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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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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KilledByAPixel

function u(t) {

eval(unescape(escape`󨼮󭽩󩍴󪍼󟝨󟜲󜌊󥌽󭌥󝌯󜬊󮬽󜼵󜌊󩭯󬬨󪼽󜜸󞽫󛜭󞽸󛭦󪝬󫍒󩝣󭌨󝌰󜌫󠼨󭌪󜜮󝜷󜌸󚜪󜼰󜌫󚍔󟌱󟽩󚽪󚭔󞭪󚬨󪜭󥌫󜬩󚜪󞜹󛌮󛬮󥌼󜜿󦽺󚼨󪬿󜬰󜌺󮜩󛌵󜌬󪬿󮜺󜬰󜌭󮝝󞭛󪬿󮬫󮜫󩬺󮬫󪌬󝜰󛍪󟼨󞌫󥌩󚭨󞬲󜌰󛝦󧜩󚝩󟝫󙜹󛍪󟝫󟬸󛍹󟝩󚭨󚽨󛍦󟝨󚬨󜬭󥌩`.replace(/u../g,'')))

Jul 20 2025 9:43 PM UTC

}// 140/140

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One More #Default

u/KilledByAPixel

I was always fascinated by those old pictures where you can reposition the top half to make an extra person appear.
u/magna

Great!
u/cantelope

holy shit

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rodrigo.siqueira

remix of d/34136 by u/Tekmap

function u(t) {

for(X=Y=i=3e4;i--;x.fillRect(~x.clearRect(960+240*X,540+240*Y,1,.2),i,2e3,!t||.03))j=i>>i,X=S(a=Y+j)*1.2*C(b=X+j*t/19+j),Y=C(a)+C(b)

Jul 17 2025 6:20 AM UTC

}// 132/140

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Strange dynamics

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rodrigo.siqueira

remix of d/34122 by u/UEZ

function u(t) {

x.fillRect(0,0,2e3,2e3*!t)
for(n=0;n<19;n+=.01)for(i=6;i--;)x.fillStyle=R(i*n*3,i*9,i*23),x.fillRect(n*102,540+S(n/2+i-t)*440*S(n/6)**2,4,4)

Jul 14 2025 8:08 PM UTC

}// 140/140

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rodrigo.siqueira

remix of d/34087 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`sepia(.2)invert(`
for(i=35e3;i--;x.fillRect(1080+C(k=i+r**.4)*280/Z,540-S(k)*290/Z,.1,t<3))r=t*S(w=i*i/t)/C(w),Z=C(S(i/2)+r)

Jul 11 2025 10:34 PM UTC

}// 140/140

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Moon effect #moon 🌙

u/joeytwiddle

#stochastic #space #scene

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zachygreen

function u(t) {

eval(unescape(escape`󮌮󬭥󬽥󭌨󚜊󪼽󜜰󞌰󒭦󫽲󚍩󟝭󟜰󞽩󟌲󩜴󞽩󚼫󚝻󫬽󜜊󫌽󪬽󟭩󙜳󚬪󪬯󜼪󚬨󪬭󜜩󯌰󒭦󫽲󚍺󟜰󞽺󟌹󞽺󚼽󜬩󫬽󚍮󚽬󚍺󚜭󫌨󮬫󜜩󚜪󚌱󛜲󚬨󪜥󜼪󚬨󮬫󜬩󛼳󚬪󮬦󜜩󚜊󨜽󝌫󭌪󞜥󝌊󮌮󫍩󫭥󥍯󚍭󚼽󨜪󠼨󫬯󟜮󞜵󝜩󛍫󛜽󨜪󤼨󫬩󚝽󮌮󬽴󬭯󪽥󚌩`.replace(/u../g,'')))

Jul 7 2025 1:50 AM UTC

}// 134/140

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was golfing this when i realized the (x%y+y)%y function wasnt needed. I think i was tryna do modulo instead of remainder but idk

u/zachygreen

i made the original code in highschool back in like march or whenever i made the original post
u/cantelope

wow this really ruins things here. whatever will we do now?!

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shminge

function u(t) {

h=960;c.width=h*2;for(q=h*2;q-=10;)for(i=h;i--;){v=30*i%t;w=(1+S(t-q/i))*30;o=q-w;y=(5+S(t))*i-h/4;x.fillRect(o,y,2*w,9)}

Jun 28 2025 3:20 PM UTC

}// 121/140

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stripy

u/Axioplase

Nice

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dee-gomma

function u(t) {

for(c.width|=t%=2,a=i=693,w=v="\\/";w+=v,i-=99;x.fillText(j?"🏀":w,j?a*t:C=500+i/2,j?a*T(t):a+i+i*S(3*t*(t>1))/1.5))x.font=6*(j=i>C)+9+"lh 🝉"

Jun 19 2025 12:06 AM UTC

}// 140/140

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#basketball super-shot! (best on PC)

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Axioplase

remix of d/33980 by u/Axioplase

function u(t) {

c.width=g=2e3
for(i=0;i<g;)X=0|i/9,Y=i++%9,x.arc(X*99,Y*150,50,0,5+5*C(99*(1+C((t/99+X)))+5+5*S(t/10+Y)))
x.lineWidth=5,x.stroke()

Jun 12 2025 2:44 AM UTC

}// 130/140

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u/tomxor

Imagine the army of homunculi hidden under the bottom of the screen, keeping it all going with their long sticks.

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rodrigo.siqueira

remix of d/33944 by u/rodrigo.siqueira

function u(t) {

for(i=6e4;i--;c.style.filter=`sepia(.6)invert(`)r=S(n=i/t)**-.5,X=C(k=i/2),Y=S(k),Z=r*r*S(C(k+r*3))/1e3,x.fillRect(1135+X/Z,680-Y/Z,.1,t<2)

Jun 9 2025 6:57 PM UTC

}// 139/140

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Light beyond the spiral #spiral

u/Xen

nice!
u/cantelope

looks great

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rodrigo.siqueira

remix of d/33889 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert()`
for(i=52e3;i--;x.fillRect(960+C(k=i*25)*900/Z,540-S(k)*900/Z,.1,t<3))
r=S(i*i/t)**-t-1,Z=C(S(i*90)+r/4)*3.8-S(r)*6

Jun 1 2025 8:24 PM UTC

}// 140/140

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14-fragmented flower