diff options
| author | Campbell Barton <ideasman42@gmail.com> | 2013-03-09 15:40:42 +0400 |
|---|---|---|
| committer | Campbell Barton <ideasman42@gmail.com> | 2013-03-09 15:40:42 +0400 |
| commit | abd1748e486e0948df26fb7a0cf42bce67f861ec (patch) | |
| tree | 8d5510d29295a07e710971ec088dce424de6ea6e /source/blender/blenlib/intern/math_matrix.c | |
| parent | e2ddd832dcdd890bc7d5ca29b1d8c3ec5848c620 (diff) | |
code cleanup: move runtime var zfac out of RegionView3D. rename initgrabz() -> ED_view3d_calc_zfac() and have it return the zfac to use.
Diffstat (limited to 'source/blender/blenlib/intern/math_matrix.c')
| -rw-r--r-- | source/blender/blenlib/intern/math_matrix.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/source/blender/blenlib/intern/math_matrix.c b/source/blender/blenlib/intern/math_matrix.c index 9d9e3e611e1..e8d0a434e7f 100644 --- a/source/blender/blenlib/intern/math_matrix.c +++ b/source/blender/blenlib/intern/math_matrix.c @@ -367,7 +367,9 @@ void mul_mat3_m4_v3(float mat[4][4], float vec[3]) void mul_project_m4_v3(float mat[4][4], float vec[3]) { - const float w = vec[0] * mat[0][3] + vec[1] * mat[1][3] + vec[2] * mat[2][3] + mat[3][3]; + const float w = (mat[0][3] * vec[0]) + + (mat[1][3] * vec[1]) + + (mat[2][3] * vec[2]) + mat[3][3]; mul_m4_v3(mat, vec); vec[0] /= w; |