Dweets awesomed by u/Nexrem

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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Xen

remix of d/12619 by u/Nexrem

function u(t) {

z=950;for(c.width|=i=2e3;i--;x.lineTo(z+C(i-1)*z,540+S(t+i/3)*540))x.moveTo(z+C(i)*z,540+S(t-i/.6)*540);x.stroke()

Mar 5 2019 1:24 PM UTC

}// 114/140

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u/Nexrem

Nice, I tried something similar but didnt have enough chaes to scale the timing down for a smooth animation

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Nexrem

function u(t) {

c.width^=0;e=Math.floor;z=950;for(i=0;i<2000;i++){x.moveTo(z+C(i)*z,540+S(i*e(t))*540);x.lineTo(z+C(i+1)*z,540+S((i+1)*e(t))*540)}x.stroke()

Mar 5 2019 12:17 AM UTC

}// 140/140

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u/lionleaf

Nice one! Welcome to Dwitter :)
u/rodrigo.siqueira

Same result with just 77 characters, using ~~ instead of Math.floor; No need to x.moveTo; c.width can be together with other elements to avoid "0" in "^=0" and other shortcuts: for(c.width^=i=0;i<2e3;i++)x.lineTo(950+C(i)*950,540+S(i*~~t)*540);x.stroke()
u/Xen

Love it

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