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25 regels
506 B
25 regels
506 B
#version 150
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in vec4 fPosition;
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in vec4 fColor;
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in vec4 fLightPosition;
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in vec3 fNormal;
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// output
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out vec4 color;
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void main(void)
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{
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vec3 o =-normalize(fPosition.xyz);
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vec3 n = normalize(fNormal);
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vec3 r = reflect(o,n);
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vec3 l = normalize(fLightPosition.xyz-fPosition.xyz);
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float ambient = 0.1;
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float diffus = 0.7*max(0.0,dot(n,l));
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float specular = 0.6*pow(max(0.0,-dot(r,l)),4.0);
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color = fColor * ( ambient + diffus + specular );
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/*color = vec3(1,0,0);*/
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}
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