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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.

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E-Mouse

function u(t) {

t;f=(n)=>{if(n<=1)return 1;return f(n-1)+f(n-2)}
throw f(10)

Feb 24 2018 2:15 PM UTC

}// 60/140

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Get the n:th fibonacci number!

u/cantelope

can remove the parentheses around n, e.g. f=n=>

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agentultra

function u(t) {

c.width|=0,d=C(t)*300,f=100
for(i=0;i<30;i++)
x.strokeStyle=R(C(t)*d,0,d),x.arc(960+S(i)*d,5.6*f+S(i*t)*d,f,S(t)*d,360),x.stroke()

Feb 24 2018 2:43 AM UTC

}// 130/140

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BirdsTweetCodersDweet

function u(t) {

c.style.border=~~(t*t)+'px solid black';

Feb 22 2018 2:47 PM UTC

}// 40/140

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Claustrophobia

Show more comments…
u/BirdsTweetCodersDweet

Also, why are the edges cut off?
u/BuRRak

This is weird
u/hg

Edges are cut because the iframe doesn't take up the whole div.
u/BirdsTweetCodersDweet

Well that sucks...
u/BirdsTweetCodersDweet

hmm, stuff like 0.2px solid black seems to work for all edges though
u/BirdsTweetCodersDweet

0.4 gets cut off on the right, and at 0.5 our problems start -- weird... :/

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fgf34rg

remix of d/7029 by u/fgf34rg

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<100;i++)
x.fillRect(400+i*100+S(t)*(300+i),S,50,200) // draw 50x200 rects

Feb 21 2018 7:23 AM UTC

}// 116/140

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fgf34rg

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*(300+i),400,50,200) // draw 50x200 rects

Feb 21 2018 7:21 AM UTC

}// 116/140

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decagon

function u(t) {

c.width=1920 
for(i=0;i<100-(t*1);i++) {
x.fillRect((i*4.1*C(S(C(S(t))))+T(t**100)-t*2)*5,-400,5,8+i*15) // draw 50x200 rects
}

Feb 21 2018 3:52 AM UTC

}// 127/140

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A lonely triangle. All it can do is try its best, before it slowly withers away.

u/iverjo

Social commentary? ^^

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BirdsTweetCodersDweet

function u(t) {

t?0:(c.width=5e3,c.height=5e3);X=C(t)*2.4e3+2.4e3;Y=S(t*2)*540+540;x.fillStyle=`hsl(${t*X+Y},50%,50%)`;x.fillRect(X,Y,50,50)
throw X

Feb 18 2018 12:28 AM UTC

}// 132/140

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And a mega 8-loop :D

u/sigveseb

Why the throw X?
u/BirdsTweetCodersDweet

Debugging :D... Forgot to remove it, apparently :P

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BirdsTweetCodersDweet

function u(t) {

t?0:c.width=50;X=C(t*.5)*20+20;Y=S(t)*7.5+10;x.fillStyle=`hsl(${t*X+Y},50%,50%)`;x.fillRect(X,Y,10,10)

Feb 18 2018 12:13 AM UTC

}// 102/140

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Mini 8-loop

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meaniningOf42

function u(t) {

c.width=1920 
a=20
for(j=0;j<99;j++)for(i=0;i<99;i++)x.fillRect(a*(i+j),a*(j/S(t+i)),i,5)

Feb 16 2018 10:38 PM UTC

}// 89/140

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davidsharp

function u(t) {

n=c.height=c.width=128
for(k=0;k++<n;)for(y=0;y++<n;)if(y>(40+(S((k+(t*10)%128)/10)*20)))x.fillRect(k,y,1,1)

Feb 14 2018 12:31 AM UTC

}// 111/140

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Drawing pixels as rects is slooooooooow

u/loni_art

i tried writing a rect filler in Win32 a while ago, there's a lot of stuff you have to think about!