Dweets awesomed by u/pythech

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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lurifax

remix of d/3178 by u/cantelope

function u(t) {

for(i=2e3;i--;x.fillStyle=R(C(t)*128+128,0,C(i)*128+128,.07))x.fillRect(960+S(p=i/314)*(d=250+S(p*3+C(t))*(S(t)*99)*C(t)*4),540+C(p)*d,9,9)

Sep 23 2017 6:55 PM UTC

}// 139/140

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cantelope

function u(t) {

for(x.globalAlpha=.07,x.fillRect(0,0,q=i=2e3,q);i--;)x.clearRect(960+S(p=i/318)*(d=300+S(p*5+C(t/2)*9)*(140+S(t)*70)*C(t*2)),540+C(p)*d,9,9)

Sep 20 2017 4:28 AM UTC

}// 140/140

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u/lionleaf

So smooth!
u/cantelope

change p*5 to p*3 or whatever for different shapes <3

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cantelope

function u(t) {

for(w=i=c.width|=0,x.globalAlpha=.15;i--;x.fillRect(w/2+S(p=Math.PI*2/6*i+S(t/5)*3e3/i*S(t)+t)*(d=i*i/1e3)-s/2,540+C(p)*d-s/2,s,s))s=i*i/5e3

Sep 13 2017 5:44 AM UTC

}// 140/140

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u/nystrand

nice!
u/Butonix

dacsdvsdvsdvs

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artfarnaa

function u(t) {

for (c.width|=a=9;--a;
x.arc(950+S(t/4+G)*30,
500+C(t/4+G/4)*300,
a*100*Math.abs(S(t/10)),
0,7)) x.moveTo(G=a|0,0)
 x.fill('evenodd')

Aug 21 2017 2:58 AM UTC

}// 133/140

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u/donbright

i love the pacing of this, gives a very unique feel.

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kchplr

function u(t) {

P=t?(C(t)+1)*1e6:A=[];B=[X=P>>9,Y=P%1e3,M=P&127,0,7];A.some(([o,p,q])=>Math.hypot(X-o,Y-p)<q+M)||x.beginPath(A.push(B))|x.fill(x.arc(...B))

Aug 20 2017 6:56 PM UTC

}// 139/140

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A brute force approach to circle packing. A lot of thanks to jsgolf slack channel residents @xem and @qfox helped **a lot** reducing my original 167 characters attempt ( https://codegolf.tk/a/152 ), as in actually doing most of it. I honestly did not think reaching 140 bytes was possible.

u/Xen

done you a remix ;)
u/sigveseb

Excellent stuff
u/iverjo

#dots

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artfarnaa

function u(t) {

 for (c.width|=a=48;--a;x.arc(960+S(G+t)*400,
 540+C(t+G*1)*400,a%2*137*Math.abs(S(t))*8,0,
 6.2832))x.moveTo(G=a/2|0,0)
 x.fill('evenodd')

Aug 8 2017 1:14 AM UTC

}// 140/140

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cantelope

remix of d/2948 by u/cantelope

function u(t) {

for(x.globalAlpha=.05,x.fillRect(0,0,g=i=2e3,2e3);i--;x.clearRect(960+l*S(i/3e2+t)*g/Z,540+C(p)*i/Z*g,s=5e8/Z/Z,s))l=S(p=i+t)*i,Z=g*4-l*C(t)

Jul 27 2017 8:40 PM UTC

}// 140/140

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u/Rybar

love this render method. globalAlpha + erasing holes is a new trick for me
u/sigveseb

good style!
u/iverjo

Really nice!

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cantelope

remix of d/2309 by u/cantelope

function u(t) {

x.fillRect(0,0,i=2e3,2e3);for(g=i/2;i--;x.clearRect(960+l*S(t)*g/Z,540+C(p)*i/Z*g,s=2e8/Z/Z,s))l=S(p=i*2.1+t*(i<1e3?-1:1))*i,Z=g*4.5-l*C(t)

Jul 27 2017 6:43 AM UTC

}// 139/140

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u/sigveseb

kewl
u/iverjo

stylish

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Xen

remix of d/1105 by u/fson

function u(t) {

x.strokeStyle=R(r=T(t*5)*(N=450),r/.22,N*r*.22);x.arc(N+N,N,(S(t)+1)*N,0,6);x.stroke();x.drawImage(c,T(t),C(t))

Jul 24 2017 12:18 AM UTC

}// 111/140

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u/sigveseb

This is cool!
u/Xen

Thank you. :-)
u/p01

MASSIVE
u/Xen

wicked,, wicked,, jungle is..

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cantelope

remix of d/2873 by u/cantelope

function u(t) {

for(i=(W=960)*2;i--;x.fillRect(i,0,.2,2e3,x.clearRect(W+W/(Z=7.5+C(p=i/9+1/V+t)*V)*S(p)*V,99+W*Y/Z,s=500/Z/Z,s)))Y=(t+i/5)%4,V=i/W*(4-Y)/++Y

Jul 15 2017 8:52 PM UTC

}// 140/140

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Again, special thanks to p01 for making this dweetable.

u/cantelope

the goal was to golf this ( https://cantelope.org/vortex ) to140b. Mission accomplished. :)
u/donbright

awesome
u/innovati

🌀😎👌
u/cantelope

❤️

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