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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.

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username

remix of d/6030 by u/username

function u(t) {

c.width|=0
a=900
_=t%Math.PI
for(i=b=99;i--;x.fillStyle=R(i*9,_*i,i*T(_)))x.fillRect(Math.abs(S(t+i)*a)+S(t)*a/2+a/2,Math.abs(C(t-i)*a),b,b)

Sep 3 2018 4:40 PM UTC

}// 140/140

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u/donbright

illusions!!!!

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taupelink

remix of d/19370 by u/taupelink

function u(t) {

f=(x,y)=>C(x)>S(y*y)?f(y/x,x+1):T(x-y);for(i=k=960;i--;)X=(r=Math.random)()*k,Y=r()*6.3,x.fillRect(k+X*C(Y),540-X*S(Y),f(X&k,Y)>f(Y,k/X),1)

Jul 19 2020 4:18 AM UTC

}// 139/140

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d/19453

u/donbright

the longer i wait the cooler this gets

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Xen

remix of d/19861 by u/DaSpider

function u(t) {

for(i=f=2e3;i--;x.fillStyle=`hsl(${i/4-t*t} 99%31%)`)x.fillRect(C(i*T(t))*f,f-i%f,9,39)

Sep 8 2020 9:31 PM UTC

}// 87/140

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slight play

u/Xen

#waitforit
u/taupelink

Cool! Just one thing, at least for iOS: add a space between 99% and 31%

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Xen

remix of d/29748 by u/geeknik

function u(t) {

for(i=555;i--;x.fillRect(666+C(t*=9)*t*2,333+S(t%i)*t,i,i))x.fillStyle=`hsl(${t*99},99%,51%,.01)`

Apr 6 2024 6:17 PM UTC

}// 97/140

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quick play and remix: "trust the tv!"

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ArthurThuczsec

remix of d/26425 by u/Odog8

function u(t) {

for(c.width|=i=126,x.translate(1e3,500),x.globalCompositeOperation='xor',x.rotate(t);i--;x.rotate(t/i*7))x.fillRect(0,0,i*9,i)

Nov 1 2022 5:38 PM UTC

}// 126/140

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trancor

remix of d/13368 by u/trancor

function u(t) {

!t?s=[]:x.fillRect(0,0,w=c.width=500,w)
for(z=w;--z;)(v=s[z]||w)<0?v=w:x.fillStyle=R((z+v)/3),x.fillRect(s[z]=v-=5*S(z*w+C(z+t)),z,v/=5,v)

Apr 23 2019 2:05 AM UTC

}// 138/140

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tomxor

remix of d/12492 by u/tomxor

function u(t) {

for(c.width=E=X=N=64;X--;)for(Y=N;Y--;x.fillRect(X,Y,K=eval(R)/N%1,K))E+=' '+'XXYYtt-*%&~^'[0|12*Math.random()];eval(E=E.slice(-8-t%16));R=E

Feb 26 2019 12:59 AM UTC

}// 140/140

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Algebraic Monkeys #fuzzing #waitforit

Show more comments…
u/tomxor

Searching for f(x,y,t) this time. If you have more patience then add operators, parens and increase string length in the slice.
u/Xen

c.width=X=E=N=64 lol
u/tomxor

heh, i missed that opportunity
u/DataMeta

Clever concept, like some old tv grasping at transmissions.
u/DataMeta

Haha, Xen
u/tomxor

Nice analogy :) like a TV into the computable universe, infinite channel! (sorta)
u/21medals

Why the space in between each character of E?
u/tomxor

Because -- and ++ are assignment operators, and I cannot allow those on loops variables X and Y. It's basically cheaper in chars to pad with spaces than test for this with a regex.

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rodrigo.siqueira

remix of d/28827 by u/rodrigo.siqueira

function u(t) {

x.fillStyle=R(0,9,60)
for(A=0,X=Y=t,i=6e4;i--;x.fillRect(X*15+550,Y*13+540,.1,t<2))Y=(i/Y&1)*27+(Y-X)/2+.25/Y+S(X/9)*2,X=X+Y

Nov 8 2023 1:00 PM UTC

}// 124/140

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Roads on the Rodragon Curve #fractal

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kodierer

remix of d/7944 by u/kodierer

function u(t) {

c.width=1920 
h=0
for (i=0, i <600 i++){
h=h*2;
x.fillRect (i, i, h)
}

May 4 2018 4:27 AM UTC

}// 70/140

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Xen

remix of d/3077 by u/alien

function u(t) {

W=c.width=200
b=x.getImageData(0,0,W,W)
d=b.data
for(i=d.length;i-=4;d[i|i+frame*W>>9]=W*T(t)){d[i+3]=W}x.putImageData(b,0,0)

Aug 20 2017 8:23 PM UTC

}// 125/140

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