11 lines
334 B
GLSL
11 lines
334 B
GLSL
// http://byteblacksmith.com/improvements-to-the-canonical-one-liner-glsl-rand-for-opengl-es-2-0/
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highp float rand(mediump vec2 co)
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{
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highp float a = 12.9898;
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highp float b = 78.233;
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highp float c = 43758.5453;
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highp float dt= dot(co.xy, vec2(a,b));
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highp float sn= mod(dt, 3.14);
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return fract(sin(sn) * c);
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}
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