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fgdata/Shaders/light-cone.frag

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GLSL
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varying float fogCoord;
void main()
{
vec4 fragColor = gl_FrontMaterial.ambient;
// float fogFactor = exp(-gl_Fog.density * gl_Fog.density * fogCoord * fogCoord);
// gl_FragColor = mix(gl_Fog.color, fragColor, fogFactor);
gl_FragColor = fragColor;
}