Dweets awesomed by u/robotman_

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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KilledByAPixel

function u(t) {

for(T[2931]=i=6001;i--;T[i]&!(T[d+=i]|T[d+e]|T[d-e])&&x.fillRect(i%99*20,i/5,21,T[d]=21))d=(Math.random(e=1)*4|0)*2-1,d>1?d=(d-4)*99:e=99

Dec 20 2020 6:09 AM UTC

}// 137/140

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Maze Growth

Show more comments…
u/Xen

nice!
u/rodrigo.siqueira

I was not able to remix because it's a self-destructive code that can run only once.
u/pavel

Use u instead of T to store the data. u does not persist between edits.
u/KilledByAPixel

ah thanks pavel, good call
u/akx

This reminds me of an algorithm I discovered in 2012: https://akx.github.io/spacefill/spacefill.ht…
u/rodrigo.siqueira

It reminds me of the brain's synapse formation process (synaptogenesis) and neural embryogenesis. May be a similar algorithm (but in 3D or in higher dimensions) could be used in the simulation of stochastic neural networks.

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pavel

remix of d/21012 by u/pavel

function u(t) {

with(x)for(c.width|=i=710;i--;beginPath(fill(ellipse(40+18*C(a=++t%3.1416),0,w=S(a),!rotate(i*49+w/3),a,0,7))))setTransform(9,0,0,9,960,540)

Dec 17 2020 3:03 AM UTC

}// 140/140

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Torus Study #2

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pavel

function u(t) {

with(x)for(fillRect(i=-710,i,i*=-2,i);i--;clearRect(20+9*S(a=i+t),2,w=C(a),w>0))setTransform(16,0,0,16,960,540),rotate(i/226)

Dec 15 2020 11:04 PM UTC

}// 125/140

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Torus Study #1

u/magna

WOW!
u/vovanmozg

fantastic!

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intrinsic

remix of d/20935 by u/rodrigo.siqueira

function u(t) {

for(ⵠ=1e4,ഽ=(β,α,γ,ට)=>γ>1?ഽ(α+γ*S(ට),β+γ*C(ට),γ/3,T(ට/11)*23):x.fillRect(β+960,α+540,γ,γ);ⵠ--;)ഽ(0,0,360,ⵠ+t)

Dec 15 2020 8:24 PM UTC

}// 110/140

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7 bytes less #golf

u/pavel

Shaving off 8 more for(f=(X,Y,r,a)=>r>1?f(Y+r*S(a),X+r*C(a),r/3,T(a/11)*23):x.fillRect(X,Y,r,r);t<1e4;)f(960,540,360,++t)
u/intrinsic

Awesome!
u/Xen

for(f=(X,Y,r,a)=>r>1?f(Y+r*S(a),X+r*C(a),r/3,T(a/9)*23):x.fillRect(X,Y,r,r);t<1e4;)f(960,540,360,++t)

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rodrigo.siqueira

remix of d/20959 by u/jellyedwards

function u(t) {

c.style.filter=`invert(`
for(e=k=c.width|=w=50;k--;x.fillRect(w|x.rotate(k%w+t/4),9,1,1))
x.setTransform(v=2+k%7,0,0,v,k,(k*k+t*v)*w%e-w*8)

Dec 15 2020 6:23 PM UTC

}// 139/140

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Night snow #snowflake

u/Xen

smooth!
u/pavel

Nice. Here's 126, maybe room for snowflake code with(x)for(fillRect(0,0,i=2e3,i);i--;)clearRect(50,9,!setTransform(s=2+i%7,0,0,s,i,i&&(i*i+t*s)*50%2e3-400),i&&!rotate(i+t/4))

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ntsutae

function u(t) {

for(t*=30,c.width=X=128;X--;)for(Y=72;Y--;)(t+X^t-Y)%41<Y/4&&x.fillRect(X,Y,1,1)

Dec 13 2020 9:38 PM UTC

}// 80/140

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u/magna

Fantastic!

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Pascal

function u(t) {

c.style.filter="blur(30px)contrast(99)";for(c.width|=k=300,l=0;l<4;l++)e=l*1.6,x.fillRect(860+k*C(3*t+e)+k*S(t+e),400+k*S(5*t+e)*C(t+e),k,k)

Dec 12 2020 8:50 PM UTC

}// 140/140

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mirrored #metaballs

u/Xen

smooth
u/magna

wobbly

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danny@hille.dk

function u(t) {

for(c.width=!T?2e3:56,w=T?1:36,X=56;X--;t?T:c.onmouseup=_=>T=!T)for(Y=36;Y--;x.fillStyle=R(o=255*S(Y/9+C(X/9)-t),-o))x.fillRect(X*w,Y*w,w,w)

Dec 11 2020 5:31 PM UTC

}// 140/140

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Change resulution on click

u/Xen

nice!

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cantelope

function u(t) {

eval(unescape(escape`𩡯𬠨𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛁩🐲𩐳𛁩𚐻𪐭𛐻𮀮𨱬𩑡𬡒𩑣𭀨𞐶𜀫𦐯𚁚👃𚁰𚐪𩀫𞀩𚠨𪀽𝐴𜀩𛁨𚱘𛱚𚡨𛀵𛀸𚐩𦀽𤰨𬀽𪐯𜰮𜐸𜰩𚠨𡰽𤰨𬐽𚁩𛰲𜁼𜀩𛰹𛠵𝐫𭀩𚐫𡰪𝀬𦐽𤰨𬀽𣑡𭁨𛡡𭁡𫠲𚁙👃𚁰𚐬𦠽𠰨𬐩𚠴𚱓𚁰𚐪𠰨𬐩𚐫𭀩𚠨𩀽𣑡𭁨𛡨𮑰𫱴𚁙𛁚𚐩`.replace(/u../g,'')))

Dec 11 2020 2:39 PM UTC

}// 140/140

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perspective torus #d3

u/rodrigo.siqueira

I always learn a lot about perspective by reading Cantelope's code. Thanks!

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KilledByAPixel

remix of d/20939 by u/KilledByAPixel

function u(t) {

c.style.filter='invert('
for(t*=i=300;i--;x.fillText(j=i/12|0,j,j*S(j*j*t),3))x.setTransform(1,0,0,i%2*2-1,t*24%1980,t),x.rotate(i%12/1.908)

Dec 8 2020 5:55 AM UTC

}// 140/140

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#snowflake study #3

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