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glm_lerpc(), glm_step(), glm_smoothstep(), glm_smoothinterp() (#98)

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* lerp, step, smoothstep

* glm_lerp() and friends are no longer clamped, use glm_lerpc() and friends
* mix() function as wrapper of lerp()
* no there are clamp and raw version of lerp functions
This commit is contained in:
Luigi Castelli
2019-08-25 21:17:36 +02:00
committed by Recep Aslantas
parent 43b36f1dc1
commit 4639f3184a
13 changed files with 978 additions and 23 deletions
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18
include/cglm/quat.h
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@@ -36,6 +36,7 @@
CGLM_INLINE void glm_quat_mat3(versor q, mat3 dest);
CGLM_INLINE void glm_quat_mat3t(versor q, mat3 dest);
CGLM_INLINE void glm_quat_lerp(versor from, versor to, float t, versor dest);
CGLM_INLINE void glm_quat_lerpc(versor from, versor to, float t, versor dest);
CGLM_INLINE void glm_quat_slerp(versor q, versor r, float t, versor dest);
CGLM_INLINE void glm_quat_look(vec3 eye, versor ori, mat4 dest);
CGLM_INLINE void glm_quat_for(vec3 dir, vec3 fwd, vec3 up, versor dest);
@@ -601,7 +602,7 @@ glm_quat_mat3t(versor q, mat3 dest) {
*
* @param[in] from from
* @param[in] to to
* @param[in] t interpolant (amount) clamped between 0 and 1
* @param[in] t interpolant (amount)
* @param[out] dest result quaternion
*/
CGLM_INLINE
@@ -610,6 +611,21 @@ glm_quat_lerp(versor from, versor to, float t, versor dest) {
glm_vec4_lerp(from, to, t, dest);
}
/*!
* @brief interpolates between two quaternions
* using linear interpolation (LERP)
*
* @param[in] from from
* @param[in] to to
* @param[in] t interpolant (amount) clamped between 0 and 1
* @param[out] dest result quaternion
*/
CGLM_INLINE
void
glm_quat_lerpc(versor from, versor to, float t, versor dest) {
glm_vec4_lerpc(from, to, t, dest);
}
/*!
* @brief interpolates between two quaternions
* using spherical linear interpolation (SLERP)