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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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taupelink

remix of d/15468 by u/taupelink

function u(t) {

for(i=d=e=f=1e3;i--;x.fillRect(d*z,e*z,h=1/Math.log(t+2),h))[d,e,f]=[(r=Math.random(z=99)*60|0)/3+f*(1-f+r%5)*C(q=d+f),r%11+S(q+r),r%3+f/8]

Aug 20 2019 6:07 PM UTC

}// 139/140

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taupelink: d/15469

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taupelink

remix of d/15450 by u/taupelink

function u(t) {

for(i=d=e=f=1e3;i--;x.fillRect(d*z,z+e*z,h=1/Math.log(t+2),h))[d,e,f]=[(r=Math.random(z=120)*36|0)/2+f*(1-f)*C(q=d+r),r%9+S(q)*T(q),r%4+f/6]

Aug 20 2019 11:24 AM UTC

}// 140/140

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taupelink: d/15468

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django

function u(t) {

w=c.width*=1;k=80;f=w/k;
for(i=0;i<k;i++)for(j=0;j<k;j++)p=j/k,x.fillStyle=R(0,p*255,p*128),x.fillRect(i*f,540,f,(1-p)*S(C(t+j)+i/10+j)*540)

Aug 20 2019 5:33 AM UTC

}// 141/140

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django: wavey

13thptr: nice style

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taupelink

remix of d/15465 by u/taupelink

function u(t) {

for(i=d=e=f=g=1e3;i--;x.fillText(r,d*z|7,z+e*z|7))[d,e,f,g]=[(r=Math.random(z=240)*9|0)+f*C(d+r),r%3+g*S(d+r),(r%2+f)/2,((r&4)/4+g)/(2+g)]

Aug 20 2019 4:34 AM UTC

}// 138/140

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taupelink: Like d/15465, but with #chaosgame indices plotted instead of tiny rectangles

joeytwiddle: First I saw Deep Space 9 then I saw the planet Erp

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taupelink

remix of d/15450 by u/taupelink

function u(t) {

for(i=d=e=f=g=1e3;i--;x.fillRect(d*z,z+e*z,.5,.5))[d,e,f,g]=[(r=Math.random(z=240)*9|0)+f*C(d+r),r%3+g*S(d+r),(r%2+f)/2,((r&4)/4+g)/(2+g)]

Aug 20 2019 4:24 AM UTC

}// 138/140

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taupelink: d/15465

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rodrigo.siqueira

remix of d/15411 by u/rodrigo.siqueira

function u(t) {

v=(a,b,Φ,r)=>{for(i=0;i++<r;x.globalAlpha=.05)x.fillRect(a-=S(Φ),b-=C(Φ),s=r/42,s)
r>8&&v(a,b,Φ+S(t*i**9)/4,r*=.9)}
v(960,540+300*C(t),t,99)

Aug 20 2019 1:03 AM UTC

}// 142/140

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rodrigo.siqueira: Dendritic projections

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taupelink

remix of d/15456 by u/taupelink

function u(t) {

for(i=d=e=f=1e3;i--;x.fillRect(d*z,z+e*z,h=1/Math.log(t+4),h))[d,e,f]=[(r=Math.random(z=240)*9|0)+f*S(d)+(.5-f)*T(d),r%3+f*C(d),(r%2/2+f)/2]

Aug 19 2019 10:51 PM UTC

}// 140/140

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taupelink: d/15461

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Benjiji

function u(t) {

c.width^=0
N=999*S(t/10)
for(i=0;i<N;)Z=2*i/N-1,Y=S(i*0.2)*Z*0.3,X=C(i++*0.2)*Z+Y*C(0.7),Y=Z+Y*S(0.7),x.fillRect(X*300+960,-Y*300+540,15,5)

Aug 19 2019 9:18 PM UTC

}// 141/140

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Benjiji: #hourglass #runningtime

Load older comments...
13thptr: 123 : N=999*S(t/10) for(c.width^=i=0;i<N;)Z=2*i/N-1,Y=S(i/5)*Z*.3,X=C(i++/5)*Z+Y*.76,Y=Z+Y*.64,x.fillRect(X*300+960,-Y*300+540,15,5)
13thptr: *126: N=999*S(t/10);for(c.width^=i=0;i<N;)Z=2*i/N-1,Y=S(i/5)*Z*.3,X=C(i++/5)*Z+Y*.76,Y=Z+Y*.64,x.fillRect(X*300+960,-Y*300+540,15,5)
Benjiji: Nice, thx!

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craig_ers

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<100;i++)
x.arc(100*t,2*t, i*t,i*5+t, 40*i);x.stroke();

Aug 19 2019 7:55 PM UTC

}// 105/140

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tomxor

remix of d/15454 by u/katkip

function u(t) {

a ++
throw a
}{a=1e3

Aug 19 2019 7:28 PM UTC

}// 22/140

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tomxor: Variable initialisation with only +2 chars (hack)

tomxor: Saves up to 4 chars vs t||(a=1e3);
katkip: Ohh
katkip: #genius #exploit I didnt know about that. This is clever

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