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/*
* 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 */
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