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https://github.com/Ttanasart-pt/Pixel-Composer.git
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21 lines
491 B
GLSL
21 lines
491 B
GLSL
varying vec2 v_vTexcoord;
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varying vec4 v_vColour;
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uniform vec2 dimension;
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uniform int axis;
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uniform vec2 origin;
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uniform float amount;
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float round(float x) { return x >= 0.? floor(x) : floor(x) + 1.; }
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void main() {
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vec2 px = v_vTexcoord * dimension;
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vec2 amo;
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if(axis == 0) amo = vec2(round(amount * (px.y - origin.y)), 0.);
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else if(axis == 1) amo = vec2(0., round(amount * (px.x - origin.x)));
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gl_FragColor = texture2D( gm_BaseTexture, v_vTexcoord - amo / dimension);
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}
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