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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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21medals

function u(t) {

for(c.width=i=48;i--;)for(j=27;j--;x.fillRect(i,j,1,1))x.fillStyle=R(S(d=t*((i-24)**2+(j-13.5)**2)**.5*2)*255,S(++d)*255,S(++d)*255)

Feb 3 2018 11:49 AM UTC

}// 132/140

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u/magna

Neat!
u/DataMeta

Quite cool.

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jonathan_b

remix of d/6672 by u/BirdsTweetCodersDweet

function u(t) {

t?0:s=0;for(c.width|=a=4e2;a--;x.stroke())x.beginPath(),x.ellipse(980+300*C(a),500+250*S(S(a*2+s)),600+10*S(a),150+100*C(a+s),0,0,7),s+=1e-4

Feb 3 2018 7:42 AM UTC

}// 140/140

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akm

remix of d/6672 by u/BirdsTweetCodersDweet

function u(t) {

for(c.width|=a=1e3;a--;)with(x)ellipse(960+200*C(a),540+200*S(a),90+30*S(a+t*6.2),90+30*C(a),0,0,7),stroke(),beginPath(globalAlpha=.5)

Feb 3 2018 12:23 AM UTC

}// 134/140

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golfed u/BirdsTweetCodersDweet 's dweet with transparency down

u/BirdsTweetCodersDweet

Ooh, nice!

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akm

remix of d/5759 by u/zanella

function u(t) {

d=x.createImageData(c.width=192,c.height=108);for(i=3;i<82944;i+=4)d.data[i]=(new Date%40)*255;x.putImageData(d,0,0)

Feb 3 2018 12:22 AM UTC

}// 116/140

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changed the random generator and got an other kind of broken tv

u/BirdsTweetCodersDweet

remix https://www.dwitter.net/d/6691

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BirdsTweetCodersDweet

function u(t) {

t?0:s=0;for(c.width|=a=1e3;a--;x.stroke())x.beginPath(),x.ellipse(900+200*C(a),500+200*S(a),100+50*S(a+s),100+50*C(a),0,0,7),s+=1e-4

Feb 2 2018 11:41 PM UTC

}// 132/140

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A torus-like shape made of sin and cos spinning in 3D space. Credit to u/Xen for golfing.

u/BirdsTweetCodersDweet

Better with transparency, but 148 bytes -- t?0:s=0;for(c.width|=a=1e3;a--;x.beginPath(x.globalAlpha=.5))x.ellipse(960+200*C(a),540+200*S(a),90+30*S(a+s),90+30*C(a),0,0,7),x.stroke(),s+=1e-4
u/BirdsTweetCodersDweet

I'm done --- t?0:s=0;for(c.width|=a=1e3;a--;x.stroke(),x.globalAlpha=.5)x.beginPath(),x.ellipse(960+200*C(a),540+200*S(a),90+30*S(a+s),90+30*C(a),0,0,7,x.strokeStyle=R(255*S(a)+255,255*C(a)+255,100+10*C(a))),s+=1e-4 --- 202 bytes, but full with colors and stuff, except for a weird bright area(?)... I dunno, see you all tommorow, I'm off to sleep :P
u/akm

I golfed it to 134 chars with transparency. for(c.width|=a=1e3;a--;)with(x)ellipse(960+200*C(a),540+200*S(a),90+30*S(a+t*6.2),90+30*C(a),0,0,7),stroke(),beginPath(globalAlpha=.5)
u/BirdsTweetCodersDweet

Solved the weird colors --- t?0:s=0;for(c.width|=a=2e3;a--;x.stroke(),x.globalAlpha=.5)x.beginPath(),x.ellipse(960+200*C(a),540+200*S(a),90+30*S(a+s),90+30*C(a),0,0,2*Math.PI,x.strokeStyle=R(255*S(a)+255,255*C(a)+255,100+10*C(a))),s+=1e-4

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akm

function u(t) {

f=document.getElementsByTagName('canvas')[1]
r=f.getContext('2d')
r.font='50px Arial'
r.fillText('😀1🍇1🍉1🍊1🍒1🍍1😉'.split(1)[~~t%7],0,0)

Feb 2 2018 11:37 PM UTC

}// 133/140

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I improved the stats

u/akm

(you might need to "refresh" the code by adding/removing a character to activate the stats)
u/BirdsTweetCodersDweet

lol
u/13thptr

#emoji #stats

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akm

remix of d/6663 by u/Anthorouss

function u(t) {

c.width=1920
for(i=140,l=500;i--;x.lineTo(m,k+10))n=S(t-i/4)*3e2,x.arc(m=i*18-120,k=-n+l,30,0,6.283,x.moveTo(m+220,n+l))
x.fill()
x.stroke()

Feb 2 2018 10:12 PM UTC

}// 140/140

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pallivan

remix of d/6606 by u/21medals

function u(t) {

x.fillStyle='#a10'
for(i=-t;i++<t;x.drawImage(c,c,0),i++)x.drawImage(c,i,1)
x.fillRect(890,54,i,i/t)

Feb 2 2018 9:23 PM UTC

}// 101/140

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Anthorouss

remix of d/6663 by u/Anthorouss

function u(t) {

c.width=1920
for(i=46,l=99;i--;w(-1),w(1))n=C(t-i*.4)*75,w=z=>{with(x)fillRect(k=z*n+l,m=99*i/4,9,9,moveTo(n+l,m+5),lineTo(k,m+5,stroke()))}

Feb 2 2018 6:38 PM UTC

}// 140/140

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marc8

function u(t) {

c.width|=0
for(i=0;i<9;i++){
x.fillStyle=`hsla(${i*25},100%,50%,.5)`
x.fillRect(Math.max(500,Math.min(1300,(i+5)*100+S(t)*800)),400,50,200)}

Feb 2 2018 6:02 PM UTC

}// 140/140

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u/lionleaf

Always fun with remixes of the default dweet! Nice one!
u/f8f82804

#default