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https://github.com/Ttanasart-pt/Pixel-Composer.git
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26 lines
No EOL
610 B
GLSL
26 lines
No EOL
610 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 cornerType;
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void main() {
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vec2 px = floor(v_vTexcoord * dimension);
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gl_FragColor = vec4(0.);
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float _h = ceil(dimension.y / 2.) - 1.;
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float _w = ceil(dimension.x / 2.) - 1.;
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if(px.x > _w) px.x = dimension.x - px.x - 1.;
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if(px.y > _h) px.y = dimension.y - px.y - 1.;
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if(cornerType == 0) {
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if(px.x <= _w && px.y <= _h && px.x / _w + px.y / _h >= 1.)
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gl_FragColor = vec4(1.);
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} else if(cornerType == 1) {
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if(px.x <= _w && px.y <= _h && px.x + px.y >= min(_w, _h))
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gl_FragColor = vec4(1.);
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}
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} |