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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katkip

function u(t) {

c.style.filter=`invert(6969)`,x.fillStyle=R(-420,6969,6969),x.fillRect(-69,t*1337,2*1337,69)

Jun 14 2020 5:23 PM UTC

}// 92/140

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#redchallenge

u/katkip

stupid code

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Qwitter

remix of d/21375 by u/Qwitter

function u(t) {

eval(unescape(escape`𨴮𭵩𩅴𪄽𝄸𞵦𫵲𚅩🔱𜤹𝤻𪔭𛔻𮄮𩥩𫅬𤥥𨵴𚅘𛅙𛄱𛄱𚔩𚅘🕩𙔴𞄬𦔽𚅩𛕘𚔯𝄸𛅍🕙𚥘𛵴𚴶𜄪𤴨𦄯𞄫𜴪𭄩𛅺🕍𨕴𪄮𪅹𬅯𭄨𦄭𭄥𜔹𚤵𚴱𜄬𦔭𜔳𚴶𛤵𚥓𚄳𛤸𚥴𚔩𛅕🔲𝔵𛵺𚤪𛤵𛅸𛥦𪕬𫅓𭅹𫅥🕒𚅕𛄲𚥍𚵕𛅍𚴮𜔪𥔪𠴨𮤭𜔲𚥴𚔪𮤪𚤮𝤩𚔊`.replace(/u../g,'')))

Jan 22 2021 5:56 PM UTC

}// 138/140

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Tunneler

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DazeWare

function u(t) {

c.style.filter="blur(2vh)contrast(9)"
c.width=1920
for(i=0;i<99;i++){
x.fillStyle=R(i)
x.fillRect(960+t*S(t*i/2)*i,540+t*C(t*i/2)*i,50,50)}

Oct 1 2022 12:51 AM UTC

}// 139/140

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taupelink

remix of d/15218 by u/taupelink

function u(t) {

for(i=z=1e3,d=e=0;i--;)x.fillRect(960+(q=d*z)*C(p=e*6.28),540+q*S(p),d>.1,1),d=((r=Math.random()*4|0)-1+d)/2,e=("2110"[r]-1+e-(z/d)|(z/e))/2

Aug 5 2020 12:38 PM UTC

}// 140/140

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Got a glimpse of a Sierpinski triangle wrapped around a cylinder...work in progress maybe

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KilledByAPixel

function u(t) {

with(x)beginPath(fillStyle=t?'#08f':(scale(9,9),'#f22')),arc(X=99+6*!t,160-X,46,0,7),rect(X-25,185-X,50,-50),fill(lineTo(80,80)),stroke()

May 20 2020 12:49 PM UTC

}// 137/140

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Circle Minus Square

u/KilledByAPixel

I programmed this dweet in my dream last night :)
u/sigveseb

Cool style
u/KilledByAPixel

its kind of crazy how simple this turned out after working on it for about an hour and sleeping on it

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firegodjr

function u(t) {

for(i=95;X=9*i--;x.fillRect((X+50-a*50)/(1-a*.1),99+Y+((Y-270)/160)*(S(X/277)*50),9,9))Y=540*(t%1),a=S(Y/160),x.fillStyle=R(0,X/4^t*300%256)

Sep 21 2021 3:29 PM UTC

}// 140/140

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pavel

function u(t) {

f=(x,y,n=0)=>x<2?f(x*x-y*y,2*T(2*x*y)-.5,n+1):C(n/4)/2-.5
for(i=5e4;i--;x.fillRect(X=u&2047,u>>11,f(X/960-1,u/2e6-.56),1))u=-~u

Apr 7 2022 11:41 PM UTC

}// 127/140

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https://twitter.com/ntsutae/status/151218131…

Show more comments…
u/pavel

Cool function from u/ntsutae, but mostly tinkering with the rendering logic so its quick and short. Takes about a second.
u/pavel

Renders f on -1<=x<=1 and -9/16<=y<=9/16
u/pavel

Expects 0<=f(x,y)<=1 in that range
u/pavel

...or alternatively -1<=f(x,y)<=0 in that range too as my code is doing...
u/pavel

i can be initialized to whatever you want, it is a pure speed vs lag tradeoff
u/taupelink

wow!
u/ntsutae

👍👍
u/danny@hille.dk

NICE! - Interestingly this code f=(X,Y,n=98)=>Y*Y>n?n:f(4*X*Y-.5,Y*Y-X*X,n+1.2) from d/19821 produces an image with many similarities with this.
u/danny@hille.dk

DANG this is speedy! - you can crank out some fractals in no time :-) f=(X,Y,n=1)=>X*X>n?n:f(4*X*Y-.5,Y*Y-X*X,n+1.2) for(i=5e4;t<1&&i--;x.fillRect(X=u&2047,u>>11,19/f(X/960-1,u/2e6-.56),1))u=-~u

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Xen

function u(t) {

x.strokeRect(0,0,(t*=t*t)%1921,t%1083)
x.strokeStyle="#"+(t/9|0)

Jul 9 2023 8:47 PM UTC

}// 64/140

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Smol Art

u/NoName

at first i thought it was just a growing fractal, but its way cooler than that
u/NoName

#waitforit
u/Xen

thank you

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nick

function u(t) {

w=20;r=4;e=95;for(j=1;j<e;j++)for(i=1;i<e;i++){s=.5*C(9*t)+1;a=i*s/e;x.fillRect(w*i,w*j,w,w);i<C(t)*70?b=r*i:b=j*i;x.fillStyle=R(b,r*j,e*a)}

Mar 10 2017 12:32 AM UTC

}// 140/140

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http://nickpisca.com/sherpa/?p=600

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katkip

function u(t) {

q=2;r=Math.random;t||(v=0,V=0,X=960,Y=540);X+=v*q,Y+=V*q;v+=r()-.5,V+=r()-.5;x.fillRect(X,Y,9,9);if(t%2<.1)X=960,Y=540,v=0,V=0

Jan 31 2019 4:25 PM UTC

}// 126/140

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Random walker velocity version. Looks like glass breaking