mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-11-14 14:33:53 +01:00
30 lines
663 B
GLSL
30 lines
663 B
GLSL
varying vec4 v_vColour;
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varying vec2 v_vPosition;
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uniform sampler2D texture;
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uniform sampler2D textureBack;
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uniform vec2 dimension;
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uniform vec2 fr_flipPos;
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uniform vec2 fr_flipSize;
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uniform int hasBack;
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uniform int axis;
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uniform int flip;
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void main() {
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vec2 flSiz = fr_flipSize / dimension;
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vec2 flPos = fr_flipPos / dimension;
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vec2 pos = v_vPosition;
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if(flip == 1) {
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if(axis == 0) pos.y = 1. - pos.y;
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if(axis == 1) pos.x = 1. - pos.x;
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}
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vec2 coord = flPos + pos * flSiz;
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vec4 col;
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if(hasBack == 1 && flip == 1) col = texture2D( textureBack, coord );
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else col = texture2D( texture, coord );
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gl_FragColor = col;
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} |