diff options
Diffstat (limited to 'source/blender/blenlib/intern/math_matrix.c')
| -rw-r--r-- | source/blender/blenlib/intern/math_matrix.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/source/blender/blenlib/intern/math_matrix.c b/source/blender/blenlib/intern/math_matrix.c index 9d9e3e611e1..f116c9b8443 100644 --- a/source/blender/blenlib/intern/math_matrix.c +++ b/source/blender/blenlib/intern/math_matrix.c @@ -333,15 +333,15 @@ void mul_m4_v3(float mat[4][4], float vec[3]) vec[2] = x * mat[0][2] + y * mat[1][2] + mat[2][2] * vec[2] + mat[3][2]; } -void mul_v3_m4v3(float in[3], float mat[4][4], const float vec[3]) +void mul_v3_m4v3(float r[3], float mat[4][4], const float vec[3]) { float x, y; x = vec[0]; y = vec[1]; - in[0] = x * mat[0][0] + y * mat[1][0] + mat[2][0] * vec[2] + mat[3][0]; - in[1] = x * mat[0][1] + y * mat[1][1] + mat[2][1] * vec[2] + mat[3][1]; - in[2] = x * mat[0][2] + y * mat[1][2] + mat[2][2] * vec[2] + mat[3][2]; + r[0] = x * mat[0][0] + y * mat[1][0] + mat[2][0] * vec[2] + mat[3][0]; + r[1] = x * mat[0][1] + y * mat[1][1] + mat[2][1] * vec[2] + mat[3][1]; + r[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 mat[2][2], const float vec[2]) @@ -367,7 +367,7 @@ 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 = mul_project_m4_v3_zfac(mat, vec); mul_m4_v3(mat, vec); vec[0] /= w; |