Dweets awesomed by u/Bugsy

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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ellisk1

function u(t) {

x.fillRect(0,0,q=c.width=2e3,q);for(i=q;i--;){r=100+(i/1e2)**4/t;z=6*S(i)+t*i/r;x.fillStyle="#fff";x.fillRect(1e3+C(z)*r,500+S(z)*r,5,5)}

Jan 1 2018 1:04 AM UTC

}// 137/140

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u/lionleaf

Awesome! A rotating black hole?
u/ellisk1

Yep! A black hole was the inspiration!!
u/donbright

awesome, closest thing to blackhole ive seen on here
u/rcdr18

What a great idea! :)

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Bugsy

function u(t) {

c.width^=0;x.arc(960,540,400,0,7);for(i=960;i--;)x.rect(960+T(t-i)*200,540+300*S(2*t+i/28),9,9);x.fill("evenodd")

Dec 31 2017 6:42 PM UTC

}// 113/140

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ben

remix of d/4938 by u/ben

function u(t) {

x.fillStyle='#47f1'
x.fillRect(0,0,w=2e3,w)
for(i=1e4,x.fillStyle='#fff';i--;)x.fillRect((S(i*i)*w*w)%w,w-(b=(t*i/9+S(i)**2*w)%w),b/=99,b)

Dec 31 2017 1:34 PM UTC

}// 138/140

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u/donbright

perfect winterdweet

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Ben

function u(t) {

c.width=2e3;for(i=0;i<20;i++){x.fillStyle=R(255*S(t),255*S(i/10),255*C(i/10),1);x.fillRect(i*100,5e2+S(1*t+100*i)*1e2,40,200*S(5*t+100*i))}

Dec 31 2017 1:14 PM UTC

}// 139/140

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jonathan_b

remix of d/4939 by u/jonathan_b

function u(t) {

for(c.width|=s=490,i=s;i;)for(j=6;--j;)q=t%256,x.fillStyle=R(s/T(q-i),i/T(j-i),s/C(i),1/j),x.fillRect(970+s*C(i--)*T(t/j+j),s+s*S(i),35,35)

Dec 31 2017 10:14 AM UTC

}// 139/140

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function u(t) {

var n=1920,e=255,w=_=>[...Array(_).keys()].map(C);w(n).map(i=>{x.fillStyle=R(T(t/i)*e,e*i,e-S(t*i)*e);x.fillRect(S(t*i)*n,i*n,9,t/i)})

Dec 31 2017 8:36 AM UTC

}// 135/140

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logomach

function u(t) {

c.width=2e3;for(i=20;i--;){for(j=10;j--;)x.fillStyle=R(i*20,j*25,10),x.fillRect(960+S(t-i-j*.05)*400,540+S(t+i-j*.05)*200,10,10)}

Dec 31 2017 7:30 AM UTC

}// 129/140

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u/Bugsy

Can remove the brackets from the first “for” and save 2 characters
u/Bugsy

Can also replace the “*.05”s with “/20” to save 2 more

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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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sigveseb

function u(t) {

x.fillStyle=R(w=(r=2e3*Math.random(x.font='5em A')|0)%2,w*r,0,.1+w);w?x.fillText('茶骨璧'[r%3],r,99):x.fillRect(0,0,r*9,r);x.drawImage(c,0,99)

Dec 31 2017 2:34 AM UTC

}// 140/140

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enter the matrix!

u/sigveseb

#matrix #rain

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logomach

function u(t) {

c.width=2e3;for(i=20;i--;){x.fillStyle=R(i*19,75,70);x.fillRect(0,i*54,1920,54)}x.font='100px Arial';x.fillText('Ａ　Ｅ　Ｓ　Ｔ　Ｈ　Ｅ　Ｔ　Ｉ　Ｃ',150,600)

Dec 31 2017 1:01 AM UTC

}// 140/140

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