Dweets awesomed by u/Citiral

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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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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hogan

remix of d/3713 by u/bobdunn

function u(t) {

c.width=1920;for(i=0;i<188;i++){a=(S(1.5*t+i+1.5)*226)%256;x.fillStyle=R(0,170,a,a/256);x.fillRect(i*10,450+S(1.5*t+i)*400,50,200);}

Dec 29 2017 8:56 AM UTC

}// 132/140

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u/sigveseb

Nice and clean visuals
u/hogan

thanks!

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rikardlindstrom

function u(t) {

!t&&x.translate(960,540)
b=c.style.background='#000'
s=1.005
x.scale(s,s)
x.rotate(.1047)
x.fillStyle=t%2>1?b:'#fff'
x.fillRect(0,100,1,1E4)

Dec 28 2017 11:23 PM UTC

}// 140/140

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u/sigveseb

Surprisingly stylish :)
u/meesh

This should go on a wall!

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jonathan_b

remix of d/4472 by u/jonathan_b

function u(t) {

c.width|=s=510;q=2;for(i=0;i<s*q*2;)for(j=1;j<q;)x.fillStyle=R(s/C(i++),i/9,j*q,.6),x.fillRect(960+s*C(i)*C(t/s/q%j++/j*i),s+s*S(i),20,20)

Dec 28 2017 10:26 PM UTC

}// 138/140

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let it run a bit :)

u/sigveseb

Good colors

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veubeke

function u(t) {

t?c.width^=0:(b=7,c.onclick=onmousemove=e=>e.y/c.offsetWidth*24-b%15|0?0:b+=5)
x.font='6em"'
x.fillText('U Can’t Touch This',550,b%15*80+40)

Dec 28 2017 10:20 PM UTC

}// 140/140

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u/lionleaf

hahaha . (try touching it)
u/sigveseb

Lololol
u/xem

Dunn dun dun dun ~
u/E-Mouse

Says 142/140 characters, CHEATER!
u/Purpzie

you monster

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nystrand

function u(t) {

for(i=w=3e3,a=b=g=333*T(t%9/7);j=(i^a*a)%4,i--;x.fillRect(a+=g+C(j*5+t)*g-a/2-w+g,b+=g+S(j*9+t)*g-b/2-w,s,s),w=2)x.fillStyle=R(s=w*9,w,s,.1)

Dec 28 2017 2:50 PM UTC

}// 140/140

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Show more comments…
u/sigveseb

This one is fantastic! Good job indeed
u/Bendoman

Brilliant!
u/Xen

very very impressive!
u/magna

HOW ON EARTH
u/nic

MIND:=BLOWN
u/lowpoly

Gawd, I learnt a lot today
u/Citiral

Since when does Javascript support black magic?
u/sigveseb

Needs more upvotes!
u/doof

this was such a delight to unpack :)
u/Lazy1337

wow
u/aleamb

amazing
u/iverjo

I'm awestruck
u/xem

unbelievable
u/trapkid

lol
u/aleamb

epic! one of the greatest dwitter
u/ThreeNPlusOne

sierpinski triangle :D
u/xem

It'd be nice to have a blog post explaining it :) (please?)
u/trupples

I didn't look much into it but it might have to do with a thing I read about once where if you have a point that "walks" half the distance towards a random corner of a triangle you'll end up drawing a sierpinski triangle sorta like you can see in https://www.dwitter.net/d/5097
u/trupples

And according to http://distrustsimplicity.net/articles/sierp… if you were to use 4 points instead of 3 you'd get a tetrahedron like in this dweet. Fascinating stuff
u/stiaje

#witchcraft
u/lionleaf

#top_of_the_year
u/Scaledish

wow
u/Tekmap

👏👏👏👏👏
u/vain

that's not from this world! incredible code / 3d fx and blur
u/rodrigo.siqueira

3D flying #sierpinski pyramid #fractal

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jbl

function u(t) {

c.width|=0;for(i=2e3;--i;){p=t-i;d=i/9;x.fillStyle=R(d,0,0,S(p));x.fillRect((C(p)*850)%2e3+S(t)*500+990,(i*11+t*99)%2e3-99,S(p)*90,90)}

Dec 28 2017 12:13 PM UTC

}// 135/140

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u/sigveseb

Nice sense of scale
u/Xen

love it
u/Xen

done you a remix: #4403
u/jbl

thanks!
u/Xen

very welcome ;-)
u/vain

Looks like some bumpmapped tower. Very impressive! Great work!

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anykey

function u(t) {

c.width|=0
x.font='200px courier'
x.fillText('¯\\_   _/¯',410,670+S(t*4)*30);
x.fillText('(ツ)',730,650);

Dec 27 2017 11:04 PM UTC

}// 104/140

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u/sigveseb

Hehehe the animation

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Citiral

remix of d/4160 by u/Citiral

function u(t) {

i=new Image();i.src="http://tny.im/bwl";x.drawImage(i,0,1080-S(t-0.5)*230)
c.style=`transform:rotate(${~~(t/6.1415)*180}deg);`

Dec 27 2017 9:24 PM UTC

}// 126/140

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I hope this works on all browsers :)

u/OlegSchwann

Unfortunately not. "The page’s settings blocked the loading of a resource."

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Citiral

function u(t) {

i=new Image();x.fillStyle="#fee3b8";x.fillRect(0,0,1920,h=1080);i.src="http://tny.im/bwj";x.drawImage(i,0,1080-S(t-0.5)*230)

Dec 27 2017 9:07 PM UTC

}// 124/140

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