28 lines
568 B
GLSL
28 lines
568 B
GLSL
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#version 330
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precision lowp float;
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in fData {
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vec3 to_eye;
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vec3 to_light;
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vec3 normal;
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} frag;
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out vec4 outColor;
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void main() {
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vec3 Kd = vec3(0.4, 0.5, 0.7);
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vec3 Ks = vec3(1.0);
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vec3 Ka = Kd * 0.2;
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vec3 to_light = normalize(frag.to_light);
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vec3 to_eye = normalize(frag.to_eye);
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vec3 normal = normalize(frag.normal);
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vec3 refl = reflect(-to_light, normal);
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float diffuse_factor = max(0.0, dot(to_light, normal));
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float specular_factor = pow(max(dot(to_eye, refl), 0.0), 10.0);
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outColor = vec4(Ka + Kd*diffuse_factor + Ks*specular_factor, 1.0f);
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}
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