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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KilledByAPixel

function u(t) {

t?0:(X=699,Y=500,W=20,V=A=[])
for(i=99;--i;x.fillRect(X-=V,Y-=W,20,20))Q=V,V=W,W=-Q,x.fillStyle=(A[q=X+Y*99]=!A[q])?"#000":(V=-V,W=-W,"red")

Jun 3 2019 6:42 PM UTC

}// 140/140

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Langton's Ant

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u/Xen

yo!
u/KilledByAPixel

https://youtu.be/NWBToaXK5T0 - Numberphile video on Langton's Ant
u/KilledByAPixel

#cellular #automata
u/KilledByAPixel

#ant
u/KilledByAPixel

#Automaton
u/KilledByAPixel

#Langton

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KilledByAPixel

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍪󟝣󛭷󪝤󭍨󯌽󜌻󪬭󛜻󬭯󭍡󭍥󚍓󚍪󚬪󜼩󛼹󛜮󜌱󚜬󭍲󨝮󬽬󨝴󩜨󜌬󞜩󚝦󫽲󚍩󟜶󛍡󟝪󚽴󚬶󜍼󜌻󪜭󛜦󙭔󚍡󚭡󚜾󝬻󨭥󩽩󫭐󨝴󪌨󩭩󫍬󚌩󚜩󩝬󫍩󬍳󩜨󤼨󨜩󚬳󜌬󛬮󛭩󟬲󟽛󜌬󜼰󛌱󛍓󚍩󚬲󚽪󛼹󚝝󞭛󪜪󜬰󛜲󜌬󪜭󜜿󞌺󝌬󪜾󜜿󝼺󜜵󛌰󧜬󜌬󞜩`.replace(/u../g,'')))

May 1 2025 7:42 PM UTC

}// 139/140

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Ants! 🐜

u/magna

OK we're done here. This is top!
u/Xen

god level dweetage! yes my bro!
u/aaaaaz

#ants
u/cantelope

...
u/jellyedwards

Wow, great work!

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fervour

function u(t) {

t*=16;for(i=10;i--;)for(j=10;j--;){x.fillStyle="#"+i*89;x.setTransform(8,0,0,6,940,540);x.rotate(t*i*0.1+j*0.2);x.fillRect(i*10,j*10,20,20)}

Mar 27 2018 8:28 AM UTC

}// 140/140

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Polyducks

function u(t) {

L=(X,Y,X1,X2)=>{x.beginPath();x.moveTo(X,Y);x.lineTo(X1,X2);x.stroke()}
if(t<16){L(S(t)*1000,S(t)*1000,T(t)*1000/S(t),t*100)}

Apr 18 2017 6:04 PM UTC

}// 125/140

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_A stone wall by the sea_

u/Polyducks

I'll work out how to do bold text soon, I swear...
u/tapgiles

The first comment is automatically made bold ;P
u/tapgiles

Looks cool. Wish the line wouldn't disappear for so long, though...

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katkip

remix of d/22075 by u/veubeke

function u(t) {

c.outerHTML=`<ol id=q type="I" style="display:inline; list-style-position: inside;"></ol>`
q.innerHTML="<li>".repeat(100)

Mar 24 2021 6:48 PM UTC

}// 121/140

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another way to create a roman numeral counter

u/danny@hille.dk

less code more broken html c.outerHTML='<ol type="I" style="list-style-position:inside">'+'<li>'.repeat(100)
u/384.cz

#html

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aaaaaz

remix of d/31943 by u/aaaaaz

function u(t) {

O=160
a=x=>(x*x)**.6;f=u=>a(a(u%8-4)-3);g=n=>f(X/n)+f(Y/(n^1))&~(2+t*8e4);for(i=1e4;i--;x.fillRect(O+6*X,60+6*Y,g(5),g(4)))X=i*i*t%O,Y=X*i%O

May 31 2024 8:41 PM UTC

}// 140/140

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u/joeytwiddle

Nice #pattern

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just_me_7k

function u(t) {

for(i=0;i<100;i++)x.fillStyle=`hsl(${i*3},80%,40%)`,x.fillRect(i*19,540+200*Math.sin(t+i),10,100)

Jun 30 2025 1:13 PM UTC

}// 97/140

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u/airstrike

so satisfying

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Simonster

function u(t) {

w=99
for(i=0;i<38;i++)i%10<8&&x.fillRect(i%8*w,i%10*w,w,w)
x.font="99px a"
x.fillStyle="#666"
x.fillText("♚♕♔",0,785)
x.fillText("♙♕",0,685)

Dec 27 2017 10:01 PM UTC

}// 140/140

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White wins!

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davidsover

function u(t) {

z=5e-3
x.rotate(1e-3)
for(i=t*2e4;i<(t+1)*2e4;i++)
x.fillRect(i*C(i)*z+960,i*S(i)*z+540,3,0.05)

Jul 15 2021 1:25 PM UTC

}// 95/140

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Black Hole Looking Thing

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Xen

function u(t) {

t?0:c.width=199
for(i=19;i--;x.fillText("O",i%2*12-12+(t|0)*24,i*10))x.fillText("Si",(t|0)*24,i*20)

Mar 29 2020 12:38 AM UTC

}// 99/140

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#Glass

u/Xen

SiO₂
u/tomxor

Nice! although i think technically crystaline makes it quartz; glass is amorphous but I no idea how that would look.
u/Xen

you got me 🤣🤣🤣