16 lines
709 B
GLSL
16 lines
709 B
GLSL
// imitation of the Unreal Engine 1.x bMeshEnviroMap effect, not 1:1 but gets close
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// +
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// imitation of the Unreal Engine 1.x ambient glow effect
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// with the addition of a mask for blending the environment map with the base texture
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void SetupMaterial( inout Material mat )
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{
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vec4 base = getTexel(vTexCoord.st);
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float mask = texture(masktex,vTexCoord.st).x;
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vec3 eyedir = normalize(uCameraPos.xyz-pixelpos.xyz);
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vec3 norm = reflect(eyedir,normalize(vWorldNormal.xyz));
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mat.Base = vec4(base.rgb+texture(envtex,norm.xz*.5+.5).rgb*mask,base.a);
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float glow = .25+.2*sin(timer*8.);
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mat.Bright = vec4(vec3(glow),1.);
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mat.Normal = ApplyNormalMap(vTexCoord.st);
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mat.Normal = ApplyNormalMap(vTexCoord.st);
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}
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