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function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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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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f8f82804

remix of d/9777 by u/f8f82804

function u(t) {

with(x){for(shadowColor=R(fillRect(0,0,i=c.width=294,i),i,i);i-=3;lineTo(i,y+32))moveTo(i-6,y=99*S(i^7*t));for(j=9;shadowBlur=j--;)stroke()}

Sep 12 2018 5:42 PM UTC

}// 140/140

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#electric #neon #rain, as requested by u/donbright

u/f8f82804

This is the best solution I found to having them not be too fast; we only change the pattern 7 times a second. Using S() means there are occasional patterns in the drops. Change to y=99*Math.random() to see the difference.
u/f8f82804

also see d/9803
u/donbright

hee hee, thanks

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