27 lines
597 B
GLSL
27 lines
597 B
GLSL
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vec4 Lightmode_Default()
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{
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vec4 color = vColor;
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if (FOG_BEFORE_LIGHTS)
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{
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// calculate fog factor
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float fogdist;
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if (FOG_RADIAL)
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fogdist = max(16.0, distance(pixelpos.xyz, uCameraPos.xyz));
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else
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fogdist = max(16.0, pixelpos.w);
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float fogfactor = exp2 (uFogDensity * fogdist);
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// brightening around the player for light mode 2
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if (fogdist < uLightDist)
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{
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color.rgb *= uLightFactor - (fogdist / uLightDist) * (uLightFactor - 1.0);
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}
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// apply light diminishing through fog equation
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color.rgb = mix(vec3(0.0, 0.0, 0.0), color.rgb, fogfactor);
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}
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return color;
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}
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