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vec4: helper to fill vec4 as [S^3, S^2, S, 1]

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This commit is contained in:
Recep Aslantas
2019-01-26 15:54:10 +03:00
parent fc7f958167
commit 59b9e54879
3 changed files with 29 additions and 0 deletions
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4
include/cglm/call/vec4.h
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@@ -153,6 +153,10 @@ CGLM_EXPORT
void
glmc_vec4_lerp(vec4 from, vec4 to, float t, vec4 dest);
CGLM_EXPORT
void
glmc_vec4_cubic(float s, vec4 dest);
/* ext */
CGLM_EXPORT

19
include/cglm/vec4.h
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@@ -800,4 +800,23 @@ glm_vec4_lerp(vec4 from, vec4 to, float t, vec4 dest) {
glm_vec4_add(from, v, dest);
}
/*!
* @brief helper to fill vec4 as [S^3, S^2, S, 1]
*
* @param[in] s parameter
* @param[out] dest destination
*/
CGLM_INLINE
void
glm_vec4_cubic(float s, vec4 dest) {
float ss;
ss = s * s;
dest[0] = s;
dest[1] = ss;
dest[2] = ss * s;
dest[3] = 1.0f;
}
#endif /* cglm_vec4_h */

6
src/vec4.c
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@@ -206,6 +206,12 @@ glmc_vec4_lerp(vec4 from, vec4 to, float t, vec4 dest) {
glm_vec4_lerp(from, to, t, dest);
}
CGLM_EXPORT
void
glmc_vec4_cubic(float s, vec4 dest) {
glm_vec4_cubic(s, dest);
}
/* ext */
CGLM_EXPORT