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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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function u(t) {

}//
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  • #tree if(!t){z=[];for(r=Math.random,i=69;i--;)z.push({a:r(),x:y=960,y:y})} for(i of z)x.fillRect(i.x+=S(i.a),i.y-=C(i.a)+.8,v=9/t,v),i.a+=S(r()*99)/6,q=r()*69|0,w=r()*69|0;z[w].x=z[q].x,z[w].y=z[q].y

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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)