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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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rodrigo.siqueira

remix of d/21693 by u/rodrigo.siqueira

function u(t) {

c.width|=c.style=`filter:invert(`
for(i=2e3;i--;x.arc(960,540,400,11+4*S(i-C(1.6+S(t)/5+i)),40))x.lineTo(960,540)
x.lineWidth=.05
x.stroke()

Feb 19 2021 2:18 PM UTC

}// 140/140

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Laser light beam from the pyramid #laser

u/Qwitter

Giza beam

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cantelope

function u(t) {

eval(unescape(escape`𩡯𬠨𡰽𣑡𭁨𛡲𨑮𩁯𫐬𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛁗🐸𩐳𛁗𚐬𠠽𭀿𠠺𦱝𛁭🐴𜀻𛐭𫐻𚑂👛𦰹𝠰𚱓𚁰🐲𛠰𞐪𫐫𭀩𚠨𪀽𝐴𜀩𛁨𚱃𚁰𚐪𪀬𜀬𜁝𛀮𛠮𠡝𛡦𪑬𭁥𬠨𚁶𛁩𚐽🡩🁗𚐻𠠮𫑡𬀨𭠽🡸𛡣𫁥𨑲𤡥𨱴𚁶𦰰𧐫👶𦰲𧐫👇𚀩𛐮𝐬𭡛𜑝𚰽𭡛𜱝𚰽𡰨𚐭𛠵𛀹𛀹𚐩`.replace(/u../g,'')))

Aug 7 2022 2:28 AM UTC

}// 140/140

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ak97

function u(t) {

e=function(f){d=eval(`new Date().get${f}s()`);return d<10?'0'+d:d}
x.font='530px i';x.strokeText(e`Hour`+':'+e`Minute`+':'+e`Second`,0,770)

May 24 2022 3:52 PM UTC

}// 139/140

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u/danny@hille.dk

another way -> x.fillStyle='#fff1' x.fillRect(0,0,2e3,2e3) x.font="14cm'";x.strokeText(Date().substr(16,8),0,770)`
u/danny@hille.dk

or nixie style -> x.fillStyle='#00000004',x.fillRect(0,0,2e3,2e3),x.strokeStyle='#0f56',x.font="14cm'";x.strokeText(Date().substr(16,8),0,770)

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rbong

function u(t) {

w=c.width^=0
for(X=w;X--;){x.fillStyle=`hsla(${X/100+t*50},99%,50%)`
x.fillRect(X,0,5,(3-S((X+t*999)*4/w)+C((X+t*55)*3/w))*200)
}

Oct 13 2018 5:47 PM UTC

}// 129/140

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Rainbow Wave

u/rbong

#rainbow #wave
u/joeytwiddle

I saw a sunset over the desert

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f8f82804

remix of d/10805 by u/f8f82804

function u(t) {

c.width=480;for(i=6;i--;x.lineTo(a=240+S(p)*z,b=2*z-150),x.font=z/4+'px a',i&&x.fillText('🔥',a-z/8,b))z=600/(4+C(p=t-2.5133*i));x.stroke()

Nov 1 2018 6:19 PM UTC

}// 138/140

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#perspective #pentagram #witchcraft #iknowitsnovember

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hamptonio

function u(t) {

w=c.width=128;for(i=2;i<w*w;i++){s=i;for(k=0;s>1;k++){s=s%2?3*s+1:s/2};x.fillStyle=`hsl(${k*.9},80%,${k/3}%)`;x.fillRect(i%w,i/w|0,1,1);}

Mar 1 2017 9:38 PM UTC

}// 137/140

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Visualization of Collatz sequences: https://en.wikipedia.org/wiki/Collatz_conjec…

u/taupelink

#collatz
u/taupelink

Dwitter engine may have been updated since this dweet was posted...you can add "if(!t)" at the beginning although that bumps it up past 140 characters...
u/taupelink

#collatz

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SingingGoat

remix of d/1023 by u/SingingGoat

function u(t) {

x.fillStyle=R(300*C(t),300*S(t),200+S(t));x.fillRect(935+400*S(2*t),540+225*C(t),20,200);x.shadowBlur=20;x.shadowColor="#000";σγ

Feb 23 2017 4:22 PM UTC

}// 128/140

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TorusField

function u(t) {

with (x) {fillStyle=R(S(t)*255,C(t)*255,T(t)*255,1)
for(i=0;i<7;i++<7)fillRect(i*300,400,100*S(t),400*C(t*i))}

Apr 30 2022 6:26 PM UTC

}// 110/140

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katkip

function u(t) {

α=Math.PI;for(c.width|=i=3;i--;x.beginPath())x.arc(960+C(α/1.5*i+t*4+C(t*4-i*i/2))*100,540+S(α/1.5*i+t*4+C(t*4-i*i/2))*100,20,0,7),x.fill()

Apr 22 2019 8:47 AM UTC

}// 139/140

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#loading

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BriSeven

remix of d/530 by u/BriSeven

function u(t) {

r=Math.random;for(i=0;i<1024;i++)
x.fillStyle=R((d=(t%220*i/64)|0)%256,d/1.4%256,d/7%256),
x.fillRect((r()*1080&i)-(i/2)+1920/2,i*.9,2,2)

Dec 22 2016 4:08 AM UTC

}// 137/140

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u/iverjo

At first I didn't realise it was multicolor. It gets interesting after 20 seconds, when the green color crawls from the bottom, and other colors follow