Dweets awesomed by u/DataMeta

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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joeytwiddle

remix of d/10788 by u/joeytwiddle

function u(t) {

eval(unescape(escape`琪㴮㜻景爨椽㘰〻椭ⴻ砮捬敡牒散琨㤶〭圬㤹⭩ⰲ⩗ⰱ⤩圽⠶〰⩩⵩⩩⤪⨮㔻景爨樽㤻樭ⴻ砮晩汬剥捴⠹㘰ⴵ〰⩃⠲⩴⤭猪⡪ⴴ⤯㌬㐰〭猪匨㠰⩴⤪⠨樭㐩⨪㈩⨪⸵⼲⸹⵳⼲⬸〪匨㐪琩ⱳⱳ⤩猽㤫吨琯㕼簸⤪⨸`.replace(/u(..)/g,"$1%")))

Oct 31 2018 7:22 AM UTC

}// 140/140

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Halloween moon bat

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u/yonatan

This is great! wings are definitely worth the extra 44 chars
u/magna

I'm smiling uncontrollably. Was on a video conference. Had to turn off camera.
u/magna

The comedic timing of the animation is perfect!
u/magna

#waitforit
u/lionleaf

#halloween
u/joeytwiddle

Thank you. Although it was supposed to make you scream...
u/Xen

i was already screaming if that counts.... ;-)

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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.

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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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BalintCsala

function u(t) {

x.fillRect(0,0,c.width=160,160)
for(i=36;i--;i-35&&i%7-2&i%7-6&&x.fillRect(10+i*4,44,3,16))x.clearRect(8+i*4,44,3,21+(i==(t*3+5|0)**3%36))

Oct 26 2018 10:42 PM UTC

}// 138/140

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Piano playing itself

u/magna

Awesome! Using - instead of + makes it more like depressing the keys IMHO.
u/BirdsTweetCodersDweet

That's 21-(i== for you... Took me a while to figure out which + you meant :P
u/lionleaf

#piano

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yonatan

function u(t) {

c.innerHTML=`<svg><filter id=f><feTurbulence baseFrequency=.01 /><feDisplacementMap scale=${t*99}>`;x.filter="url(#f)";x.fillRect(0,0,0,1)

Oct 26 2018 12:11 PM UTC

}// 138/140

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brighter on firefox

u/joeytwiddle

dude... #plasma #oil #oil_spill
u/Xen

i'm stealing this dweet and having it as an animated desktop background :-P
u/tomxor

Nice. Ahh svg filters... I have good memories, but then they were all destroyed by browser regressions.

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joeytwiddle

function u(t) {

c.width|=k=300,x.font='20em"',b=t*60%19683
for(i=9;i--;x.fillText(" ⚬×"[v],580+k*(i%3),380+k*(i/3|0)))
v=(b/3**i|0)%3

Oct 26 2018 5:24 AM UTC

}// 117/140

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Every possible tic-tac-toe board (and some impossible too)

u/joeytwiddle

Challenge: Every possible tic-tac-toe game (no illegal boards)
u/pavel

Here, but only problem is that it keeps playing after winning: c.width|=k=300,x.font='20em"',b=frame>>4,m=b&1 for(i=9;i--;)x.fillText("⚬× "[b&2<<i?m^=1:2],580+i%3*k,380+k*(i/3|0))
u/pavel

Oh, nevermind. Its missing boards because it doesn't permute X and O fully for each template.
u/joeytwiddle

Good effort anyway!

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pavel

remix of d/10653 by u/anotherkitten

function u(t) {

with(x)for(c.width=-1,translate(150,i=84);--i;rotate(t),t=2.1,fill(new Path2D('M67 28 9-72-9-72 37 11-19 11-28 25')))fillStyle=R(a=50*i,a,a)

Oct 24 2018 8:24 PM UTC

}// 140/140

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Show more comments…
u/yonatan

hah! - works as a separator
u/anotherkitten

dang, well done. wasn't sure if it was doable.
u/lionleaf

Nicely done!
u/aleamb

cool!
u/magna

damn.
u/joeytwiddle

Very good
u/katkip

Awesome!
u/katkip

#path2d
u/pavel

#uncompressed in black and white

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anotherkitten

function u(t) {

eval(unescape(escape`挮睩摴桼㴰㭸⹴牡湳污瑥⠹㘰ⰵ㐰⤻砮牯瑡瑥⡴⤻景爨椽㐻ⴭ椻砮牯瑡瑥⠶⸲㠯㌩ⱸ⹦楬氨湥眠偡瑨㉄⡠䴴〴‱㜰‶㘠ⴴ㌳‭㔵‭㐳㌠㈲㈠㘴‭ㄱ㌠㘴‭ㄷ〠ㄶ㑚怩⤩砮晩汬却祬攽恨獬⠤筴⨶ぽ‶〥․筩⨹紥总`.replace(/u(..)/g,"$1%")))

Oct 24 2018 5:08 PM UTC

}// 140/140

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rotating penrose

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u/anotherkitten

source code: https://pastebin.com/wnqGPycP
u/yonatan

cool!
u/tomxor

#Impossibleobject
u/tomxor

I challenge anyone to add rotation :P
u/BirdsTweetCodersDweet

There already is rotation?
u/anotherkitten

i think he means on a different axis that would make the object look 3d
u/tomxor

Yup an axis that is not parallel to the camera plane... i'm half joking because it's an impossible object, a trick of 3d projection, that said their may be a way to maintain the illusion while rotating on one of the fictitious planes.
u/danny@hille.dk

AWESOME!

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Xen

remix of d/10641 by u/veubeke

function u(t) {

for(t+=i=19;i--;x.fill(P=new Path2D,P.arc(960+C(p*t)*p*p,540+S(p*t)*p*p,5*p*p,0,9)))x.fillStyle=`hsl(${(p=i-t%1)*i+t*9} 50%${i-t&1?1:5}0%`

Oct 24 2018 4:58 PM UTC

}// 138/140

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u/anotherkitten

this is fast enough it looks like it has shadowblur to me
u/veubeke

❤️💜💙💚💛🧡
u/katkip

#xweet

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