34 lines
917 B
GLSL
34 lines
917 B
GLSL
#version 330
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uniform float time;
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uniform sampler2D ourTexture;
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uniform int has_texture;
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out vec4 FragColor;
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flat in int vID;
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in vec2 texCoord;
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in vec3 position;
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in vec3 normal;
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float rand(float n)
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{
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return fract(sin(n) * 43758.5453123);
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}
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void main()
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{
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vec3 color = vec3(rand(float(vID + int(time))), rand(float(vID + int(time))), rand(float(vID + int(time))));
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vec3 n = normalize(vec3(10. * cos(time), 10., 10. * sin(time)) - position);
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float phong = 0.2 + 0.8 * max(0., dot(n, normalize(normal)));
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float specular = pow(max(dot(reflect(n, normalize(normal)), normalize(vec3(0, 0, -2) - position)), 0.), 10.);
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if (has_texture == 1) {
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FragColor = vec4(texture(ourTexture, texCoord).rgb * phong + vec3(1.) * specular, 1.);
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//FragColor = vec4(texCoord.xyx / 2. * phong + vec3(1.) * specular, 1.);
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}
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else {
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FragColor = vec4(color, 1.);
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}
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//FragColor = vec4(color * 0.001 + normal, 1.);
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}
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