Differential D10596 Diff 34773 source/blender/blenlib/intern/math_matrix.c

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Show First 20 Lines • Show All 2,134 Lines • ▼ Show 20 Lines	void mat3_to_rot_size(float rot[3][3], float size[3], const float mat3[3][3])
size[1] = normalize_v3_v3(rot[1], mat3[1]);		size[1] = normalize_v3_v3(rot[1], mat3[1]);
size[2] = normalize_v3_v3(rot[2], mat3[2]);		size[2] = normalize_v3_v3(rot[2], mat3[2]);
if (UNLIKELY(is_negative_m3(rot))) {		if (UNLIKELY(is_negative_m3(rot))) {
negate_m3(rot);		negate_m3(rot);
negate_v3(size);		negate_v3(size);
}		}
}		}

		void mat4_to_rot(float rot[3][3], const float wmat[4][4])
		{
		normalize_v3_v3(rot[0], wmat[0]);
		normalize_v3_v3(rot[1], wmat[1]);
		normalize_v3_v3(rot[2], wmat[2]);
		if (UNLIKELY(is_negative_m3(rot))) {
		negate_m3(rot);
		}
		}

void mat4_to_loc_rot_size(float loc[3], float rot[3][3], float size[3], const float wmat[4][4])		void mat4_to_loc_rot_size(float loc[3], float rot[3][3], float size[3], const float wmat[4][4])
{		{
float mat3[3][3]; /* wmat -> 3x3 */		float mat3[3][3]; /* wmat -> 3x3 */

copy_m3_m4(mat3, wmat);		copy_m3_m4(mat3, wmat);
mat3_to_rot_size(rot, size, mat3);		mat3_to_rot_size(rot, size, mat3);

/* location */		/* location */
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