#33 Reflect, code.

[Anonymous]

Originally created by: cheako

/*!

 * @brief reflect vector across a plain identified by it's normal 
 *        and store result in dest
 *
 * @param[in]  I    input
 * @param[in]  N    normalized normal
 * @param[out] dest reflected vector
 */
CGLM_INLINE
void
glm_vec4_reflect(vec4 I, vec4 N, vec4 dest) {
          vec4 mul1;
#ifdef CGLM_BE_MY_MOM
          glm_vec4_normalize(N);
#endif
          glm_vec4_scale(N, glm_vec4_dot(N, I) * 2.0f, mul1);
          glm_vec4_sub(I, mul1, dest);
}

[Anonymous]

Originally posted by: recp

Would you mind to create a PR for this?

• 2 spaces instead of TAB[s]
• vec3 version

If we want to create call version like glmc_vec4_reflect then the macro will be problem here, cglm must be rebuild with this macro.