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.

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RespectDeniedExplodedDefended

remix of d/4104 by u/RespectDeniedExplodedDefended

function u(t) {

w=1920,h=1080;for(c.width=i=w;i>0;i-=3){
x.fillRect(i,S(i+S(t/8)*t*8)*i+h/2,5,5);
}

Dec 27 2017 7:06 PM UTC

}// 83/140

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Zolden

function u(t) {

z=600;if(t==0){a=z;b=z;m=0;n=0}l=0.0002;m+=S(t+10*n);n+=Math.random()-.5;
n=n*.99+l*(z-b);m=m*.99+l*(z-a);a+=m;b+=n;x.fillRect(a,b,20,20)

Dec 27 2017 7:06 PM UTC

}// 137/140

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koloskus

function u(t) {

c.width=1920;
  for(i=1;i<384;i++)
  x.fillRect(i*5,300+(T(i+1*t/5)*10), 5, 540);

Dec 27 2017 7:03 PM UTC

}// 81/140

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xem

function u(t) {

x.fillText(t,t,t)

Dec 27 2017 7:03 PM UTC

}// 17/140

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quest for the smallest aimated dweet, top 1: 17b

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xem

function u(t) {

x.fillRect(t,t,t,t)

Dec 27 2017 7:02 PM UTC

}// 19/140

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quest for the smallest aimated dweet, top 2: 19b

u/BuRRak

x.fillText(t,t,t)
u/joeytwiddle

#challenge

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netule

function u(t) {

x.fillStyle='#fc92'
x.fillRect(0,0,2e3,2e3)
x.fillStyle=R(S(t)*255,127,C(t)*255)
for(i=0,j=49;i<39;)x.fillRect(++i*j,540+(T(t*.05*i)*j),j,1)

Dec 27 2017 6:30 PM UTC

}// 140/140

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hope4tg

function u(t) {

function q(n){for(i=2;i<n;i++)if(n%i==0)return 0;return n>1;}for(w=0;w<37;w++)for(h=0;h<37;h++){if(q(h*37+w))x.fillRect(w*15,h*15,12,12)}

Dec 27 2017 6:02 PM UTC

}// 137/140

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Some prime number shenanigans. Sorry if this slows your browser down, it is not exactly an animation and I could not fit a clear in.

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3yanlis1bos

function u(t) {

c.width=1920; 
  
for(i=0;i<Math.abs(S(t))*1800;i++){         x.fillRect(i+40, 1500*S(i), 50, 50) }

Dec 27 2017 4:39 PM UTC

}// 99/140

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qwalrus

remix of d/3697 by u/Citiral

function u(t) {

w=1920;for(c.width=i=w;i>=0;i-=5)for(j=0;j<1080;j+=10){i2=i-w/2;j2=j-1080
d=Math.sqrt(i2*i2+j2*j2)/60
o=5+C(d-t*5)*5
x.fillRect(i,j,o,o)}

Dec 27 2017 4:15 PM UTC

}// 137/140

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vyshnavi

function u(t) {

c.width=1920;
x.beginPath()
x.arc(950, 550, (C(t)+1)*200+30, 0, 2 * Math.PI)
x.fill()

Dec 27 2017 4:01 PM UTC

}// 86/140

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