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opengl.shaders.lighting: Work around problem with specular highlighting.

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This commit is contained in:
Rod Kay
2024-02-25 18:35:44 +11:00
parent 6e2edae1fb
commit d328369d24
1 changed files with 7 additions and 6 deletions
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5
3-mid/opengl/assets/shader/lighting-frag.snippet
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@@ -67,14 +67,15 @@ apply_Light (light Light,
float diffuse_Coefficient = max (0.0,
dot (Normal,
Surface_to_Light));
vec3 Diffuse = diffuse_Coefficient * lit_surface_Color;
float specular_Coefficient = 0.0;
if (diffuse_Coefficient > 0.0)
{
specular_Coefficient = pow (max (0.0,
dot (Surface_to_Camera,
specular_Coefficient = pow (max (0.01, // Using '0.0' produces wierd results when
dot (Surface_to_Camera, // light shines directly on a flat surface.
reflect (-Surface_to_Light,
Normal))),
frag_Shine);