Top dweets of all time

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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lcfrdvx

function u(t) {

var l=200;for(i=0;i<l;i++){x.fillStyle=`hsl(${t*100},90%,60%)`;var a=(Math.PI*2/l)*i;x.fillRect(960+C(a+t)*400,540+S(a+t)*C(a*2)*400,10,10)}

Apr 25 2018 7:30 AM UTC

}// 140/140

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#colors

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camel_case

function u(t) {

 x.font="40px mono";t=t*12%68;x.fillText((u+"")[~~(t+17)],~~t*25,600)

Apr 11 2018 6:04 PM UTC

}// 69/140

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Quine by abusing JavaScripts type conversion

u/Galaxtone

Not quite it ends at "*"
u/Galaxtone

nvm it works
u/metamero

#quine

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Agnes

function u(t) {

for(w=c.width|=i=M=100;i--;f=i/M,x.font=~~(M*f)+"px A",x.fillText("･｡☆∴･ﾟ*★*ﾟ".charAt(i%8),(f*(.9+.1*S(i+f*t)))*w,f*(.7+.3*C(i+t/f))*1080));

Apr 7 2018 12:19 PM UTC

}// 140/140

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Characters taken from that weird Twitter meme.

u/BalintCsala

Can't charAt be changed to [i%8]?
u/joeytwiddle

Magical!

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New_Core

function u(t) {

for(c.width|=i=20;i--;x.fillText("🐥",820+(1e3*C(t+i)>>i/3),800-50*S((i+t)%3.1)))x.font=200-i*5+"px A"
x.scale(1,-.38)
x.drawImage(c,0,-3e3)

Apr 1 2018 4:09 PM UTC

}// 139/140

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u/13thptr

nice fake #reflections

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DirtyDan

remix of d/7500 by u/fervour

function u(t) {

p=40;for(i=48;i--;)for(j=27;j--;x.fillStyle=`hsl(${c=(C(i/3+t*3)+S(C(j/4)+t*5)+S((i+j+t*9)*j))*j},99%,${c*C(t)*2}%)`)x.fillRect(i*p,j*p,p,p)

Mar 31 2018 2:22 AM UTC

}// 140/140

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fervour

function u(t) {

for(i=10;--i;){x.fillStyle="#"+((i*128)+~~(t*8));x.fillRect(0, (i-1)*128+S(t*8)*60, 32, 128);}x.drawImage(c, 10, 0)

Mar 27 2018 11:46 AM UTC

}// 115/140

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u/loni_art

wow!

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BalintCsala

function u(t) {

c.width=500
for(i=3;i--;)for(j=99;j--;)(x.fillStyle=`hsl(${i*120},99%,${60+(H=S(t*2+(j/20))*9*(1-j/120))}%`,x.fillRect(50+j,50+i*20+H,1,23))

Mar 26 2018 4:14 PM UTC

}// 140/140

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Waving flag (of something) with shading

u/joeytwiddle

Nice work! I managed shading and colours before, but not both together. d/3161
u/iverjo

#flag

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DirtyDan

function u(t) {

for(c.width+=i=0;i++<99;x.globalCompositeOperation='xor')x.beginPath(x.fill()),x.arc(960+i*T(a=3*S(t)),540+3*C(T(i/120+(a<0?t:-t))),i*5,0,7)

Mar 25 2018 6:22 PM UTC

}// 140/140

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If you want to remix, for extra space delete "a=" and replace "(a<0?t:-t)" with t. That stuff just reverses the direction of the ripple depending on what side it's on.

u/magna

Awesome!
u/DirtyDan

check out d/6724
u/DirtyDan

* d/6812

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Agnes

function u(t) {

with(x)for(w=c.width=1920,i=100,translate(w/2,540);i--;r=w/i,rotate(T(t/30)),strokeRect(m=-r/2,m,r,r));

Mar 25 2018 4:46 PM UTC

}// 103/140

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(Looks way better in full screen.)

u/joeytwiddle

#tunnel #spiral #mercury #timeless #doctor_strange

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prplz

function u(t) {

x.fillStyle=`hsl(${t*=66},50%,50%)`
for(X=120;X--;)for(Y=60;Y--;)((X-60)**2+(Y-30)**2+t)**.45%1>.95&&x.fillRect(X*16,Y*16,16,16)

Mar 25 2018 10:04 AM UTC

}// 128/140

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