Dweets awesomed by u/iverjo

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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Current theme challenge: #Food

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New_Core

function u(t) {

c.width=1920;for(i=16;i--;)x.ellipse(1e3+300*S(t+i*.1),500+50*C(t+i*.1),160*S(-i*.5)+160,50*S(i*.1)+5,1.6+.5*S(t*.5),9.5,0,6.3);x.stroke();

Mar 3 2017 3:31 PM UTC

}// 139/140

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Show more comments…
u/sfz

wow creative!
u/sfz

reduced it by about 15 bytes in case you want to try to do something else with the extra room: c.width|=0;for(i=16;i--;)x.ellipse(1e3+300*S(t+i/9),500+50*C(t+i/9),160*S(-i/2)+160,50*S(i/9)+5,1.6+S(t)/2,9,0,7);x.stroke()
u/iverjo

So good!
u/sigveseb

is that a pseudo-3D fish? super nice!
u/donbright

marvellous
u/magna

WAAAAT
u/SpecialAgent

Magnificent depth!
u/joseprio

Really impressive :)
u/Kalanchoe

Amazing!
u/ArtsyBiker1

WHOA
u/gautjac

beautiful
u/21medals

Reduced it ±20 bytes and added beginPath() without changing any values:
u/21medals

for(c.width|=i=16;a=i--/10;x.stroke())x.beginPath(),x.ellipse(1e3+300*S(t+a),500+50*C(t+a),160*S(-i/2)+160,50*S(a)+5,1.6+S(t/2)/2,9.5,0,6.3)
u/New_Core

#fish
u/joeytwiddle

#model
u/Cloud

https://www.dwitter.net/d/17352
u/vain

incredible 3d fish

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SpecialAgent

function u(t) {

r=new Date%1e2
if(!t)x.translate(960,540)
x.rotate(-1e-2)
x.fillStyle=`hsl(${r},80%,${64-32*S(t)}%)`
x.fillRect(0,0+S(t)*500,2e3,40)

Mar 3 2017 1:28 PM UTC

}// 132/140

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AaronGiles

function u(t) {

c.width|=0;s=200*(1-C(t%1));x.scale(s,s);x.globalAlpha=1-s/90;x.textAlign='center';x.font=`30pt Arial`;x.fillText(t|0,960/s,540/s+17)

Mar 3 2017 11:27 AM UTC

}// 133/140

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u/joeytwiddle

#numbers

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puckipedia

function u(t) {

r=Math.random,v=w=t;for(i=2e3;i--;v=r()*240,w=r()*140)x.fillStyle=`hsl(${v+S(t+w/99)*70},99%,50%)`,x.fillRect(v*8,w*8,8,8)

Mar 3 2017 11:14 AM UTC

}// 122/140

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A weird rainbow-y thing that reminds me a bit of video compression

u/SpecialAgent

Reminds me of unicorn magic
u/joeytwiddle

#rainbow #plasma

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AaronGiles

function u(t) {

t||(x.translate(w=960,540),x.rotate(2));j=S(t);x.rotate(j/40);x.drawImage(c,0,-w);x.fillStyle=`hsl(${j*360},99%,50%)`;x.fillRect(w*j,0,9,w)

Mar 3 2017 9:21 AM UTC

}// 139/140

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AaronGiles

function u(t) {

w=960;m=255;i=S(t);j=S(t*.9);x.globalAlpha=.5;x.drawImage(c,i*10,10);x.fillStyle=`hsl(${j*j*m},99%,50%)`;x.fillRect(w+w*i,0,50,10);

Mar 3 2017 7:42 AM UTC

}// 131/140

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u/SpecialAgent

Love these colours!

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ClayCowgill

function u(t) {

for(j=2e3;j--;x.fillRect(t*60,j,1,1,x.fillStyle=`hsl(${C(k)*78},99%,50%)`))for(a=t/8-2,b=j/540-1,k=9;k--&&a*a+b*b<4;a=c)c=a*a-b*b-.7,b=2*a*b

Mar 3 2017 5:28 AM UTC

}// 140/140

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Really wants ~4 more chars... for(j=2e3;j--;x.fillRect(t*60,j,1,1,x.fillStyle=hsl(${C(k/12)*99},99%,50%)))for(a=t/8-2,b=j/540-1,k=49;k--&&a*a+b*b<4;a=c)c=a*a-b*b-.7,b=2*a*b

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mihte

function u(t) {

c.width=1920
x.font='170px Impact'
for(s=0;s<5;s++)x.fillText("Dweet ❤️️",t*500%1920,240+s*180),x.fillStyle=R(C(t)*128+128,1+s*80,20+s*20)

Mar 3 2017 4:46 AM UTC

}// 138/140

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ClayCowgill

function u(t) {

f=t*60;for(j=1080;j--;x.fillRect(f,j,1,S(k),x.fillStyle=R(f/8,f%8)))for(a=f/500-2,b=j/500-1,k=35;k--&&a*a+b*b<4;a=c)c=a*a-b*b-.8,b=2*a*b+.15

Mar 2 2017 11:58 PM UTC

}// 140/140

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fnurgel

function u(t) {

c.width=2e3;
for(i=2e3;i--;)p=S(t/2),q=S(t),x.fillRect(0,i/2,1920,S((p*(1e3-i)/500)%360+i/100+q+(i-i%100)*2)/1.5)

Mar 2 2017 10:58 PM UTC

}// 114/140

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u/SpecialAgent

Nice gradient
u/UEZ

#rasterbars

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