36 lines
1.1 KiB
Plaintext
36 lines
1.1 KiB
Plaintext
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uniform sampler2D Texture;
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uniform sampler2D NormalMap;
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uniform int NormalMapExists;
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uniform float FogBeginDistance;
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uniform float FogEndDistance;
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uniform vec4 FogColor;
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varying vec2 texCoord;
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varying vec3 camVec;
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varying vec3 lightVec;
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varying vec3 vertexPos;
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void main()
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{
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vec3 lVec = lightVec;
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vec3 cVec = normalize(camVec);
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//go-go-go
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vec3 TexRGB = texture2D(Texture, texCoord.xy).xyz;
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vec3 norm = vec3(0.0,0.0,1.0);
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float shineFactor = 15.0 * pow(max(dot(cVec, norm),0.0),gl_FrontMaterial.shininess) / (129.0 - gl_FrontMaterial.shininess);
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float light_coef = 1.0;
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vec4 ambient = gl_LightSource[0].ambient;
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vec4 diffuse = gl_FrontMaterial.diffuse * gl_LightSource[0].diffuse * min( max(dot(lVec,norm),0.0), light_coef);
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vec4 specular = gl_LightSource[0].specular * min(shineFactor, light_coef);
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float fogFactor = min(max(max(abs(vertexPos.x)-FogBeginDistance, abs(vertexPos.z)-FogBeginDistance),0.0)/(FogEndDistance - FogBeginDistance),1.0);
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gl_FragColor = mix(vec4(TexRGB,1.0)*ambient+(vec4(TexRGB,1.0)*diffuse+specular), FogColor, fogFactor);
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}
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