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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magna

remix of d/7334 by u/Batrachus

function u(t) {

r=a=>a*Math.random()|0;for(i=w=120;i--;x.fillRect(r(32)*w+b,r(32)*w+b,c=w-2*b,c))x.fillStyle=R((Math.random()<.01)*T,r(T=255),r(T)),b=r(w/2)

Mar 17 2018 4:13 AM UTC

}// 140/140

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#squares

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nashcat

function u(t) {

G=99
c.width=1920;for(i=0;i<200;i++)x.fillRect(i*20-200,S(i*G)*(1200*S(t*2))+300,10,580)

Mar 14 2018 9:24 PM UTC

}// 88/140

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nashcat

remix of d/7272 by u/Batrachus

function u(t) {

d=100
for(c.width+=i=0;i<d;){X=S(3*i)
Z=C(3*i)
B=(-Z*C(t)+X*S(t))/d
x.fillRect(d+850+(X*C(t)+Z*S(t))/B,d+400+C(9*i++)/B,.03/B,.03/B)}

Mar 14 2018 8:39 PM UTC

}// 133/140

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robbyg

function u(t) {

for(Y=108,z=20;Y--;)for(X=192;X--;)x.fillStyle='hsl('+(X*Y*t)%360+',80%,40%)',x.fillRect(X*z,Y*z,z,z)

Mar 13 2018 4:28 PM UTC

}// 101/140

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DirtyDan

function u(t) {

q=540
c.width+=0
for(i=0;i++<q;)b=i%2==0?C(t*2):S(t),
x.lineTo(960+b*q*C(a=i/q*44/7+b),q+b*q*S(a+b))
x.stroke()

Mar 13 2018 2:21 AM UTC

}// 111/140

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Blane

function u(t) {

c.width^=0;for(i=6;i--;x.fill())x.moveTo(960+99*S(t),540+99*C(t)),x.ellipse(960+700*S(t),540+300*C(t),200,200,t+i*1.05,5.2+t,5.7+t)

Mar 9 2018 7:07 PM UTC

}// 131/140

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u/iverjo

Good idea

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sawaxon

function u(t) {

n=S(t)*60;for(j=0;j<45;j++)for(i=0;i<45;i++,x.fillStyle='hsl('+S(i*(t/40))*255+',99%,'+S(j/9)*50+'%)')x.fillRect(i*60,40*j,60*i,60)

Mar 9 2018 12:14 PM UTC

}// 131/140

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prplz

remix of d/7139 by u/prplz

function u(t) {

for(t=(t%8)+8,i=4;i--;t-=4)x.fillStyle=i&1?'#fff':'#000',x.fillText('Dwitter',~x.setTransform(z=3**t,0,0,z,0,1080),0)

Mar 9 2018 2:34 AM UTC

}// 117/140

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Different approach than the old version (no globalCompositeOperation!)

u/prplz

#text

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camel_case

function u(t) {

x.font="200px arial"
x.fillText("It's late. Go to sleep",90,600)
x.fillStyle=R(S(t)*50+99)
new Date().getHours()<21&&x.fillRect(0,0,a=2e3,a)

Mar 9 2018 1:10 AM UTC

}// 140/140

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u/ivzem

I saw this right as the clock was ticking over to 9pm. Made it even cooler

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Xen

remix of d/7216 by u/AnnanFay

function u(t) {

t?x.fillRect(0,0,w,w):w=c.width=406
for(z=99;z--;x.fillText(0|(Y=~~(t*(9+z**7.7%29)))**7%9,z*4,Y*9%w))x.fillStyle=R(0,0,z&&w,z||.05)

Mar 8 2018 9:00 PM UTC

}// 132/140

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Shoutz 2 u/AnnanFay

u/joeytwiddle

#matrix