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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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Purpzie

remix of d/4700 by u/mnt

function u(t) {

w=c.width=2e3;x.beginPath();for(i=0;i<w;)x.lineTo(1e3*S(2.1*i)+1e3,500*C(i++-t)+500);x.stroke()

Sep 27 2018 8:34 PM UTC

}// 96/140

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Purpzie

remix of d/9998 by u/SuperFromND

function u(t) {

r=_=>Math.random()-.5;with(x)fillStyle=`hsl(${t*100} 50%50%)`,drawImage(c,r()*99,r()*99),font='500px"',fillText('HELLO',175,700)

Sep 27 2018 8:02 PM UTC

}// 128/140

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hello

u/cantelope

lol

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Purpzie

remix of d/888 by u/jczimm

function u(t) {

c.width|=0;for(i=0;i<2e3;)x.fillRect(950+200*C(a=0|i++/6)*S(T(t/1.1)+i%6/a),550+200*S(a),9,9)

Sep 27 2018 7:27 PM UTC

}// 93/140

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Shaved off 16 characters!

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katkip

function u(t) {

for(i=-1;i++<100;)for(j=-1;j++<100;)x.fillStyle=
S(i**2+j**2+i/j-j/i+C(j+i)*i+t)<0?'lime':"#000",x.fillRect(i*19,j*19,19,19)

Sep 27 2018 5:55 PM UTC

}// 124/140

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Example of entropy in math. #gameoflife 2

u/joeytwiddle

You keep using that hashtag incorrectly!
u/joeytwiddle

https://www.quora.com/Can-the-universe-as-a-…
u/joeytwiddle

https://www.researchgate.net/post/Is_there_a…

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Purpzie

remix of d/10110 by u/Purpzie

function u(t) {

r=Math.random;x[a='fillStyle']=`hsl(${t*50} ${c=r()*100}%${c}%)`;x[b='fillRect'](r()*2e3,r()*1e3,d=r()*500,d);x[a]='#0001';x[b](0,0,2e3,2e3)

Sep 27 2018 5:05 PM UTC

}// 140/140

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within the depths of human imagination

u/DataMeta

stylish

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SuperFromND

remix of d/10124 by u/Xen

function u(t) {

for(c.width=i=2e3;i--;x.rotate(S(t-i)/5e1))x.fillRect(i,0,.4,2e3)

Sep 27 2018 4:14 PM UTC

}// 65/140

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Moire

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Xen

function u(t) {

for(c.width=i=2e3;i--;x.rotate(S(t-i)/5e2))x.fillRect(i,0,1,2e3)

Sep 27 2018 4:02 PM UTC

}// 64/140

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another 64 byter

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Purpzie

remix of d/10100 by u/Purpzie

function u(t) {

c.width=1e3
for(i=0;i<100;)with(x)lineWidth=i*10+S(t*2)*75,beginPath(),moveTo(50+i*200,-50),lineTo(i++*14,800),stroke()

Sep 27 2018 3:43 PM UTC

}// 119/140

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zebra but smaller

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katkip

remix of d/10120 by u/katkip

function u(t) {

c.width^=0;x.lineWidth=.1;for(i=0;i<1080;i++)x.beginPath(),x.bezierCurveTo(0,i,540+S(i*8)*540,540+C(i)/t*1e4,1920,i),x.stroke()

Sep 27 2018 3:02 PM UTC

}// 127/140

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You see different on fullscreen

u/joeytwiddle

fibrous

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katkip

function u(t) {

c.width^=0;for(i=0;i<1080;i++)x.beginPath(),x.bezierCurveTo(0,i,540+S(i)*540,540+C(i)*t,1920,i),x.stroke()

Sep 27 2018 2:58 PM UTC

}// 106/140

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Simple visualization of wires sending data