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affine scale

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This commit is contained in:
Recep Aslantas
2016-09-11 17:00:20 +03:00
parent 7f4d4868eb
commit 38a87ec4a6
1 changed files with 21 additions and 1 deletions
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22
include/cglm-affine.h
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@@ -44,6 +44,8 @@ glm_translate_z(mat4 m, float to) {
m[3][2] += to; m[3][2] += to;
} }
/* move */
CGLM_INLINE CGLM_INLINE
void void
glm_move(mat4 m, vec3 v) { glm_move(mat4 m, vec3 v) {
@@ -66,8 +68,26 @@ glm_move_y(mat4 m, float to) {
CGLM_INLINE CGLM_INLINE
void void
glm_tmove_z(mat4 m, float to) { glm_move_z(mat4 m, float to) {
m[3][2] = to; m[3][2] = to;
} }
/* scale */
CGLM_INLINE
void
glm_scale(mat4 m, vec3 v, mat4 dest) {
dest[0][0] = m[0][0] * v[0];
dest[1][1] = m[1][1] * v[1];
dest[2][2] = m[2][2] * v[2];
}
CGLM_INLINE
void
glm_scale_self(mat4 m, vec3 v) {
m[0][0] *= v[0];
m[1][1] *= v[1];
m[2][2] *= v[2];
}
#endif /* cglm_affine_h */ #endif /* cglm_affine_h */