Dweets awesomed by u/Bendoman

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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rikardlindstrom

function u(t) {

!t&&x.translate(980,540)
for(i=99;i;i--){x.fillStyle='#'+(4E5+(255<<(w=t*i))).toString(16).substr(-6)
x.rotate(.3)
x.fillRect(l=-w/2,l,w,w)}

Dec 30 2017 6:15 AM UTC

}// 140/140

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zkfrontman

remix of d/4252 by u/zkfrontman

function u(t) {

for(c.width|=0,i=1;i<1e3;i++)p=t-16*i,x.fillStyle=R(255,255*S(p),255*S(p+4)),x.beginPath(),x.arc(2*i,600+100*T(p),4*C(p)+11,0,7),x.fill();

Dec 29 2017 8:13 PM UTC

}// 138/140

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u/fmease

it looks beautiful!
u/joeytwiddle

nice #colors

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TylerCross

remix of d/4689 by u/TylerCross

function u(t) {

c.width|=0
  for(i=0;i<192;i++)
for(y=1;y<11;y++)
  x.fillRect(i*10,100+y*y*10.5+(C(i*0.5/y-t*2+y)+S(t-(y*y)/15))*y*10, 5, 5)

Dec 29 2017 7:20 PM UTC

}// 126/140

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u/mohd-akram

Love this.
u/joeytwiddle

#ocean #waves

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E-Mouse

function u(t) {

c.width|=0;for(i=32;i--;)x.fillRect(i*60,0,(Math.round(t).toString(2).padStart(32,0).charAt(i)==1)?50:0,1e3)

Dec 29 2017 6:09 PM UTC

}// 108/140

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Binary second counter!

u/BuRRak

Cool

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tjl

function u(t) {

x.fillText(c,1e3,9);x.filter='saturate(116%)hue-rotate(15deg)contrast(95%)sepia(1%)';x.setTransform(1,0.01,-0.01,1,5,-8);x.drawImage(c,0,0);

Dec 29 2017 6:02 PM UTC

}// 140/140

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NB: Results vary between browsers. Tested on Linux Chrome and Firefox, different but cool results on both.

u/Xen

nice
u/coltonb

who put this acid in my coffee
u/ctrlx

(Shhhhh, or everyone will want some of your coffee! :P )

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JoshiRaez

remix of d/4657 by u/JoshiRaez

function u(t) {

c.width|=0;for(i=0;i<19; i++){for(j=-3; j<=3; j=j+0.125){x.fillRect(960+C(t+i+j)*270*C(Math.abs(j/2)),540+270*S(j/2),10,10);}}/*finally*/

Dec 29 2017 12:34 PM UTC

}// 137/140

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jonathan_b

remix of d/4243 by u/jonathan_b

function u(t) {

for(c.width|=s=490,i=0;i<s*8;i+=64)for(j=17;j<44;)x.fillStyle=R(s/C(i),j*4,i,.6),x.fillRect(960+s*C(i)*S(T(t/j*5)+j++/j*i*j),540+s*S(i),j,j)

Dec 29 2017 11:37 AM UTC

}// 140/140

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u/iverjo

#sphere

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clogn

remix of d/4635 by u/clogn

function u(t) {

var r = c.width/4;
x.fillStyle = R(255*S(t)*S(t),255*C(t)*C(t),255*S(2*t)*S(2*t),S(t)*S(t));
x.fillRect(c.width/2,c.height/2,r*S(t),r*C(t));

Dec 29 2017 10:51 AM UTC

}// 140/140

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worldoftrouble

function u(t) {

c.width|=0;for(j=0;j<6;j++){for(i=0;i<80;i++){n=t+3*i;o=128+99*C(n);x.fillStyle=R(o,o,o,1);x.fillRect(960+200*S(n)+S(j)*100,i*15,9,9)}}

Dec 29 2017 10:51 AM UTC

}// 135/140

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u/Bendoman

Well executed.

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quuxman

function u(t) {

p=t?p:Array(9e3).fill(0)
for(i=0;i<9e3;x.fillRect(p[i+=2]+=(p[i+1]+=Math.random()-.5)%2e3,p[i+2]%1e3,9,9))
x.fillStyle=R(S(t*5)*120,0,0,.3)

Dec 29 2017 10:45 AM UTC

}// 139/140

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u/Zikoat

i was looking for a way to initialize a variable, good one!
u/quuxman

Yah, stole it from u/Xem or someone
u/joeytwiddle

#virus #outbreak
u/vain

Amazing!

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