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insert mat3 to mat4 upper-left

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Recep Aslantas
2016-10-11 13:58:30 +03:00
parent 822923a035
commit 21f62ba9ab
1 changed files with 23 additions and 1 deletions
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24
include/cglm-mat.h
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@@ -64,7 +64,7 @@ glm_mat4_dup(mat4 mat, mat4 dest) {
}
/*!
* @brief copy top-left of mat4 to mat3
* @brief copy upper-left of mat4 to mat3
*
* @param[in] mat source
* @param[out] dest destination
@@ -89,6 +89,28 @@ glm_mat4_pick3(mat4 mat, mat3 dest) {
#endif
}
/*!
* @brief copy mat3 to mat4's upper-left
*
* @param[in] mat source
* @param[out] dest destination
*/
CGLM_INLINE
void
glm_mat4_ins3(mat3 mat, mat4 dest) {
dest[0][0] = mat[0][0];
dest[0][1] = mat[0][1];
dest[0][2] = mat[0][2];
dest[1][0] = mat[1][0];
dest[1][1] = mat[1][1];
dest[1][2] = mat[1][2];
dest[2][0] = mat[2][0];
dest[2][1] = mat[2][1];
dest[2][2] = mat[2][2];
}
/*!
* @brief multiply m1 and m2 to dest
*