diff options
Diffstat (limited to 'source/blender/blenlib/intern/math_matrix.c')
| -rw-r--r-- | source/blender/blenlib/intern/math_matrix.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/source/blender/blenlib/intern/math_matrix.c b/source/blender/blenlib/intern/math_matrix.c index c12588463b0..9d9e3e611e1 100644 --- a/source/blender/blenlib/intern/math_matrix.c +++ b/source/blender/blenlib/intern/math_matrix.c @@ -344,10 +344,13 @@ void mul_v3_m4v3(float in[3], float mat[4][4], const float vec[3]) in[2] = x * mat[0][2] + y * mat[1][2] + mat[2][2] * vec[2] + mat[3][2]; } -void mul_v2_m2v2(float r[2], float M[2][2], const float v[2]) +void mul_v2_m2v2(float r[2], float mat[2][2], const float vec[2]) { - r[0] = M[0][0]*v[0] + M[1][0]*v[1]; - r[1] = M[0][1]*v[0] + M[1][1]*v[1]; + float x; + + x = vec[0]; + r[0] = mat[0][0] * x + mat[1][0] * vec[1]; + r[1] = mat[0][1] * x + mat[1][1] * vec[1]; } /* same as mul_m4_v3() but doesnt apply translation component */ |