23 lines
597 B
GLSL
23 lines
597 B
GLSL
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uniform vec3 osgOcean_Origin;
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uniform vec3 osgOcean_Extinction_c;
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uniform vec3 osgOcean_Eye;
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uniform float osgOcean_Spacing;
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varying vec3 vIntensity;
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void main(void)
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{
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gl_TexCoord[0] = gl_MultiTexCoord0;
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vec3 worldPos = gl_Vertex.xyz * vec3(osgOcean_Spacing,osgOcean_Spacing,1.0);
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worldPos += osgOcean_Origin;
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vec3 extinct = vec3(0.2,0.2,0.2);
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float totalDist = length(worldPos-osgOcean_Eye)/3.0;
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vIntensity = exp(-totalDist*osgOcean_Extinction_c);
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vIntensity = clamp(vIntensity, 0.0, 1.0);
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gl_Position = gl_ModelViewProjectionMatrix * vec4(worldPos,1.0);
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}
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