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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.

Theme challenge of the month: #time

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taupelink

remix of d/23098 by u/taupelink

function u(t) {

r=997*t;e=r*r%288-32;X=e*r%9;Y=X*r%5;x.fillStyle=R(e/(a=1+S(Y*.8+t%2*X)*S(t)),e*a,e**a,a/t);x.fillRect(X*250,Y*250,-5*e*.8**t,-5e4/e*.9**t)

Jun 21 2021 9:38 PM UTC

}// 139/140

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d/23169

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KilledByAPixel

remix of d/23167 by u/KilledByAPixel

function u(t) {

c.before([...'  🏃🚶🧍🌲🌳🌴🌼🌻👭👫👬🧎🐒🦍🦧🐅🐆🦌🐂🐃🐏🐑🐐🐪🐫🦙🐘🦏🦛🐁🐀🐇🐿️🦔🦇🦘🦡🦃🐦🐧🦅🦆🦢🦩🦚🦜🐊🐢🦎💃🕺🕴️'][Math.random()**49*56|0])
s=document.body.style
s.background='#8C6'

Jun 21 2021 6:59 PM UTC

}// 139/140

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Exotic Animal Petting Zoo

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KilledByAPixel

remix of d/21816 by u/KilledByAPixel

function u(t) {

c.before([...'  .·:⡀⠄⠂⠁⡁⡈⠊⢂•°*✦★✶✷✴✹✧✰✮✬✯✰✵✯⭐🌟✨🌠🌌🚀🌑🌕🪐🌙🌎🛸'][Math.random()**42*42|0])
s=document.body.style
s.background=R(s.color='#fff')

Jun 21 2021 5:43 PM UTC

}// 136/140

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Space Time 🔭 #starfield #time #dweetwars

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sodamast@hotmail.com

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(600+i*100+S(t)*10000,400,30,400) // draw 70x200 rects

Jun 21 2021 4:46 PM UTC

}// 114/140

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sodamast@hotmail.com

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(600+i*100+S(t)*10000,400,30,400) // draw 70x200 rects

Jun 21 2021 4:46 PM UTC

}// 114/140

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u/Xen

welcome to the dwitter family!

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rodrigo.siqueira

remix of d/23143 by u/rodrigo.siqueira

function u(t) {

for(a=b=i=1e4*(t<8);i--;x.fillRect(999*a,999*b,.2,1))
S(r=i*t)>0?(a=C(i/5118)):b=C(a)+(a+=S(b+S(b))*.9+C(a*2))/9,x.fillStyle=R(i/59)

Jun 21 2021 2:27 PM UTC

}// 132/140

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#Neural cell

u/tomxor

Very dendritic

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KilledByAPixel

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍤󬭡󭽉󫝡󩽥󚍣󛌭󞌬󜌩󛍳󨝶󩜨󬭥󬽴󫽲󩜨󚜩󛍤󬭡󭽉󫝡󩽥󚍣󛌲󝜶󛌰󚜬󪜽󭌿󝜺󝝥󜼻󪜭󛜻󭌿󨝲󨼨󞌶󜌬󝜸󝬬󝜰󜌬󨜽󪜯󛬳󞜸󛜱󛬵󝼬󨜩󞭦󪝬󫍒󩝣󭌨󪜥󜼲󚬸󛌨󪜾󟬵󚜪󞌬󞌬󞌩󚝦󪝬󫍓󭍹󫍥󟝠󪍳󫌨󙍻󪜪󪝽󘌹󞜥󙍻󤼨󪜪󚬵󚜪󞜹󯜥󨌊󮌮󨽬󪝰󚌩`.replace(/u../g,'')))

Jun 21 2021 1:53 PM UTC

}// 139/140

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Autostereogram ⭐

Show more comments…
u/lionleaf

That is so cool! Took me a second, but the star really pops!
u/rodrigo.siqueira

Wow I can see a ⭐
u/tomxor

Haha, nice star
u/magna

Yay! Not that it would greatly help bring it down to 140, but: (i>>5)*8 could be i>>5<<3 or even i>>2&-4
u/magna

I want to try rendering in one pass, like a shader, picking the right colour based on a bump map (either procedural, or maybe from a suitable emoji).
u/magna

I had this failed attempt back in 2018: for(i=3e4;i--;x.fillRect((C=i%213)*9,(T=i/213|0)*9,9,9))x.fillStyle=R((C%21+1)**T%255,T**(C%21+1)%255) for(i=9;i--;)x.drawImage(c,X=400+i*100,400,50,200,X-9,400,50,200)
u/KilledByAPixel

still trying to figure out why the other one had artifacts and this one seems not to, maybe something to do with randomizing the background you mentioned

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ak97

function u(t) {

c.width|=r=999
for(i=r;i--;){Y=r-(25*i)
W=(12*(r+Y)**.2)
x.fillStyle=R(255,220,0*(M=t+955*i))
x.fillRect(999+r*S(1.5*M),Y,W,99)}

Jun 21 2021 8:54 AM UTC

}// 128/140

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freshly squeezed sunbeam

u/tomxor

Welcome to dwitter :)
u/Xen

nice!

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SquirrelIO

function u(t) {

c.width|=i=3
for(x.font="2cm'";i--;){
a=(n=(new Date).toString().split(/[ :]/)[4+i])*3.14/(i?30:12)
x.fillText(n,960+300*S(a),540-300*C(a))}

Jun 21 2021 4:21 AM UTC

}// 140/140

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What #time is it?

u/davidsover

Nice!
u/Xen

welcome to the dwitter family!

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Irratix

function u(t) {

eval(unescape(escape`󩌽󫭥󭼠󡍡󭍥󚌩󒭣󛭷󪝤󭍨󯌽󩬽󚍡󟜰󛍢󟜰󚜽󟭸󛭬󪝮󩝔󫼨󞜶󜌫󨜪󤼨󨬩󛌵󝌰󛝡󚭃󚍢󚜩󒭸󛭬󪝮󩝗󪝤󭍨󟜴󒭦󚍸󛭡󬭣󚌹󝬰󛌵󝌰󛌵󜌰󛍤󙜶󩜴󛼹󝜵󝌭󜜮󝜷󛌹󞜩󚜊󩬨󝍥󜬬󫜽󩌥󜼶󩜵󛼵󝼳󩜳󚜊󩬨󜽥󜬬󚍭󚽤󛭧󩝴󢍯󭝲󬼨󩬨󚜩󚬶󛬳󚜯󜜲󚜊󮌮󬽴󬭯󪽥󚌩`.replace(/u../g,'')))

Jun 21 2021 2:19 AM UTC

}// 137/140

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I heard the theme was #time ? Simple clock

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