22 lines
468 B
GLSL
22 lines
468 B
GLSL
// http://www.pouet.net/prod.php?which=57245
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#define t iTime
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#define r vec2(max(iResolution.x, iResolution.y))
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void mainImage( out vec4 fragColor, in vec2 fragCoord ){
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vec3 c;
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float l,z=t;
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for(int i=0;i<3;i++) {
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vec2 uv,p=fragCoord.xy/r;
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uv=p;
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p-=vec2(.5, 0.05);
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p.x*=r.x/r.y;
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z+=.07;
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l=length(p);
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uv+=p/l*(sin(z)+1.)*abs(sin(l*9.-z*2.));
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c[i]=.01/length(abs(mod(uv,1.)-.5));
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}
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fragColor=vec4(c/l,t);
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}
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// https://www.shadertoy.com/view/XsXXDn
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