINE float glms_vec2_cross(vec2s a, vec2s b) + CGLM_INLINE float glms_vec2_norm2(vec2s v) + CGLM_INLINE float glms_vec2_norm(vec2s v) + CGLM_INLINE vec2s glms_vec2_add(vec2s a, vec2s b) + CGLM_INLINE vec2s glms_vec2_adds(vec2s a, float s) + CGLM_INLINE vec2s glms_vec2_sub(vec2s a, vec2s b) + CGLM_INLINE vec2s glms_vec2_subs(vec2s a, float s) + CGLM_INLINE vec2s glms_vec2_mul(vec2s a, vec2s b) + CGLM_INLINE vec2s glms_vec2_scale(vec2s v, float s) + CGLM_INLINE vec2s glms_vec2_scale_as(vec2s v, float s) + CGLM_INLINE vec2s glms_vec2_div(vec2s a, vec2s b) + CGLM_INLINE vec2s glms_vec2_divs(vec2s a, float s) + CGLM_INLINE vec2s glms_vec2_addadd(vec2s a, vec2s b, vec2s dest) + CGLM_INLINE vec2s glms_vec2_subadd(vec2s a, vec2s b, vec2s dest) + CGLM_INLINE vec2s glms_vec2_muladd(vec2s a, vec2s b, vec2s dest) + CGLM_INLINE vec2s glms_vec2_muladds(vec2s a, float s, vec2s dest) + CGLM_INLINE vec2s glms_vec2_maxadd(vec2s a, vec2s b, vec2s dest) + CGLM_INLINE vec2s glms_vec2_minadd(vec2s a, vec2s b, vec2s dest) + CGLM_INLINE vec2s glms_vec2_subsub(vec2s a, vec2s b, vec2s dest) + CGLM_INLINE vec2s glms_vec2_addsub(vec2s a, vec2s b, vec2s dest) + CGLM_INLINE vec2s glms_vec2_mulsub(vec2s a, vec2s b, vec2s dest) + CGLM_INLINE vec2s glms_vec2_mulsubs(vec2s a, float s, vec2s dest) + CGLM_INLINE vec2s glms_vec2_maxsub(vec2s a, vec2s b, vec2s dest) + CGLM_INLINE vec2s glms_vec2_minsub(vec2s a, vec2s b, vec2s dest) + CGLM_INLINE vec2s glms_vec2_negate(vec2s v) + CGLM_INLINE vec2s glms_vec2_normalize(vec2s v) + CGLM_INLINE vec2s glms_vec2_rotate(vec2s v, float angle, vec2s axis) + CGLM_INLINE vec2s glms_vec2_center(vec2s a, vec2s b) + CGLM_INLINE float glms_vec2_distance(vec2s a, vec2s b) + CGLM_INLINE float glms_vec2_distance2(vec2s a, vec2s b) + CGLM_INLINE vec2s glms_vec2_maxv(vec2s a, vec2s b) + CGLM_INLINE vec2s glms_vec2_minv(vec2s a, vec2s b) + CGLM_INLINE vec2s glms_vec2_clamp(vec2s v, float minVal, float maxVal) + CGLM_INLINE vec2s glms_vec2_lerp(vec2s from, vec2s to, float t) + CGLM_INLINE vec2s glms_vec2_step(vec2s edge, vec2s x) + CGLM_INLINE vec2s glms_vec2_make(float * restrict src) + CGLM_INLINE vec2s glms_vec2_reflect(vec2s v, vec2s n) + CGLM_INLINE bool glms_vec2_refract(vec2s v, vec2s n, float eta, vec2s *dest) + */ + +#ifndef cglms_vec2s_h +#define cglms_vec2s_h + +#include "../common.h" +#include "../types-struct.h" +#include "../util.h" +#include "../vec2.h" +#include "vec2-ext.h" + +#define GLMS_VEC2_ONE_INIT {GLM_VEC2_ONE_INIT} +#define GLMS_VEC2_ZERO_INIT {GLM_VEC2_ZERO_INIT} + +#define GLMS_VEC2_ONE ((vec2s)GLMS_VEC2_ONE_INIT) +#define GLMS_VEC2_ZERO ((vec2s)GLMS_VEC2_ZERO_INIT) + +/*! + * @brief init vec2 using vec2 + * + * @param[in] v3 vector3 + * @returns destination + */ +CGLM_INLINE +vec2s +glms_vec2(vec3s v3) { + vec2s r; + glm_vec2(v3.raw, r.raw); + return r; +} + +/*! + * @brief pack an array of vec2 into an array of vec2s + * + * @param[out] dst array of vec2 + * @param[in] src array of vec2s + * @param[in] len number of elements + */ +CGLM_INLINE +void +glms_vec2_(pack)(vec2s dst[], vec2 src[], size_t len) { + size_t i; + + for (i = 0; i < len; i++) { + glm_vec2_copy(src[i], dst[i].raw); + } +} + +/*! + * @brief unpack an array of vec2s into an array of vec2 + * + * @param[out] dst array of vec2s + * @param[in] src array of vec2 + * @param[in] len number of elements + */ +CGLM_INLINE +void +glms_vec2_(unpack)(vec2 dst[], vec2s src[], size_t len) { + size_t i; + + for (i = 0; i < len; i++) { + glm_vec2_copy(src[i].raw, dst[i]); + } +} + +/*! + * @brief make vector zero + * + * @returns zero vector + */ +CGLM_INLINE +vec2s +glms_vec2_(zero)(void) { + vec2s r; + glm_vec2_zero(r.raw); + return r; +} + +/*! + * @brief make vector one + * + * @returns one vector + */ +CGLM_INLINE +vec2s +glms_vec2_(one)(void) { + vec2s r; + glm_vec2_one(r.raw); + return r; +} + +/*! + * @brief vec2 dot product + * + * @param[in] a vector1 + * @param[in] b vector2 + * + * @return dot product + */ +CGLM_INLINE +float +glms_vec2_(dot)(vec2s a, vec2s b) { + return glm_vec2_dot(a.raw, b.raw); +} + +/*! + * @brief vec2 cross product + * + * REF: http://allenchou.net/2013/07/cross-product-of-2d-vectors/ + * + * @param[in] a vector1 + * @param[in] b vector2 + * + * @return Z component of cross product + */ +CGLM_INLINE +float +glms_vec2_(cross)(vec2s a, vec2s b) { + return glm_vec2_cross(a.raw, b.raw); +} + +/*! + * @brief norm * norm (magnitude) of vec + * + * we can use this func instead of calling norm * norm, because it would call + * sqrtf function twice but with this func we can avoid func call, maybe this is + * not good name for this func + * + * @param[in] v vector + * + * @return norm * norm + */ +CGLM_INLINE +float +glms_vec2_(norm2)(vec2s v) { + return glm_vec2_norm2(v.raw); +} + +/*! + * @brief norm (magnitude) of vec2 + * + * @param[in] v vector + * + * @return norm + */ +CGLM_INLINE +float +glms_vec2_(norm)(vec2s v) { + return glm_vec2_norm(v.raw); +} + +/*! + * @brief add a vector to b vector store result in dest + * + * @param[in] a vector1 + * @param[in] b vector2 + * @returns destination vector + */ +CGLM_INLINE +vec2s +glms_vec2_(add)(vec2s a, vec2s b) { + vec2s r; + glm_vec2_add(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief add scalar to v vector store result in dest (d = v + s) + * + * @param[in] a vector + * @param[in] s scalar + * @returns destination vector + */ +CGLM_INLINE +vec2s +glms_vec2_(adds)(vec2s a, float s) { + vec2s r; + glm_vec2_adds(a.raw, s, r.raw); + return r; +} + +/*! + * @brief subtract b vector from a vector store result in dest + * + * @param[in] a vector1 + * @param[in] b vector2 + * @returns destination vector + */ +CGLM_INLINE +vec2s +glms_vec2_(sub)(vec2s a, vec2s b) { + vec2s r; + glm_vec2_sub(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief subtract scalar from v vector store result in dest (d = v - s) + * + * @param[in] a vector + * @param[in] s scalar + * @returns destination vector + */ +CGLM_INLINE +vec2s +glms_vec2_(subs)(vec2s a, float s) { + vec2s r; + glm_vec2_subs(a.raw, s, r.raw); + return r; +} + +/*! + * @brief multiply two vectors (component-wise multiplication) + * + * @param a vector1 + * @param b vector2 + * @returns result = (a[0] * b[0], a[1] * b[1]) + */ +CGLM_INLINE +vec2s +glms_vec2_(mul)(vec2s a, vec2s b) { + vec2s r; + glm_vec2_mul(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief multiply/scale vec2 vector with scalar: result = v * s + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination vector + */ +CGLM_INLINE +vec2s +glms_vec2_(scale)(vec2s v, float s) { + vec2s r; + glm_vec2_scale(v.raw, s, r.raw); + return r; +} + +/*! + * @brief make vec2 vector scale as specified: result = unit(v) * s + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination vector + */ +CGLM_INLINE +vec2s +glms_vec2_(scale_as)(vec2s v, float s) { + vec2s r; + glm_vec2_scale_as(v.raw, s, r.raw); + return r; +} + +/*! + * @brief div vector with another component-wise division: d = a / b + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns result = (a[0]/b[0], a[1]/b[1]) + */ +CGLM_INLINE +vec2s +glms_vec2_(div)(vec2s a, vec2s b) { + vec2s r; + glm_vec2_div(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief div vector with scalar: d = v / s + * + * @param[in] a vector + * @param[in] s scalar + * @returns result = (a[0]/s, a[1]/s) + */ +CGLM_INLINE +vec2s +glms_vec2_(divs)(vec2s a, float s) { + vec2s r; + glm_vec2_divs(a.raw, s, r.raw); + return r; +} + +/*! + * @brief add two vectors and add result to sum + * + * it applies += operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest += (a + b) + */ +CGLM_INLINE +vec2s +glms_vec2_(addadd)(vec2s a, vec2s b, vec2s dest) { + glm_vec2_addadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief sub two vectors and add result to dest + * + * it applies += operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest += (a + b) + */ +CGLM_INLINE +vec2s +glms_vec2_(subadd)(vec2s a, vec2s b, vec2s dest) { + glm_vec2_subadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief mul two vectors and add result to dest + * + * it applies += operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest += (a * b) + */ +CGLM_INLINE +vec2s +glms_vec2_(muladd)(vec2s a, vec2s b, vec2s dest) { + glm_vec2_muladd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief mul vector with scalar and add result to sum + * + * it applies += operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @returns dest += (a * b) + */ +CGLM_INLINE +vec2s +glms_vec2_(muladds)(vec2s a, float s, vec2s dest) { + glm_vec2_muladds(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief add max of two vectors to result/dest + * + * it applies += operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest += max(a, b) + */ +CGLM_INLINE +vec2s +glms_vec2_(maxadd)(vec2s a, vec2s b, vec2s dest) { + glm_vec2_maxadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief add min of two vectors to result/dest + * + * it applies += operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest += min(a, b) + */ +CGLM_INLINE +vec2s +glms_vec2_(minadd)(vec2s a, vec2s b, vec2s dest) { + glm_vec2_minadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief sub two vectors and sub result to dest + * + * it applies -= operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest -= (a - b) + */ +CGLM_INLINE +vec2s +glms_vec2_(subsub)(vec2s a, vec2s b, vec2s dest) { + glm_vec2_subsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief add two vectors and sub result to dest + * + * it applies -= operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest -= (a + b) + */ +CGLM_INLINE +vec2s +glms_vec2_(addsub)(vec2s a, vec2s b, vec2s dest) { + glm_vec2_addsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief mul two vectors and sub result to dest + * + * it applies -= operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest -= (a * b) + */ +CGLM_INLINE +vec2s +glms_vec2_(mulsub)(vec2s a, vec2s b, vec2s dest) { + glm_vec2_mulsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief mul vector with scalar and sub result to dest + * + * it applies -= operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @returns dest -= (a * b) + */ +CGLM_INLINE +vec2s +glms_vec2_(mulsubs)(vec2s a, float s, vec2s dest) { + glm_vec2_mulsubs(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief sub max of two vectors to dest + * + * it applies += operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest -= max(a, b) + */ +CGLM_INLINE +vec2s +glms_vec2_(maxsub)(vec2s a, vec2s b, vec2s dest) { + glm_vec2_maxsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief sub min of two vectors to dest + * + * it applies -= operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest -= min(a, b) + */ +CGLM_INLINE +vec2s +glms_vec2_(minsub)(vec2s a, vec2s b, vec2s dest) { + glm_vec2_minsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief negate vector components + * + * @param[in] v vector + * @returns negated vector + */ +CGLM_INLINE +vec2s +glms_vec2_(negate)(vec2s v) { + glm_vec2_negate(v.raw); + return v; +} + +/*! + * @brief normalize vec2 and store result in same vec + * + * @param[in] v vector + * @returns normalized vector + */ +CGLM_INLINE +vec2s +glms_vec2_(normalize)(vec2s v) { + glm_vec2_normalize(v.raw); + return v; +} + +/*! + * @brief rotate vec2 by angle using Rodrigues' rotation formula + * + * @param[in] v vector + * @param[in] angle angle by radians + * @returns rotated vector + */ +CGLM_INLINE +vec2s +glms_vec2_(rotate)(vec2s v, float angle) { + vec2s r; + glm_vec2_rotate(v.raw, angle, r.raw); + return r; +} + +/** + * @brief find center point of two vector + * + * @param[in] a vector1 + * @param[in] b vector2 + * @returns center point + */ +CGLM_INLINE +vec2s +glms_vec2_(center)(vec2s a, vec2s b) { + vec2s r; + glm_vec2_center(a.raw, b.raw, r.raw); + return r; +} + +/** + * @brief distance between two vectors + * + * @param[in] a vector1 + * @param[in] b vector2 + * @return distance + */ +CGLM_INLINE +float +glms_vec2_(distance)(vec2s a, vec2s b) { + return glm_vec2_distance(a.raw, b.raw); +} + +/** + * @brief squared distance between two vectors + * + * @param[in] a vector1 + * @param[in] b vector2 + * @return squared distance (distance * distance) + */ +CGLM_INLINE +float +glms_vec2_(distance2)(vec2s a, vec2s b) { + return glm_vec2_distance2(a.raw, b.raw); +} + +/*! + * @brief max values of vectors + * + * @param[in] a vector1 + * @param[in] b vector2 + * @returns destination + */ +CGLM_INLINE +vec2s +glms_vec2_(maxv)(vec2s a, vec2s b) { + vec2s r; + glm_vec2_maxv(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief min values of vectors + * + * @param[in] a vector1 + * @param[in] b vector2 + * @returns destination + */ +CGLM_INLINE +vec2s +glms_vec2_(minv)(vec2s a, vec2s b) { + vec2s r; + glm_vec2_minv(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief clamp vector's individual members between min and max values + * + * @param[in] v vector + * @param[in] minVal minimum value + * @param[in] maxVal maximum value + * @returns clamped vector + */ +CGLM_INLINE +vec2s +glms_vec2_(clamp)(vec2s v, float minVal, float maxVal) { + glm_vec2_clamp(v.raw, minVal, maxVal); + return v; +} + +/*! + * @brief linear interpolation between two vectors + * + * formula: from + s * (to - from) + * + * @param[in] from from value + * @param[in] to to value + * @param[in] t interpolant (amount) + * @returns destination + */ +CGLM_INLINE +vec2s +glms_vec2_(lerp)(vec2s from, vec2s to, float t) { + vec2s r; + glm_vec2_lerp(from.raw, to.raw, t, r.raw); + return r; +} + +/*! + * @brief threshold function + * + * @param[in] edge threshold + * @param[in] x value to test against threshold + * @returns destination + */ +CGLM_INLINE +vec2s +glms_vec2_(step)(vec2s edge, vec2s x) { + vec2s r; + glm_vec2_step(edge.raw, x.raw, r.raw); + return r; +} + +/*! + * @brief Create two dimensional vector from pointer + * + * @param[in] src pointer to an array of floats + * @returns constructed 2D vector from raw pointer + */ +CGLM_INLINE +vec2s +glms_vec2_(make)(const float * __restrict src) { + vec2s dest; + glm_vec2_make(src, dest.raw); + return dest; +} + +/*! + * @brief reflection vector using an incident ray and a surface normal + * + * @param[in] I incident vector + * @param[in] N normalized normal vector + * @returns reflection result + */ +CGLM_INLINE +vec2s +glms_vec2_(reflect)(vec2s v, vec2s n) { + vec2s dest; + glm_vec2_reflect(v.raw, n.raw, dest.raw); + return dest; +} + +/*! + * @brief computes refraction vector for an incident vector and a surface normal. + * + * calculates the refraction vector based on Snell's law. If total internal reflection + * occurs (angle too great given eta), dest is set to zero and returns false. + * Otherwise, computes refraction vector, stores it in dest, and returns true. + * + * @param[in] v normalized incident vector + * @param[in] n normalized normal vector + * @param[in] eta ratio of indices of refraction (incident/transmitted) + * @param[out] dest refraction vector if refraction occurs; zero vector otherwise + * + * @returns true if refraction occurs; false if total internal reflection occurs. + */ +CGLM_INLINE +bool +glms_vec2_(refract)(vec2s v, vec2s n, float eta, vec2s * __restrict dest) { + return glm_vec2_refract(v.raw, n.raw, eta, dest->raw); +} + +#endif /* cglms_vec2s_h */ diff --git a/include/cglm/struct/vec3-ext.h b/include/cglm/struct/vec3-ext.h new file mode 100644 index 0000000..6cd8ca0 --- /dev/null +++ b/include/cglm/struct/vec3-ext.h @@ -0,0 +1,325 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/*! + * @brief SIMD like functions + */ + +/* + Functions: + CGLM_INLINE vec3s glms_vec3_broadcast(float val); + CGLM_INLINE vec3s glms_vec3_fill(float val); + CGLM_INLINE bool glms_vec3_eq(vec3s v, float val); + CGLM_INLINE bool glms_vec3_eq_eps(vec3s v, float val); + CGLM_INLINE bool glms_vec3_eq_all(vec3s v); + CGLM_INLINE bool glms_vec3_eqv(vec3s a, vec3s b); + CGLM_INLINE bool glms_vec3_eqv_eps(vec3s a, vec3s b); + CGLM_INLINE float glms_vec3_max(vec3s v); + CGLM_INLINE float glms_vec3_min(vec3s v); + CGLM_INLINE bool glms_vec3_isnan(vec3s v); + CGLM_INLINE bool glms_vec3_isinf(vec3s v); + CGLM_INLINE bool glms_vec3_isvalid(vec3s v); + CGLM_INLINE vec3s glms_vec3_sign(vec3s v); + CGLM_INLINE vec3s glms_vec3_abs(vec3s v); + CGLM_INLINE vec3s glms_vec3_fract(vec3s v); + CGLM_INLINE vec3s glms_vec3_floor(vec3s v); + CGLM_INLINE vec3s glms_vec3_mods(vec3s v, float s); + CGLM_INLINE vec3s glms_vec3_steps(float edge, vec3s v); + CGLM_INLINE vec3s glms_vec3_stepr(vec3s edge, float v); + CGLM_INLINE float glms_vec3_hadd(vec3s v); + CGLM_INLINE vec3s glms_vec3_sqrt(vec3s v); + */ + +#ifndef cglms_vec3s_ext_h +#define cglms_vec3s_ext_h + +#include "../common.h" +#include "../types-struct.h" +#include "../util.h" +#include "../vec3-ext.h" + +/* api definition */ +#define glms_vec3_(NAME) CGLM_STRUCTAPI(vec3, NAME) + +/*! + * @brief fill a vector with specified value + * + * @param[in] val value + * @returns dest + */ +CGLM_INLINE +vec3s +glms_vec3_(broadcast)(float val) { + vec3s r; + glm_vec3_broadcast(val, r.raw); + return r; +} + +/*! + * @brief fill a vector with specified value + * + * @param[in] val value + * @returns dest + */ +CGLM_INLINE +vec3s +glms_vec3_(fill)(float val) { + vec3s r; + glm_vec3_fill(r.raw, val); + return r; +} + +/*! + * @brief check if vector is equal to value (without epsilon) + * + * @param[in] v vector + * @param[in] val value + */ +CGLM_INLINE +bool +glms_vec3_(eq)(vec3s v, float val) { + return glm_vec3_eq(v.raw, val); +} + +/*! + * @brief check if vector is equal to value (with epsilon) + * + * @param[in] v vector + * @param[in] val value + */ +CGLM_INLINE +bool +glms_vec3_(eq_eps)(vec3s v, float val) { + return glm_vec3_eq_eps(v.raw, val); +} + +/*! + * @brief check if vector members are equal (without epsilon) + * + * @param[in] v vector + */ +CGLM_INLINE +bool +glms_vec3_(eq_all)(vec3s v) { + return glm_vec3_eq_all(v.raw); +} + +/*! + * @brief check if vector is equal to another (without epsilon) + * + * @param[in] a vector + * @param[in] b vector + */ +CGLM_INLINE +bool +glms_vec3_(eqv)(vec3s a, vec3s b) { + return glm_vec3_eqv(a.raw, b.raw); +} + +/*! + * @brief check if vector is equal to another (with epsilon) + * + * @param[in] a vector + * @param[in] b vector + */ +CGLM_INLINE +bool +glms_vec3_(eqv_eps)(vec3s a, vec3s b) { + return glm_vec3_eqv_eps(a.raw, b.raw); +} + +/*! + * @brief max value of vector + * + * @param[in] v vector + */ +CGLM_INLINE +float +glms_vec3_(max)(vec3s v) { + return glm_vec3_max(v.raw); +} + +/*! + * @brief min value of vector + * + * @param[in] v vector + */ +CGLM_INLINE +float +glms_vec3_(min)(vec3s v) { + return glm_vec3_min(v.raw); +} + +/*! + * @brief check if one of items is NaN (not a number) + * you should only use this in DEBUG mode or very critical asserts + * + * @param[in] v vector + */ +CGLM_INLINE +bool +glms_vec3_(isnan)(vec3s v) { + return glm_vec3_isnan(v.raw); +} + +/*! + * @brief check if one of items is INFINITY + * you should only use this in DEBUG mode or very critical asserts + * + * @param[in] v vector + */ +CGLM_INLINE +bool +glms_vec3_(isinf)(vec3s v) { + return glm_vec3_isinf(v.raw); +} + +/*! + * @brief check if all items are valid number + * you should only use this in DEBUG mode or very critical asserts + * + * @param[in] v vector + */ +CGLM_INLINE +bool +glms_vec3_(isvalid)(vec3s v) { + return glm_vec3_isvalid(v.raw); +} + +/*! + * @brief get sign of 32 bit float as +1, -1, 0 + * + * Important: It returns 0 for zero/NaN input + * + * @param v vector + * @returns sign vector + */ +CGLM_INLINE +vec3s +glms_vec3_(sign)(vec3s v) { + vec3s r; + glm_vec3_sign(v.raw, r.raw); + return r; +} + +/*! + * @brief absolute value of each vector item + * + * @param[in] v vector + * @return destination vector + */ +CGLM_INLINE +vec3s +glms_vec3_(abs)(vec3s v) { + vec3s r; + glm_vec3_abs(v.raw, r.raw); + return r; +} + +/*! + * @brief fractional part of each vector item + * + * @param[in] v vector + * @return dest destination vector + */ +CGLM_INLINE +vec3s +glms_vec3_(fract)(vec3s v) { + vec3s r; + glm_vec3_fract(v.raw, r.raw); + return r; +} + +/*! + * @brief floor of each vector item + * + * @param[in] v vector + * @return dest destination vector + */ +CGLM_INLINE +vec3s +glms_vec3_(floor)(vec3s v) { + vec3s r; + glm_vec3_floor(v.raw, r.raw); + return r; +} + +/*! + * @brief mod of each vector item by scalar + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination vector + */ +CGLM_INLINE +vec3s +glms_vec3_(mods)(vec3s v, float s) { + vec3s r; + glm_vec3_mods(v.raw, s, r.raw); + return r; +} + +/*! + * @brief threshold each vector item with scalar + * condition is: (x[i] < edge) ? 0.0 : 1.0 + * + * @param[in] edge threshold + * @param[in] x vector to test against threshold + * @returns destination + */ +CGLM_INLINE +vec3s +glms_vec3_(steps)(float edge, vec3s x) { + vec3s r; + glm_vec3_steps(edge, x.raw, r.raw); + return r; +} + +/*! + * @brief threshold a value with *vector* as the threshold + * condition is: (x < edge[i]) ? 0.0 : 1.0 + * + * @param[in] edge threshold vector + * @param[in] x value to test against threshold + * @returns destination + */ +CGLM_INLINE +vec3s +glms_vec3_(stepr)(vec3s edge, float x) { + vec3s r; + glm_vec3_stepr(edge.raw, x, r.raw); + return r; +} + +/*! + * @brief vector reduction by summation + * @warning could overflow + * + * @param[in] v vector + * @return sum of all vector's elements + */ +CGLM_INLINE +float +glms_vec3_(hadd)(vec3s v) { + return glm_vec3_hadd(v.raw); +} + +/*! + * @brief square root of each vector item + * + * @param[in] v vector + * @returns destination vector + */ +CGLM_INLINE +vec3s +glms_vec3_(sqrt)(vec3s v) { + vec3s r; + glm_vec3_sqrt(v.raw, r.raw); + return r; +} + +#endif /* cglms_vec3s_ext_h */ diff --git a/include/cglm/struct/vec3.h b/include/cglm/struct/vec3.h new file mode 100644 index 0000000..a1d901e --- /dev/null +++ b/include/cglm/struct/vec3.h @@ -0,0 +1,1132 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Macros: + GLMS_VEC3_ONE_INIT + GLMS_VEC3_ZERO_INIT + GLMS_VEC3_ONE + GLMS_VEC3_ZERO + GLMS_YUP + GLMS_ZUP + GLMS_XUP + + Functions: + CGLM_INLINE vec3s glms_vec3(vec4s v4); + CGLM_INLINE void glms_vec3_pack(vec3s dst[], vec3 src[], size_t len); + CGLM_INLINE void glms_vec3_unpack(vec3 dst[], vec3s src[], size_t len); + CGLM_INLINE vec3s glms_vec3_zero(void); + CGLM_INLINE vec3s glms_vec3_one(void); + CGLM_INLINE float glms_vec3_dot(vec3s a, vec3s b); + CGLM_INLINE float glms_vec3_norm2(vec3s v); + CGLM_INLINE float glms_vec3_norm(vec3s v); + CGLM_INLINE float glms_vec3_norm_one(vec3s v); + CGLM_INLINE float glms_vec3_norm_inf(vec3s v); + CGLM_INLINE vec3s glms_vec3_add(vec3s a, vec3s b); + CGLM_INLINE vec3s glms_vec3_adds(vec3s a, float s); + CGLM_INLINE vec3s glms_vec3_sub(vec3s a, vec3s b); + CGLM_INLINE vec3s glms_vec3_subs(vec3s a, float s); + CGLM_INLINE vec3s glms_vec3_mul(vec3s a, vec3s b); + CGLM_INLINE vec3s glms_vec3_scale(vec3s v, float s); + CGLM_INLINE vec3s glms_vec3_scale_as(vec3s v, float s); + CGLM_INLINE vec3s glms_vec3_div(vec3s a, vec3s b); + CGLM_INLINE vec3s glms_vec3_divs(vec3s a, float s); + CGLM_INLINE vec3s glms_vec3_addadd(vec3s a, vec3s b, vec3s dest); + CGLM_INLINE vec3s glms_vec3_subadd(vec3s a, vec3s b, vec3s dest); + CGLM_INLINE vec3s glms_vec3_muladd(vec3s a, vec3s b, vec3s dest); + CGLM_INLINE vec3s glms_vec3_muladds(vec3s a, float s, vec3s dest); + CGLM_INLINE vec3s glms_vec3_maxadd(vec3s a, vec3s b, vec3s dest); + CGLM_INLINE vec3s glms_vec3_minadd(vec3s a, vec3s b, vec3s dest); + CGLM_INLINE vec3s glms_vec3_subsub(vec3s a, vec3s b, vec3s dest); + CGLM_INLINE vec3s glms_vec3_addsub(vec3s a, vec3s b, vec3s dest); + CGLM_INLINE vec3s glms_vec3_mulsub(vec3s a, vec3s b, vec3s dest); + CGLM_INLINE vec3s glms_vec3_mulsubs(vec3s a, float s, vec3s dest); + CGLM_INLINE vec3s glms_vec3_maxsub(vec3s a, vec3s b, vec3s dest); + CGLM_INLINE vec3s glms_vec3_minsub(vec3s a, vec3s b, vec3s dest); + CGLM_INLINE vec3s glms_vec3_flipsign(vec3s v); + CGLM_INLINE vec3s glms_vec3_negate(vec3s v); + CGLM_INLINE vec3s glms_vec3_normalize(vec3s v); + CGLM_INLINE vec3s glms_vec3_cross(vec3s a, vec3s b); + CGLM_INLINE vec3s glms_vec3_crossn(vec3s a, vec3s b); + CGLM_INLINE float glms_vec3_angle(vec3s a, vec3s b); + CGLM_INLINE vec3s glms_vec3_rotate(vec3s v, float angle, vec3s axis); + CGLM_INLINE vec3s glms_vec3_rotate_m4(mat4s m, vec3s v); + CGLM_INLINE vec3s glms_vec3_rotate_m3(mat3s m, vec3s v); + CGLM_INLINE vec3s glms_vec3_proj(vec3s a, vec3s b); + CGLM_INLINE vec3s glms_vec3_center(vec3s a, vec3s b); + CGLM_INLINE float glms_vec3_distance(vec3s a, vec3s b); + CGLM_INLINE float glms_vec3_distance2(vec3s a, vec3s b); + CGLM_INLINE vec3s glms_vec3_maxv(vec3s a, vec3s b); + CGLM_INLINE vec3s glms_vec3_minv(vec3s a, vec3s b); + CGLM_INLINE vec3s glms_vec3_ortho(vec3s v); + CGLM_INLINE vec3s glms_vec3_clamp(vec3s v, float minVal, float maxVal); + CGLM_INLINE vec3s glms_vec3_lerp(vec3s from, vec3s to, float t); + CGLM_INLINE vec3s glms_vec3_lerpc(vec3s from, vec3s to, float t); + CGLM_INLINE vec3s glms_vec3_mix(vec3s from, vec3s to, float t); + CGLM_INLINE vec3s glms_vec3_mixc(vec3s from, vec3s to, float t); + CGLM_INLINE vec3s glms_vec3_step(vec3s edge, vec3s x); + CGLM_INLINE vec3s glms_vec3_smoothstep_uni(float edge0, float edge1, vec3s x); + CGLM_INLINE vec3s glms_vec3_smoothstep(vec3s edge0, vec3s edge1, vec3s x); + CGLM_INLINE vec3s glms_vec3_smoothinterp(vec3s from, vec3s to, float t); + CGLM_INLINE vec3s glms_vec3_smoothinterpc(vec3s from, vec3s to, float t); + CGLM_INLINE vec3s glms_vec3_swizzle(vec3s v, int mask); + CGLM_INLINE vec3s glms_vec3_make(float * restrict src); + CGLM_INLINE vec3s glms_vec3_faceforward(vec3s n, vec3s v, vec3s nref); + CGLM_INLINE vec3s glms_vec3_reflect(vec3s v, vec3s n); + CGLM_INLINE bool glms_vec3_refract(vec3s v, vec3s n, float eta, vec3s *dest) + + Convenient: + CGLM_INLINE vec3s glms_cross(vec3s a, vec3s b); + CGLM_INLINE float glms_dot(vec3s a, vec3s b); + CGLM_INLINE vec3s glms_normalize(vec3s v); + + Deprecated: + glms_vec3_step_uni --> use glms_vec3_steps + */ + +#ifndef cglms_vec3s_h +#define cglms_vec3s_h + +#include "../common.h" +#include "../types-struct.h" +#include "../util.h" +#include "../vec3.h" +#include "vec3-ext.h" + +/* DEPRECATED! */ +#define glms_vec3_step_uni(edge, x) glms_vec3_steps(edge, x) + +#define GLMS_VEC3_ONE_INIT {GLM_VEC3_ONE_INIT} +#define GLMS_VEC3_ZERO_INIT {GLM_VEC3_ZERO_INIT} + +#define GLMS_VEC3_ONE ((vec3s)GLMS_VEC3_ONE_INIT) +#define GLMS_VEC3_ZERO ((vec3s)GLMS_VEC3_ZERO_INIT) + +#define GLMS_YUP ((vec3s){{0.0f, 1.0f, 0.0f}}) +#define GLMS_ZUP ((vec3s){{0.0f, 0.0f, 1.0f}}) +#define GLMS_XUP ((vec3s){{1.0f, 0.0f, 0.0f}}) + +/*! + * @brief init vec3 using vec4 + * + * @param[in] v4 vector4 + * @returns destination + */ +CGLM_INLINE +vec3s +glms_vec3(vec4s v4) { + vec3s r; + glm_vec3(v4.raw, r.raw); + return r; +} + +/*! + * @brief pack an array of vec3 into an array of vec3s + * + * @param[out] dst array of vec3 + * @param[in] src array of vec3s + * @param[in] len number of elements + */ +CGLM_INLINE +void +glms_vec3_(pack)(vec3s dst[], vec3 src[], size_t len) { + size_t i; + + for (i = 0; i < len; i++) { + glm_vec3_copy(src[i], dst[i].raw); + } +} + +/*! + * @brief unpack an array of vec3s into an array of vec3 + * + * @param[out] dst array of vec3s + * @param[in] src array of vec3 + * @param[in] len number of elements + */ +CGLM_INLINE +void +glms_vec3_(unpack)(vec3 dst[], vec3s src[], size_t len) { + size_t i; + + for (i = 0; i < len; i++) { + glm_vec3_copy(src[i].raw, dst[i]); + } +} + +/*! + * @brief make vector zero + * + * @returns zero vector + */ +CGLM_INLINE +vec3s +glms_vec3_(zero)(void) { + vec3s r; + glm_vec3_zero(r.raw); + return r; +} + +/*! + * @brief make vector one + * + * @returns one vector + */ +CGLM_INLINE +vec3s +glms_vec3_(one)(void) { + vec3s r; + glm_vec3_one(r.raw); + return r; +} + +/*! + * @brief vec3 dot product + * + * @param[in] a vector1 + * @param[in] b vector2 + * + * @return dot product + */ +CGLM_INLINE +float +glms_vec3_(dot)(vec3s a, vec3s b) { + return glm_vec3_dot(a.raw, b.raw); +} + +/*! + * @brief norm * norm (magnitude) of vec + * + * we can use this func instead of calling norm * norm, because it would call + * sqrtf function twice but with this func we can avoid func call, maybe this is + * not good name for this func + * + * @param[in] v vector + * + * @return norm * norm + */ +CGLM_INLINE +float +glms_vec3_(norm2)(vec3s v) { + return glm_vec3_norm2(v.raw); +} + +/*! + * @brief norm (magnitude) of vec3 + * + * @param[in] v vector + * + * @return norm + */ +CGLM_INLINE +float +glms_vec3_(norm)(vec3s v) { + return glm_vec3_norm(v.raw); +} + +/*! + * @brief L1 norm of vec3 + * Also known as Manhattan Distance or Taxicab norm. + * L1 Norm is the sum of the magnitudes of the vectors in a space. + * It is calculated as the sum of the absolute values of the vector components. + * In this norm, all the components of the vector are weighted equally. + * + * This computes: + * R = |v[0]| + |v[1]| + |v[2]| + * + * @param[in] v vector + * + * @return L1 norm + */ +CGLM_INLINE +float +glms_vec3_(norm_one)(vec3s v) { + return glm_vec3_norm_one(v.raw); +} + +/*! + * @brief Infinity norm of vec3 + * Also known as Maximum norm. + * Infinity Norm is the largest magnitude among each element of a vector. + * It is calculated as the maximum of the absolute values of the vector components. + * + * This computes: + * inf norm = max(|v[0]|, |v[1]|, |v[2]|) + * + * @param[in] v vector + * + * @return Infinity norm + */ +CGLM_INLINE +float +glms_vec3_(norm_inf)(vec3s v) { + return glm_vec3_norm_inf(v.raw); +} + +/*! + * @brief add a vector to b vector store result in dest + * + * @param[in] a vector1 + * @param[in] b vector2 + * @returns destination vector + */ +CGLM_INLINE +vec3s +glms_vec3_(add)(vec3s a, vec3s b) { + vec3s r; + glm_vec3_add(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief add scalar to v vector store result in dest (d = v + s) + * + * @param[in] a vector + * @param[in] s scalar + * @returns destination vector + */ +CGLM_INLINE +vec3s +glms_vec3_(adds)(vec3s a, float s) { + vec3s r; + glm_vec3_adds(a.raw, s, r.raw); + return r; +} + +/*! + * @brief subtract b vector from a vector store result in dest + * + * @param[in] a vector1 + * @param[in] b vector2 + * @returns destination vector + */ +CGLM_INLINE +vec3s +glms_vec3_(sub)(vec3s a, vec3s b) { + vec3s r; + glm_vec3_sub(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief subtract scalar from v vector store result in dest (d = v - s) + * + * @param[in] a vector + * @param[in] s scalar + * @returns destination vector + */ +CGLM_INLINE +vec3s +glms_vec3_(subs)(vec3s a, float s) { + vec3s r; + glm_vec3_subs(a.raw, s, r.raw); + return r; +} + +/*! + * @brief multiply two vectors (component-wise multiplication) + * + * @param a vector1 + * @param b vector2 + * @returns v3 = (a[0] * b[0], a[1] * b[1], a[2] * b[2]) + */ +CGLM_INLINE +vec3s +glms_vec3_(mul)(vec3s a, vec3s b) { + vec3s r; + glm_vec3_mul(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief multiply/scale vec3 vector with scalar: result = v * s + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination vector + */ +CGLM_INLINE +vec3s +glms_vec3_(scale)(vec3s v, float s) { + vec3s r; + glm_vec3_scale(v.raw, s, r.raw); + return r; +} + +/*! + * @brief make vec3 vector scale as specified: result = unit(v) * s + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination vector + */ +CGLM_INLINE +vec3s +glms_vec3_(scale_as)(vec3s v, float s) { + vec3s r; + glm_vec3_scale_as(v.raw, s, r.raw); + return r; +} + +/*! + * @brief div vector with another component-wise division: d = a / b + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns result = (a[0]/b[0], a[1]/b[1], a[2]/b[2]) + */ +CGLM_INLINE +vec3s +glms_vec3_(div)(vec3s a, vec3s b) { + vec3s r; + glm_vec3_div(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief div vector with scalar: d = v / s + * + * @param[in] a vector + * @param[in] s scalar + * @returns result = (a[0]/s, a[1]/s, a[2]/s) + */ +CGLM_INLINE +vec3s +glms_vec3_(divs)(vec3s a, float s) { + vec3s r; + glm_vec3_divs(a.raw, s, r.raw); + return r; +} + +/*! + * @brief add two vectors and add result to sum + * + * it applies += operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest += (a + b) + */ +CGLM_INLINE +vec3s +glms_vec3_(addadd)(vec3s a, vec3s b, vec3s dest) { + glm_vec3_addadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief sub two vectors and add result to dest + * + * it applies += operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest += (a + b) + */ +CGLM_INLINE +vec3s +glms_vec3_(subadd)(vec3s a, vec3s b, vec3s dest) { + glm_vec3_subadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief mul two vectors and add result to dest + * + * it applies += operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest += (a * b) + */ +CGLM_INLINE +vec3s +glms_vec3_(muladd)(vec3s a, vec3s b, vec3s dest) { + glm_vec3_muladd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief mul vector with scalar and add result to sum + * + * it applies += operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @returns dest += (a * b) + */ +CGLM_INLINE +vec3s +glms_vec3_(muladds)(vec3s a, float s, vec3s dest) { + glm_vec3_muladds(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief add max of two vectors to result/dest + * + * it applies += operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest += max(a, b) + */ +CGLM_INLINE +vec3s +glms_vec3_(maxadd)(vec3s a, vec3s b, vec3s dest) { + glm_vec3_maxadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief add min of two vectors to result/dest + * + * it applies += operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest += min(a, b) + */ +CGLM_INLINE +vec3s +glms_vec3_(minadd)(vec3s a, vec3s b, vec3s dest) { + glm_vec3_minadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief sub two vectors and sub result to dest + * + * it applies -= operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest -= (a - b) + */ +CGLM_INLINE +vec3s +glms_vec3_(subsub)(vec3s a, vec3s b, vec3s dest) { + glm_vec3_subsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief add two vectors and sub result to dest + * + * it applies -= operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest -= (a + b) + */ +CGLM_INLINE +vec3s +glms_vec3_(addsub)(vec3s a, vec3s b, vec3s dest) { + glm_vec3_addsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief mul two vectors and sub result to dest + * + * it applies -= operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest -= (a * b) + */ +CGLM_INLINE +vec3s +glms_vec3_(mulsub)(vec3s a, vec3s b, vec3s dest) { + glm_vec3_mulsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief mul vector with scalar and sub result to dest + * + * it applies -= operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @returns dest -= (a * b) + */ +CGLM_INLINE +vec3s +glms_vec3_(mulsubs)(vec3s a, float s, vec3s dest) { + glm_vec3_mulsubs(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief sub max of two vectors to dest + * + * it applies -= operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest -= max(a, b) + */ +CGLM_INLINE +vec3s +glms_vec3_(maxsub)(vec3s a, vec3s b, vec3s dest) { + glm_vec3_maxsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief sub min of two vectors to dest + * + * it applies -= operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest -= min(a, b) + */ +CGLM_INLINE +vec3s +glms_vec3_(minsub)(vec3s a, vec3s b, vec3s dest) { + glm_vec3_minsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief negate vector components and store result in dest + * + * @param[in] v vector + * @returns result vector + */ +CGLM_INLINE +vec3s +glms_vec3_(flipsign)(vec3s v) { + glm_vec3_flipsign(v.raw); + return v; +} + +/*! + * @brief negate vector components + * + * @param[in] v vector + * @returns negated vector + */ +CGLM_INLINE +vec3s +glms_vec3_(negate)(vec3s v) { + glm_vec3_negate(v.raw); + return v; +} + +/*! + * @brief normalize vec3 and store result in same vec + * + * @param[in] v vector + * @returns normalized vector + */ +CGLM_INLINE +vec3s +glms_vec3_(normalize)(vec3s v) { + glm_vec3_normalize(v.raw); + return v; +} + +/*! + * @brief cross product of two vector (RH) + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns destination + */ +CGLM_INLINE +vec3s +glms_vec3_(cross)(vec3s a, vec3s b) { + vec3s r; + glm_vec3_cross(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief cross product of two vector (RH) and normalize the result + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns destination + */ +CGLM_INLINE +vec3s +glms_vec3_(crossn)(vec3s a, vec3s b) { + vec3s r; + glm_vec3_crossn(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief angle between two vector + * + * @param[in] a vector1 + * @param[in] b vector2 + * + * @return angle as radians + */ +CGLM_INLINE +float +glms_vec3_(angle)(vec3s a, vec3s b) { + return glm_vec3_angle(a.raw, b.raw); +} + +/*! + * @brief rotate vec3 around axis by angle using Rodrigues' rotation formula + * + * @param[in] v vector + * @param[in] axis axis vector (must be unit vector) + * @param[in] angle angle by radians + * @returns rotated vector + */ +CGLM_INLINE +vec3s +glms_vec3_(rotate)(vec3s v, float angle, vec3s axis) { + glm_vec3_rotate(v.raw, angle, axis.raw); + return v; +} + +/*! + * @brief apply rotation matrix to vector + * + * matrix format should be (no perspective): + * a b c x + * e f g y + * i j k z + * 0 0 0 w + * + * @param[in] m affine matrix or rot matrix + * @param[in] v vector + * @returns rotated vector + */ +CGLM_INLINE +vec3s +glms_vec3_(rotate_m4)(mat4s m, vec3s v) { + vec3s r; + glm_vec3_rotate_m4(m.raw, v.raw, r.raw); + return r; +} + +/*! + * @brief apply rotation matrix to vector + * + * @param[in] m affine matrix or rot matrix + * @param[in] v vector + * @returns rotated vector + */ +CGLM_INLINE +vec3s +glms_vec3_(rotate_m3)(mat3s m, vec3s v) { + vec3s r; + glm_vec3_rotate_m3(m.raw, v.raw, r.raw); + return r; +} + +/*! + * @brief project a vector onto b vector + * + * @param[in] a vector1 + * @param[in] b vector2 + * @returns projected vector + */ +CGLM_INLINE +vec3s +glms_vec3_(proj)(vec3s a, vec3s b) { + vec3s r; + glm_vec3_proj(a.raw, b.raw, r.raw); + return r; +} + +/** + * @brief find center point of two vector + * + * @param[in] a vector1 + * @param[in] b vector2 + * @returns center point + */ +CGLM_INLINE +vec3s +glms_vec3_(center)(vec3s a, vec3s b) { + vec3s r; + glm_vec3_center(a.raw, b.raw, r.raw); + return r; +} + +/** + * @brief distance between two vectors + * + * @param[in] a vector1 + * @param[in] b vector2 + * @return distance + */ +CGLM_INLINE +float +glms_vec3_(distance)(vec3s a, vec3s b) { + return glm_vec3_distance(a.raw, b.raw); +} + +/** + * @brief squared distance between two vectors + * + * @param[in] a vector1 + * @param[in] b vector2 + * @return squared distance (distance * distance) + */ +CGLM_INLINE +float +glms_vec3_(distance2)(vec3s a, vec3s b) { + return glm_vec3_distance2(a.raw, b.raw); +} + +/*! + * @brief max values of vectors + * + * @param[in] a vector1 + * @param[in] b vector2 + * @returns destination + */ +CGLM_INLINE +vec3s +glms_vec3_(maxv)(vec3s a, vec3s b) { + vec3s r; + glm_vec3_maxv(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief min values of vectors + * + * @param[in] a vector1 + * @param[in] b vector2 + * @returns destination + */ +CGLM_INLINE +vec3s +glms_vec3_(minv)(vec3s a, vec3s b) { + vec3s r; + glm_vec3_minv(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief possible orthogonal/perpendicular vector + * + * @param[in] v vector + * @returns orthogonal/perpendicular vector + */ +CGLM_INLINE +vec3s +glms_vec3_(ortho)(vec3s v) { + vec3s r; + glm_vec3_ortho(v.raw, r.raw); + return r; +} + +/*! + * @brief clamp vector's individual members between min and max values + * + * @param[in] v vector + * @param[in] minVal minimum value + * @param[in] maxVal maximum value + * @returns clamped vector + */ +CGLM_INLINE +vec3s +glms_vec3_(clamp)(vec3s v, float minVal, float maxVal) { + glm_vec3_clamp(v.raw, minVal, maxVal); + return v; +} + +/*! + * @brief linear interpolation between two vectors + * + * formula: from + s * (to - from) + * + * @param[in] from from value + * @param[in] to to value + * @param[in] t interpolant (amount) + * @returns destination + */ +CGLM_INLINE +vec3s +glms_vec3_(lerp)(vec3s from, vec3s to, float t) { + vec3s r; + glm_vec3_lerp(from.raw, to.raw, t, r.raw); + return r; +} + +/*! + * @brief linear interpolation between two vectors (clamped) + * + * formula: from + s * (to - from) + * + * @param[in] from from value + * @param[in] to to value + * @param[in] t interpolant (amount) clamped between 0 and 1 + * @returns destination + */ +CGLM_INLINE +vec3s +glms_vec3_(lerpc)(vec3s from, vec3s to, float t) { + vec3s r; + glm_vec3_lerpc(from.raw, to.raw, t, r.raw); + return r; +} + +/*! + * @brief linear interpolation between two vectors + * + * formula: from + s * (to - from) + * + * @param[in] from from value + * @param[in] to to value + * @param[in] t interpolant (amount) + * @returns destination + */ +CGLM_INLINE +vec3s +glms_vec3_(mix)(vec3s from, vec3s to, float t) { + vec3s r; + glm_vec3_mix(from.raw, to.raw, t, r.raw); + return r; +} + +/*! + * @brief linear interpolation between two vectors (clamped) + * + * formula: from + s * (to - from) + * + * @param[in] from from value + * @param[in] to to value + * @param[in] t interpolant (amount) clamped between 0 and 1 + * @returns destination + */ +CGLM_INLINE +vec3s +glms_vec3_(mixc)(vec3s from, vec3s to, float t) { + vec3s r; + glm_vec3_mixc(from.raw, to.raw, t, r.raw); + return r; +} + +/*! + * @brief threshold function + * + * @param[in] edge threshold + * @param[in] x value to test against threshold + * @returns 0.0 if x < edge, else 1.0 + */ +CGLM_INLINE +vec3s +glms_vec3_(step)(vec3s edge, vec3s x) { + vec3s r; + glm_vec3_step(edge.raw, x.raw, r.raw); + return r; +} + +/*! + * @brief threshold function with a smooth transition (unidimensional) + * + * @param[in] edge0 low threshold + * @param[in] edge1 high threshold + * @param[in] x value to test against threshold + * @returns destination + */ +CGLM_INLINE +vec3s +glms_vec3_(smoothstep_uni)(float edge0, float edge1, vec3s x) { + vec3s r; + glm_vec3_smoothstep_uni(edge0, edge1, x.raw, r.raw); + return r; +} + +/*! + * @brief threshold function with a smooth transition + * + * @param[in] edge0 low threshold + * @param[in] edge1 high threshold + * @param[in] x value to test against threshold + * @returns destination + */ +CGLM_INLINE +vec3s +glms_vec3_(smoothstep)(vec3s edge0, vec3s edge1, vec3s x) { + vec3s r; + glm_vec3_smoothstep(edge0.raw, edge1.raw, x.raw, r.raw); + return r; +} + +/*! + * @brief smooth Hermite interpolation between two vectors + * + * formula: from + s * (to - from) + * + * @param[in] from from value + * @param[in] to to value + * @param[in] t interpolant (amount) + * @returns destination + */ +CGLM_INLINE +vec3s +glms_vec3_(smoothinterp)(vec3s from, vec3s to, float t) { + vec3s r; + glm_vec3_smoothinterp(from.raw, to.raw, t, r.raw); + return r; +} + +/*! + * @brief smooth Hermite interpolation between two vectors (clamped) + * + * formula: from + s * (to - from) + * + * @param[in] from from value + * @param[in] to to value + * @param[in] t interpolant (amount) clamped between 0 and 1 + * @returns destination + */ +CGLM_INLINE +vec3s +glms_vec3_(smoothinterpc)(vec3s from, vec3s to, float t) { + vec3s r; + glm_vec3_smoothinterpc(from.raw, to.raw, t, r.raw); + return r; +} + +/*! + * @brief vec3 cross product + * + * this is just convenient wrapper + * + * @param[in] a source 1 + * @param[in] b source 2 + * @returns destination + */ +CGLM_INLINE +vec3s +glms_cross(vec3s a, vec3s b) { + vec3s r; + glm_cross(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief vec3 dot product + * + * this is just convenient wrapper + * + * @param[in] a vector1 + * @param[in] b vector2 + * @return dot product + */ +CGLM_INLINE +float +glms_dot(vec3s a, vec3s b) { + return glm_dot(a.raw, b.raw); +} + +/*! + * @brief normalize vec3 and store result in same vec + * + * this is just convenient wrapper + * + * @param[in] v vector + * @returns normalized vector + */ +CGLM_INLINE +vec3s +glms_normalize(vec3s v) { + glm_normalize(v.raw); + return v; +} + +/*! + * @brief swizzle vector components + * + * you can use existing masks e.g. GLM_XXX, GLM_ZYX + * + * @param[in] v source + * @param[in] mask mask + * @returns swizzled vector + */ +CGLM_INLINE +vec3s +glms_vec3_(swizzle)(vec3s v, int mask) { + vec3s dest; + glm_vec3_swizzle(v.raw, mask, dest.raw); + return dest; +} + +/*! + * @brief Create three dimensional vector from pointer + * + * @param[in] src pointer to an array of floats + * @returns constructed 3D vector from raw pointer + */ +CGLM_INLINE +vec3s +glms_vec3_(make)(const float * __restrict src) { + vec3s dest; + glm_vec3_make(src, dest.raw); + return dest; +} + +/*! + * @brief a vector pointing in the same direction as another + * + * orients a vector to point away from a surface as defined by its normal + * + * @param[in] n vector to orient. + * @param[in] v incident vector + * @param[in] nref reference vector + * @returns oriented vector, pointing away from the surface. + */ +CGLM_INLINE +vec3s +glms_vec3_(faceforward)(vec3s n, vec3s v, vec3s nref) { + vec3s dest; + glm_vec3_faceforward(n.raw, v.raw, nref.raw, dest.raw); + return dest; +} + +/*! + * @brief reflection vector using an incident ray and a surface normal + * + * @param[in] I incident vector + * @param[in] N normalized normal vector + * @returns reflection result + */ +CGLM_INLINE +vec3s +glms_vec3_(reflect)(vec3s v, vec3s n) { + vec3s dest; + glm_vec3_reflect(v.raw, n.raw, dest.raw); + return dest; +} + +/*! + * @brief computes refraction vector for an incident vector and a surface normal. + * + * calculates the refraction vector based on Snell's law. If total internal reflection + * occurs (angle too great given eta), dest is set to zero and returns false. + * Otherwise, computes refraction vector, stores it in dest, and returns true. + * + * @param[in] v normalized incident vector + * @param[in] n normalized normal vector + * @param[in] eta ratio of indices of refraction (incident/transmitted) + * @param[out] dest refraction vector if refraction occurs; zero vector otherwise + * + * @returns true if refraction occurs; false if total internal reflection occurs. + */ +CGLM_INLINE +bool +glms_vec3_(refract)(vec3s v, vec3s n, float eta, vec3s * __restrict dest) { + return glm_vec3_refract(v.raw, n.raw, eta, dest->raw); +} + +#endif /* cglms_vec3s_h */ diff --git a/include/cglm/struct/vec4-ext.h b/include/cglm/struct/vec4-ext.h new file mode 100644 index 0000000..f57348e --- /dev/null +++ b/include/cglm/struct/vec4-ext.h @@ -0,0 +1,325 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/*! + * @brief SIMD like functions + */ + +/* + Functions: + CGLM_INLINE vec4s glms_vec4_broadcast(float val); + CGLM_INLINE vec4s glms_vec4_fill(float val); + CGLM_INLINE bool glms_vec4_eq(vec4s v, float val); + CGLM_INLINE bool glms_vec4_eq_eps(vec4s v, float val); + CGLM_INLINE bool glms_vec4_eq_all(vec4s v); + CGLM_INLINE bool glms_vec4_eqv(vec4s a, vec4s b); + CGLM_INLINE bool glms_vec4_eqv_eps(vec4s a, vec4s b); + CGLM_INLINE float glms_vec4_max(vec4s v); + CGLM_INLINE float glms_vec4_min(vec4s v); + CGLM_INLINE bool glms_vec4_isnan(vec4s v); + CGLM_INLINE bool glms_vec4_isinf(vec4s v); + CGLM_INLINE bool glms_vec4_isvalid(vec4s v); + CGLM_INLINE vec4s glms_vec4_sign(vec4s v); + CGLM_INLINE vec4s glms_vec4_abs(vec4s v); + CGLM_INLINE vec4s glms_vec4_fract(vec4s v); + CGLM_INLINE float glms_vec4_floor(vec4s v); + CGLM_INLINE float glms_vec4_mods(vec4s v, float s); + CGLM_INLINE float glms_vec4_steps(float edge, vec4s v); + CGLM_INLINE void glms_vec4_stepr(vec4s edge, float v); + CGLM_INLINE float glms_vec4_hadd(vec4s v); + CGLM_INLINE vec4s glms_vec4_sqrt(vec4s v); + */ + +#ifndef cglms_vec4s_ext_h +#define cglms_vec4s_ext_h + +#include "../common.h" +#include "../types-struct.h" +#include "../util.h" +#include "../vec4-ext.h" + +/* api definition */ +#define glms_vec4_(NAME) CGLM_STRUCTAPI(vec4, NAME) + +/*! + * @brief fill a vector with specified value + * + * @param val value + * @returns dest + */ +CGLM_INLINE +vec4s +glms_vec4_(broadcast)(float val) { + vec4s r; + glm_vec4_broadcast(val, r.raw); + return r; +} + +/*! + * @brief fill a vector with specified value + * + * @param val value + * @returns dest + */ +CGLM_INLINE +vec4s +glms_vec4_(fill)(float val) { + vec4s r; + glm_vec4_fill(r.raw, val); + return r; +} + +/*! + * @brief check if vector is equal to value (without epsilon) + * + * @param v vector + * @param val value + */ +CGLM_INLINE +bool +glms_vec4_(eq)(vec4s v, float val) { + return glm_vec4_eq(v.raw, val); +} + +/*! + * @brief check if vector is equal to value (with epsilon) + * + * @param v vector + * @param val value + */ +CGLM_INLINE +bool +glms_vec4_(eq_eps)(vec4s v, float val) { + return glm_vec4_eq_eps(v.raw, val); +} + +/*! + * @brief check if vector members are equal (without epsilon) + * + * @param v vector + */ +CGLM_INLINE +bool +glms_vec4_(eq_all)(vec4s v) { + return glm_vec4_eq_all(v.raw); +} + +/*! + * @brief check if vector is equal to another (without epsilon) + * + * @param a vector + * @param b vector + */ +CGLM_INLINE +bool +glms_vec4_(eqv)(vec4s a, vec4s b) { + return glm_vec4_eqv(a.raw, b.raw); +} + +/*! + * @brief check if vector is equal to another (with epsilon) + * + * @param a vector + * @param b vector + */ +CGLM_INLINE +bool +glms_vec4_(eqv_eps)(vec4s a, vec4s b) { + return glm_vec4_eqv_eps(a.raw, b.raw); +} + +/*! + * @brief max value of vector + * + * @param v vector + */ +CGLM_INLINE +float +glms_vec4_(max)(vec4s v) { + return glm_vec4_max(v.raw); +} + +/*! + * @brief min value of vector + * + * @param v vector + */ +CGLM_INLINE +float +glms_vec4_(min)(vec4s v) { + return glm_vec4_min(v.raw); +} + +/*! + * @brief check if one of items is NaN (not a number) + * you should only use this in DEBUG mode or very critical asserts + * + * @param[in] v vector + */ +CGLM_INLINE +bool +glms_vec4_(isnan)(vec4s v) { + return glm_vec4_isnan(v.raw); +} + +/*! + * @brief check if one of items is INFINITY + * you should only use this in DEBUG mode or very critical asserts + * + * @param[in] v vector + */ +CGLM_INLINE +bool +glms_vec4_(isinf)(vec4s v) { + return glm_vec4_isinf(v.raw); +} + +/*! + * @brief check if all items are valid number + * you should only use this in DEBUG mode or very critical asserts + * + * @param[in] v vector + */ +CGLM_INLINE +bool +glms_vec4_(isvalid)(vec4s v) { + return glm_vec4_isvalid(v.raw); +} + +/*! + * @brief get sign of 32 bit float as +1, -1, 0 + * + * Important: It returns 0 for zero/NaN input + * + * @param v vector + * @returns sign vector + */ +CGLM_INLINE +vec4s +glms_vec4_(sign)(vec4s v) { + vec4s r; + glm_vec4_sign(v.raw, r.raw); + return r; +} + +/*! + * @brief absolute value of each vector item + * + * @param[in] v vector + * @returns destination vector + */ +CGLM_INLINE +vec4s +glms_vec4_(abs)(vec4s v) { + vec4s r; + glm_vec4_abs(v.raw, r.raw); + return r; +} + +/*! + * @brief fractional part of each vector item + * + * @param[in] v vector + * @returns dest destination vector + */ +CGLM_INLINE +vec4s +glms_vec4_(fract)(vec4s v) { + vec4s r; + glm_vec4_fract(v.raw, r.raw); + return r; +} + +/*! + * @brief floor of each vector item + * + * @param[in] v vector + * @returns dest destination vector + */ +CGLM_INLINE +vec4s +glms_vec4_(floor)(vec4s v) { + vec4s r; + glm_vec4_floor(v.raw, r.raw); + return r; +} + +/*! + * @brief mod of each vector item by scalar + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination vector + */ +CGLM_INLINE +vec4s +glms_vec4_(mods)(vec4s v, float s) { + vec4s r; + glm_vec4_mods(v.raw, s, r.raw); + return r; +} + +/*! + * @brief threshold each vector item with scalar + * condition is: (x[i] < edge) ? 0.0 : 1.0 + * + * @param[in] edge threshold + * @param[in] x vector to test against threshold + * @returns destination + */ +CGLM_INLINE +vec4s +glms_vec4_(steps)(float edge, vec4s x) { + vec4s r; + glm_vec4_steps(edge, x.raw, r.raw); + return r; +} + +/*! + * @brief threshold a value with *vector* as the threshold + * condition is: (x < edge[i]) ? 0.0 : 1.0 + * + * @param[in] edge threshold vector + * @param[in] x value to test against threshold + * @returns destination + */ +CGLM_INLINE +vec4s +glms_vec4_(stepr)(vec4s edge, float x) { + vec4s r; + glm_vec4_stepr(edge.raw, x, r.raw); + return r; +} + +/*! + * @brief vector reduction by summation + * @warning could overflow + * + * @param[in] v vector + * @return sum of all vector's elements + */ +CGLM_INLINE +float +glms_vec4_(hadd)(vec4s v) { + return glm_vec4_hadd(v.raw); +} + +/*! + * @brief square root of each vector item + * + * @param[in] v vector + * @returns destination vector + */ +CGLM_INLINE +vec4s +glms_vec4_(sqrt)(vec4s v) { + vec4s r; + glm_vec4_sqrt(v.raw, r.raw); + return r; +} + +#endif /* cglms_vec4s_ext_h */ diff --git a/include/cglm/struct/vec4.h b/include/cglm/struct/vec4.h new file mode 100644 index 0000000..a64c1a3 --- /dev/null +++ b/include/cglm/struct/vec4.h @@ -0,0 +1,961 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Macros: + GLMS_VEC4_ONE_INIT + GLMS_VEC4_BLACK_INIT + GLMS_VEC4_ZERO_INIT + GLMS_VEC4_ONE + GLMS_VEC4_BLACK + GLMS_VEC4_ZERO + + Functions: + CGLM_INLINE vec4s glms_vec4(vec3s v3, float last); + CGLM_INLINE vec3s glms_vec4_copy3(vec4s v); + CGLM_INLINE vec4s glms_vec4_copy(vec4s v); + CGLM_INLINE vec4s glms_vec4_ucopy(vec4s v); + CGLM_INLINE void glms_vec4_pack(vec4s dst[], vec4 src[], size_t len); + CGLM_INLINE void glms_vec4_unpack(vec4 dst[], vec4s src[], size_t len); + CGLM_INLINE float glms_vec4_dot(vec4s a, vec4s b); + CGLM_INLINE float glms_vec4_norm2(vec4s v); + CGLM_INLINE float glms_vec4_norm(vec4s v); + CGLM_INLINE float glms_vec4_norm_one(vec4s v); + CGLM_INLINE float glms_vec4_norm_inf(vec4s v); + CGLM_INLINE vec4s glms_vec4_add(vec4s a, vec4s b); + CGLM_INLINE vec4s glms_vec4_adds(vec4s v, float s); + CGLM_INLINE vec4s glms_vec4_sub(vec4s a, vec4s b); + CGLM_INLINE vec4s glms_vec4_subs(vec4s v, float s); + CGLM_INLINE vec4s glms_vec4_mul(vec4s a, vec4s b); + CGLM_INLINE vec4s glms_vec4_scale(vec4s v, float s); + CGLM_INLINE vec4s glms_vec4_scale_as(vec4s v, float s); + CGLM_INLINE vec4s glms_vec4_div(vec4s a, vec4s b); + CGLM_INLINE vec4s glms_vec4_divs(vec4s v, float s); + CGLM_INLINE vec4s glms_vec4_addadd(vec4s a, vec4s b, vec4s dest); + CGLM_INLINE vec4s glms_vec4_subadd(vec4s a, vec4s b, vec4s dest); + CGLM_INLINE vec4s glms_vec4_muladd(vec4s a, vec4s b, vec4s dest); + CGLM_INLINE vec4s glms_vec4_muladds(vec4s a, float s, vec4s dest); + CGLM_INLINE vec4s glms_vec4_maxadd(vec4s a, vec4s b, vec4s dest); + CGLM_INLINE vec4s glms_vec4_minadd(vec4s a, vec4s b, vec4s dest); + CGLM_INLINE vec4s glms_vec4_subsub(vec4s a, vec4s b, vec4s dest); + CGLM_INLINE vec4s glms_vec4_addsub(vec4s a, vec4s b, vec4s dest); + CGLM_INLINE vec4s glms_vec4_mulsub(vec4s a, vec4s b, vec4s dest); + CGLM_INLINE vec4s glms_vec4_mulsubs(vec4s a, float s, vec4s dest); + CGLM_INLINE vec4s glms_vec4_maxsub(vec4s a, vec4s b, vec4s dest); + CGLM_INLINE vec4s glms_vec4_minsub(vec4s a, vec4s b, vec4s dest); + CGLM_INLINE vec4s glms_vec4_negate(vec4s v); + CGLM_INLINE vec4s glms_vec4_normalize(vec4s v); + CGLM_INLINE float glms_vec4_distance(vec4s a, vec4s b); + CGLM_INLINE float glms_vec4_distance2(vec4s a, vec4s b); + CGLM_INLINE vec4s glms_vec4_maxv(vec4s a, vec4s b); + CGLM_INLINE vec4s glms_vec4_minv(vec4s a, vec4s b); + CGLM_INLINE vec4s glms_vec4_clamp(vec4s v, float minVal, float maxVal); + CGLM_INLINE vec4s glms_vec4_lerp(vec4s from, vec4s to, float t); + CGLM_INLINE vec4s glms_vec4_lerpc(vec4s from, vec4s to, float t); + CGLM_INLINE vec4s glms_vec4_mix(vec4s from, vec4s to, float t); + CGLM_INLINE vec4s glms_vec4_mixc(vec4s from, vec4s to, float t); + CGLM_INLINE vec4s glms_vec4_step(vec4s edge, vec4s x); + CGLM_INLINE vec4s glms_vec4_smoothstep_uni(float edge0, float edge1, vec4s x); + CGLM_INLINE vec4s glms_vec4_smoothstep(vec4s edge0, vec4s edge1, vec4s x); + CGLM_INLINE vec4s glms_vec4_smoothinterp(vec4s from, vec4s to, float t); + CGLM_INLINE vec4s glms_vec4_smoothinterpc(vec4s from, vec4s to, float t); + CGLM_INLINE vec4s glms_vec4_cubic(float s); + CGLM_INLINE vec4s glms_vec4_swizzle(vec4s v, int mask); + CGLM_INLINE vec4s glms_vec4_make(float * restrict src); + CGLM_INLINE vec4s glms_vec4_reflect(vec4s v, vec4s n); + CGLM_INLINE bool glms_vec4_refract(vec4s v, vec4s n, float eta, vec4s *dest) + + Deprecated: + glms_vec4_step_uni --> use glms_vec4_steps + */ + +#ifndef cglms_vec4s_h +#define cglms_vec4s_h + +#include "../common.h" +#include "../types-struct.h" +#include "../util.h" +#include "../vec4.h" +#include "vec4-ext.h" + +/* DEPRECATED! */ +#define glms_vec4_step_uni(edge, x) glms_vec4_steps(edge, x) + +#define GLMS_VEC4_ONE_INIT {GLM_VEC4_ONE_INIT} +#define GLMS_VEC4_BLACK_INIT {GLM_VEC4_BLACK_INIT} +#define GLMS_VEC4_ZERO_INIT {GLM_VEC4_ZERO_INIT} + +#define GLMS_VEC4_ONE ((vec4s)GLM_VEC4_ONE_INIT) +#define GLMS_VEC4_BLACK ((vec4s)GLM_VEC4_BLACK_INIT) +#define GLMS_VEC4_ZERO ((vec4s)GLM_VEC4_ZERO_INIT) + +/*! + * @brief init vec4 using vec3 + * + * @param[in] v3 vector3 + * @param[in] last last item + * @returns destination + */ +CGLM_INLINE +vec4s +glms_vec4(vec3s v3, float last) { + vec4s r; + glm_vec4(v3.raw, last, r.raw); + return r; +} + +/*! + * @brief copy first 3 members of [a] to [dest] + * + * @param[in] v source + * @returns vec3 + */ +CGLM_INLINE +vec3s +glms_vec4_(copy3)(vec4s v) { + vec3s r; + glm_vec4_copy3(v.raw, r.raw); + return r; +} + +/*! + * @brief copy all members of [a] to [dest] + * + * @param[in] v source + * @returns destination + */ +CGLM_INLINE +vec4s +glms_vec4_(copy)(vec4s v) { + vec4s r; + glm_vec4_copy(v.raw, r.raw); + return r; +} + +/*! + * @brief copy all members of [a] to [dest] + * + * alignment is not required + * + * @param[in] v source + * @returns destination + */ +CGLM_INLINE +vec4s +glms_vec4_(ucopy)(vec4s v) { + vec4s r; + glm_vec4_ucopy(v.raw, r.raw); + return r; +} + +/*! + * @brief pack an array of vec4 into an array of vec4s + * + * @param[out] dst array of vec4 + * @param[in] src array of vec4s + * @param[in] len number of elements + */ +CGLM_INLINE +void +glms_vec4_(pack)(vec4s dst[], vec4 src[], size_t len) { + size_t i; + + for (i = 0; i < len; i++) { + glm_vec4_copy(src[i], dst[i].raw); + } +} + +/*! + * @brief unpack an array of vec4s into an array of vec4 + * + * @param[out] dst array of vec4s + * @param[in] src array of vec4 + * @param[in] len number of elements + */ +CGLM_INLINE +void +glms_vec4_(unpack)(vec4 dst[], vec4s src[], size_t len) { + size_t i; + + for (i = 0; i < len; i++) { + glm_vec4_copy(src[i].raw, dst[i]); + } +} + +/*! + * @brief make vector zero + * + * @returns zero vector + */ +CGLM_INLINE +vec4s +glms_vec4_(zero)(void) { + vec4s r; + glm_vec4_zero(r.raw); + return r; +} + +/*! + * @brief make vector one + * + * @returns one vector + */ +CGLM_INLINE +vec4s +glms_vec4_(one)(void) { + vec4s r; + glm_vec4_one(r.raw); + return r; +} + +/*! + * @brief vec4 dot product + * + * @param[in] a vector1 + * @param[in] b vector2 + * + * @return dot product + */ +CGLM_INLINE +float +glms_vec4_(dot)(vec4s a, vec4s b) { + return glm_vec4_dot(a.raw, b.raw); +} + +/*! + * @brief norm * norm (magnitude) of vec + * + * we can use this func instead of calling norm * norm, because it would call + * sqrtf function twice but with this func we can avoid func call, maybe this is + * not good name for this func + * + * @param[in] v vec4 + * + * @return norm * norm + */ +CGLM_INLINE +float +glms_vec4_(norm2)(vec4s v) { + return glm_vec4_norm2(v.raw); +} + +/*! + * @brief norm (magnitude) of vec4 + * + * @param[in] v vector + * + * @return norm + */ +CGLM_INLINE +float +glms_vec4_(norm)(vec4s v) { + return glm_vec4_norm(v.raw); +} + +/*! + * @brief L1 norm of vec4 + * Also known as Manhattan Distance or Taxicab norm. + * L1 Norm is the sum of the magnitudes of the vectors in a space. + * It is calculated as the sum of the absolute values of the vector components. + * In this norm, all the components of the vector are weighted equally. + * + * This computes: + * R = |v[0]| + |v[1]| + |v[2]| + |v[3]| + * + * @param[in] v vector + * + * @return L1 norm + */ +CGLM_INLINE +float +glms_vec4_(norm_one)(vec4s v) { + return glm_vec4_norm_one(v.raw); +} + +/*! + * @brief Infinity norm of vec4 + * Also known as Maximum norm. + * Infinity Norm is the largest magnitude among each element of a vector. + * It is calculated as the maximum of the absolute values of the vector components. + * + * This computes: + * inf norm = max(|v[0]|, |v[1]|, |v[2]|, |v[3]|) + * + * @param[in] v vector + * + * @return Infinity norm + */ +CGLM_INLINE +float +glms_vec4_(norm_inf)(vec4s v) { + return glm_vec4_norm_inf(v.raw); +} + +/*! + * @brief add b vector to a vector store result in dest + * + * @param[in] a vector1 + * @param[in] b vector2 + * @returns destination vector + */ +CGLM_INLINE +vec4s +glms_vec4_(add)(vec4s a, vec4s b) { + vec4s r; + glm_vec4_add(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief add scalar to v vector store result in dest (d = v + vec(s)) + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination vector + */ +CGLM_INLINE +vec4s +glms_vec4_(adds)(vec4s v, float s) { + vec4s r; + glm_vec4_adds(v.raw, s, r.raw); + return r; +} + +/*! + * @brief subtract b vector from a vector store result in dest (d = a - b) + * + * @param[in] a vector1 + * @param[in] b vector2 + * @returns destination vector + */ +CGLM_INLINE +vec4s +glms_vec4_(sub)(vec4s a, vec4s b) { + vec4s r; + glm_vec4_sub(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief subtract scalar from v vector store result in dest (d = v - vec(s)) + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination vector + */ +CGLM_INLINE +vec4s +glms_vec4_(subs)(vec4s v, float s) { + vec4s r; + glm_vec4_subs(v.raw, s, r.raw); + return r; +} + +/*! + * @brief multiply two vectors (component-wise multiplication) + * + * @param a vector1 + * @param b vector2 + * @returns dest = (a[0] * b[0], a[1] * b[1], a[2] * b[2], a[3] * b[3]) + */ +CGLM_INLINE +vec4s +glms_vec4_(mul)(vec4s a, vec4s b) { + vec4s r; + glm_vec4_mul(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief multiply/scale vec4 vector with scalar: result = v * s + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination vector + */ +CGLM_INLINE +vec4s +glms_vec4_(scale)(vec4s v, float s) { + vec4s r; + glm_vec4_scale(v.raw, s, r.raw); + return r; +} + +/*! + * @brief make vec4 vector scale as specified: result = unit(v) * s + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination vector + */ +CGLM_INLINE +vec4s +glms_vec4_(scale_as)(vec4s v, float s) { + vec4s r; + glm_vec4_scale_as(v.raw, s, r.raw); + return r; +} + +/*! + * @brief div vector with another component-wise division: d = a / b + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns result = (a[0]/b[0], a[1]/b[1], a[2]/b[2], a[3]/b[3]) + */ +CGLM_INLINE +vec4s +glms_vec4_(div)(vec4s a, vec4s b) { + vec4s r; + glm_vec4_div(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief div vec4 vector with scalar: d = v / s + * + * @param[in] v vector + * @param[in] s scalar + * @returns destination vector + */ +CGLM_INLINE +vec4s +glms_vec4_(divs)(vec4s v, float s) { + vec4s r; + glm_vec4_divs(v.raw, s, r.raw); + return r; +} + +/*! + * @brief add two vectors and add result to sum + * + * it applies += operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest += (a + b) + */ +CGLM_INLINE +vec4s +glms_vec4_(addadd)(vec4s a, vec4s b, vec4s dest) { + glm_vec4_addadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief sub two vectors and add result to dest + * + * it applies += operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest += (a - b) + */ +CGLM_INLINE +vec4s +glms_vec4_(subadd)(vec4s a, vec4s b, vec4s dest) { + glm_vec4_subadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief mul two vectors and add result to dest + * + * it applies += operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest += (a * b) + */ +CGLM_INLINE +vec4s +glms_vec4_(muladd)(vec4s a, vec4s b, vec4s dest) { + glm_vec4_muladd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief mul vector with scalar and add result to sum + * + * it applies += operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @returns dest += (a * b) + */ +CGLM_INLINE +vec4s +glms_vec4_(muladds)(vec4s a, float s, vec4s dest) { + glm_vec4_muladds(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief add max of two vectors to result/dest + * + * it applies += operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest += max(a, b) + */ +CGLM_INLINE +vec4s +glms_vec4_(maxadd)(vec4s a, vec4s b, vec4s dest) { + glm_vec4_maxadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief add min of two vectors to result/dest + * + * it applies += operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest += min(a, b) + */ +CGLM_INLINE +vec4s +glms_vec4_(minadd)(vec4s a, vec4s b, vec4s dest) { + glm_vec4_minadd(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief sub two vectors and sub result to dest + * + * it applies -= operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest -= (a + b) + */ +CGLM_INLINE +vec4s +glms_vec4_(subsub)(vec4s a, vec4s b, vec4s dest) { + glm_vec4_subsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief add two vectors and sub result to dest + * + * it applies -= operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest -= (a + b) + */ +CGLM_INLINE +vec4s +glms_vec4_(addsub)(vec4s a, vec4s b, vec4s dest) { + glm_vec4_addsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief mul two vectors and sub result to dest + * + * it applies -= operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest -= (a * b) + */ +CGLM_INLINE +vec4s +glms_vec4_(mulsub)(vec4s a, vec4s b, vec4s dest) { + glm_vec4_mulsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief mul vector with scalar and sub result to dest + * + * it applies -= operator so dest must be initialized + * + * @param[in] a vector + * @param[in] s scalar + * @returns dest -= (a * b) + */ +CGLM_INLINE +vec4s +glms_vec4_(mulsubs)(vec4s a, float s, vec4s dest) { + glm_vec4_mulsubs(a.raw, s, dest.raw); + return dest; +} + +/*! + * @brief sub max of two vectors to dest + * + * it applies -= operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest -= max(a, b) + */ +CGLM_INLINE +vec4s +glms_vec4_(maxsub)(vec4s a, vec4s b, vec4s dest) { + glm_vec4_maxsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief sub min of two vectors to dest + * + * it applies -= operator so dest must be initialized + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @returns dest -= min(a, b) + */ +CGLM_INLINE +vec4s +glms_vec4_(minsub)(vec4s a, vec4s b, vec4s dest) { + glm_vec4_minsub(a.raw, b.raw, dest.raw); + return dest; +} + +/*! + * @brief negate vector components and store result in dest + * + * @param[in] v vector + * @returns result vector + */ +CGLM_INLINE +vec4s +glms_vec4_(negate)(vec4s v) { + glm_vec4_negate(v.raw); + return v; +} + +/*! + * @brief normalize vec4 and store result in same vec + * + * @param[in] v vector + * @returns normalized vector + */ +CGLM_INLINE +vec4s +glms_vec4_(normalize)(vec4s v) { + glm_vec4_normalize(v.raw); + return v; +} + +/** + * @brief distance between two vectors + * + * @param[in] a vector1 + * @param[in] b vector2 + * @return returns distance + */ +CGLM_INLINE +float +glms_vec4_(distance)(vec4s a, vec4s b) { + return glm_vec4_distance(a.raw, b.raw); +} + +/** + * @brief squared distance between two vectors + * + * @param[in] a vector1 + * @param[in] b vector2 + * @return returns squared distance + */ +CGLM_INLINE +float +glms_vec4_(distance2)(vec4s a, vec4s b) { + return glm_vec4_distance2(a.raw, b.raw); +} + +/*! + * @brief max values of vectors + * + * @param[in] a vector1 + * @param[in] b vector2 + * @returns destination + */ +CGLM_INLINE +vec4s +glms_vec4_(maxv)(vec4s a, vec4s b) { + vec4s r; + glm_vec4_maxv(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief min values of vectors + * + * @param[in] a vector1 + * @param[in] b vector2 + * @returns destination + */ +CGLM_INLINE +vec4s +glms_vec4_(minv)(vec4s a, vec4s b) { + vec4s r; + glm_vec4_minv(a.raw, b.raw, r.raw); + return r; +} + +/*! + * @brief clamp vector's individual members between min and max values + * + * @param[in] v vector + * @param[in] minVal minimum value + * @param[in] maxVal maximum value + * @returns clamped vector + */ +CGLM_INLINE +vec4s +glms_vec4_(clamp)(vec4s v, float minVal, float maxVal) { + glm_vec4_clamp(v.raw, minVal, maxVal); + return v; +} + +/*! + * @brief linear interpolation between two vectors + * + * formula: from + s * (to - from) + * + * @param[in] from from value + * @param[in] to to value + * @param[in] t interpolant (amount) + * @returns destination + */ +CGLM_INLINE +vec4s +glms_vec4_(lerp)(vec4s from, vec4s to, float t) { + vec4s r; + glm_vec4_lerp(from.raw, to.raw, t, r.raw); + return r; +} + +/*! + * @brief linear interpolation between two vectors (clamped) + * + * formula: from + s * (to - from) + * + * @param[in] from from value + * @param[in] to to value + * @param[in] t interpolant (amount) clamped between 0 and 1 + * @returns destination + */ +CGLM_INLINE +vec4s +glms_vec4_(lerpc)(vec4s from, vec4s to, float t) { + vec4s r; + glm_vec4_lerpc(from.raw, to.raw, t, r.raw); + return r; +} + +/*! + * @brief linear interpolation between two vectors + * + * formula: from + s * (to - from) + * + * @param[in] from from value + * @param[in] to to value + * @param[in] t interpolant (amount) + * @returns destination + */ +CGLM_INLINE +vec4s +glms_vec4_(mix)(vec4s from, vec4s to, float t) { + vec4s r; + glm_vec4_mix(from.raw, to.raw, t, r.raw); + return r; +} + +/*! + * @brief linear interpolation between two vectors (clamped) + * + * formula: from + s * (to - from) + * + * @param[in] from from value + * @param[in] to to value + * @param[in] t interpolant (amount) clamped between 0 and 1 + * @returns destination + */ +CGLM_INLINE +vec4s +glms_vec4_(mixc)(vec4s from, vec4s to, float t) { + vec4s r; + glm_vec4_mixc(from.raw, to.raw, t, r.raw); + return r; +} + +/*! + * @brief threshold function + * + * @param[in] edge threshold + * @param[in] x value to test against threshold + * @returns 0.0 if x < edge, else 1.0 + */ +CGLM_INLINE +vec4s +glms_vec4_(step)(vec4s edge, vec4s x) { + vec4s r; + glm_vec4_step(edge.raw, x.raw, r.raw); + return r; +} + +/*! + * @brief threshold function with a smooth transition (unidimensional) + * + * @param[in] edge0 low threshold + * @param[in] edge1 high threshold + * @param[in] x value to test against threshold + * @returns destination + */ +CGLM_INLINE +vec4s +glms_vec4_(smoothstep_uni)(float edge0, float edge1, vec4s x) { + vec4s r; + glm_vec4_smoothstep_uni(edge0, edge1, x.raw, r.raw); + return r; +} + +/*! + * @brief threshold function with a smooth transition + * + * @param[in] edge0 low threshold + * @param[in] edge1 high threshold + * @param[in] x value to test against threshold + * @returns destination + */ +CGLM_INLINE +vec4s +glms_vec4_(smoothstep)(vec4s edge0, vec4s edge1, vec4s x) { + vec4s r; + glm_vec4_smoothstep(edge0.raw, edge1.raw, x.raw, r.raw); + return r; +} + +/*! + * @brief smooth Hermite interpolation between two vectors + * + * formula: from + s * (to - from) + * + * @param[in] from from value + * @param[in] to to value + * @param[in] t interpolant (amount) + * @returns destination + */ +CGLM_INLINE +vec4s +glms_vec4_(smoothinterp)(vec4s from, vec4s to, float t) { + vec4s r; + glm_vec4_smoothinterp(from.raw, to.raw, t, r.raw); + return r; +} + +/*! + * @brief smooth Hermite interpolation between two vectors (clamped) + * + * formula: from + s * (to - from) + * + * @param[in] from from value + * @param[in] to to value + * @param[in] t interpolant (amount) clamped between 0 and 1 + * @returns destination + */ +CGLM_INLINE +vec4s +glms_vec4_(smoothinterpc)(vec4s from, vec4s to, float t) { + vec4s r; + glm_vec4_smoothinterpc(from.raw, to.raw, t, r.raw); + return r; +} + +/*! + * @brief helper to fill vec4 as [S^3, S^2, S, 1] + * + * @param[in] s parameter + * @returns destination + */ +CGLM_INLINE +vec4s +glms_vec4_(cubic)(float s) { + vec4s r; + glm_vec4_cubic(s, r.raw); + return r; +} + +/*! + * @brief swizzle vector components + * + * you can use existing masks e.g. GLM_XXXX, GLM_WZYX + * + * @param[in] v source + * @param[in] mask mask + * @returns swizzled vector + */ +CGLM_INLINE +vec4s +glms_vec4_(swizzle)(vec4s v, int mask) { + vec4s dest; + glm_vec4_swizzle(v.raw, mask, dest.raw); + return dest; +} + +/*! + * @brief Create four dimensional vector from pointer + * + * @param[in] src pointer to an array of floats + * @returns constructed 4D vector from raw pointer + */ +CGLM_INLINE +vec4s +glms_vec4_(make)(const float * __restrict src) { + vec4s dest; + glm_vec4_make(src, dest.raw); + return dest; +} + +/*! + * @brief reflection vector using an incident ray and a surface normal + * + * @param[in] v incident vector + * @param[in] n normalized normal vector + * @returns reflection result + */ +CGLM_INLINE +vec4s +glms_vec4_(reflect)(vec4s v, vec4s n) { + vec4s dest; + glm_vec4_reflect(v.raw, n.raw, dest.raw); + return dest; +} + +/*! + * @brief computes refraction vector for an incident vector and a surface normal. + * + * calculates the refraction vector based on Snell's law. If total internal reflection + * occurs (angle too great given eta), dest is set to zero and returns false. + * Otherwise, computes refraction vector, stores it in dest, and returns true. + * + * this implementation does not explicitly preserve the 'w' component of the + * incident vector 'I' in the output 'dest', users requiring the preservation of + * the 'w' component should manually adjust 'dest' after calling this function. + * + * @param[in] v normalized incident vector + * @param[in] n normalized normal vector + * @param[in] eta ratio of indices of refraction (incident/transmitted) + * @param[out] dest refraction vector if refraction occurs; zero vector otherwise + * + * @returns true if refraction occurs; false if total internal reflection occurs. + */ +CGLM_INLINE +bool +glms_vec4_(refract)(vec4s v, vec4s n, float eta, vec4s * __restrict dest) { + return glm_vec4_refract(v.raw, n.raw, eta, dest->raw); +} + +#endif /* cglms_vec4s_h */ |