Dweets awesomed by u/joeytwiddle

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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erin

remix of d/36066 by u/rodrigo.siqueira

function u(t) {

c.width|=0
for(x.translate(960,540),i=1e4;i--;)with(x)beginPath(),arc(1e4,0,300,0,7),fill(),scale(.98+S(t)/100,1),rotate(1)

Aug 2 2026 5:29 PM UTC

}// 123/140

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Wormhole...

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luta

remix of d/36054 by u/luta

function u(t) {

s="k7/pp1K4/N7/8/8/8/8/7B"
throw "\n"+s.replace(/./g,x=>x<"0"?"\n":x<9?"... ".repeat(x):"♔♕♖♗♘♙♚♛♜♝♞♟"["KQRBNPkqrbnp".indexOf(x)]||"")

Aug 2 2026 3:39 AM UTC

}// 134/140

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FEN viewer for #chess puzzles alternative

u/luta

I replaced the previous version with this one which is 5 characters shorter. Opera Web browser needs a newline at the start to look good, so I added it.

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luta

remix of d/36056 by u/luta

function u(t) {

eval(unescape(escape`󭌿󜌺󮌮󭍲󨝮󬽦󫽲󫜨󭬽󛬷󛍶󛌭󭬬󭬬󞜶󜌬󝜴󜌩󞽯󫭣󫍩󨽫󟝟󟜾󮽱󟝲󟜨󬼽󝌹󞜩󚭍󨝴󪌮󬭡󫭤󫽭󚌩󯌰󒭸󛭦󫽮󭌽󙼱󜽩󫬢󙼻󮌮󩭩󫍬󥍥󮍴󚌢󧍵󡌸󜽅󧍵󡍄󝭁󘬬󛜸󜬰󛌶󜬰󚜊󩭯󬬨󪜽󜝥󝌻󪜭󛜻󮌮󩭩󫍬󤭥󨽴󚌲󝌰󛝱󛍲󛜲󝜰󛌶󛌶󚜩󬜽󚍲󚭲󚽱󚜥󬼬󬬽󚍱󚭱󚽲󚜥󬽽`.replace(/u../g,'')))

Aug 1 2026 11:46 AM UTC

}// 140/140

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#pareidolia #random oracle - click to see if your favourite idol appears on a toast bread

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luta

function u(t) {

t?0:A=[];m=Math;r=m.random
X=92+20*m.sqrt(m.log(1/(r()**2)))*C(m.PI*r())|0
a=A[X]=1+A[X]||0
t>80||x.fillRect(10*X,1080-9*a,9,9)

Aug 1 2026 10:45 AM UTC

}// 127/140

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Normally distributed #random numbers

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luta

function u(t) {

c.width=128;s="k7/pp1K4/N7/8/8/8/8/7B".replace(/./g,x=>x<"9"?"☐".repeat(x):x)
for(i=64;i--;)x.fillText(s[i],i%8*9,(1+i/8|0)*9)

Jul 31 2026 1:27 PM UTC

}// 126/140

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Mate in 3: FEN viewer for #chess #game puzzles

u/luta

Another one: 8/8/8/5K1k/5B2/6P1/6P1/4b3
u/SockTaters

you can also display them as cheese pieces like in this one d/35680

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luta

remix of d/36035 by u/luta

function u(t) {

eval(unescape(escape`󭌿󜌺󨼮󭽩󩍴󪌽󜬴󜌊󩭯󬬨󩬽󫬽󪜽󪬽󪼽󜌻󫬼󜬻󫬫󚼩󬌽󭌪󝬰󛼲󝼪󚭮󛍱󟜳󚬪󫬬󢜽󬍼󜌬󢬽󬌯󜽼󜌬󢼽󬌯󞝼󜌬󩬫󟝉󙜳󙜲󚽊󙜳󙜲󚽋󙜳󙜲󟬾󜜬󪜫󟝉󙜳󚭱󛍪󚼽󢬥󜼪󬜪󜬬󪼫󟝋󙜳󚭱󞽦󯍼󭌪󝬰󟬷󜬸󯍼󮌮󩭩󫍬󥍥󮍴󚌢󧍵󡌸󜽅󧍵󡍄󠽁󘬬󝬶󚼹󚭩󛝪󛌹󞜫󪜫󪬭󞜪󪼩`.replace(/u../g,'')))

Jul 31 2026 9:51 AM UTC

}// 140/140

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Menger sponge #fractal

u/KilledByAPixel

very good surface area on this ice cube, i bet it melts incredibly fast
u/luta

the last ice cube is missing, i missed this one, better would be ||t>12.14|| in the code

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rybar

function u(t) {

c.width|=0;x.globalAlpha=.1;X=Y=1;for(i=15e3;i--;){p=S(2*Y)-C(3*X+S(t));Y=S(4*X+t/9)-C(2*Y+C(t/3));X=p;x.fillRect(1000+X*470,540+Y*270,5,5)}

Jul 28 2026 2:44 AM UTC

}// 140/140

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KilledByAPixel

remix of d/35981 by u/KilledByAPixel

function u(t) {

for(c.width|=A=128;A;T+=.1)for(X=A/(e=64/T)-T,i=(X+t^T)%5>0||(--A,T=1,20);i--;x.fillText(code[(X+t)*30&T+i],A*15,560-(i-9)*e))x.font=e+'px"'

Jul 26 2026 9:30 PM UTC

}// 140/140

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Writing on the Walls 🧱

u/PotatoImaginator

Nice :O
u/joeytwiddle

Great!

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PotatoImaginator

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁞🐰𞱦𫱲𚁩🐰𞱩🀸𞱩𚰫𚑻𩡯𬠨𪠽𜀻𪠼𞀻𪠫𚰩𮱸𛡢𩑧𪑮𤁡𭁨𚁸𛡦𪑬𫀨𚐩𒡸𛡦𪑬𫁓𭁹𫁥👒𚁶🐨𪐫𪠩𙐲𚠲𝐶𛀱𜠸𛀲𝐶𛑶𚐊𮀮𨑲𨰨𜐲𜀫𜠴𜀪𪐬𝠰𚰲𝀰𚡪𛀱𜠰𚰱𜠰𚠨𜠪𚠮𝐭𜐩𚡓𚁴𚰨𪐫𪠩𚡍𨑴𪀮𤁉𚐬𜀬𝰩𯑽`.replace(/u../g,'')))

Jul 25 2026 9:14 AM UTC

}// 130/140

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sin(x)^2+cos(x)^2=1 #circle #trigonometry

u/PotatoImaginator

Code is
u/PotatoImaginator

c.width^=0;for(i=0;i<8;i++){for(j=0;j<8;j++){x.beginPath(x.fill()) x.fillStyle=R(v=(i+j)%2*256,128,256-v) x.arc(120+240*i,60+240*j,120+120*(2**.5-1)*S(t+(i+j)*Math.PI),0,7)}}
u/lewdev

When using https://beta.dwitter.net you can toggle the compression. So copy-pasting the code in the comment isn't necessary.
u/PotatoImaginator

Yes, i realized that recently :)

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joeytwiddle

function u(t) {

c.width=1920
X=500*S(t*2)
Y=40*S(t+1)
x.font='18em s'
x.fillText('🍦',720-X,400+Y)
x.font='25em s'
x.fillText('🐈',700-X,800+Y)

Jul 24 2026 12:14 PM UTC

}// 125/140

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Cat with ice-cream by Emily

u/SockTaters

is this Emily's first dweet? I love it!
u/joeytwiddle

Sort of. Emily was the designer, and I was the coder. ;-)

dwitter.net | joeytwiddle (63823)