Dweets awesomed by u/yokljo

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: #Opposites

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jylikangas

remix of d/7979 by u/jylikangas

function u(t) {

eval(unescape(escape`睩瑨⡸⥦潲⡣⹷楤瑨㵩㴭㔻⬫椼㔻䌽愽㹬楮敔漨⡘㵓⡴⤪㤩⬱㔰⭡⨵㤯⡺㵪⵴┱⤬㠰⬨吽㤹⭓⡪⭴♡⤪㌰⤯稭堪㈩⥦潲⡪㴷㭢敧楮偡瑨⡦楬氨⤩ⱃ⡩⤬ⴭ樻䌨椫ㄩⱪ⬫ⱃ⡩⬱⤬樭⴩晩汬却祬攽刨䌨椩ⱔ⼲⭪⨲〩`.replace(/u(..)/g,"$1%")))

Oct 29 2018 4:08 PM UTC

}// 140/140

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3D landscape with compressor's help

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u/lionleaf

#landscape
u/sigveseb

Niiiice
u/rbong

Incredible!
u/joeytwiddle

Reminds me of Zarch (1987)
u/f8f82804

#d3 #wireframe #perspective #shading
u/katkip

cool

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yonatan

remix of d/10737 by u/yonatan

function u(t) {

for(i=c.width=99;i--;)for(j=58;j--;x.fillRect(i,j,1,1))k=(50-i)/(z=j-27),x.fillStyle=R(q=z>0?S(j*j+k-t*7)*C(j**3-k*3+t)*z/2+60-j:j+9,q*=4,q)

Oct 29 2018 1:55 PM UTC

}// 140/140

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u/lionleaf

Wow! #sea #water #waves #landscape
u/jylikangas

One of my favorites!
u/robbyg

Fantastic mood. Well done!
u/aleamb

Amazing! Reminds me of the Solaris ocean

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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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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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yonatan

remix of d/10705 by u/yonatan

function u(t) {

eval(unescape(escape`瑼簨挮睩摴栽㔶㠩㭣⹩湮敲䡔䵌㵠㱳癧㸼晩汴敲⁩搽显㱦敔畲扵汥湣攠扡獥䙲敱略湣礽⸰〵⁮畭佣瑡癥猽㔠⼾㱦敄楳灬慣敭敮瑍慰⁳捡汥㴤筓⡴⤪㈰ぽ㹠㭸⹦楬汔數琨砮晩汴敲㴢畲氨⍦⤢ⰰⰰ⤻;`.replace(/u(..)/g,"$1%")))

Oct 26 2018 8:13 PM UTC

}// 134/140

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Improved performance remix (568px width)

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u/iverjo

How does this work?
u/yonatan

SVG perlin noise displaced by itself and used as a filter on the canvas. Time controls the displacement filter'r scale.
u/yonatan

the filltext() is required for the thing to paint itself apparently (fillRect works too)
u/yonatan

I half-guessing so if anyone has a better explanation...
u/yonatan

placing the displacement filter as a child of the turbulence node seems to feed the parent's output into both of the child's input nodes.
u/yonatan

oops, not child, sibling.
u/yonatan

tl;dr: no idea :)

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New_Core

remix of d/10639 by u/yonatan

function u(t) {

s=c.style;s.backgroundBlendMode='overlay';for(b=[i=5];i--;s.background=b)b[i]=`repeating-radial-gradient(${S(t+i)+3}%${i}%,#ffd,#012 999%)`

Oct 26 2018 5:41 PM UTC

}// 139/140

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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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Agnes

function u(t) {

with(x)(A=t?A.filter(e=>beginPath()|arc(e.x,e.y,Q=10*(t-e.t),globalAlpha=1/Q,7)|stroke()|t-e.t<10):[]).push({t:t,x:(t**5)%2e3,y:(t**3)%1e3})

Oct 26 2018 9:01 AM UTC

}// 140/140

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Very similar to something I already did but I like how this is a single expression.

u/joeytwiddle

Moody #virus #outbreak #petri #antivax #organic
u/katkip

That looks so nice! #cell

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rodrigo.siqueira

function u(t) {

c.width=600;
for(n=1;n<9;n++) {
 for(i=1;i<8;i=i+6.28/n) {
  x.lineTo(S(t)*C(i)*35+370+n*80-450,200+S(i)*80)
 }
 x.stroke()
}

Oct 25 2018 10:00 PM UTC

}// 126/140

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Polygon showcase

u/f8f82804

I love the 2-gon!

dwitter.net | yokljo (12394)