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https://github.com/Ttanasart-pt/Pixel-Composer.git
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22 lines
420 B
GLSL
22 lines
420 B
GLSL
//
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// Simple passthrough fragment shader
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//
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varying vec2 v_vTexcoord;
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varying vec4 v_vColour;
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uniform vec2 position;
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uniform vec2 scale;
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uniform float width;
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void main() {
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vec2 _pos = v_vTexcoord + position;
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vec2 dist = _pos - floor(_pos * scale) / scale;
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float ww = width / 2.;
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if(dist == clamp(dist, vec2(ww), vec2(1. / scale - ww)))
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gl_FragColor = vec4(1.);
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else
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gl_FragColor = vec4(vec3(0.), 1.);
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}
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