diff options
Diffstat (limited to 'libdimension/diffuse.c')
| -rw-r--r-- | libdimension/diffuse.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libdimension/diffuse.c b/libdimension/diffuse.c index 75d4c52..910e23f 100644 --- a/libdimension/diffuse.c +++ b/libdimension/diffuse.c @@ -32,7 +32,7 @@ dmnsn_diffuse_finish_fn(const dmnsn_finish *finish, dmnsn_vector ray, dmnsn_vector normal) { double *diffuse = finish->ptr; - double diffuse_factor = (*diffuse)*dmnsn_vector_dot(ray, normal); + double diffuse_factor = fabs((*diffuse)*dmnsn_vector_dot(ray, normal)); dmnsn_color ret = dmnsn_color_mul(diffuse_factor, dmnsn_color_illuminate(light, color)); ret.filter = 0.0; |