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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Zolden

function u(t) {

c.width|=0;for(k=0;k++<1999;){j=k%20;q=j*j;
i=k/20;p=255-q*j/30;x.fillStyle=R(p,p,p,1);x.fillRect((q+75)*i-q*(t+8)*3,q*2,q/2,j*40)}

Jan 2 2018 11:29 PM UTC

}// 131/140

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JoshiRaez

function u(t) {

w=c.width|=0
x.font="200px G"
x.p=x.fillRect
for(i=8;i--;){x.p((240*i+t*500)%w,690,100,10)
x.p(0,540+300*i,w,10)}x.fillText('🚗',900,600)

Dec 30 2017 1:26 AM UTC

}// 137/140

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Nixotica

function u(t) {

w=c.width=1920;h=c.height=1080;for(i=50;i!=0;i--)x.fillRect((w-20)/2+(w-20)/2*S(t-i),20*i,20,20);

Dec 22 2018 2:32 AM UTC

}// 97/140

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First time using this language and Dwitter. Figured this out after 2 hours of messing around.

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rodrigo.siqueira

remix of d/32803 by u/mrncstt

function u(t) {

x.fillRect(x.globalAlpha=.15,p=S(frame),2e3,2e3)
b=(1-p)**20
for(i=9;i--;b*=i/(p*2-1))x.clearRect(i*50+b+760+S(t)*90,500-b*2,20+b,b*4+99)

Nov 22 2024 10:20 PM UTC

}// 137/140

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Flash #default

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tjl

function u(t) {

x.globalAlpha=0.5;x.fillStyle='pink';x.fillText(x.filter='blur(2px)saturate(130%)hue-rotate(14deg)contrast(95%)',1e3,9);x.drawImage(c,0,0);

Dec 29 2017 9:05 PM UTC

}// 139/140

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N.B. Results vary between browsers. Works on Linux Chrome and Firefox but a little differently

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Xen

remix of d/8864 by u/nwahfetcher

function u(t) {

x.strokeStyle=R(n=99,50+C(t)*n,T(t)*n*C(t),.02)
for(x.beginPath(i=9);i--;x.arc(S(t)*n+950+T(i),S(t/2)*n+500,2*t*i%699,t,-t));x.stroke()

Jul 15 2018 6:27 PM UTC

}// 135/140

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takes a few seconds

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iverjo

function u(t) {

c.width=384;for(i=20;i--;)for(j=9;j--;)if(!i||(i^j)%2){x.fillStyle=R(a=i?0:240),x.fillRect(i*20+j%2*4*S(t)-25+9*S(j),j*20,i?20:420,i?20:2)}

Mar 2 2017 6:29 PM UTC

}// 139/140

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Optical illusion thingy. It's supposed to look like the red lines are not really straight and parallel. #bartjs

u/sfz

it works, trippy!
u/iverjo

Fun fact: This was actually the first idea I ever had for a dweet, back in december 2015 when sigve made https://github.com/sigvef/arktis-tweet-demo/
u/donbright

great illusion
u/SpecialAgent

Expecting a gorilla and some barrels to come hurtling down. Love it.
u/iverjo

#opticalillusion

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tem

function u(t) {

for(i=2e3;i--;x.fillRect(i,t*60,1,2))x.fillStyle=`hsl(${C(i*(i/99-S(t/2)/9))*99},69%,69%)`

Aug 6 2024 4:37 PM UTC

}// 90/140

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I tried to render a circle,but got this texture instead

u/Joachim

Nice work! Have a look at this if you want a circle. Change M to change the render speed --> for(i=2e3;i--;x.fillRect(i,t*M,1,M))M=600,A=i-960,B=t*M-540,x.fillStyle=hsl(${S((A*A+B*B)/9999)*99},69%,69%)

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KilledByAPixel

remix of d/24776 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󩭯󬬨󨼮󭽩󩍴󪌽󥌽󜬵󝬬󪬽󝬻󪬭󛜻󚝦󫽲󚍩󟜳󝽥󜼬󮬽󭌯󝌫󪬪󞜹󛬲󯌰󞽩󛜭󞽪󟼨󪜥󥌭󮬪󚬵󙝔󚜪󚬲󟌲󩜳󙬦󚍩󛽔󛝺󚬪󝬮󝼥󜜵󜼩󚬪󜬼󜭥󜼿󭝛󪝝󟝃󚍺󚜪󝭥󝬦󜬪󚬨󞌪󡬨󛝔󚜫󝌪󡬨󥌩󚼲󚭆󚌭󜜩󚽆󚌱󚜩󞬰󞭸󛭦󪝬󫍒󩝣󭌨󪜥󥌬󪜾󟬸󛌱󛍆󚌰󚜩󚝆󟝆󟜾󘜡󭝛󪜫󡭝`.replace(/u../g,'')))

Apr 23 2023 6:22 AM UTC

}// 140/140

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Automaton Mashup 🦠 (FLASHING WARNING)

Show more comments…
u/cantelope

ima just start education everyone, the photosensitivity thing is EXCEEDINGLY RARE AND ONLY IN PEOPLE AFFLICTED BY EPILEPSY, AND TYPICALLY INVOLVES HIGH-CONTRAST FLASHING AT AROUND 3Hz (3 cycles per second). NOT JUST RANDOM BLINKING PIXELS OR COLORS. thank you
u/cantelope

yes extreme, mass paranoia bothers me
u/neimad

About 1.2% of people have epilepsy. So if there are 100 visitors to this site, at least 1 of them could be affected. I think it's worth having a disclaimer as 1.2 out of 100 isn't an infinitesimally small number. If 1000 people visit dwitter, 10 of them may be affected and that's not nothing. It's not paranoia, it's empathy.
u/Joachim

Very cool dweet
u/Xen

love it!, i'm thinking click to play flag if this is deemed problematic?
u/tomxor

Nice, reminds me of those silly movie scenes where they try to illustrate automation by spawning a bunch of GUI windows... except with cellular automata :D
u/andrea270872

Very demo-like! Cool.
u/andrea270872

About the epilepsy, perhaps there could be an option that a dweet can start "frozen" or "running". It would help me as well, because on some mobile devices, a script sometimes blocks my browser... just saying ;)

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Xen

remix of d/26927 by u/magna

function u(t) {

eval(unescape(escape`𩰽𚁯𛁢𚐽🡯🱛𛠮𛡢🰢𜰰𜐲𜠱𜐲𜐰𜰳𜀳𜠢𞠢𜀱𜠱𜐲𜰰𜰳𜀰𜰲𜐢𧐮𫑡𬀨𨰽🡣𙠱🱔𚰽𨰭𜠺𩰨𫰭𜐬𨰦𜠩𚐺𮀮𫁩𫡥𥁯𚁘𚰽𝐪𠰨𨐽𥀯𛠹𝐵𚐬𦐫🐵𚡓𚁡𚐩𒡸𛡭𫱶𩑔𫰨𨰮𭱩𩁴𪀽𦀽𩡲𨑭𩐥𞀰𜀬𩰨𦐽𥀽𝐩𚐊𮀮𬱴𬡯𪱥𚀩`.replace(/u../g,'')))

Jan 25 2023 7:28 PM UTC

}// 128/140

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Golf and play

u/magna

Love it!