Dweets awesomed by u/zkfrontman

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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magna

remix of d/4983 by u/nickd3000

function u(t) {

k=c=>128*(.5+C(6.28*(i/200+t/c)));for(i=220;i--;x.fillRect(9*i,0,9,1e3))x.fillStyle=R(k(-9),k(7),k(5))

Dec 31 2017 4:50 PM UTC

}// 102/140

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nickd3000

function u(t) {

function cc(c){return 128*(.5+C(6.28*(i/200+c)))}for(i=0;i<220;i++)x.fillStyle=R(cc(-t/9),cc(t/7),cc(t/5)),x.fillRect(9*i,0,9,1e3);

Dec 31 2017 4:25 PM UTC

}// 131/140

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u/magna

Golfed to 102 chars: https://www.dwitter.net/d/4985

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nickd3000

function u(t) {

c.width=1920;
for(i=0,f=500,g=15;i<200;i++){
y=(i%((t/21)%15))*f
x.fillRect(i*9,f+y,g,g)
x.fillRect(i*9,f-y,g,g) 
}

Dec 31 2017 3:38 PM UTC

}// 116/140

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ben

remix of d/4938 by u/ben

function u(t) {

x.fillStyle='#47f1'
x.fillRect(0,0,w=2e3,w)
for(i=1e4,x.fillStyle='#fff';i--;)x.fillRect((S(i*i)*w*w)%w,w-(b=(t*i/9+S(i)**2*w)%w),b/=99,b)

Dec 31 2017 1:34 PM UTC

}// 138/140

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u/donbright

perfect winterdweet

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Exo

function u(t) {

for(i=0;i<760;i++){x.fillStyle=R((i%760),(i%255),(i+100*t)%255);x.beginPath(),x.arc(960-i/9*S(i-t)*20,540+i/20*C(i+t)*45,i/5,1,8);x.fill()}

Dec 31 2017 1:16 PM UTC

}// 139/140

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Ben

function u(t) {

c.width=2e3;for(i=0;i<20;i++){x.fillStyle=R(255*S(t),255*S(i/10),255*C(i/10),1);x.fillRect(i*100,5e2+S(1*t+100*i)*1e2,40,200*S(5*t+100*i))}

Dec 31 2017 1:14 PM UTC

}// 139/140

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ben

function u(t) {

x.fillStyle='#47f'
x.fillRect(0,0,w=2e3,w)
for(i=1e4,x.fillStyle='#fff';i--;)x.fillRect((S(i*i)*w*w)%w,w-(b=(t*i/9+S(i)**2*w)%w),b/=99,b)

Dec 31 2017 9:27 AM UTC

}// 137/140

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bubbly

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doof

function u(t) {

l=localStorage
t||(l[u]=a=parseInt(l[u]||0)+1,c.outerHTML="You have viewed this dweet "+a+" time"+(--a?"s":""))

Dec 31 2017 8:45 AM UTC

}// 111/140

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Show more comments…
u/joeytwiddle

Novel!
u/trupples

That's awesome
u/sigveseb

Oh god we can do multi-dweet dweets by stashing things in localstorage
u/PiggyClone205

We need to compete for most times viewing this.
u/dogspace

yay http://prntscr.com/icoc13
u/lionleaf

#localStorage
u/joeytwiddle

The key is the sourcecode. Nice short way to generate a unique key!

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logomach

function u(t) {

c.width=2e3;for(i=20;i--;){x.fillStyle=R(i*19,75,70);x.fillRect(0,i*54,1920,54)}x.font='100px Arial';x.fillText('Ａ　Ｅ　Ｓ　Ｔ　Ｈ　Ｅ　Ｔ　Ｉ　Ｃ',150,600)

Dec 31 2017 1:01 AM UTC

}// 140/140

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ben

remix of d/4348 by u/lowpoly

function u(t) {

c.width^=0
x.globalCompositeOperation='xor'
for(p=2e3;p--;)d=p/300+1,x.fillRect(-99+(p+99*(t+5E4)*d)%2E3,(""+p*S(p)/9).substr(5,3)*2,d*=d,d)

Dec 30 2017 9:06 PM UTC

}// 140/140

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u/sigveseb

Tasteful use of xor!
u/New_Core

same effect can be done shorter with x.rect and x.fill('evenodd')

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