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| author | Tavian Barnes <tavianator@gmail.com> | 2010-02-25 22:03:11 -0500 |
|---|---|---|
| committer | Tavian Barnes <tavianator@gmail.com> | 2010-02-25 22:03:11 -0500 |
| commit | 40b180db2833e4e6ef835a463ca15ff865ce0d18 (patch) | |
| tree | ebb3f808374d653cd150852e252e68b9addca8d0 /libdimension/reflective.c | |
| parent | b27ad82573bc70d84bc4213ba00771f4746b36bc (diff) | |
| download | dimension-40b180db2833e4e6ef835a463ca15ff865ce0d18.tar.xz | |
Point the normal vectors away from the object.
Diffstat (limited to 'libdimension/reflective.c')
| -rw-r--r-- | libdimension/reflective.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libdimension/reflective.c b/libdimension/reflective.c index 9667072..726bf8d 100644 --- a/libdimension/reflective.c +++ b/libdimension/reflective.c @@ -37,7 +37,7 @@ dmnsn_reflective_finish_fn(const dmnsn_finish *finish, dmnsn_vector ray, dmnsn_vector normal) { dmnsn_reflection_params *params = finish->ptr; - double reflection = pow(dmnsn_vector_dot(ray, normal), params->falloff); + double reflection = pow(fabs(dmnsn_vector_dot(ray, normal)), params->falloff); return dmnsn_color_illuminate( dmnsn_color_gradient(params->min, params->max, reflection), |