21 lines
532 B
Forth
21 lines
532 B
Forth
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#version 330
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#extension GL_ARB_separate_shader_objects : enable
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layout(location=1) in vec2 fsTex;
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layout(location=0) out vec4 target;
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uniform sampler2D frame;
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uniform sampler2D jacket;
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uniform float time;
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uniform float selected;
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void main()
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{
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vec4 jacket = texture(jacket, fsTex);
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vec4 frame = texture(frame, fsTex);
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float a = max(max(frame.x, frame.y), frame.z);
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float pulse = cos(time*2) * 0.25 + 0.25;
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a = a * 0.5 + pulse * selected;
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target = jacket * (0.3f + 0.7f * selected) * (1-a) + frame * a;
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target.a = frame.a;
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}
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