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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: #ScaryMovies

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katkip

remix of d/11161 by u/katkip

function u(t) {

c.style.background='#60f';c.width=400;for(n=1200;n--;)x.lineTo(200+S(n*n+t/3+6)*400,104+C(-n*n+n)*400);x.fill()

Apr 20 2024 10:58 PM UTC

}// 111/140

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poetaster

function u(t) {

r=Math.random;for(i=k=214;i--;x.strokeRect(k*X,k*Y,i/t,k/t))X=r(Y=r()*3)*9,h=k*S(S(Y*.3)%C(p=S(q=9-X/3)*q+3)),x.strokeStyle=R(h*q,h*p,h*Y)

Apr 15 2024 2:37 PM UTC

}// 138/140

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actually a taupelink remix

u/poetaster

I couldn't find it. It's the eye.
u/taupelink

d/20784 ?
u/poetaster

yes, exactly! thanks!

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danny@hille.dk

function u(t) {

for(y=c.width+=0;y--;)1>3*S((y/120)**2+t*9)&&x.fillRect(0,1080-y,2e3,1);for(i=9;i--;)x.clearRect(560+i*100+S(t)*300,400,50,200)

Apr 13 2024 6:21 PM UTC

}// 127/140

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To infinity and #default

u/lewdev

Wow, y=c.width+=0! I gotta remember that one.

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Agnes

function u(t) {

for(c.width|=i=9,x.scale(20,50);i--;x.fillText(i?M?"Awesomes":"0":"1",18+6*i-M*12+S(t)*(14+Q*C(Q)),14+Q))M=i>7,Q=M?25/t:i>3?S(i)*t*5:S(i+t)

Apr 7 2024 7:48 AM UTC

}// 139/140

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Only took six years of posting like one dweet every six months to get here

u/Xen

Congratz!

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taupelink

remix of d/29679 by u/taupelink

function u(t) {

a=Math.abs;f=v=>a(v%8-4)%a(v%6-3);for(i=3e4;i--;x.fillRect(960+40*r*C(h),540+40*r*S(h),.5,t<a(f(3*r)-f(r+h*15.3))))r=i*i*t%10+3,h=r*i%6.28

Apr 1 2024 3:46 AM UTC

}// 138/140

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d/29726

u/poetaster

escher from the afterlife!

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rodrigo.siqueira

remix of d/29795 by u/rodrigo.siqueira

function u(t) {

c.style='filter:invert('
x.reset();x.translate(960,540)
for(Y=p=i=190;i--;x.rotate(0.06614),x.fillRect(0,p+Y/5,3,Y*Y))Y=S(i/3+t)*530-S(i)*88

Apr 16 2024 3:03 PM UTC

}// 140/140

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5-star rotation

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Agnes

function u(t) {

(A=t?A.filter(e=>e.r>1):[]).push({a:t**3,r:2e3})
A.map(e=>x.fillStyle=`#${e.a|x.fillRect(960+S(e.a+=.01)*(e.r*=.99),540+e.r*C(e.a),5,5)}`)

Apr 9 2024 11:28 AM UTC

}// 138/140

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Sluuurp (it keeps going after it stops for a bit)

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timothytomato

remix of d/29724 by u/timothytomato

function u(t) {

x.stroke(new Path2D(`m${frame%12*167-frame%2*84} ${frame%9*153}l-84 54l0 99l84 54l84-54l0-99l-84-54m-84 54l84 54l84-54m-84 54l0 99`))

Mar 31 2024 6:49 PM UTC

}// 133/140

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it looks more 3d this way

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robbyg

remix of d/29683 by u/lonestar108

function u(t) {

for(i=1e4;i--;x.fillStyle=`hsl(${i/5+t*9},70%,50%)`)x.fillRect(960+i/20*S(i/50+5*t)+S(i/99)*i/9,540+i/20*C(i/50+3*t)+C(i/77)*i/8,3,3)

Mar 25 2024 4:15 AM UTC

}// 133/140

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Golfed. Feels like an early Windows screen saver.

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New_Core

function u(t) {

eval(unescape(escape`𭀿𜀺𩀽𦱝𞱷𪑴𪀨𮀩𩡯𬠨𪐽𞐹𛁤𦱱👾𚁴𚠶𜀩𙐳𜁝👧𩑴𢑭𨑧𩑄𨑴𨐨𜀬𜀬𜡥𜰬𜐰𞀰𚐬𬁵𭁉𫑡𩱥𡁡𭁡𚁤𦰨𬐭𜐩𙐳𜁝𛀰𛀰𚐻𪐭𛐻𨑲𨰨𞐶𜀫𞀰𜀪𤰨𭀩𛀵𝀰𚰴𝀰𚡃𚁴𚠮𞐩𛁩𛀰𛀷𚐩𨡥𩱩𫡐𨑴𪀨𩡩𫁬𚀩𚐬𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀤𮱴𯐬𞐹𙐬𙁻𞐹𛑩𯐥𚑠`.replace(/u../g,'')))

Apr 17 2024 12:31 PM UTC

}// 140/140

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Might not work for everyone.. dont know.. it store like 30 frames in the memory..