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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BackendForth

function u(t) {

for(i=1920;i--;)for(j=0;j<6.3;j+=.9){g=256*C(j+t*2)
x.fillStyle=R(g,g*S(t*2.1),g*S(t*3))
x.fillRect(i,540+S(i/159+t*2+j)*539*S(j-t),1,g/4)}

Jan 31 2018 2:23 PM UTC

}// 139/140

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donbright

remix of d/3697 by u/Citiral

function u(t) {

w=1920;for(c.width=i=w;i-=10;)for(j=w;j-=10;){
d=(i*i+S(3.14*(i/w))*j*j)/frame
o=d%9
x.fillRect(i,j,o,o)}

Jan 2 2018 3:15 AM UTC

}// 105/140

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u/joeytwiddle

I was about to comment "donbright would like this one" but then suddenly ... !
u/magna

Wow!
u/Xen

one of my new fav's, love this!

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Permille

function u(t) {

eval(unescape(escape`󩥯󬤨󮔽󯤨󮤽󪔽󜄩󛅡󟕛󧔬󨴽󦤽󞔶󛅙󟔵󝄻󚴫󪔼󨴻󚕻󩥯󬤨󪴽󪔬󬴽󜄻󪴭󛔻󚕻󒥦󫵲󚅰󟔲󞵾󬄭󛔻󚕦󫵲󚅱󟔴󞵾󬔭󛔻󚕳󚴽󨕛󚅚󚵰󚔪󨴫󬔫󦕝󯄰󞵩󩤨󘕳󯅼󬴦󜔩󮄮󩥩󫅬󤥥󨵴󚅚󚤹󛅙󚤹󛄹󛅡󦵚󚥣󚵙󧔽󞔩󞵚󛔽󮤬󦔫󟕹󯕦󫵲󚄻󘔨󚅺󚴽󮔩󚴨󮔭󟕺󚔩󞴩󘕺󯅼󪔭󛕽`.replace(/uD./g,'')));

Oct 22 2021 12:09 AM UTC

}// 140/140

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Interesting pattern I found

u/Joachim

looks like some sort of #qrcode
u/rep_movsd

Try s&6 ... it looks nice
u/scwaller

intéressant !

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rodrigo.siqueira

remix of d/33198 by u/rodrigo.siqueira

function u(t) {

for(i=4e4;i--;x.fillRect(59.6*X-97,25.3*Y+1090,(f&8*8)/50,t<2))X=i*i/t%35,Y=23*S(i+t)-23,f=(.16/(8*(X-Y/5-2)|(Y*3))*900)

Feb 2 2025 7:43 PM UTC

}// 120/140

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Double #Sierpinski

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rodrigo.siqueira

remix of d/27249 by u/deobfuscate

function u(t) {

x.beginPath()
for(c.width|=i=9;i--;x.stroke())n=150*i,z=S((i+2)*C(t+i))*140+600,x.lineTo(X=370+n+S(t)*300,z),x.fillRect(X-25,z,50,-200)

Mar 24 2023 1:54 PM UTC

}// 135/140

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Reciprocating motion #default

u/deobfuscate

Definitely cool!
u/magna

#physics

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Layl

function u(t) {

p=Math.random;r=p()*1920;s=p()*999;if(!t){m=u=r;l=v=s}u+=(m-u)/20;v+=(l-v)/5;x.lineTo(u,v);if(Math.abs(u-m)<5){m=r;l=s}x.stroke()

Feb 19 2020 1:42 AM UTC

}// 129/140

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Ligne Claire, Trait continu

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jdidion

function u(t) {

for(i=0;i<200;i++){h=Math.random()
x.fillStyle=R(S(t*h)*260,C(t*h)*250,99,.2)
x.fillRect(900+h*S(t*i+h)*1e3,500+h*C(t*i+h)*1e3,S(h)*99,8)
}

May 14 2018 2:23 AM UTC

}// 139/140

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u/Friend

Most mind-blowing one I've seen

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baon

function u(t) {

c.width|=0
for(X=Y=0,p=i=1e3;i--;)
X=C(i+t+S(t))*C(i/p),Y=S(i+t+S(t-C(t)/2))*X,
x.fillRect(960+X*500,540+Y*500,5,5)

Dec 24 2023 4:25 AM UTC

}// 115/140

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inf | eye

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katkip

remix of d/21662 by u/Pascal

function u(t) {

c.style.filter=`invert(`
for(c.width|=0,i=244;i--;x.fill(x.arc((X=i%18)*120,(i-X)*7.5+60,z=80+S(t+i*19+t)*50,3.9+z/7,7+z/7)))x.beginPath()

Feb 13 2021 11:12 AM UTC

}// 138/140

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d/21666

u/joeytwiddle

I see scurrying insects

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smtsjhr

remix of d/19452 by u/smtsjhr

function u(t) {

eval(unescape(escape`𢀽𞐶𜀊𬠽𚁹𛁡𛁢𚐽🡸𛡦𪑬𫁒𩑣𭀨𢀫𮐬𢀭𪐬𨐬𨠩𒡦𫱲𚁣𛡷𪑤𭁨𯀽𪐽𢀻𪠽𪐯𢀻𪐭𛐩𮱦👃𚁴𛰴𚐯𜠻𮀮𩡩𫁬𤱴𮑬𩐽𤠨𜀬𜀬𜀬𛠱𚠨𜐭𪠪𪠩𚐻𬠨𮐽𠰨𭀩𚠨𪐯𞀪𤰨𝐪𪠪𪠩𚱓𚁦𚠵𜀪𪠩𚡈𚡦𚡪𚠪𝀩𛁨🐱𜀫𛠲𚡈𚡪𚠪𝀬𞐩𞱲𚁹𛀹𛁨𚐻𬠨𮐫𪀬𞐬𪀩𯐻`.replace(/u../g,'')))

Jul 19 2020 4:51 AM UTC

}// 140/140

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SOURCE (194/140): H=960;r=(y,a,b)=>x.fillRect(H+y,H-i,a,b);for(c.width|=i=H;j=i/H;i--){f=C(t/4)/2;x.fillStyle=R(0,0,0,.1*(1-j*j));r(y=C(t)*(i/8*S(5*j*j)+S(f*50*j)*H*f*j**4),h=10+.2*H*j**4,9);r(y,9,h);r(y+h,9,h)};

u/Qwitter

Awesome: looks a bit like laminar cigarette smoke to me