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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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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coderkid

remix of d/4974 by u/alexander

function u(t) {

b=document.body,x.lineWidth=8;c.onmousemove=(e)=>{X=e.clientX*1920/b.clientWidth;Y=e.clientY*1080/b.clientHeight;x.lineTo(X,Y);};x.stroke();

Dec 31 2017 3:49 PM UTC

}// 140/140

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ADESONOM

function u(t) {

c.width=1920;x.font="150px Arial";n=~~(t/2);x.fillText(n+":"+(n%3?"":"Fizz")+(n%5?"":"Buzz"),600,520)

Dec 31 2017 3:39 PM UTC

}// 101/140

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See this is what happens when you get bored and you're watching Tom Scott...

u/BirdsTweetCodersDweet

What is this even meant to be?
u/PiggyClone205

A word game thing in which you list numbers, and say fizz on every multiple of three, buzz on every multiple of five, and on every multiple of both three and five, you say fizzbuzz.

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nickd3000

function u(t) {

c.width=1920;
for(i=0,f=500,g=15;i<200;i++){
y=(i%((t/21)%15))*f
x.fillRect(i*9,f+y,g,g)
x.fillRect(i*9,f-y,g,g) 
}

Dec 31 2017 3:38 PM UTC

}// 116/140

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SpringStingray

remix of d/4972 by u/SpringStingray

function u(t) {

c.width^=i=0,a=480,b=6.28/a;while(i++<=a)d=i*b,k=d*t%a,x.moveTo(2*a+a*C(d),a+a*S(d)),x.lineTo(2*a+a*C(k),a+a*S(k));x.stroke()

Dec 31 2017 3:19 PM UTC

}// 125/140

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u/infomiho

love it
u/Lazy1337

#cardioid

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alexander

remix of d/4973 by u/alexander

function u(t) {

x.lineWidth=10
c.onmousemove=function(e){X=e.clientX*3.385;Y=e.clientY*3.385}
c.onclick=function(e){c.width=1920}
x.lineTo(X,Y)
x.stroke()

Dec 31 2017 3:13 PM UTC

}// 138/140

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More precise mouse controls

u/coderkid

It is true for this feed view, it doesn't work on different canvas sizes. try full screen.
u/alexander

Yeah I've tried, but I feel that the feed view is more important

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alexander

function u(t) {

x.lineWidth=10
c.onmousemove=function(e){X=e.clientX*3.3;Y=e.clientY*3.3}
c.onclick=function(e){c.width=1920}
x.lineTo(X,Y)
x.stroke()

Dec 31 2017 3:09 PM UTC

}// 134/140

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u/joeytwiddle

#interactive

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SpringStingray

remix of d/4963 by u/typo

function u(t) {

c.width^=i=0;a=480;b=6.28/a;while(i++<=a){d=i*b;k=d*t%a;x.moveTo(2*a+a*C(d),a+a*S(d));x.lineTo(2*a+a*C(k),a+a*S(k))}x.stroke()

Dec 31 2017 3:04 PM UTC

}// 126/140

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macdonald

function u(t) {

im un too surc.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 */

Dec 31 2017 2:52 PM UTC

}// 139/140

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doof

function u(t) {

t||x.translate(960,540)
x.rotate(.1/t)
x.drawImage(c,-980,-560,1960,1120)
x.fillStyle=`hsla(${t*60},50%,50%,.3)`
x.fillRect(0,0,1,1e3)

Dec 31 2017 2:41 PM UTC

}// 134/140

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BackendForth

function u(t) {

x.fillStyle=R(S(t)*99+99,9,9)
for(i=0;i<1920;i++){x.fillRect(i,540+499*C(t)*f((i-t*44%1999)/99),1,5)
function f(a){return Math.pow(3,-a*a)}}

Dec 31 2017 2:37 PM UTC

}// 140/140

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