diff options
| author | Aaditya Dhruv <[email protected]> | 2026-01-25 15:10:37 -0600 |
|---|---|---|
| committer | Aaditya Dhruv <[email protected]> | 2026-01-25 15:10:37 -0600 |
| commit | 118980e02e59ff31871df59dce257075394f3533 (patch) | |
| tree | 26fba4492bb4b561d21bf49b35d892a821d54fab /include/cglm/ivec2.h | |
| parent | 0e6e1245b70df4dfcba135d50e1b53d1a8ef7eb8 (diff) | |
wip
Diffstat (limited to 'include/cglm/ivec2.h')
| -rw-r--r-- | include/cglm/ivec2.h | 659 |
1 files changed, 659 insertions, 0 deletions
diff --git a/include/cglm/ivec2.h b/include/cglm/ivec2.h new file mode 100644 index 0000000..8d5ad88 --- /dev/null +++ b/include/cglm/ivec2.h @@ -0,0 +1,659 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Macros: + GLM_IVEC2_ONE_INIT + GLM_IVEC2_ZERO_INIT + GLM_IVEC2_ONE + GLM_IVEC2_ZERO + + Functions: + CGLM_INLINE void glm_ivec2(int * __restrict v, ivec2 dest) + CGLM_INLINE void glm_ivec2_copy(ivec2 a, ivec2 dest) + CGLM_INLINE void glm_ivec2_zero(ivec2 v) + CGLM_INLINE void glm_ivec2_one(ivec2 v) + CGLM_INLINE int glm_ivec2_dot(ivec2 a, ivec2 b) + CGLM_INLINE int glm_ivec2_cross(ivec2 a, ivec2 b) + CGLM_INLINE void glm_ivec2_add(ivec2 a, ivec2 b, ivec2 dest) + CGLM_INLINE void glm_ivec2_adds(ivec2 v, int s, ivec2 dest) + CGLM_INLINE void glm_ivec2_sub(ivec2 a, ivec2 b, ivec2 dest) + CGLM_INLINE void glm_ivec2_subs(ivec2 v, int s, ivec2 dest) + CGLM_INLINE void glm_ivec2_mul(ivec2 a, ivec2 b, ivec2 dest) + CGLM_INLINE void glm_ivec2_scale(ivec2 v, int s, ivec2 dest) + CGLM_INLINE void glm_ivec2_div(ivec2 a, ivec2 b, ivec2 dest) + CGLM_INLINE void glm_ivec2_divs(ivec2 v, int s, ivec2 dest) + CGLM_INLINE void glm_ivec2_mod(ivec2 a, ivec2 b, ivec2 dest) + CGLM_INLINE void glm_ivec2_addadd(ivec2 a, ivec2 b, ivec2 dest) + CGLM_INLINE void glm_ivec2_addadds(ivec2 a, int s, ivec2 dest) + CGLM_INLINE void glm_ivec2_subadd(ivec2 a, ivec2 b, ivec2 dest) + CGLM_INLINE void glm_ivec2_subadds(ivec2 a, int s, ivec2 dest) + CGLM_INLINE void glm_ivec2_muladd(ivec2 a, ivec2 b, ivec2 dest) + CGLM_INLINE void glm_ivec2_muladds(ivec2 a, int s, ivec2 dest) + CGLM_INLINE void glm_ivec2_maxadd(ivec2 a, ivec2 b, ivec2 dest) + CGLM_INLINE void glm_ivec2_minadd(ivec2 a, ivec2 b, ivec2 dest) + CGLM_INLINE void glm_ivec2_subsub(ivec2 a, ivec2 b, ivec2 dest) + CGLM_INLINE void glm_ivec2_subsubs(ivec2 a, int s, ivec2 dest) + CGLM_INLINE void glm_ivec2_addsub(ivec2 a, ivec2 b, ivec2 dest) + CGLM_INLINE void glm_ivec2_addsubs(ivec2 a, int s, ivec2 dest) + CGLM_INLINE void glm_ivec2_mulsub(ivec2 a, ivec2 b, ivec2 dest) + CGLM_INLINE void glm_ivec2_mulsubs(ivec2 a, int s, ivec2 dest) + CGLM_INLINE void glm_ivec2_maxsub(ivec2 a, ivec2 b, ivec2 dest) + CGLM_INLINE void glm_ivec2_minsub(ivec2 a, ivec2 b, ivec2 dest) + CGLM_INLINE int glm_ivec2_distance2(ivec2 a, ivec2 b) + CGLM_INLINE float glm_ivec2_distance(ivec2 a, ivec2 b) + CGLM_INLINE void glm_ivec2_fill(ivec2 v, int val); + CGLM_INLINE bool glm_ivec2_eq(ivec2 v, int val); + CGLM_INLINE bool glm_ivec2_eqv(ivec2 a, ivec2 b); + CGLM_INLINE void glm_ivec2_maxv(ivec2 a, ivec2 b, ivec2 dest) + CGLM_INLINE void glm_ivec2_minv(ivec2 a, ivec2 b, ivec2 dest) + CGLM_INLINE void glm_ivec2_clamp(ivec2 v, int minVal, int maxVal) + CGLM_INLINE void glm_ivec2_abs(ivec2 v, ivec2 dest) + */ + +#ifndef cglm_ivec2_h +#define cglm_ivec2_h + +#include "common.h" +#include "util.h" + +#define GLM_IVEC2_ONE_INIT {1, 1} +#define GLM_IVEC2_ZERO_INIT {0, 0} + +#define GLM_IVEC2_ONE ((ivec2)GLM_IVEC2_ONE_INIT) +#define GLM_IVEC2_ZERO ((ivec2)GLM_IVEC2_ZERO_INIT) + +/*! + * @brief init ivec2 using vec3 or vec4 + * + * @param[in] v vector + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec2(int * __restrict v, ivec2 dest) { + dest[0] = v[0]; + dest[1] = v[1]; +} + +/*! + * @brief copy all members of [a] to [dest] + * + * @param[in] a source vector + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec2_copy(ivec2 a, ivec2 dest) { + dest[0] = a[0]; + dest[1] = a[1]; +} + +/*! + * @brief set all members of [v] to zero + * + * @param[out] v vector + */ +CGLM_INLINE +void +glm_ivec2_zero(ivec2 v) { + v[0] = v[1] = 0; +} + +/*! + * @brief set all members of [v] to one + * + * @param[out] v vector + */ +CGLM_INLINE +void +glm_ivec2_one(ivec2 v) { + v[0] = v[1] = 1; +} + +/*! + * @brief ivec2 dot product + * + * @param[in] a vector1 + * @param[in] b vector2 + * + * @return dot product + */ +CGLM_INLINE +int +glm_ivec2_dot(ivec2 a, ivec2 b) { + return a[0] * b[0] + a[1] * b[1]; +} + +/*! + * @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 +glm_ivec2_cross(ivec2 a, ivec2 b) { + return a[0] * b[1] - a[1] * b[0]; +} + +/*! + * @brief add vector [a] to vector [b] and store result in [dest] + * + * @param[in] a first vector + * @param[in] b second vector + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec2_add(ivec2 a, ivec2 b, ivec2 dest) { + dest[0] = a[0] + b[0]; + dest[1] = a[1] + b[1]; +} + +/*! + * @brief add scalar s to vector [v] and store result in [dest] + * + * @param[in] v vector + * @param[in] s scalar + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec2_adds(ivec2 v, int s, ivec2 dest) { + dest[0] = v[0] + s; + dest[1] = v[1] + s; +} + +/*! + * @brief subtract vector [b] from vector [a] and store result in [dest] + * + * @param[in] a first vector + * @param[in] b second vector + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec2_sub(ivec2 a, ivec2 b, ivec2 dest) { + dest[0] = a[0] - b[0]; + dest[1] = a[1] - b[1]; +} + +/*! + * @brief subtract scalar s from vector [v] and store result in [dest] + * + * @param[in] v vector + * @param[in] s scalar + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec2_subs(ivec2 v, int s, ivec2 dest) { + dest[0] = v[0] - s; + dest[1] = v[1] - s; +} + +/*! + * @brief multiply vector [a] with vector [b] and store result in [dest] + * + * @param[in] a first vector + * @param[in] b second vector + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec2_mul(ivec2 a, ivec2 b, ivec2 dest) { + dest[0] = a[0] * b[0]; + dest[1] = a[1] * b[1]; +} + +/*! + * @brief multiply vector [a] with scalar s and store result in [dest] + * + * @param[in] v vector + * @param[in] s scalar + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec2_scale(ivec2 v, int s, ivec2 dest) { + dest[0] = v[0] * s; + dest[1] = v[1] * s; +} + +/*! + * @brief div vector with another component-wise division: d = a / b + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @param[out] dest result = (a[0]/b[0], a[1]/b[1]) + */ +CGLM_INLINE +void +glm_ivec2_div(ivec2 a, ivec2 b, ivec2 dest) { + dest[0] = a[0] / b[0]; + dest[1] = a[1] / b[1]; +} + +/*! + * @brief div vector with scalar: d = v / s + * + * @param[in] v vector + * @param[in] s scalar + * @param[out] dest result = (a[0]/s, a[1]/s) + */ +CGLM_INLINE +void +glm_ivec2_divs(ivec2 v, int s, ivec2 dest) { + dest[0] = v[0] / s; + dest[1] = v[1] / s; +} + +/*! + * @brief mod vector with another component-wise modulo: d = a % b + * + * @param[in] a vector 1 + * @param[in] b vector 2 + * @param[out] dest result = (a[0]%b[0], a[1]%b[1]) + */ +CGLM_INLINE +void +glm_ivec2_mod(ivec2 a, ivec2 b, ivec2 dest) { + dest[0] = a[0] % b[0]; + dest[1] = a[1] % b[1]; +} + +/*! + * @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[out] dest dest += (a + b) + */ +CGLM_INLINE +void +glm_ivec2_addadd(ivec2 a, ivec2 b, ivec2 dest) { + dest[0] += a[0] + b[0]; + dest[1] += a[1] + b[1]; +} + +/*! + * @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[out] dest dest += (a + s) + */ +CGLM_INLINE +void +glm_ivec2_addadds(ivec2 a, int s, ivec2 dest) { + dest[0] += a[0] + s; + dest[1] += a[1] + s; +} + +/*! + * @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[out] dest dest += (a - b) + */ +CGLM_INLINE +void +glm_ivec2_subadd(ivec2 a, ivec2 b, ivec2 dest) { + dest[0] += a[0] - b[0]; + dest[1] += a[1] - b[1]; +} + +/*! + * @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[out] dest dest += (a - s) + */ +CGLM_INLINE +void +glm_ivec2_subadds(ivec2 a, int s, ivec2 dest) { + dest[0] += a[0] - s; + dest[1] += a[1] - s; +} + +/*! + * @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[out] dest dest += (a * b) + */ +CGLM_INLINE +void +glm_ivec2_muladd(ivec2 a, ivec2 b, ivec2 dest) { + dest[0] += a[0] * b[0]; + dest[1] += a[1] * b[1]; +} + +/*! + * @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[out] dest dest += (a * s) + */ +CGLM_INLINE +void +glm_ivec2_muladds(ivec2 a, int s, ivec2 dest) { + dest[0] += a[0] * s; + dest[1] += a[1] * s; +} + +/*! + * @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[out] dest dest += max(a, b) + */ +CGLM_INLINE +void +glm_ivec2_maxadd(ivec2 a, ivec2 b, ivec2 dest) { + dest[0] += glm_imax(a[0], b[0]); + dest[1] += glm_imax(a[1], b[1]); +} + +/*! + * @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[out] dest dest += min(a, b) + */ +CGLM_INLINE +void +glm_ivec2_minadd(ivec2 a, ivec2 b, ivec2 dest) { + dest[0] += glm_imin(a[0], b[0]); + dest[1] += glm_imin(a[1], b[1]); +} + +/*! + * @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[out] dest dest -= (a - b) + */ +CGLM_INLINE +void +glm_ivec2_subsub(ivec2 a, ivec2 b, ivec2 dest) { + dest[0] -= a[0] - b[0]; + dest[1] -= a[1] - b[1]; +} + +/*! + * @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[out] dest dest -= (a - s) + */ +CGLM_INLINE +void +glm_ivec2_subsubs(ivec2 a, int s, ivec2 dest) { + dest[0] -= a[0] - s; + dest[1] -= a[1] - s; +} + +/*! + * @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[out] dest dest -= (a + b) + */ +CGLM_INLINE +void +glm_ivec2_addsub(ivec2 a, ivec2 b, ivec2 dest) { + dest[0] -= a[0] + b[0]; + dest[1] -= a[1] + b[1]; +} + +/*! + * @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[out] dest dest -= (a + b) + */ +CGLM_INLINE +void +glm_ivec2_addsubs(ivec2 a, int s, ivec2 dest) { + dest[0] -= a[0] + s; + dest[1] -= a[1] + s; +} + +/*! + * @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[out] dest dest -= (a * b) + */ +CGLM_INLINE +void +glm_ivec2_mulsub(ivec2 a, ivec2 b, ivec2 dest) { + dest[0] -= a[0] * b[0]; + dest[1] -= a[1] * b[1]; +} + +/*! + * @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[out] dest dest -= (a * s) + */ +CGLM_INLINE +void +glm_ivec2_mulsubs(ivec2 a, int s, ivec2 dest) { + dest[0] -= a[0] * s; + dest[1] -= a[1] * s; +} + +/*! + * @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[out] dest dest -= max(a, b) + */ +CGLM_INLINE +void +glm_ivec2_maxsub(ivec2 a, ivec2 b, ivec2 dest) { + dest[0] -= glm_imax(a[0], b[0]); + dest[1] -= glm_imax(a[1], b[1]); +} + +/*! + * @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[out] dest dest -= min(a, b) + */ +CGLM_INLINE +void +glm_ivec2_minsub(ivec2 a, ivec2 b, ivec2 dest) { + dest[0] -= glm_imin(a[0], b[0]); + dest[1] -= glm_imin(a[1], b[1]); +} + +/*! + * @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 +glm_ivec2_distance2(ivec2 a, ivec2 b) { + int xd, yd; + xd = a[0] - b[0]; + yd = a[1] - b[1]; + return xd * xd + yd * yd; +} + +/*! + * @brief distance between two vectors + * + * @param[in] a first vector + * @param[in] b second vector + * @return returns distance + */ +CGLM_INLINE +float +glm_ivec2_distance(ivec2 a, ivec2 b) { + return sqrtf((float)glm_ivec2_distance2(a, b)); +} + + +/*! + * @brief fill a vector with specified value + * + * @param[out] v dest + * @param[in] val value + */ +CGLM_INLINE +void +glm_ivec2_fill(ivec2 v, int val) { + v[0] = v[1] = val; +} + +/*! + * @brief check if vector is equal to value + * + * @param[in] v vector + * @param[in] val value + */ +CGLM_INLINE +bool +glm_ivec2_eq(ivec2 v, int val) { + return v[0] == val && v[0] == v[1]; +} + +/*! + * @brief check if vector is equal to another + * + * @param[in] a vector + * @param[in] b vector + */ +CGLM_INLINE +bool +glm_ivec2_eqv(ivec2 a, ivec2 b) { + return a[0] == b[0] + && a[1] == b[1]; +} + +/*! + * @brief set each member of dest to greater of vector a and b + * + * @param[in] a first vector + * @param[in] b second vector + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec2_maxv(ivec2 a, ivec2 b, ivec2 dest) { + dest[0] = a[0] > b[0] ? a[0] : b[0]; + dest[1] = a[1] > b[1] ? a[1] : b[1]; +} + +/*! + * @brief set each member of dest to lesser of vector a and b + * + * @param[in] a first vector + * @param[in] b second vector + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec2_minv(ivec2 a, ivec2 b, ivec2 dest) { + dest[0] = a[0] < b[0] ? a[0] : b[0]; + dest[1] = a[1] < b[1] ? a[1] : b[1]; +} + +/*! + * @brief clamp each member of [v] between minVal and maxVal (inclusive) + * + * @param[in, out] v vector + * @param[in] minVal minimum value + * @param[in] maxVal maximum value + */ +CGLM_INLINE +void +glm_ivec2_clamp(ivec2 v, int minVal, int maxVal) { + if (v[0] < minVal) + v[0] = minVal; + else if(v[0] > maxVal) + v[0] = maxVal; + + if (v[1] < minVal) + v[1] = minVal; + else if(v[1] > maxVal) + v[1] = maxVal; +} + +/*! + * @brief absolute value of v + * + * @param[in] v vector + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec2_abs(ivec2 v, ivec2 dest) { + dest[0] = abs(v[0]); + dest[1] = abs(v[1]); +} + +#endif /* cglm_ivec2_h */ |
