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-rw-r--r--libdimension/reflective.c2
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),