Random dweets | Dwitter

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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BOOSH

remix of d/15514 by u/pavel

function u(t) {

with(x)for(c.width|=i=2,translate(960,540);i--;fillRect(-2e3,-2,4e3,4))rotate(q=Math.PI/22),beginPath(fill(arc(S(t+i*q)*500,0,50,0,2)))

Aug 25 2019 12:08 PM UTC

}// 135/140

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u/katkip

fail

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MudkipGuy

function u(t) {

eval(unescape(escape`景爨爽䵡瑨⹲慮摯洬樽〻樫⬼㤹㬩筦潲⡡㴳⩲⠩Ɫ㴲⩲⠩Ⱪ㵣㵤㴰Ɒ㴱㔻椼瀦♣⩣㰴㭩⬫⥥㵣Ᵽ㵣⩣ⵤ⩤⭡ⴲⱤ㴲⩤⩥⭢ⴱ㭸⹦楬汓瑹汥㴢桳氨∫椪瀫∬㔰┬㔰┩∬砮晩汬剥捴⠶㐰⩡ⰵ㐰⩢ⱰⱰ⥽`.replace(/u(..)/g,"$1%")))

Oct 24 2018 10:26 AM UTC

}// 134/140

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Mandelbrot Set

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u/MudkipGuy

uncompressed source:
u/MudkipGuy

for(r=Math.random,j=0;j++<99;){for(a=3*r(),b=2*r(),i=c=d=0,p=15;i<p&&c*c<4;i++)e=c,c=c*c-d*d+a-2,d=2*d*e+b-1;x.fillStyle="hsl("+i*p+",50%,50%)",x.fillRect(640*a,540*b,p,p)}
u/yonatan

for(j=99;j--;x.fillStyle=hsl(${i*9} 50%50%,x.fillRect(640*a,540*b,9,9))for(b=(z=j*t)**3%2,a=z**5%3,i=c=d=0;i<15&c*c<4;i++)e=c,c=c*c-d*d+a-2,d=2*d*e+b-1
u/yonatan

Nice one!
u/katkip

#mandelbrot #fractal
u/magna

#waitforit
u/joeytwiddle

Novel!
u/iverjo

Nice! Now make the rectangles progressively smaller, so that the image becomes more and more detailed over time
u/MudkipGuy

heh! I was already playing around with that... for(r=Math.random,j=99;j--;){for(a=3*r(),b=2*r(),i=c=d=0;i<30&&c*c<4;i++)e=c,c=c*c-d*d+a-2,d=2*d*e+b-1;x.fillStyle="hsl("+i*8+",50%,50%)",x.fillRect(640*a,540*b,p=30/t**.5,p)}
u/katkip

Awesome!

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rodrigo.siqueira

remix of d/28286 by u/UEZ

function u(t) {

for(c.width=X=177;X--;)for(Y=-1;Y++<99;x.fillRect(X+1,Y,h/d/4,1))for(d=0;d-->-99&!((h=2**15+(d*(X-99)*4+4e3*t&d*(70-Y)*4+2e4)>>9)&8);)0

Aug 14 2023 1:56 PM UTC

}// 135/140

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Dark fog city, drone view #perspective #city

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rodrigo.siqueira

remix of d/21061 by u/rodrigo.siqueira

function u(t) {

for(c.width|=i=q=r=s=1;i<400;x.lineTo(960+40*q+K,540+59*r+S(K/20+t*5+q/9)*200),i+=.1)r+=q*(K=60-s)/800,s+=q*r/6-s/25,q+=r-q/6;x.stroke()

Dec 26 2020 12:25 AM UTC

}// 136/140

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Waves of Lorenz Attractor #lorenz

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New_Core

function u(t) {

a=t*60
if(a<2e3){
for(b=1080;b--;){
A=a/400-3,B=b/400-1.4
d=A,e=B
for(i=20;i--;)D=d*d-e*e+A,E=2*d*e+B,d=D,e=E,d*e>5?x.fillRect(a,b,1,1):0
}}

Jul 9 2017 7:52 PM UTC

}// 140/140

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u/donbright

i ran this on firefox and i swear some of the little gray pixels are twinkling like little stars. it looks really cool in full screen too.
u/cantelope

amazing
u/New_Core

#fractal

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ArthurThuczsec

remix of d/26059 by u/junov

function u(t) {

x.fillStyle=`hsl(${t}rad 99%70%`
c.onmousemove=e=>e.buttons&&x.fill(x.arc(e.x/.3,e.y/.3,99,0,7))
x.beginPath(x.drawImage(c,-9,-5,1938,1090))

Aug 30 2022 3:27 PM UTC

}// 140/140

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slight golf

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katkip

function u(t) {

eval(unescape(escape`挮睩摴株㴱㭰㴨挬堩㴾筸⹦楬汓瑹汥㵣ⱸ⹢敧楮偡瑨⠩ⱸ⹥汬楰獥⠹㘰ⱘⰴ㤹ⰹ㤬〬〬㜩ⱸ⹦楬氨⥽㭰⠧⍦愰✬㤹㤩㭰⠧扬略✬㜹⤻砮晩汬却祬攽刨⤻砮晩汬剥捴⠸㐰ⰷ㤫⡴⩴⨹㤹⤥㜰〬㈵〬㈵〩;`.replace(/u(..)/g,"$1%")))

Dec 10 2018 2:31 PM UTC

}// 135/140

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I tried. #portal

u/Xen

YEA BOI!

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Xen

function u(t) {

t?x.drawImage(c,C(t),S(t*2)*6):c.width=99,x.fillText('Welcome To Dwitter',1,29),x.fillStyle=`hsl(${t*199},99%,50%)`

Dec 26 2017 9:13 PM UTC

}// 115/140

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u/lionleaf

Welcome to all the new people from /r/programmer, hackernews and twitter! :D
u/Xen

fresh blood lol! welcome to the jungle, take a look around ;-)
u/sigveseb

oh god the colors:P and welcome to all
u/j0bit

o.O what the heck is going on in this syntax?
u/iverjo

@j0bit: Search for "JS Template Literals" and "JS Ternary Operator" on the internet
u/j0bit

Cool, appreciate it.

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prplz

remix of d/8125 by u/prplz

function u(t) {

z=Math.random;x.font='7em x';for(i=22;i--;x.fillText('◢◣◤◥'[z()*4|0],z()*2e3,z()*1e3))x.fillStyle=R(S(t/2)*55+133,0,199)

May 18 2018 8:36 AM UTC

}// 120/140

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#purple

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Blane

function u(t) {

t==0?f=0:f++;"àøü?þþcÿÁçÁçÿÿÿ>@`0à".charCodeAt(~~t)>>(f%60)&1?x.fillRect((~~t-~~(t%2))/2*67,f%60*67+~~t%2*536,67,67):t;

Mar 5 2018 10:18 PM UTC

}// 131/140

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u/joeytwiddle

#yinyang