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: #ScaryMovies

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firegodjr

remix of d/23960 by u/firegodjr

function u(t) {

x.globalCompositeOperation="difference"
x.fillStyle="#fff"
x.fillRect(0,0,2,2)
x.drawImage(c,2,0)
x.drawImage(c,1,2)

Sep 29 2021 7:22 PM UTC

}// 116/140

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Recurrence (more triangular)

u/magna

Awesome!
u/magna

This could be combined with a gradual zoom to create a perfect loop
u/rodrigo.siqueira

Mesmerizing
u/astucky21

Something ominous about this, but love it.
u/aleamb

#sierpinski

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rodrigo.siqueira

remix of d/5958 by u/Jezza

function u(t) {

x.fillRect(K=4*frame,1078,4,2)
x.drawImage(c,1,-1)
x.drawImage(c,1,-1)
x.drawImage(c,-K/2,-8*frame)
x.globalCompositeOperation='xor'

Jan 14 2021 4:47 PM UTC

}// 132/140

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Sierpinski Plotter #fractal #sierpinski #generator #fullscreen

u/Qwitter

Cantor Stalagmites Too
u/erin

frame >> t*60
u/codingsilver

fractal finesse

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HellMood

function u(t) {

z=256;t=z-z*t%73;t*=t/6e4;for(i=99;i--;)for(k=56;k--;)x.fillStyle=R(((i-k/2)*t&k*t)*z,z,z),x.fillRect(i*19,k*19,11,11)

May 8 2020 11:49 PM UTC

}// 118/140

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Zoompinski

Show more comments…
u/HellMood

Hard to trade resolution, speed, zoom smoothness and space against each other ;)
u/sigveseb

Nice!
u/HellMood

#sierpinski
u/bandaloo

how does a sierpinksi triangle come out of that expression in R? i do not understand
u/joeytwiddle

bandaloo, you can get a Sierpinski out of i&k binary and
u/bandaloo

thanks joeytwiddle. i did some research after this and learned a lot

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aleamb

function u(t) {

M=Math;a=65025,c.width=w=255;v=w/2;for(;a--;)e=a&w,f=a/w,d=(7650/M.sqrt((s=e-v)*s+(z=f-v)*z)),g=M.atan2(f,e),d+t*99&f&&x.fillRect(e,f,1,1)

Jan 19 2018 1:33 PM UTC

}// 138/140

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My first dwitt. Sierpinski triangles on tunnel effect, more or less.

u/joeytwiddle

Reminds me of the black hole in Interstellar >.<
u/aleamb

#sierpinski #tunnel

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Xen

function u(t) {

for(i=1e3;i--;)x.fillText(i,i|t*i,i)

Jun 27 2019 6:15 PM UTC

}// 36/140

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36byte #sierpinski triangle

u/KilledByAPixel

Nice! You can also use & instead of | for a slightly different style. i&i/t is also good
u/Xen

i'd say the last is my fav i&i/t
u/donbright

ugh i dont understand how it works.

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pavel

remix of d/8622 by u/leSchieber

function u(t) {

f=frame;(d=(a,b,n,r,m=n/2)=>{a-=m;b-=m;--r&&d(a,b,m,r)&d(a+n,b,m,r)&d(a,b+n,m,r)&d(a+n,b+n,m,r);--f||x.fillRect(a,b,n,n)})(960,540,500,7)

Oct 24 2018 9:08 AM UTC

}// 137/140

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u/katkip

#fractal
u/BirdsTweetCodersDweet

Awesome! Looks like a #hilbert_curve
u/katkip

Yeah but it is actually something like #sierpinski carpet
u/katkip

nvm, it's Vicsek's fractal

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rodrigo.siqueira

remix of d/23567 by u/danny@hille.dk

function u(t) {

eval(unescape(escape`󢜽󫭥󭼠󢝭󨝧󩝄󨝴󨜨󥼽󜼲󜌬󢌽󜜸󜜩󞽳󟝉󛭤󨝴󨜻󩭯󬬨󨼮󭽩󩍴󪌽󭼽󪜽󜼲󜌻󪜭󛜻󚝦󫽲󚍈󟜱󞌱󞽈󛜭󞽳󛭳󩝴󚍛󢼽󥌨󦜯󬭼󦌯󬬫󭌪󞜩󚭈󚼱󛽲󛽈󚭓󚍴󚜪󞌸󚭙󛍋󛼶󛌬󜬵󝝝󛍈󚭗󚬴󚽩󚬴󚜩󦜽󢌯󝼰󛍲󟜨󚍘󟝩󛼸󜌭󜬩󚭘󚽙󚭙󚜯󝜰󞽸󛭰󭝴󢝭󨝧󩝄󨝴󨜨󢜬󜌬󜌩`.replace(/u../g,'')))

Aug 16 2021 10:09 PM UTC

}// 139/140

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Sierpinski Pulsar Orbit #sierpinski

u/danny@hille.dk

Super cool - golfed a bit to center the pulsar I=new ImageData(c.width=i=W=320,h=181);for(s=I.data;i--;)for(H=h;H--;s.set([K=T(Y/r|X/r+t*9)*H+1/r/h*S(t*3)*W*H/16,K/6,,255],H*W*4+i*4))Y=1.3-H/70,r=((X=i/80-2)*X+Y*Y)/50;x.putImageData(I,0,0)
u/danny@hille.dk

better version: I=new ImageData(c.width=i=W=320,h=181);for(s=I.data;i--;)for(H=h;H--;s.set([K=T(Y/r|X/r+t*9)*H+1/r/h*(1+S(t*3))*W*3,K/6,,255],H*W*4+i*4))Y=1.3-H/70,r=((X=i/80-2)*X+Y*Y)/50;x.putImageData(I,0,0)
u/384.cz

nice

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KilledByAPixel

remix of d/22668 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𩡯𬠨𪐽𨰮𭱩𩁴𪁼🐰𛁴🱸𛡦𪑬𫁒𩑣𭀨𦀫👁𚠽𡠨𦀫👁𚐬𦐫👂𚠽𡠨𦐫👂𚐬𞐬𞐩𞠨𦠽𜰴𛁅🐶𜀬𦀽𞀶𜀬𦐽𝰰𜀬𠐽𝐬𠠽𜰩𞱩𛐭𞱸𛡦𪑬𫁒𩑣𭀨𪐥𡐪𦠬𚁩𛱅𯀰𚐪𦠬𭀿𘑵𦱩𧐪𦠺𭑛𪑝🐡𚁩𙑅𙡩𛱅𚐬𦠩𚑆👟🐾𭑛𡰽𚁘𛱚𯀰𚐫𚁙𛱚𯀰𚐪𡑝🐭𘑵𦱇𧑼𜐻`.replace(/u../g,'')))

Apr 30 2021 11:00 PM UTC

}// 139/140

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Breakinski #sierpinski #breakout

u/Nascretis

That is really cool, as always!
u/KilledByAPixel

Thank you. ✌️😊

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rodrigo.siqueira

remix of d/20620 by u/dnmc

function u(t) {

c.width|=0
for(var q=0;q<120;q++)for(var w=0;w<110;w++)
if((V=q|w+t*140)%9)x.fillRect(960+q*(w/9)-w*7,50+w*9,7,9)

Nov 16 2020 7:49 PM UTC

}// 113/140

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Fastpinski triangle flow #Sierpinski

u/danny@hille.dk

Nice
u/tomxor

Feels like some kind of alien pyramid... ok yeah i've been watching too much startgate

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pavel

function u(t) {

for(c.width|=i=100;i--;)
for(j=50;j--;)
s=20*S((i|j)-t/2)**20,  // Then a miracle occurs
x.fillRect(10+20*i-s/2,10+20*j-s/2,s,s)

Oct 31 2018 3:37 AM UTC

}// 128/140

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#sierpinski

u/joeytwiddle

Transient overlapping Sierpinskis. Lovely.

dwitter.net | #sierpinski