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function u(t) {
} //
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u(t) is called 60 times per second. t: Elapsed time in seconds. S: Shorthand for Math.sin. C: Shorthand for Math.cos. T: Shorthand for Math.tan. R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5) c: A 1920x1080 canvas. x: A 2D context for that canvas.
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jwc

function u(t) {

}//
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  • u/jwc
    Uncompressed: z=Math.random;X=2e3*z();Y=1e3*z();s=150+150*z();x.fillStyle=hsl(${z()*360},${z()*99}%,65%;if(t%.3<.02)for(i=0;A=Math.abs(s/3*C(4.4*i/s-2.2)),i<s;i+=4)for(j=-A;j<A+8;j++)x.fillRect(X+i,Y+j,4,2)

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u(t) is called 60 times per second. t: elapsed time in seconds. c: A 1920x1080 canvas. x: A 2D context for that canvas. S: Math.sin C: Math.cos T: Math.tan R: Generates rgba-strings, ex.: R(255, 255, 255, 0.5)