Dweets awesomed by u/panorrrama

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: #Opposites

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rodrigo.siqueira

remix of d/16152 by u/New_Core

function u(t) {

for(I=1080;I--;)for(var k=13,b=t/k;k--;x.fillStyle=R(b*120,b*b*14,9,.1),b>0&&x.fillRect(t*200%1920,I,40,1))b=C(I/1e3+b*C(b*b/2)+4)*b-2.8

Oct 17 2019 8:00 PM UTC

}// 136/140

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Sequoia wood (eternal loop)

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KilledByAPixel

remix of d/16118 by u/KilledByAPixel

function u(t) {

with(x)for(t*=i=89;i--;fill())beginPath(r=i*(1+t%1)),ellipse(t*9%2e3+C(a=i*t)*r,S(t*t)*2e3+S(a)*r,r,r/3,a,0,7),fillStyle=`hsl(${t} 99%${i}%`

Oct 15 2019 6:41 AM UTC

}// 140/140

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Flower Arrangement ❀

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u/metamero

aah so joyful ❁
u/larzuk

snazzy stuff!
u/taupelink

yay!
u/DataMeta

✿
u/joeytwiddle

Lovely! #diwali
u/KilledByAPixel

#Inktober day 14: Overgrown
u/joeytwiddle

#flower

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katkip

function u(t) {

/*‮*/eval(atob`dHx8KHM9Ii4iKTtzKz1TdHJpbmcuZnJvbUNoYXJDb2RlKDc4MCtNYXRoLnJhbmRvbSgpKjUwKTt0aHJvdyBz`)

Oct 12 2019 1:26 PM UTC

}// 101/140

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yonatan

function u(t) {

with(x)if(!t){c.width=innerWidth
onmouseup=e=>fillStyle='#'+(q*1e6|0)
onmousemove=e=>fill(arc(e.x,e.y,1+q**44*99,0,7,beginPath()))}
q=t*t%1

Oct 5 2019 11:35 PM UTC

}// 139/140

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Paint (like Jackson Pollock). Click to change color.

u/yonatan

based on k3lab's OilPainting - http://wa.zozuar.org/code.php?c=92Ul
u/taupelink

excellent

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Irratix

function u(t) {

F=(h,w,l,a)=>{v=l%2;x.fillStyle=h;for(;a--;)x.fillRect(v?2*w*a:0,v?0:2*w*a,v?w:l,v?l:w)}
F('red',83,1e4,7)
F('blue',37,583,11)
F(0,53,768,6)

Oct 5 2019 9:40 PM UTC

}// 140/140

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American flag. Initialy I attempted it with a blue rectangle on top of which I added white rectangles for the stars, but I couldn't get it short enough. This looks way worse, but it's also way shorter. Would be curious to see if anyone can get a better looking US flag in this space.

u/yonatan

there's https://www.dwitter.net/d/14922 but it's compressed

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Irratix

function u(t) {

c.width=1920
a=[]
x.beginPath()
for(i=0;i<374;i++){x.moveTo(960+400*S(2.1*i+t),800+90*C(2.1*i+t));x.lineTo(960,100)}
x.stroke()

Oct 4 2019 12:02 PM UTC

}// 127/140

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Irratix

function u(t) {

t*=60
for(i=[];i.length<t;i.push(t/i.length)){x.fillStyle=R(t/60%260,t%253,t%246,.1);x.fillRect(0,i[i.length-1],1e5,2)}x.drawImage(c,2,1)

Oct 3 2019 7:11 PM UTC

}// 137/140

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Scanlines

u/DataMeta

nice concept

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Irratix

function u(t) {

r=Math.random;x.fillStyle=R(r()*256,r()*256,r()*256,r());for(;r()>.5;x.fillRect(1920*r(),1080*r(),5,5))x.drawImage(c,2*r()-1,2*r()-1)

Oct 3 2019 6:59 PM UTC

}// 133/140

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Frankly I'm not even sure precisely what's happening but it sure looks fun, although a bit shakey.

u/Irratix

Effect may differ depending on your browser, it's largely related to built-in compression. I made it on Chrome.

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panorrrama

function u(t) {

q=Math.random;w=S(t)+1*200;x.rotate(S(t*100));x.fillStyle=R(0,w*q(),w*q());x.fillRect(q()*c.width,q()*c.height,9,9);x.drawImage(c,T(t*99),0)

Oct 3 2019 3:45 PM UTC

}// 140/140

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Glitch Rings

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rnbw

function u(t) {

r=Math.random;t||(i=j=1);j*=i=-i;x.fillStyle=`hsl(${r()*360},69%,70%`;x.fillRect(r()*2e3,r()*1080,1,1);x.drawImage(c,i,j)

Oct 2 2019 12:40 PM UTC

}// 121/140

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territories

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u/KilledByAPixel

👍
u/taupelink

This is great
u/DataMeta

Nice!
u/katkip

looks so good
u/katkip

that 69% ;o
u/rnbw

i think i just kept the 9 when i changed that from 99, lol

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