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13 lines
232 B
GLSL
13 lines
232 B
GLSL
vec2 curve(vec2 uv)
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{
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uv = (uv - 0.5) * 2.0;
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uv *= 1.1;
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uv.x *= 1.0 + pow((abs(uv.y) / 5.0), 2.0);
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uv.y *= 1.0 + pow((abs(uv.x) / 4.0), 2.0);
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uv = (uv / 2.0) + 0.5;
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uv = uv *0.92 + 0.04;
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return uv;
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}
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// Missing mainImage!
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