mirror of
https://github.com/tanema/light_world.lua.git
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12 lines
472 B
GLSL
12 lines
472 B
GLSL
extern Image imgBuffer;
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vec4 effect(vec4 color, Image texture, vec2 texture_coords, vec2 pixel_coords){
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vec4 pixel = Texel(texture, texture_coords);
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vec4 pixelBuffer = Texel(imgBuffer, texture_coords);
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if(texture_coords.y > 0.5) {
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return vec4(pixel.rgb * (texture_coords.y - 0.5) * 2.0 + pixelBuffer.rgb * (1.0 - texture_coords.y) * 2.0, 1.0);
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} else {
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return vec4(pixel.rgb * (0.5 - texture_coords.y) * 2.0 + pixelBuffer.rgb * texture_coords.y * 2.0, 1.0);
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}
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} |