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identiy helper for arrays (matrix/quaternion)

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this helpers makes all array elements identity
This commit is contained in:
Recep Aslantas
2018-09-12 12:44:11 +03:00
parent 2e1790ccf9
commit 98da3daf82
16 changed files with 122 additions and 7 deletions
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20
include/cglm/mat4.h
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@@ -23,6 +23,7 @@
CGLM_INLINE void glm_mat4_ucopy(mat4 mat, mat4 dest);
CGLM_INLINE void glm_mat4_copy(mat4 mat, mat4 dest);
CGLM_INLINE void glm_mat4_identity(mat4 mat);
CGLM_INLINE void glm_mat4_identity_array(mat4 * restrict mat, size_t count);
CGLM_INLINE void glm_mat4_pick3(mat4 mat, mat3 dest);
CGLM_INLINE void glm_mat4_pick3t(mat4 mat, mat3 dest);
CGLM_INLINE void glm_mat4_ins3(mat3 mat, mat4 dest);
@@ -143,6 +144,25 @@ glm_mat4_identity(mat4 mat) {
glm_mat4_copy(t, mat);
}
/*!
* @brief make given matrix array's each element identity matrix
*
* @param[in, out] mat matrix array (must be aligned (16/32)
* if alignment is not disabled)
*
* @param[in] count count of matrices
*/
CGLM_INLINE
void
glm_mat4_identity_array(mat4 * __restrict mat, size_t count) {
CGLM_ALIGN_MAT mat4 t = GLM_MAT4_IDENTITY_INIT;
size_t i;
for (i = 0; i < count; i++) {
glm_mat4_copy(t, mat[i]);
}
}
/*!
* @brief copy upper-left of mat4 to mat3
*