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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katkip

function u(t) {











eval(atob`Yy53aWR0aCo9MTtmb3IoaT05O2ktLTspeC5maWxsUmVjdCg0MDAraSoxMDArUyh0KSozMDAsNDAwLDUwLDIwMCk=`)/////////////////////////////

Jun 1 2019 6:36 AM UTC

}// 140/140

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#samedefault #obfuscated testing base64 obfuscation tool in dwitter-plus

u/username

nice expansion you got going on there, everyone wants to expand their data

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KilledByAPixel

function u(t) {

eval(unescape(escape`𩡯𬠨𨠽𦱩🐹𞐹𧐻𛐭𪐻𨡛𪐭𞑝👠𬡡𩁩𨑬𛑧𬡡𩁩𩑮𭀨𙁻𪐪𚠲𛰳𩐳𯑰𮀠𨑴𘀤𮰨𤰨𪐩𚠱𩐹𚱴𚡩𛰹𚐥𜠰𜀭𝐰𯐥𙁻𪐪𞐥𞐹𯐥𛁨𬱬𚀤𮰹𞐪𤰨𪐪𪐩𛐴𜁽𘀹𞐥𙁻𝑥𜰯𪑽𙐩𛀣𜀰𜀩𨀩𬰽𨰮𬱴𮑬𩐻𬰮𨡡𨱫𩱲𫱵𫡤𠡬𩑮𩁍𫱤𩐽𙱳𨱲𩑥𫠧𞱳𛡢𨑣𪱧𬡯𭑮𩀽𨠻`.replace(/u../g,'')))

May 28 2019 9:32 PM UTC

}// 140/140

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ＩｎｓｉｄｅＴｈｅＮｅｂｕｌａ #Space

u/katkip

*careless whisper starts playing*
u/magna

#space
u/aleamb

ooooooh!
u/tomxor

so pretty O_O but it is melting my GPU :P
u/KilledByAPixel

#nebula

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vinca

remix of d/14377 by u/vinca

function u(t) {

for(c.width|=i=2e3,x.strokeStyle='#869';i--;)x.lineTo(960+(j=i/S(t/7|i/99))*C((a=5e5*S(S(t/9)))/j/j),540+j*S(a/j/j));x.stroke()

Jun 2 2019 4:18 AM UTC

}// 127/140

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vinca

remix of d/14328 by u/LimeLaser

function u(t) {

x[s="fillStyle"]="#AC31",x[r="fillRect"](0,0,2e3,2e3),x[s]=R(),x[r](951+700*C(a=3*C(t)),531+300*S(a),200,200),x.drawImage(c,16,9,1888,1062)

May 31 2019 1:06 PM UTC

}// 139/140

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vinca

function u(t) {

for(c.width|=i=2e3;i--;)x.lineTo(960+(j=i/S(t/2)/9)*C((a=5e5*S(S(t)))/j/j),540+j*S(a/j/j));x.stroke()

Jun 2 2019 2:52 AM UTC

}// 101/140

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rodrigo.siqueira

function u(t) {

D=(a,b)=>{L=a.length,i=r=0,R='';while(i<53){d=i<L?~~(a[i]):0,R+=(i==L?".":"")+~~((K=d+(r*10))/b),r=K%b,i++}throw(a+"/"+b+"="+R)};D("1",9998)

May 30 2019 5:23 PM UTC

}// 140/140

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BigFloat in 140 chars! This is the Long Division Algorithm used here to calculate 1/9998. Note that this simple division results in Powers of Two: 0001, 0002, 0004, 0008, 0016, 0032, 0064.... Try to change 9998 for 9997 and you will see Powers of Three (1, 3, 9, 27, 81...). Guess what 9996 does? D is the division function. (a,b) are (numerator, denominator). 53 is precision (number of digits). Add more "9" to fit larger power numbers. E.g. To see powers up to 2**40 (that is 1099511627776), change denominator from 9998 to 9999999999998 and total number of digits from 53 to 534.

u/rodrigo.siqueira

I have discovered a truly remarkable demonstration of this result, but this comment is too small to contain.
u/joeytwiddle

#math #division
u/marc8

quoting Fermat... LOL

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KilledByAPixel

remix of d/14319 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𭀿𫱮𨱬𪑣𪰽𧰽🡣𛡷𪑤𭁨𯀽񉐨𚐺𚁩👣𛡢𩑦𫱲𩐨𡀽𩁯𨱵𫑥𫡴𛡣𬡥𨑴𩑅𫁥𫑥𫡴𚀧𩁩𭠧𚐩𛁄𛡩𫡮𩑲𢁔𣑌🐢𓠠🁴𩑸𭁡𬡥𨐠𪑤🐤🡦👩🠾𞐦𪑜𫡸𛡦𪑬𫁔𩑸𭀨𜀬𪐯𝐱𜠥𜐹𞀴𛁦𚐢𚐻𩑶𨑬𚁬𫱣𨑬𤱴𫱲𨑧𩐮񉐫𨁆👟🐾𮰤𮰤𛡶𨑬𭑥𯐻𪐫𚰻𬡥𭁵𬡮𘁦𯑠𚐻`.replace(/u../g,'')))

May 30 2019 5:07 PM UTC

}// 140/140

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♫ Dwitter Bytebeat Live - Click to start/stop. Write code to make music and graphics with live update! #DAP #Music

u/metamero

ah, that's much better! #noise

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KilledByAPixel

remix of d/14332 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𩑶𨑬𚁬𫱣𨑬𤱴𫱲𨑧𩐮񉐩𞱴🱯𫡫𩑹𭑰👥🐾񁐽𩐮𪱥𮑃𫱤𩐭𮠿񁐺𪐽𜀺𪐽𜀻𫱮𪱥𮑤𫱷𫠽𡐽🡩🳅🐲𚠪𚀨𜐶𞀮𞀭𚁺👅𛡫𩑹𠱯𩁥𚐩𛰱𜠩𞣥𚀩𞱯𫡭𫱵𬱥𫑯𭡥👥🐾𚀤👥𛡸🠾𝐬𦐽𩐮𮐩𞱆👟🐾𚀫𚱩🠾𙀦𪐥񁐩𛱙𞱣𛡷𪑤𭁨🐶𝐻𮀮𩡩𫁬𥁥𮁴𚁺𛐶𝐬𙀬𦐯𞐩`.replace(/u../g,'')))

May 31 2019 9:50 PM UTC

}// 140/140

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♫ 𝓑𝔂𝓽𝓮𝓫𝓮𝓪𝓽 𝓣𝓸𝔂 2.1 ~ Tuned Edition ~ Requires #DAP d/14319 ~ Click canvas to activate. Use keyboard to play notes tuned to the chromatic scale. A on the keyboard is A3(220hz). Each key goes up a half step. (M and Y are octaves above A, 5 is an octave below). Mouse position controls sound.

u/KilledByAPixel

Mary had a little lamb: E-C-A-C-E-E-E
u/KilledByAPixel

#music #instrument #interactive
u/KilledByAPixel

Tetris Music: H-CDF-DCA-ADH-FDC-CDF-H-D-A-A
u/KilledByAPixel

To print out the equation to error add throw (i>>${$}&i%${Å})/${Y}
u/KilledByAPixel

Simpsons: A-EG-JH-EA

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Xen

function u(t) {

for(c.width^=t,i=9;i--;)x.fillRect(400+i*99+S(t)*300,400,50,200)

May 31 2019 7:03 PM UTC

}// 64/140

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#waitforit default particles getting all excited!

u/Xen

#default

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Xen

function u(t) {

x.fillText(t*99|0,940+C(frame*t)*frame/9,540+S(frame*t)*frame/9)

May 31 2019 6:57 PM UTC

}// 64/140

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test while i wait for taxi lol