mirror of https://github.com/Leinnan/doppler.git
29 lines
605 B
GLSL
29 lines
605 B
GLSL
#version 330 core
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out vec4 FragColor;
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in vec2 TexCoords;
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uniform float screen_width;
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uniform float screen_height;
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uniform sampler2D screenTexture;
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uniform float pixelWidth = 3.0;
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uniform float pixelHeight = 3.0;
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void main()
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{
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vec2 uv = TexCoords.xy;
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uv *= 1.0 - uv.yx;
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float vig = uv.x*uv.y * 15.0;
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vig = pow(vig, 0.3);
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float dx = pixelWidth*(1.0/screen_width);
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float dy = pixelHeight*(1.0/screen_height);
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vec2 coord = vec2(dx*floor(TexCoords.x/dx), dy*floor(TexCoords.y/dy));
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vec3 tc = texture(screenTexture, coord).rgb;
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FragColor = vec4(tc,1.0) * vig;
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}
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