Dweets awesomed by u/ebiester

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: #Opposites

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trupples

remix of d/4838 by u/E-Mouse

function u(t) {

e='1 2 + 100 *'.split(' '),s=[]
e.map(o=>+o==o?s.push(o):(q=s.pop(),s.push(eval(s.pop()+o+q))))
document.body.innerText=s

Dec 30 2017 1:19 PM UTC

}// 121/140

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E-Mouse

function u(t) {

e='1 2 + 100 *',e=e.split(' '),s=[]
for(i in e){o=e[i],n=+o;if(n==o)s.push(n);else q=s.pop(),w=s.pop(),s.push(eval(w+o+q))}x.fillText(s,9,9)

Dec 30 2017 1:00 PM UTC

}// 140/140

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A RPN(reverse polish notation) calculator in 140 bytes. The text is really small so either you have to zoom in or change the font size.

u/E-Mouse

Enter the RPN code in the e variable ("e='1 2 + * 10'")
u/E-Mouse

Btw only js operators

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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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travisdoesmath

remix of d/4815 by u/travisdoesmath

function u(t) {

for(i=0;i<300;i++){x.fillStyle=R((i)%255,(i)%255,(i+20*t)%255);x.beginPath(),x.arc(960-i/9*S(i+t)*30,540+i/9*C(i+t)*30,i/2,0,6.28);x.fill()}

Dec 30 2017 6:01 AM UTC

}// 140/140

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u/crimbles

Remixed https://www.dwitter.net/d/5358

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Xen

remix of d/4721 by u/Xen

function u(t) {

x.strokeRect(3,4,W=1912,H=1072)
x.drawImage(c,4,4,W,H)
x.strokeStyle=`hsl(${t*H/9},99%,50%)`
x.rotate(C(t)/1e4)

Dec 29 2017 8:17 PM UTC

}// 111/140

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Version2: the hippy summoner!

u/iverjo

#trippy
u/Cloud

Retro style

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ben

remix of d/4509 by u/ben

function u(t) {

v=(a,b,g,r)=>{for(i=0;i++<r;)x.fillRect(a+=S(g),b-=C(g),r/9,2)
r>1?v(a,b,g+=o,r*=.7)&v(a,b,g+=5,r):0}
o=S(t)/9+1
c.width=500
v(250,280,0,80)

Dec 29 2017 1:23 PM UTC

}// 140/140

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blowing in the fractal wind

Show more comments…
u/sigveseb

Sweet!
u/Xen

very nice!
u/Bendoman

Fabulous.
u/lionleaf

Amazing!
u/lynnlangit

love, love, love it!
u/nystrand

elegant!
u/iverjo

#recursive
u/lionleaf

#fractals
u/lionleaf

#fractal . hmm, maybe not plural
u/vain

so beautiful - amazing work!

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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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CliffJonesJr

remix of d/1829 by u/New_Core

function u(t) {

c.width|=0
for(i=16;i--;)x.ellipse(1e3+S(t*8+i/9)*300,500+C(t*8+i/9)*50,160+S(-i/2)*160+t,5+S(i/9)*50+t*t,1.6+S(t*5)/5+t*t,9,0,6)
x.stroke()

Dec 29 2017 7:34 AM UTC

}// 140/140

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Wonky fish freak-out.

u/lionleaf

flop flop flop

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quuxman

function u(t) {

for(a=i=1e3;i--;x.fillStyle=R(c=i/5,0,i*9%255,i/a))x.save(),x.translate(a+S(c)*i,500+C(c)*i),x.rotate(t),x.restore(x.fillRect(0,0,i/5,i/9))

Dec 29 2017 3:30 AM UTC

}// 139/140

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ebiester

remix of d/4452 by u/Xen

function u(t) {

c.width|=s=S(t)
x.translate(o=960,480)
for(i=o/2;i--;x.rotate(C(t/2)/i*t))x.fillStyle=R(i*C(t)+99,99,220-i),x.fillRect(i*6*s,i*6*s,i/6,i*5)

Dec 28 2017 10:53 PM UTC

}// 139/140

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Shouts back to Xen - this is really a minor tweak on his idea.

u/Xen

looking good

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