Dweets awesomed by u/crimbles

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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crimbles

function u(t) {

t||x.translate(980,540)
x.fillStyle=R(0,0,0,.1);
for(i=0;i<100;i++){
x.fillRect(i*C(t*0.5)*50,i*S(C(t*0.05)),50,4)}
x.rotate(C(t*0.02))

Jan 1 2018 9:47 AM UTC

}// 135/140

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yaniv

function u(t) {

if(t%5<.01)c.width=2e3,x.font='9em a',fetch('//api.coinmarketcap.com/v1/ticker/').then(r=>r.json().then(v=>x.fillText(v[0].price_usd,0,99)))

Jan 1 2018 7:28 AM UTC

}// 140/140

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Extracting the value of Bitcoin in dollars from coinmarketcap.com's API, every 5 seconds. Assuming your browser supports 'fetch' + some numerical inaccuracies in "t". :)

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rikardlindstrom

function u(t) {

t||x.translate(980,540)
c.style.background=R(x.fillStyle='#fff',++t<4&&x.drawImage(c,~x.fillText(0,~x.scale(s=1+C(t)/20,s),0),~x.rotate(t)))

Dec 31 2017 7:03 AM UTC

}// 140/140

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Show more comments…
u/Flopster

Wow! Too bad it doesn't reset, but this looks incredible!
u/rikardlindstrom

Thanks! All I could fit in 140 characters. Happy to hear suggestions how to squeeze it further though!
u/magna

Amazing!
u/iverjo

Kudos
u/sigveseb

So pretty!
u/tqdwqwd

qwd
u/meesh

Wow!
u/iverjo

#galaxy
u/lionleaf

#space #stars

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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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zkfrontman

remix of d/4252 by u/zkfrontman

function u(t) {

for(c.width|=0,i=1;i<1e3;i++)p=t-16*i,x.fillStyle=R(255,255*S(p),255*S(p+4)),x.beginPath(),x.arc(2*i,600+100*T(p),4*C(p)+11,0,7),x.fill();

Dec 29 2017 8:13 PM UTC

}// 138/140

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u/fmease

it looks beautiful!
u/joeytwiddle

nice #colors

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ben

function u(t) {

function v(a,b,g,r){if(r>1){x.fillRect(a+=r*S(g),b-=r*C(g),2,2)
v(a,b,g-1+C(t),r*=.7)
v(a,b,g+.5+S(t),r)}}c.width=500
v(250,270,0,80)

Dec 28 2017 9:28 PM UTC

}// 133/140

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Show more comments…
u/Xen

LOVE IT!
u/ben

trying to make a swaying tree but requires too many characters to draw the branches
u/Xen

join the chat and show your code... :-)
u/sigveseb

Very good!
u/itsjustmustafa

recursive functions in under 140, love it!
u/Bendoman

Best thing on here by far.
u/FrankMoren27

awesome
u/iverjo

#recursive
u/lionleaf

#fractals
u/vain

incredible

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magna

remix of d/3486 by u/cantelope

function u(t) {

for(x.globalAlpha=.07,x.fillRect(0,0,i=2140,i);i--;)x.clearRect(i*25%2e3+S(p=i*3+(k=C(t*2+i*9)**9))*(v=S(i*171+t)**99*50),i%1080+C(p)*v,4,4)

Nov 9 2017 3:43 PM UTC

}// 140/140

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Taking turns

u/cantelope

:D
u/crimbles

Makes me feel itchy

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magna

remix of d/3408 by u/magna

function u(t) {

t||(a=Array(w=3e3).fill(0));x.rotate(S(t)*1e-4);for(i=w;i--;x.fillStyle=R(T,T=S(i)*255,T,.3),x.fillRect(i,a[i],9,1))a[Math.random()*w|0]++

Oct 30 2017 2:34 AM UTC

}// 138/140

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Textile

u/crimbles

If The Matrix was a blanket

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donbright

remix of d/3115 by u/joeytwiddle

function u(t) {

东=122,北=123;for(i=999;i--;){j=(东*i)%frame-frame,k=北*i/frame-frame,b=j*j+k*k,r=j*j-k*k,g=2*j*k,x.fillRect(900+i*r/b,400+i*g/b,3,3)}

Aug 29 2017 4:05 AM UTC

}// 130/140

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"The Great Something"

u/donbright

oh, note, alter 东 and 北 to get different patterns.
u/joeytwiddle

H̀̕E̸͞ ̛̕͜C͡O̷M̷͜E̸͟S͢͜
u/Xen

n̎ͭͫ͐͛ͫ͌͂̇̾͆͋̍̾̈́ͨͤͨ҉͜͠o̷̶͛ͮ͗́̚͝ơͥ̆ͦͧ̇̅̋̅ͨͮ̃ͫ͂̌̐̓҉͏̵oͦ͂̂̅͑ͩͭ̒ͧ̀̚͠o̧ͤ͌ͩ̏ͨ͏͝

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vvarr

function u(t) {

i=q=c.width=2e3
for(;i--;x.fillRect(o*C(a)*z+q/2,(r*S(b)+190)*z,z*=z/2,z))z=q/((o=2e2+(r=25+9*C(6*S(a=i/310-t)))*C(b=i%50/8))*S(a+=2*t)+710)

Apr 26 2017 12:06 AM UTC

}// 140/140

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u/donbright

wwooooahhh!!!
u/rileyjshaw

for(i=q=c.width|=0;i--;... can save a few bytes :)
u/Kalanchoe

oh wow! this is mind-blowing
u/sigveseb

Very cool stuff
u/vvarr

Thanks a lot guys, my first dweet! ^^

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