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mat3 mul by vec3

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Recep Aslantas
2016-10-10 17:44:17 +03:00
parent 0cbfd3cd3b
commit 77ed5d389d
1 changed files with 15 additions and 0 deletions
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15
include/cglm-mat3.h
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@@ -133,6 +133,21 @@ glm_mat3_transpose(mat3 m) {
#endif #endif
} }
/*!
* @brief multiply mat3 with vec3 (column vector) and store in dest vector
*
* @param[in] m mat3 (left)
* @param[in] v vec3 (right, column vector)
* @param[out] dest vec3 (result, column vector)
*/
CGLM_INLINE
void
glm_mat3_mulv(mat3 m, vec3 v, vec3 dest) {
dest[0] = m[0][0] * v[0] + m[1][0] * v[1] + m[2][0] * v[2];
dest[1] = m[0][1] * v[0] + m[1][1] * v[1] + m[2][1] * v[2];
dest[2] = m[0][2] * v[0] + m[1][2] * v[1] + m[2][2] * v[2];
}
CGLM_INLINE CGLM_INLINE
void void
glm_mat3_print(mat3 matrix, glm_mat3_print(mat3 matrix,