Top #Sierpinski dweets

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: #Food

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nystrand

function u(t) {

for(i=w=3e3,a=b=g=333*T(t%9/7);j=(i^a*a)%4,i--;x.fillRect(a+=g+C(j*5+t)*g-a/2-w+g,b+=g+S(j*9+t)*g-b/2-w,s,s),w=2)x.fillStyle=R(s=w*9,w,s,.1)

Dec 28 2017 2:50 PM UTC

}// 140/140

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u/sigveseb

This one is fantastic! Good job indeed
u/Bendoman

Brilliant!
u/Xen

very very impressive!
u/magna

HOW ON EARTH
u/nic

MIND:=BLOWN
u/lowpoly

Gawd, I learnt a lot today
u/Citiral

Since when does Javascript support black magic?
u/sigveseb

Needs more upvotes!
u/doof

this was such a delight to unpack :)
u/Lazy1337

wow
u/aleamb

amazing
u/iverjo

I'm awestruck
u/xem

unbelievable
u/trapkid

lol
u/aleamb

epic! one of the greatest dwitter
u/ThreeNPlusOne

sierpinski triangle :D
u/xem

It'd be nice to have a blog post explaining it :) (please?)
u/trupples

I didn't look much into it but it might have to do with a thing I read about once where if you have a point that "walks" half the distance towards a random corner of a triangle you'll end up drawing a sierpinski triangle sorta like you can see in https://www.dwitter.net/d/5097
u/trupples

And according to http://distrustsimplicity.net/articles/sierp… if you were to use 4 points instead of 3 you'd get a tetrahedron like in this dweet. Fascinating stuff
u/stiaje

#witchcraft
u/lionleaf

#top_of_the_year
u/Scaledish

wow
u/Tekmap

👏👏👏👏👏
u/vain

that's not from this world! incredible code / 3d fx and blur
u/rodrigo.siqueira

3D flying #sierpinski pyramid #fractal

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pavel

remix of d/18074 by u/pavel

function u(t) {

c.width|=f=(X,Y,d,z=2+X*S(a=Y-4*t))=>d>>8?x.fillRect(960+1e3*X*C(a)/z,540+1e3*Y/z,6,6):[t,t+2,t+4].map(i=>f(X+C(i)/d,Y+S(i)/d,2*d));f(0,0,2)

Mar 28 2020 3:27 AM UTC

}// 140/140

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#sierpinski dance

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u/sigveseb

Very clean!
u/DataMeta

So smooth!
u/aleamb

wow! very smart code!
u/lionleaf

What an amazing dweet. And little did you know I had already planned #dancing as the theme for April. You were ahead of the times :D
u/joeytwiddle

Nice! Here is a dirtier, underrated relative: d/13611
u/Qwitter

looks glossy!
u/vain

Very nice and smooth 3D rotated and transformed sierpinski

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pavel

remix of d/13601 by u/pavel

function u(t) {

c.width|=f=(X,Y,Z,d,o=d<7&&5)=>{for(x.fillRect(960+1e3*X/Z,1e3*Y/Z,s=6/Z/Z,s);o--;f(X+R*S(a=t+11*o),Y+R,Z+R*C(a),d+1))R=o&&2**-d}
f(0,0,1,2)

May 8 2019 6:02 AM UTC

}// 140/140

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#sierpinski #pyramid

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u/KilledByAPixel

Wow!
u/Jezza

So great!
u/iverjo

Impressive! #d3
u/katkip

cute
u/rodrigo.siqueira

They said it was impossible. But Pavel did it anyway and here it is.
u/KilledByAPixel

This one was worth of an awesome gif... https://imgur.com/gallery/oHiQizL
u/f8f82804

#perspective
u/KilledByAPixel

reddit says hi https://www.reddit.com/r/perfectloops/commen…
u/katkip

Top of the month
u/yukulele

shouldn't it have a triangular base?
u/pavel

That would be a tetrahedron. Pyramids usually have a square base.
u/vain

So wonderful! Amazing work!

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pavel

function u(t) {

c.width|=0;for(let i=4e3,X=Y=Z=w=960;i--;x.fillRect(w+w*X/z,w*Y/z,s=64/z/z,s))a=i**t%5/.64,b=!!a,X=X/2+b*S(a+t),Y=Y/2+b,Z=Z/2+b*C(a+t),z=4+Z

May 2 2019 7:40 PM UTC

}// 140/140

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#sierpinski #pyramid #waitforit #chaosgame

u/pavel

#d3 #perspective
u/Jezza

I really like this!
u/jylikangas

Great! And with performance optimization. :)
u/katkip

UFO :))

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yonatan

remix of d/10014 by u/yonatan

function u(t) {

c.width|=f=(u,v,a,s,i=3)=>s<9?x.lineTo(u,v):i&&f(u+S(b=a+i*Math.PI/3*2)*s,v+C(b)*s,b*-2,s/5*3)|f(u,v,a,s,i-1)
f(960,540,t/9,270)
x.fill()

Sep 22 2018 3:26 PM UTC

}// 137/140

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u/katkip

That's awesome #fractal
u/iverjo

cool!
u/joeytwiddle

mother of #sierpinski #dragon
u/quuxman

delicious

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pavel

remix of d/23821 by u/pavel

function u(t) {

for(c.width=w=127,i=n=9087;i--;u[i]=420*t>n-i?p&u[r=i+w+i*t%3|0]<1?u[r]++:p:(X-Y/2-30*t-w&Y)<1)x.fillRect(X=i&w,Y=i>>7,.7,p=u[i])

Sep 10 2021 9:36 PM UTC

}// 129/140

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Mr Sierpiński, I don't feel so good

u/Joachim

#sierpinski #particles #physics
u/tomxor

interesting idea (transitioning between imovable and movable).
u/Toby

Very original!
u/rep_movsd

Entropy :(
u/donbright

bravo

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magna

remix of d/24280 by u/magna

function u(t) {

c.width=f=255,k=40*(t+8)
for(i=f;i--;)for(j=f;j--;x.fillRect(i,j,1,(X*X+Y*Y)**S(t)**2-.2+S(k*X)*S(k*Y)*S(k/20/f)+(i&j)&1))X=i/f-.5,Y=j/f-.3

Nov 2 2021 6:46 PM UTC

}// 139/140

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Magic!

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u/magna

Keeps evolving #waitforit
u/cantelope

dafuq
u/magna

It all started with d/24264 courtesy of u/Jabo
u/taupelink

wow
u/Joachim

#sierpinski
u/Xen

love it!
u/donbright

beautiful
u/andrea270872

terrific stuff... I will have to study every character of your code!!
u/Jabo

Hero
u/joeytwiddle

magic ❤️

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KilledByAPixel

remix of d/23103 by u/KilledByAPixel

function u(t) {

for(w=c.width&=j=10368;F=b=j--/1e4;x.fillRect(j%w,j>>7,F,X=Y=R=T=1))for(a=1-j%w/64;++R<w;Y+=b)X-=64-(X+R+t*9&R)%w/2<Y?(F=1-R/w/T++,a=b=-1):a

Jun 19 2021 6:24 PM UTC

}// 140/140

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Sierpiński Mountains ⛰️

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u/katkip

WOAH
u/Xen

epic
u/magna

Epic, in many ways...
u/DaSpider

Are you doing this full time? How did you manage to monetize your dweets? ;)
u/aleamb

superb! #sierpinski #landscape #mountains
u/donbright

how in the heck
u/vain

ufff... O.o Your coding skills are not from this world...

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rodrigo.siqueira

remix of d/28286 by u/UEZ

function u(t) {

for(c.width=X=256;X--;)for(Y=0;Y++<143;x.fillRect(X,Y,h/d/7,1))for(d=-9;d--,!((h=d+2**16+(d*(80*C(t)-X)+4e3*t&d*(Y-S(t)*d)+2e4)>>9&d)&8););

Aug 13 2023 6:54 PM UTC

}// 139/140

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#Sierpinski #City

u/Xen

love it!

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danny@hille.dk

function u(t) {

for(X=w=c.width=180;X--;)for(Y=98,p=.5*((C(t/3)*Y)**2+(S(t/4)*X)**2)**.5;Y--;)X-t*60&Y-t*60&23&&x.fillRect(X+S(t+Y/55)*p,Y+C(t+X/44)*p,1,1)

Jan 3 2023 12:49 AM UTC

}// 139/140

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remix of https://twitter.com/toshiyamarukubo/status/1…

u/danny@hille.dk

¡dn ǝpıs sıɥ⊥
u/vain

Incredible cool 3d looking fx. love it
u/joeytwiddle

Impressive! #sierpinski #flag

dwitter.net | #Sierpinski