Random dweets | Dwitter

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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Current theme challenge: #Food

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BirdsTweetCodersDweet

remix of d/8621 by u/Bugsy

function u(t) {

//for(c.width|=r=999;--r;x.lineTo(960+C(r+t)*a,540+S(r+t)*a))a=r/2,x.fillStyle=`hsl(${r*90},50%,50%)`,x.fill("evenodd")

Jun 17 2018 9:21 AM UTC

}// 119/140

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Uncomment to unleash this beautiful CPU killer :P (on my phone at least)

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taupelink

remix of d/35604 by u/taupelink

function u(t) {

for(i=z=2e3;i--;x.fillRect(i,300*t,w,z))x.fillStyle=`hsl(${5**(w=z&3)},${55-2**(z&=7)/4}%,${5*(z+=6+w*C(w+=6-z*S(i/525-z))*S(t/6*z-w))}%,.5`

Jun 15 2026 1:41 PM UTC

}// 140/140

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d/35618 Abstract forest scene

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KilledByAPixel

function u(t) {

for(j=9;j--;)for(i=150;i--;x.fillRect(...j<8?[0,460+i+S(j+t)*460,2e3,2]:[0,0,2e3,2e3]))x.fillStyle=`hsl(${j*45} 99%${i<75?i:150-i}%`

Aug 19 2025 2:23 PM UTC

}// 132/140

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Raster Bars 🖥️ https://en.wikipedia.org/wiki/Raster_bar

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CodeUh

remix of d/2868 by u/CodeUh

function u(t) {

c.width=1920;x.beginPath();x.translate(900,550);x.scale(9,9)
  for(i=0;i<99;i++)
    x.lineTo(50*C(t*i/900),50*S(t*i/9));
  x.stroke();

Jul 15 2017 4:49 PM UTC

}// 138/140

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khalkeus

function u(t) {

w=960;h=500;c.width=w*2;
for(i=0;i<w*2/9;i++)
for(j=0;j<1;j++){{z=C((i-j)-t)*255;x.fillStyle=R(z,z,z);x.fillRect(i*9,S(t+i)*w/4+h,9,9)}}

Feb 25 2017 12:00 AM UTC

}// 136/140

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Bloodyaugust

function u(t) {

c.width|=0;b=5e2;for(i=b;i--;){x.fillRect(i*C(i*(S(t/2)*1.5)/32)+960,i*S(i*(S(t/2)*1.5)/32*S(t))+540,20,20)}

Sep 15 2023 6:54 PM UTC

}// 108/140

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Bouncy

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cagr30

function u(t) {

(F=Z=>{for(x.fillStyle=R(W=1/Z*4e3,W/2,W/4),i=Z*Z*2;n=i%Z,m=i/Z|1,i--;n%-5^m%1&&x.fillRect((n-t%8-9)*W,(S(t)+m-1)*W,W,W));Z&&F(Z-6)})(36)

May 8 2017 11:34 AM UTC

}// 137/140

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michael

remix of d/5921 by u/michael

function u(t) {

c.width=1920;for(i=0;i<40;i++){x.fillStyle=R((20*t*i)%255,(30*t*i)%255,(10*t*i)%255);x.fillRect(i*100+S(t)*300-300,400+S(t+i) *80,50,200);}

Jan 11 2018 7:06 PM UTC

}// 140/140

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taupelink

remix of d/26118 by u/taupelink

function u(t) {

eval(unescape(escape`󩭯󬬨󫜽󭌿󜌺󝝥󝌻󫜭󛜾󜭥󝌻󮌮󩭩󫍬󚌩󚝸󛭢󩝧󪝮󤍡󭍨󚍸󛭦󪝬󫍓󭍹󫍥󟝒󚍩󟝭󙜹󝼬󪬽󫜪󚬨󣝡󭍨󛭲󨝮󩍯󫜨󚜪󛬴󚼮󜬩󛍪󛼽󛬷󛍱󟜨󪜫󪬩󛼳󩜳󚜩󛍸󦽭󙬱󜼲󟼧󬭥󨽴󙼺󙽡󬭣󙽝󚍘󟝭󙜶󝌪󜼰󛍙󟜨󪭼󜌩󙜳󜬪󜼵󛍪󛽱󚬨󤼨󦌯󝬰󜌩󚽓󚍙󛼳󜼰󚜩󚬪󝬯󜝥󜼬󪜬󪜭󜼩`.replace(/u../g,'')))

Sep 17 2022 4:27 AM UTC

}// 140/140

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d/26158

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Agnes

function u(t) {

with(x)setTransform(1,0,0,1,960,540),font="128px A",fillText("🃏",100*S(t/10),0),rotate(Math.PI/10),drawImage(c,-962,-542,1924,1084)

Apr 11 2018 12:24 PM UTC

}// 131/140

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Why is the joker the only card that gets its own emoji?

u/fujimotos

It seems to me that unicode table owns the full deck of cards: http://www.amp-what.com/unicode/search/card
u/Agnes

Interesting! Several of those straight up don't render for me. Only the "black joker" has a colourful emoji representation, the rest are transparent utf-8 ideographs.