19 lines
451 B
GLSL
19 lines
451 B
GLSL
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//#define FOG_FUNCTION
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//default fog
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//varying float fogCoord;
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varying vec3 PointPos;
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//varying vec4 EyePos;
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vec3 fog_Func(vec3 color, int type)
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{
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//if (type == 0){
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const float LOG2 = 1.442695;
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//vec3 EyePos = vec3(0.0);
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float fogCoord =length(PointPos);
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float fogFactor = exp2(-gl_Fog.density * gl_Fog.density * fogCoord * fogCoord * LOG2);
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if(gl_Fog.density == 1.0)
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fogFactor=1.0;
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return mix(gl_Fog.color.rgb, color, fogFactor);
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}
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