18 lines
384 B
GLSL
18 lines
384 B
GLSL
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uniform sampler2D tex;
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uniform sampler2D caustictex;
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uniform vec2 dir;
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uniform vec2 dir2;
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void main()
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{
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vec2 tc = gl_TexCoord[0].xy;
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vec3 col = texture2D(tex, tc).xyz;
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float caustic = texture2D(caustictex, tc + dir).x;
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float caustic2 = texture2D(caustictex, (tc.yx + dir2 * vec2(-0.6, 0.3)) * vec2(0.6)).x;
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col += caustic * caustic2 * 10.0;
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gl_FragColor = vec4(col, 1.0);
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}
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