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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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pavel
remix of d/14376 by u/pavel

function u(t) {

}//
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  • u/pavel
    172 t||(p=q=R=350,X=Y=r=s=5);P=p-X;Q=q-Y;P*P+Q*Q>1e5&&(U=P/15,V=Q/15);x.arc(p+=r*=p>=R&p<1570||-1,q+=s*=q>=R&q<730||-1,R,0,c.width|=0);x.arc(X+=U,Y+=++V,35,0,7);x.fill`evenodd`
  • u/DataMeta
    Would be very cool to see the ball decoupled from the container's reference frame. Could it fit within a compressed dweet?
  • u/pavel
    it is decoupled
  • u/DataMeta
    Somehow missed that. Awesome.

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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)