Dweets awesomed by u/skeletonNatte

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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Current theme challenge: #Opposites

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rbong

function u(t) {

for(X=960;X--;x.fillStyle=`hsl(${(t+k)*25},99%,50%)`,x.fillRect(X*2,t%9*120,2,2))for(r=i=0,k=45;--k/r;i=j)j=2*r*i+1-t%9/54,r=r*r-i*i-X/4800

Oct 28 2018 8:38 PM UTC

}// 139/140

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Scanline Rainbow Mandelbrot Section

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u/rbong

I've spent quite a bit of time now trying to get a faster, more detailed mandelbrot set or other interesting fractal that hasn't been done in fewer characters. This has included exploring obscure fractals like those generated from polynomial roots, using image data as storage or other memoization, and the dweet earlier that used WebAssembly with a new compression technique. I'll keep exploring these ideas, but this experiment bore the quickest result. #fractal #mandelbrot #scanline #rainbow
u/rbong

Oh yeah, I also tried MAndelbrot perturbation. It's pretty expensive for these purposes but I might be able to do something similar.
u/Xen

Love it!
u/tomxor

I'd love to see more fractals, especially more esoteric ones, keep up the good work rbong.
u/katkip

Great job bro!! I love this one!
u/lionleaf

Amazing!
u/iverjo

#slow_render

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tomxor

function u(t) {

x.fillRect(0,0,i=2e3,i)
for(t+=240;i--;c=t/3*(i%t<t/8))x.clearRect(960+c*S(R=i**.7)+t*C(T),540+c*C(R)+t*S(T=i**.5)*C(!c*i),s=8*S(i*160-t),s)

Oct 28 2018 5:35 PM UTC

}// 140/140

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#space #star #sun

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u/katkip

awesome
u/tomxor

It looks a bit more toasty if you multiply t*2 in i*160-t, just couldn't figure out how to fit it.
u/f8f82804

almost looks like a #virus
u/iverjo

#solar #flare
u/Cloud

#sun
u/erin

virus aged badly....
u/vain

has corona reached dwitter? Great procedural generated gfx

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katkip

function u(t) {

for(i=0;i++<360;)S(i)<T(t*S(i)*t*t/i)?x.fillRect(t*100,i*3,2,9):0;

Oct 27 2018 5:24 PM UTC

}// 66/140

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#abstract #art #waitforit It is actually a street, and to right is the flower field! Short 66

u/sigveseb

Woow so little code for all that?! Epic
u/sigveseb

Even smaller for(i=360;i--;)S(i)<T(t**3*S(i)/i)&&x.fillRect(t*99,i*3,2,9)

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yonatan

remix of d/10718 by u/yonatan

function u(t) {

eval(unescape(escape`景爨挮睩摴桼㵩㴵㐰㭩ⴭ㭸⹦楬汒散琨〬㔴〫椬㉥㌬匨㕥㌯椫琩⼹⤩挮獴祬攮扡捫杲潵湤㵠汩湥慲ⵧ牡摩敮琨⌳㔷Ⱐ⍦〲㌠㔰┬⌸㐲㠠㔰┬⌴㘶⤬牡摩慬ⵧ牡摩敮琨捩牣汥⁡琠捥湴敲Ⱓ晦映㜥Ⱓ晤㠠㤥Ⱓ捡㠩总`.replace(/u(..)/g,"$1%")))

Oct 27 2018 10:35 AM UTC

}// 140/140

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#ocean #sunset with #waves

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u/Xen

Amazing!
u/katkip

This is the most realistic dweet I ever seen!
u/yonatan

Thanks. I have a much nicer (and longer) version in flash at http://wa.zozuar.org/code.php?c=2HBv (click the "get flash" gif for chrome to activate it)
u/sigveseb

Fantastic! Looking back and comparing with the old water/ocean dweets from the early days of dwitter, we sure have come a long way since then!
u/jmpp

This is dope! I'm new to all these crushing techniques and wonder how did you get the Asian sign version of your algo ?
u/yonatan

Here: https://www.dwitter.net/d/9207
u/katkip

#realistic

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anotherkitten

function u(t) {

for(i=2,l=218;i;)x.fillStyle=--i?"#55cdfc":"#f7a8b8",x.fillRect(0,l-l*i,t*l,l),x.fillRect(0,l*3+l*i,t*l,l)

Oct 26 2018 11:05 PM UTC

}// 106/140

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u/anotherkitten

shit didnt realize this was so slow lol

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yonatan

function u(t) {

c.style.background=`linear-gradient(#357, #f023 50%,#8428 50%,#434),radial-gradient(circle at center,#fff 7%,#fd8 9%,#ca8 33%)`

Oct 26 2018 9:16 PM UTC

}// 127/140

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#sunset

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uzuor

function u(t) {

c.width=180
with(x)
for(i=0;i<40;i++){beginPath()
arc(-S(t/1.5)*i*1+90,C(t)*i*2+50,i*1+1,0,6.28)
strokeStyle='rgb(0,127,'+i*6+')'
stroke()}

Oct 24 2018 4:36 PM UTC

}// 139/140

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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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yonatan

remix of d/10629 by u/yonatan

function u(t) {

s=c.style;s.backgroundBlendMode='difference';for(b=[i=9];i--;s.background=b)b[i]=`radial-gradient(at ${50+S(t+i)*50}%${i*9}%,#fed,#012 50%)`

Oct 24 2018 7:13 AM UTC

}// 140/140

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u/lionleaf

Wow! That's trippy and cool looking :D Looks like an oil spill or something #plasma #oil #oil_spill
u/joeytwiddle

Great!
u/tomxor

Neat, looks like #diffraction and #Interference, I guess it is litterally the later.
u/katkip

cool
u/Purpzie

Still seems to look the same without s.backgroundBlendMode='difference'
u/yonatan

Dwitter doesn't reset CSS styles when you edit the code. Try making it '' instead of 'difference'
u/lionleaf

u/yonatan Oh, I guess that's a bug.
u/DataMeta

Absolutely incredible

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jick

remix of d/10609 by u/jick

function u(t) {

c.width=18;f=Math.floor
for(i=9;i--;)for(j=10;j--;){
r=S(f((t+=99)));
if (r-f(r)>(i/12)){
x.fillRect(i,j,1,1)
x.fillRect(17-i,j,1,1)}
}

Oct 22 2018 5:11 PM UTC

}// 135/140

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