Dweets by u/Pyrofoux

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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Pyrofoux

function u(t) {

t||(k=0,i=s=1);for(a=9e4;a--;)s+=(i*=-1)/(++k+k+1)
c.width^=0;x.font="150px A";x.fillText("π = "+4*s,200,510)

Mar 4 2017 4:51 PM UTC

}// 110/140

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We can get a lot more decimals with Ramanujan, but I couldn't make it fit in a 140bytes

u/donbright

c.width|=M=Math;(26390*n+1103)/M.pow(396,4)
u/donbright

oops sorry wrong textarea!!!!
u/donbright

so uhh looks like Ramanujan maxes out the JS floating point type after about n=4
u/donbright

unless u calc pi using an 'nth digit' formula i guess.......
u/Pyrofoux

Yep, that's what I meant by "more decimals" :)

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Pyrofoux

remix of d/1807 by u/fnurgel

function u(t) {

c.width^=0;for(i=2e3;i--;)x.fillStyle=`hsl(`+t*30+`,80%,50%)`,x.fillRect(0,i/2,2e3,S((T(t)*(1e3-i)/500)%360+i/100+S(t)+(i-i%100)*2)/1.5)

Mar 3 2017 4:44 PM UTC

}// 136/140

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Pyrofoux

function u(t) {

x[f="font"]=g="140px A",n=Array(9).join(0/0);7-(t=~~t%8+1)?x[h="fillText"](n,0,t<<8)+(5-t||x[h]("🦇",874,560,c.width^=0,x[f]=g)):c.width^=0

Feb 25 2017 2:41 PM UTC

}// 138/140

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Show more comments…
u/iverjo

Haha, I believe this is a reference to "wat" ^^
u/andres

Is this broken because of the emoji?
u/kaicarver

NaNNaN NaNNaN NaNNaN NaNNaN BATMAN!! :-) https://youtu.be/EtoMN_xi-AM
u/iverjo

3:31 in this video: https://www.destroyallsoftware.com/talks/wat
u/sigveseb

:D
u/Kalanchoe

Haha, nice reference! For those who see boxes, it's supposed to be a bat emoji (U+1F987)
u/d0n.key

I actually wanted to type "BATMAAAAN!!!" in the comments, but jokes on me...

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