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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KilledByAPixel

remix of d/14456 by u/KilledByAPixel

function u(t) {

for(c.width|=j=16;j--;)for(i=500;i--;)x.fillRect(293+j%4*450+99*C(i*(j/3+1|0)+t/3)*S(i+t),160+(j>>2)*250+99*C(i*(j%3+1)+t/5)*C(i+t/2),9,9)

Jul 31 2025 5:11 PM UTC

}// 138/140

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Strange Loops ➰

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donbright

remix of d/2298 by u/keithclark

function u(t) {

for(a=c.width^=0;d=C(--a+t)*S(b=a/t/t),e=T(a+t)*S(b);x.fillRect(d*h+960,C(b)*h+540,i=h/40-5,i))h=900/(2-e),x.fillStyle=R(a,h/a,(h/b)%256);

Mar 26 2017 1:25 AM UTC

}// 139/140

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this dweet is dedicated to Lynda Obst, a producer of Interstellar

u/tapgiles

Would love to see a slowed-down version of this...
u/donbright

unfortunately i dont understand it enough to make an easy slowdown! divding t by a number is not enough

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Xen

function u(t) {

for(i=9;i--;x.clearRect(z,400,40,200))x.fillRect(z=400+i*99+S(t)*300,z,50*T(t),910*T(t),x.fillStyle="#"+t*i|0);

Feb 21 2023 7:43 PM UTC

}// 111/140

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#default #Thinking

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magna

remix of d/1323 by u/magna

function u(t) {

e=1e3;(i=new Image).src=c.toDataURL('image/jpeg').replace(eval(`/(.{${t%e+e}})./`),'$1');x.filter='sepia(.02)';x.drawImage(i,0,0,1920,1100);

Mar 1 2017 4:00 AM UTC

}// 140/140

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Candy Falls - Requires Chrome

u/magna

Starting off with a blank canvas, I introduce some artifacts by damaging the JPEG export. And then the rest comes through an interesting interplay of JPEG artifacts and sepia filter artifacts, and stretching the image while pasting it back.
u/magna

Seems to be broken on latest version on Chrome.

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Daithi

function u(t) {

eval(unescape(escape`󨼮󭽩󩍴󪍼󟜰󞽸󛭦󪝬󫍒󩝣󭌨󜌬󜌬󜭥󜼬󜭥󜼩󞽦󫽲󚍩󟜱󩜴󞽩󛜭󞼩󮽬󟝩󚽴󞽸󛭦󪝬󫍓󭍹󫍥󟝠󪍳󫌨󙍻󝜰󛝓󚍬󚜪󝌰󯜬󞜰󙜬󝜰󙜩󨌻󬬽󠼨󫌩󟬰󟼰󞬮󜬻󤼨󫌩󟭲󙬦󮌮󩭩󫍬󤭥󨽴󚍓󚍩󚜪󜬵󜌫󤼨󫌩󚭓󚍩󚭩󚜪󝜰󜌫󜝥󜼬󠼨󪜩󚬲󝜰󚽓󚍬󚜪󠼨󪜪󪜩󚬵󜌰󚼵󝌰󛌹󛌹󚝽`.replace(/u../g,'')))

Sep 2 2025 8:00 AM UTC

}// 140/140

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Black hole eating its companion

u/cantelope

#ouroboros

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katkip

function u(t) {

r=Math.random;x.font='18cm"',x.fillText("△",660,790);for(j=99;j--;)q=r()*1980,x.fillRect(q<820?q:260+q,q<820?580:580+q/7*(r()-.5),7,7)

May 10 2019 1:28 PM UTC

}// 134/140

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I tried. Best on firefox #prism #pinkfloyd

u/KilledByAPixel

That's cool! I like that your approach.
u/katkip

On chrome, the triangle is not centered.

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Tekmap

remix of d/5160 by u/Xen

function u(t) {

for(c.width=i=500;i--;x.lineTo(i,99+20.5*S(T(.04*i+t))+9*C(i/9)));x.stroke()

Jun 5 2021 1:23 PM UTC

}// 76/140

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var w.Tangent fn

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magna

remix of d/28417 by u/rodrigo.siqueira

function u(t) {

eval(unescape(escape`󩭯󬬨󨜽󨬽󜌬󪜽󝍥󝌻󪜭󛜻󨜫󟜮󝌪󚍲󛝡󚽢󚭃󚍡󚬲󚜩󛍢󚼽󚌭󨜪󨬫󠼨󨜪󜼩󚜯󜼩󪜥󝬦󙬨󬬽󪜪󭌯󨬦󜜬󮌮󩭩󫍬󤭥󨽴󚍡󚬲󩜳󛌱󩜳󛝢󚬱󩜳󛌮󜬬󭌼󜬩󚜻󮌮󩭯󫭴󟜧󝝥󫜢󙼻󩜽󚍘󛍙󚜽󟭸󛭦󪝬󫍔󩝸󭌨󙽜󭝄󞌳󡍜󭝄󠼴󜌧󛍘󚬹󞜬󦜪󞌹󚜻󩜨󝼬󜼩󞽥󚌸󛌸󚜻󩜨󜜵󛌸󚜻`.replace(/u../g,'')))

Sep 10 2023 5:30 AM UTC

}// 140/140

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Show more comments…
u/rodrigo.siqueira

I knew they were alive! Thanks, this is cute.
u/384.cz

throw(_=(![]+[])[!+[]+!+[]])+(({}+[])[[+!+[]]+[]])+_
u/Joachim

Hahaha great
u/vain

hihi... how cute... they look like dear moles (I really have a big grin on my face here) ♥
u/jdspugh

:D
u/deobfuscate

#monster
u/tomxor

Genius :P

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danny@hille.dk

remix of d/21861 by u/Xen

function u(t) {

t?i=2e3:c.width=w=56
for(;i--;x.fillRect(X,Y,1,1))x.fillStyle=R(m=S((Y=i/w)-t*33&(X=i%w)),k=m*255,k)

Mar 8 2021 5:25 PM UTC

}// 100/140

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keep alive remix :-)

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iznax

function u(t) {

for(x.font='7em John_3_16',w=894,q=t/9,j=3;--j;)for(i=7;i;x.fillText(--i?"📀":"(dvds)",i?w+C(i*q+p)*w:840,i?600+S(i*3+p)*w*.5:600))p=t*3+j*.1

Jan 31 2020 5:12 AM UTC

}// 140/140

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To DVD Or Knot To Be