Dweets awesomed by u/veubeke

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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Current theme challenge: #Food

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veubeke

remix of d/3207 by u/veubeke

function u(t) {

t*10&7?(c.width=200,p.map((v,i)=>i%2?p[i]=+v+.5:x.fillRect(78+v*9,p[i+1]*10,8,8))):p=[...'514140302010110100'.substr(Math.random()*6<<1,8)]

Sep 28 2017 9:56 PM UTC

}// 139/140

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u/cantelope

i wish i could give this 10 awesomes

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veubeke

function u(t) {

t*60&7||[0,0,0,d=1,c.width=200,,,].map((v,i,p)=>p[4+i]=p[i%2||x.fillRect(95+v*9,9+p[i+1]*9,8,8),2+i]+(i%2?2-d:(d+=Math.random()*4-2|0)-1)%2)

Sep 27 2017 9:27 PM UTC

}// 140/140

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Starchaser

function u(t) {

c.width=1920;for(i=20;i--;x.fillStyle=R(50,0,i*9)){x.setTransform(1,0,0,1,960,540);x.rotate(.314*i-t);x.fillRect(-12,150+T(t+i*3)*25,24,85)}

Sep 27 2017 4:03 AM UTC

}// 140/140

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u/innovati

Beautiful! 🌀
u/magna

This is great!
u/stiaje

How do I get this as a loading spinner for my website? :D
u/donbright

cooool

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cantelope

function u(t) {

with(x)for(i=c.width|=0,font="51px a";i--;translate(i*36%1980,(i/55|0)*36),rotate(i%9/5-t*4),fillText('＋',-25,18),restore())save()

Sep 27 2017 2:03 AM UTC

}// 130/140

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fullscreen or go home... (thx to @xem for idea to use unicode glyphs)

u/innovati

So beautiful
u/lionleaf

Cool! Reminds me of d/134 :D
u/alien

wow *__*
u/p01

🐝💣 ;)

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Xen

remix of d/1945 by u/jes5199

function u(t) {

c.width=900;for(a=-0;a<99;a++)for(b=0;b<54;b++){n=255*S(C(a)*C(b)*t*9);x.fillStyle=R(n,0,-n,.7);x.fillRect(a*9,b*9,Z=C(t)+9,Z)}

Sep 22 2017 9:33 PM UTC

}// 127/140

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Xen

remix of d/3183 by u/New_Core

function u(t) {

for(e=290,d=x.getImageData(a=910+e*S(t*2)*2,b=490+e*C(t*2.5),150,b)
,i=6e4;i--;)d.data[i]=(i-3)%4?1:19+d.data[i]%255;x.putImageData(d,a,b)

Sep 21 2017 9:04 PM UTC

}// 138/140

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the longer it runs, the better :)

u/iverjo

Clever!

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nystrand

function u(t) {

with(x)for(translate(t?S(t):m=993,t?0:540),i=m;i--;fillRect(-m,i+z,3e3,8+z/22))fillStyle=R(z=m/((i*i-t*9)%m),z*3,rotate(-T+(T=i+S(t/9))),.3)

Sep 1 2017 10:41 PM UTC

}// 140/140

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Show more comments…
u/Xen

reminds me of spiderman intro, nice one!
u/cantelope

whaaaaaa
u/sigveseb

Really cool
u/magna

Wow!
u/joeytwiddle

Great!
u/iverjo

Wow!
u/Xen

had to have a play, done remix :)
u/alien

Can some one explain what the with(x) is doing ? please :)
u/lionleaf

Wow! That looks amazing. Love what looks like a white cube that vanishes in the beginning too.
u/nystrand

@alien: with(x) puts x in the scope so that you don't have to write the "x." part of x.fillRect, x.translate etc. So, it only saves bytes if you have more than 3 functions in x you want to call.
u/N0va

Very nice!
u/joeytwiddle

Cyber Fibers
u/katkip

wait wot
u/marc8

Really 3D on a large screen
u/joeytwiddle

#matrix

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3D.ceffo

function u(t) {

c.width=1000; /* clear the canvas */
  for(i=0;i<500;i++)
  x.fillRect(2*i, 200+100*S(i*Math.PI/250)*C(t*i), 2,200)

Aug 30 2017 2:10 PM UTC

}// 116/140

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Time Machine

u/donbright

this is a cool illusion, i thought it was getting bigger
u/3D.ceffo

just like a generator

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Xen

function u(t) {

for(i=1e3;i--;x.fillStyle=`hsl(${i+frame},99%,50%)`)x.fillRect(949+C(t*3)*i,500+S(t*3)*i,.1,99*C(t*t))

Aug 29 2017 8:48 PM UTC

}// 102/140

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Xen

remix of d/3118 by u/donbright

function u(t) {

for(i=2e3;i--;x.fillStyle=`hsl(${i+t*t},99%,50%)`)x.fillRect(i*(i*i-(j=t*i%frame)*j)/(b=j*j+i*i),999-i*j*i/b,2,4)

Aug 29 2017 6:08 PM UTC

}// 113/140

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u/donbright

dude i let this run for like 10 minutes and it was really interesting. like little rainbow ants or something.
u/Xen

yeah sorry, it has 'bugs' LOL ;-)
u/sigveseb

lol

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