mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-12-25 22:46:19 +01:00
29 lines
587 B
GLSL
29 lines
587 B
GLSL
varying vec2 v_vTexcoord;
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varying vec4 v_vColour;
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uniform vec4 color;
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uniform int fill;
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uniform float thickness;
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uniform float antialias;
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uniform float radius;
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void main() {
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float th = thickness == 0.? 0.05 : thickness;
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float aa = antialias == 0.? 0.05 : antialias;
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float rr = radius == 0.? 0.5 : radius;
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float dist = length(v_vTexcoord - .5) / rr - (1. - th - aa);
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float a;
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if(fill == 0) {
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dist = abs(dist);
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a = smoothstep(th + aa, th, dist);
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} else if(fill == 1) {
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a = smoothstep(aa, 0., dist);
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}
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vec4 c = mix(vec4(0.), color, a);
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gl_FragColor = c;
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}
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