vec3: add new function glm_vec3_make

Function takes in a float array. Array must be
at least of size 3 and converts it into
a 3D vector.

Signed-off-by: Vincent Davis Jr <vince@underview.tech>

include/cglm/vec3.h

@@ -73,6 +73,7 @@
    CGLM_INLINE void  glm_vec3_smoothinterp(vec3 from, vec3 to, float t, vec3 dest);
    CGLM_INLINE void  glm_vec3_smoothinterpc(vec3 from, vec3 to, float t, vec3 dest);
    CGLM_INLINE void  glm_vec3_swizzle(vec3 v, int mask, vec3 dest);
+   CGLM_INLINE void  glm_vec3_make(float * restrict src, vec3 dest);
 
  Convenient:
    CGLM_INLINE void  glm_cross(vec3 a, vec3 b, vec3 d);
@@ -1079,4 +1080,18 @@ glm_normalize_to(vec3 v, vec3 dest) {
   glm_vec3_normalize_to(v, dest);
 }
 
+/*!
+ * @brief Create three dimensional vector from pointer
+ *
+ * @param[in]  src  pointer to an array of floats
+ * @param[out] dest destination vector
+ */
+CGLM_INLINE
+void
+glm_vec3_make(float * __restrict src, vec3 dest) {
+  dest[0] = src[0];
+  dest[1] = src[1];
+  dest[2] = src[2];
+}
+
 #endif /* cglm_vec3_h */