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Add additional functions for ivec2 and ivec3

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This commit is contained in:
Vitaliy Klychkov
2024-01-26 22:11:44 +00:00
parent 80d5064476
commit 30845124b4
9 changed files with 491 additions and 0 deletions
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98
include/cglm/ivec3.h
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@@ -17,12 +17,18 @@
CGLM_INLINE void glm_ivec3_copy(ivec3 a, ivec3 dest)
CGLM_INLINE void glm_ivec3_zero(ivec3 v)
CGLM_INLINE void glm_ivec3_one(ivec3 v)
CGLM_INLINE int glm_ivec3_dot(ivec3 a, ivec3 b)
CGLM_INLINE int glm_ivec3_norm2(ivec3 v)
CGLM_INLINE int glm_ivec3_norm(ivec3 v)
CGLM_INLINE void glm_ivec3_add(ivec3 a, ivec3 b, ivec3 dest)
CGLM_INLINE void glm_ivec3_adds(ivec3 v, int s, ivec3 dest)
CGLM_INLINE void glm_ivec3_sub(ivec3 a, ivec3 b, ivec3 dest)
CGLM_INLINE void glm_ivec3_subs(ivec3 v, int s, ivec3 dest)
CGLM_INLINE void glm_ivec3_mul(ivec3 a, ivec3 b, ivec3 dest)
CGLM_INLINE void glm_ivec3_scale(ivec3 v, int s, ivec3 dest)
CGLM_INLINE void glm_ivec3_div(ivec3 a, ivec3 b, ivec3 dest)
CGLM_INLINE void glm_ivec3_divs(ivec3 v, int s, ivec3 dest)
CGLM_INLINE void glm_ivec3_mod(ivec3 a, ivec3 b, ivec3 dest)
CGLM_INLINE void glm_ivec3_addadd(ivec3 a, ivec3 b, ivec3 dest)
CGLM_INLINE void glm_ivec3_addadds(ivec3 a, int s, ivec3 dest)
CGLM_INLINE void glm_ivec3_subadd(ivec3 a, ivec3 b, ivec3 dest)
@@ -112,6 +118,51 @@ glm_ivec3_one(ivec3 v) {
v[0] = v[1] = v[2] = 1;
}
/*!
* @brief ivec3 dot product
*
* @param[in] a vector1
* @param[in] b vector2
*
* @return dot product
*/
CGLM_INLINE
int
glm_ivec3_dot(ivec3 a, ivec3 b) {
return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
}
/*!
* @brief norm * norm (magnitude) of vec
*
* we can use this func instead of calling norm * norm, because it would call
* sqrtf fuction 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
glm_ivec3_norm2(ivec3 v) {
return glm_ivec3_dot(v, v);
}
/*!
* @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
glm_ivec3_norm(ivec3 v) {
return (int)sqrtf(glm_ivec3_norm2(v));
}
/*!
* @brief add vector [a] to vector [b] and store result in [dest]
*
@@ -202,6 +253,53 @@ glm_ivec3_scale(ivec3 v, int s, ivec3 dest) {
dest[2] = v[2] * 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], a[2]/b[2])
*/
CGLM_INLINE
void
glm_ivec3_div(ivec3 a, ivec3 b, ivec3 dest) {
dest[0] = a[0] / b[0];
dest[1] = a[1] / b[1];
dest[2] = a[2] / b[2];
}
/*!
* @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, a[2]/s)
*/
CGLM_INLINE
void
glm_ivec3_divs(ivec3 v, int s, ivec3 dest) {
dest[0] = v[0] / s;
dest[1] = v[1] / s;
dest[2] = v[2] / s;
}
/*!
* @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
* @param[out] dest result = (a[0]%b[0], a[1]%b[1], a[2]%b[2])
*/
CGLM_INLINE
void
glm_ivec3_mod(ivec3 a, ivec3 b, ivec3 dest) {
dest[0] = a[0] % b[0];
dest[1] = a[1] % b[1];
dest[2] = a[2] % b[2];
}
/*!
* @brief add vector [a] with vector [b] and add result to vector [dest]
*