External/cglm
1
0
Fork 0
mirror of https://github.com/recp/cglm.git synced 2025-10-04 01:00:46 +00:00
Code Issues Packages Projects Releases Wiki Activity

angle between two vector

Browse Source
This commit is contained in:
Recep Aslantas
2016-10-30 21:28:35 +02:00
parent b99d240425
commit f41fd0cc84
1 changed files with 11 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
include/cglm-vec.h
View File

@@ -374,6 +374,17 @@ glm_vec4_scale(vec4 v, float s, vec4 dest) {
#endif #endif
} }
/*!
* @brief angle betwen two vector
*
* @return angle as radians
*/
CGLM_INLINE
float
glm_vec_angle(vec3 v1, vec3 v2) {
return acosf(glm_vec_dot(v1, v2) / glm_vec_norm(v1) * glm_vec_norm(v2));
}
CGLM_INLINE CGLM_INLINE
void void
glm_vec_addvN(vec3 * __restrict vecs[], int len, vec3 dest) { glm_vec_addvN(vec3 * __restrict vecs[], int len, vec3 dest) {