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19 lines
448 B
Text
19 lines
448 B
Text
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uniform float timer;
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vec4 Process(vec4 color)
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{
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vec2 texCoord = gl_TexCoord[0].st;
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const float pi = 3.14159265358979323846;
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vec2 offset = vec2(0.0,0.0);
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float siny = sin(pi * 2.0 * (texCoord.y * 2.2 + timer * 0.75)) * 0.03;
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offset.y = siny + sin(pi * 2.0 * (texCoord.x * 0.75 + timer * 0.75)) * 0.03;
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offset.x = siny + sin(pi * 2.0 * (texCoord.x * 1.1 + timer * 0.45)) * 0.02;
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texCoord += offset;
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return getTexel(texCoord) * color;
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}
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