Dwitter - javascript demos in 140 characters

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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Pascal

remix of d/21723 by u/danny@hille.dk

function u(t) {

for(x.fillRect(0,0,2e3,2e3),i=w=400;i>-400;i--,x.clearRect(960+960*C(t*.7-i/w)*i/w,540+540*S(t*.7+i/w)*C(t+i/w)*i/w,9,9))x.globalAlpha=.1

Feb 20 2021 11:27 PM UTC

}// 137/140

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Pascal

remix of d/21705 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𮁛𩠽𙱦𪑬𫁒𩑣𭀧𧐨𜀬𜀬𨰮𭱩𩁴𪀽𜐸𜀬𪐽𫀽𜐵𜰰𚐻𪐭𛐻𮁛𩡝𚁘𚠶𛁙𚠶𛀶𚱋𛀶𚐩𦀽𪐥𜰰𛁙🐨𪐭𦀩𛰳𜀬𠐽𦀫𞀪𠰨𭀪𜠭𦐯𞀰𚐬𢰽𘐡𚁁𛰱𞀭𜐶𛰱𞁼𦐯𝀭𜐰𛰵𯁁𚰲𙠲𚐯𜠬𮀮𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀲𜐰𘀵𜀥𙁻𜐸𜀪𢰫𜰪𠰨𦐭𭀪𞀰𚑽𙑠`.replace(/u../g,'')))

Feb 19 2021 3:03 PM UTC

}// 136/140

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interlacing

u/Pascal

just realised that this is progressive and not interlaced
u/magna

#default

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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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Xen

remix of d/21711 by u/Pascal

function u(t) {

for(x.fillRect(i=9,0,2e3,2e3);i--;x.fillRect(510+i*99+C(t**t)*300,440,50,200))x.fillStyle=`hsl(${t**(i+2)},50%,50%,.2)`

Feb 19 2021 7:12 PM UTC

}// 119/140

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Drug #default

u/tomxor

#waitforit
u/Qwitter

funky

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erin

function u(t) {

x.font = "450px Arial";
x.fillText(`👁👁`, 365,600)
x.fillText(`👃`, 650,900)
throw`\n`.repeat(S(9*t)*15+15)

Feb 19 2021 11:14 PM UTC

}// 105/140

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talking man

u/aleamb

lol
u/EliteDaMyth

101 chars - throw x.font="450px Arial",x.fillText("👁👁",365,600),x.fillText("👃",650,900),"\n".repeat(15*S(9*t)+15)
u/erin

does someone want to attempt to give him a tongue/teeth?
u/DataMeta

some quick teeth :) x.font="450px Arial"; x.fillText(👁👁,365,600) x.fillText(👃,650,900) throw'■'.repeat(28)+\n.repeat(S(9*t)*9+9)+'■'.repeat(28)

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rodrigo.siqueira

remix of d/21736 by u/rodrigo.siqueira

function u(t) {

for(x.fillRect(0,0,2e3,2e3),i=w=400;i>-400;i--,x.clearRect(960+i+S(i/50-t)*w,540+350*S(i/40)*C(t/3+S(i/9+t))*S(t+i/99),6,6))x.globalAlpha=.1

Feb 22 2021 12:42 PM UTC

}// 140/140

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Flow of waves

u/EliteDaMyth

eval(unescape(escape𩡯𬠨𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛀲𩐳𛀲𩐳𚐬𪐽𭰽𝀰𜀻𪐾𛐴𜀰𞱩𛐭𛁸𛡣𫁥𨑲𤡥𨱴𚀹𝠰𚱩𚱓𚁩𛰵𜀭𭀩𚡷𛀵𝀰𚰳𝐰𚡓𚁩𛰴𜀩𚡃𚁴𛰳𚱓𚁩𛰹𚱴𚐩𚡓𚁴𚱩𛰹𞐩𛀶𛀶𚐩𮀮𩱬𫱢𨑬𠑬𬁨𨐽𛠱.replace(/u../g,''))) is 113 chars :)
u/EliteDaMyth

oops i f'ed the formatting in the above comment. eval(unescape(escape`𩡯𬠨𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛀲𩐳𛀲𩐳𚐬𪐽𭰽𝀰𜀻𪐾𛐴𜀰𞱩𛐭𛁸𛡣𫁥𨑲𤡥𨱴𚀹𝠰𚱩𚱓𚁩𛰵𜀭𭀩𚡷𛀵𝀰𚰳𝐰𚡓𚁩𛰴𜀩𚡃𚁴𛰳𚱓𚁩𛰹𚱴𚐩𚡓𚁴𚱩𛰹𞐩𛀶𛀶𚐩𮀮𩱬𫱢𨑬𠑬𬁨𨐽𛠱`.replace(/u../g,'')))

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rodrigo.siqueira

remix of d/21670 by u/rodrigo.siqueira

function u(t) {

for(i=5e3;i--;x.fillStyle=`hsl(${99*t+i/999},99%,${30+T(i+t)*99}%,9%)`)x.fillRect(99*(10+8*C(i/2)*C(K=i*t/9)),99*(3*S(i)-S(K)*S(K+t)+5),2,2)

Feb 19 2021 8:24 PM UTC

}// 140/140

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Glass object with soft iridescent color noise

u/UEZ

#flyhead

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bandaloo

remix of d/18708 by u/bandaloo

function u(t) {

c.style.filter="blur(4px)contrast(9";i=(t*60)%240;for(j=135;j--;)x.fillStyle=R(x.fillRect(i*8,j*8,8,8),(i&j)*t/4,j^i)

Feb 21 2021 7:11 AM UTC

}// 117/140

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u/Xen

#waitforit #sierpinski

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tomxor

remix of d/12335 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𮁛𩠽𙱦𪑬𫁒𩑣𭀧𧐨𜀬𜀬𨰮𭱩𩁴𪀽𜐸𜀬𪐽𫀽𜐵𜰰𚐻𪐭𛐻𮁛𩡝𚁘𚠶𛁙𚠶𛀱𚱋𛀵𚐩𦀽𪐥𞐰𛰳𛁙👩𛰹𜀬𡠽𜐫𭀪𭀭𪐯𫀬𠐽𦀫𞀪𤰨善𛰹𚱙𛰹𚐬𢰽𜐭𡠥𜐭𘐨𠐯𜐷𛐱𝠯𜐸𯁙𛰴𛐱𜀯𝑼𠐫𜠦𜠩𛰲𛁸𛡦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𪐪𜐲𜁽𘀹𞐥𙁻𢰪𞐹𯐥𨀻`.replace(/u../g,'')))

Feb 18 2021 2:10 PM UTC

}// 140/140

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#retro #crt #default

u/tomxor

With subpixel anti-aliasing :) ... ok that was an accident... but atand back and look at those cute RGB fringes!

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rodrigo.siqueira

remix of d/21700 by u/Xen

function u(t) {

c.style.filter="blur(1.0vh)contrast(3)"
for(c.width=i=200;i--;x.arc(99,56,52,i*6*(1+S(S(t)/9)/990)+1.4,i))x.strokeStyle="#410";x.stroke()

Feb 18 2021 1:16 PM UTC

}// 137/140

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Baphomet #blood

u/Odog8

invocamus Baphometus depraedandum Angeli .
u/DaSpider

#Klaatu #barada #nikto
u/katkip

i luv it #satan