28 lines
709 B
JavaScript
28 lines
709 B
JavaScript
R"raw_string(
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#version 120
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varying vec3 vertex;
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varying vec3 normal;
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uniform vec3 color;
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varying vec3 lightvec;
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void main()
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{
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//gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
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//gl_FragColor = vec4(0.5+0.5*vertex.xyz, 1.0);
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vec3 Eye = normalize(-vertex);
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vec3 Reflected = normalize(reflect( -lightvec, normal));
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//todo materials (& light color)
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vec4 IAmbient = vec4(0.2f, 0.2f, 0.2f, 1.0f);
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vec4 IDiffuse = vec4(color, 0.0f) * max(dot(normal, lightvec), 0.0);
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//todo shininess
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vec4 ISpecular = vec4(1.0f, 0.0f, 0.0f, 0.0f) * pow(max(dot(Reflected, Eye), 0.0), 3);
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gl_FragColor = vec4((IAmbient + IDiffuse) + ISpecular);
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//gl_FragColor = vec4(0.5+0.5*normal, 1.0);
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}
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)raw_string"
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