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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Georges-Abitbol

function u(t) {

c.width=1920
for(i=0;i<479;i++)
{b=S(i*0.013);for(j=3;j<70*C(3*t)*C(3*t);j+=2)
b+=S(i*0.013*j)/j;x.fillRect(4*i,540+b*300,9,9,0)}

Apr 20 2020 5:02 PM UTC

}// 129/140

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The Gibbs phenomenon

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Georges-Abitbol

function u(t) {

c.width=1920
for(i=0;i<479;i++)
{b=S(i*0.013);for(j=3;j<70*C(3*t)*C(3*t);j+=2)
b+=S(i*0.013*j)/j;x.fillRect(4*i,540+b*300,9,9,0)}

Apr 20 2020 5:01 PM UTC

}// 129/140

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c.width=1920 for(i=0;i<479;i++) {b=S(i*0.013);for(j=3;j<70*C(3*t)*C(3*t);j+=2) b+=S(i*0.013*j)/j;x.fillRect(4*i,540+b*300,9,9,0)}

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Xen

remix of d/18308 by u/Cloud

function u(t) {

p="🤡"
eval(unescape(escape`𮀮𩡯𫡴🐢𜰲𩑭𙰢𛁸𛡦𪑬𫁔𩑸𭀨𬀬𝠰𜀫𠰨𭀪𜰩𚠲𞐬𜐳𜀰𚐊𩡯𬠨𮠽𪐽𞀳𞱩𛐭𞱸𛡦𪑬𫁓𭁹𫁥👒𚁚👩🀱𜱼𯁩🠱𞐿𜀺𮠬𪐼𜐳🰰𞡺𛑩𚱓𚁩𚱴𚐪𞐬𦠬𛠲𚐩𮀮𩡩𫁬𤡥𨱴𚀰𛀱𩐳𛑩𚠱𞐬𜡥𜰬𮠩𞱴𪁲𫱷𘀢𢁩𮑡𘁇𩑯𬡧𪑥𘐢`.replace(/u../g,'')))

Apr 18 2020 2:46 AM UTC

}// 134/140

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🎈

u/katkip

#movie
u/Cloud

Scary )

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katkip

function u(t) {

eval(unescape(escape`𭰽𞐹𞱦🐨𦀬𦐬𬰽𝐰𛁮🐲𞐩🐾𫠿𚁸𛡦𪑬𫁓𭁹𫁥👒𚁮𚠵𛁘𛰶𛁙𛰵𛀲𛱮𚐬𮀮𩡩𫁬𤡥𨱴𚁘𛁙𛁳𛀴𚡳𚐬𩠨𦀫𬰪𠰨𭀫𫠭𦀯𭰫𦐯𭰩𚠴𛁙𛑳𚡓𚁴𚱮𛑘𛱷𛑙𛱷𚐪𝀬𬰯🐱𛠱𛁮𛐱𚐩𞡸𛡦𪑬𫁒𩑣𭀨𦀬𦐬𬰬𝀪𬰩𞱦𫱲𚁩🐹𞱺🐵𜀰𛁩𛐭𞰩𩠨𭀪𭰫𪐪𭰬𮠫𭀪𭰩`.replace(/uD./g,'')))

Apr 18 2020 2:52 PM UTC

}// 140/140

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this was a default...

u/Xen

this is sexy
u/sigveseb

Yes this is niice

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katkip

function u(t) {

eval(unescape(escape`𩠽𮀽🡻𫠽𙰧𞱦𫱲𚁩𘁯𩠠𮀩𫠫👩🐽𙰮𙰿𙰡𛠮𙰺𙰡𛠡𘐮𙰻𬡥𭁵𬡮𘁮𯐻𪑦𚀡𭀩𮱱🐢𘐮𛠢𞱦𫱲𚁫🐵𞱫𛐭𞰩𬐽𩠨𬐩𯐻𭁼𯀨𠐽𦀽𦐽𜀩𞱦𫱲𚁩𘁯𩠠𬐩𠐫🐨𪐽🐧𛠧🰭𜐺𜐩𚠳𛠱𝀱𝐯𜠬𮀮𩡩𫁬𤡥𨱴𚀸𝐰𚰨𦀫👃𚁁𚐩𚠲𛀶𝀰𚰨𦐫👓𚁁𚐩𚠲𛀲𛀲𚐠`.replace(/uD./g,'')));7

Apr 18 2020 2:37 PM UTC

}// 140/140

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katkip

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀽𜑥𜰻𩠽𚁸𛁹𛁮🐱𚐽🡮🱦𚁹𛑴𚡓𚁸𛰶𛑴𚠵𚐬𮀭𭀪𠰨𮐯𝠫𭀪𝐩𛁮𛐱𚐺𚁓𚁸𚐫𤰨𮐩𚐯𝀫𛠵𞱦𫱲𚁪🐶𜰻𪠭𛐻𚑦𫱲𚁩🐱𜐱𞱩𛐭𞰩𮀮𩱬𫱢𨑬𠑬𬁨𨐽𜐭𩠨𪐭𝐵𛁪𛐳𜰩𚠲𛁸𛡦𪑬𫁒𩑣𭀨𪐪𞐬𪠪𞐬𞐬𞐩`.replace(/uD./g,'')))/////////////<3

Apr 18 2020 1:17 PM UTC

}// 140/140

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Stare at it for a nice #trippy effect

u/tomxor

oooh

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pavel

function u(t) {

with(x)for(c.width|=f=i=>C(i/.647)+S(i),i=128;i--;fill(arc(960+f(t*2)*s*3,540+f(t+=.03)*s,s,0,7)))beginPath(fillStyle=R(s=1e4/(79+i),i%3*s))

Apr 18 2020 1:20 AM UTC

}// 140/140

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#snake ?

u/joeytwiddle

Certainly too long for a caterpillar. https://codegolf.dweet.net/a/271
u/pavel

Hah, nice

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veubeke

function u(t) {

c.width^=0
x.font='40em"'
x.transform(1,$=S(t*5)/50,$*3,1,0,0)
for(i=5;i--;)


x.fillText(['🦠','🐟','🦎','🦖','🐓'][i],(5+i*6-t%31+$*6)*400,900)

Apr 17 2020 12:18 PM UTC

}// 140/140

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Dance Dance Evolution

u/veubeke

#dancing

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katkip

remix of d/18323 by u/pavel

function u(t) {

eval(unescape(escape`𩡯𬠨𫁥𭀠𪐽𜐹𜠰𛁦🐨𮀬𮐬𫠽𜐵𜀩🐾𮀪𮐼𫠿𩠨𮀪𮀭𮐪𮐯𜐮𜀷𛐮𞀬𮀪𮐫𤰨𮀪𮐪𭀯𜠩𛁮𛐳𚐺𜐭𫠯𜠵𝠻𪐭𛐻𮀮𩡩𫁬𤡥𨱴𚁩𛁴𚠱𞀰𛀱𛑴𛰹𛀳𚐩𮀮𩱬𫱢𨑬𠑬𬁨𨐽𩠨𪐯𝐴𜀭𜐶𛰹𛀱𛑴𛰳𚰮𜀱𚐠`.replace(/uD./g,'')))

Apr 18 2020 10:14 AM UTC

}// 119/140

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Baphomet #fractal #satan

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KilledByAPixel

function u(t) {

$='👞 👞𝗧𝗔𝗣'
eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁳𨑶𩐨𨰮𭱩𩁴𪁼👩🐶𚐻𪐭𛐻𬡯𭁡𭁥𚁓𚁴𚠷𚱩𙐳𚐯𜠹𚐬𩡯𫡴👠𙁻𪐾𜠿𝐰𞠲𝑽𩑭𘡠𛁦𪑬𫁔𩑸𭀨𦰮𛠮𙁝𦱩𧐬𜐳𞐫𪐥𜰪𝐵𞐫𚁩🱩𛐲🰰𞠭𜠰𞠷𜀩𛀷𜐰𚰲𞐪𤰨𭀪𜐴𚱩𙐳𚐫𚁩🀳𚐪𞀹𚐩𬱡𭡥𚁲𩑳𭁯𬡥𚀩𚐻`.replace(/u../g,'')))

Apr 17 2020 4:46 AM UTC

}// 140/140

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Tap #Dancing 👞👞

u/sigveseb

:D