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https://git.code.sf.net/p/quake/quakeforge
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fea08de4cb
I don't know why exp(-dist^2) was thought to be a good idea, it's not at all correct, and I think exp(-dist) looks better.
9 lines
209 B
Text
9 lines
209 B
Text
vec4
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FogBlend (vec4 color, vec4 fog)
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{
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float az = fog.a * 1 / gl_FragCoord.w;
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vec4 fog_color = vec4 (fog.rgb, 1.0);
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float fog_factor = exp (-az);
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return mix (fog_color, color, fog_factor);
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}
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