Dweets awesomed by u/KilledByAPixel

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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KilledByAPixel

remix of d/15775 by u/KilledByAPixel

function u(t) {

onkeydown=e=>{s=speechSynthesis,s.cancel(c.width|=0);s.speak(newSpeechSynthesisUtterance(k=e.key));x.font="59em'";x.fillText(k,700,800)}

Sep 23 2019 7:49 PM UTC

}// 137/140

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Dweet & Spell ~ Click on the canvas then type to hear each key spoken!

u/katkip

nice
u/davidsover

Why does it say ship on shift? 🚢🚢🚢🚢🚢🚢

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KilledByAPixel

remix of d/15778 by u/KilledByAPixel

function u(t) {

for(I=O="";Q="𠒃񁔇񢖋񓗍񐇯򐃑񐙒򴵅򹋖񕷘󋢙򒭘󅪻󅮛󭫝򕠀".charCodeAt(I/2);O+=";for(c.width|=9-)xlRe40+*S3,52"[Q>>I++%2*5&31]);eval(O)

Sep 23 2019 7:22 PM UTC

}// 107/140

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4-1 compressed #default

u/tomxor

Reduced character set encoding :P I was literally thinking to do the same thing, also this is how some SMS txt compression standards work apparently.

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cagr30

function u(t) {

c.width=w=270
for(i=8;i--;)h=54*(3*t+i)%w,a=i<5,b=i>6,x.fillRect(w/2+(a?0:b?-7-45*S(t):w*(i-5.5)/2),a?h:b?96:5,b?20:3,5*(a?2:(b?9:2*w)))

Sep 23 2019 6:58 PM UTC

}// 136/140

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username

remix of d/8964 by u/conorpo

function u(t) {

for(c.width|=i=9;i--;)for(j=20;j--;)x.fillStyle=`hsl(${i*99},99%,${(n=j+i*5-(t%9)*9)*8}%`,x.fillRect(400+i*100,30+j*30+3**n,100,100)

Sep 23 2019 6:50 PM UTC

}// 132/140

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integrating

u/username

#randomremix no 27

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KilledByAPixel

remix of d/15766 by u/KilledByAPixel

function u(t) {

for(I=O="";q="𠑣𹃦񚁉񪤥񐒬񲆥򁓢򉘄񤖂񓇄򙒊򡂅𼢏򋨢򪙅򱂪𲒅𣧥򑅑񰤌򁇥򃙅񚂅𥒪񊒤򰓎𢢦𛵍񫄥𠑊񹑊񱘄𸤃񔆩񒗄򫂅𫢶𚕈󂔥𱺅񓪗𸠯񣒬񻲮𦊅𣉦򉘄񤖂𳂪𳴐󛦅𱅮".charCodeAt(I/2);O+=";helo dwitr!sancmpf.uvyqbg"[q>>I++%2*5&31]);throw(O)

Sep 23 2019 5:23 PM UTC

}// 140/140

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New 4-1 compressor proof of concept! In this example the compressed code is 208 chars.

u/KilledByAPixel

#COMPRESSOR replace $ with your code... $="for(c.width|=i=9;i--;)x.fillRect(400+i*99+S(t)*300,400,50,200)";n=[...new Set([...(';'+$)])].join(o='');for(v=i=0;(q=$[i])||i%4;++i)v+=q?n.indexOf(q)<<i%2*5:0,i%2?(o+=String.fromCharCode(((i%4==3?55:54)<<10)+v),v=0):0;throw 'for(I=O="";Q="'+o+'".charCodeAt(I/2);O+="'+n+'"[Q>>I++%2*5&31]);eval(O)'
u/tomxor

This is way better than my crazy delta compressor, but it's still surprisingly difficult to stick to a 32 char set.

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KilledByAPixel

function u(t) {

t?0:c.outerHTML="»<input id=i value='Hello Dwitter!'>« <button onclick=speechSynthesis.speak(newSpeechSynthesisUtterance(i.value))>Speak"

Sep 23 2019 12:18 AM UTC

}// 138/140

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Speech Synthesis #Example ~ Change the text and click the Speak button!

u/katkip

#tts

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taupelink

remix of d/15573 by u/taupelink

function u(t) {

for(i=d=e=f=g=1e3;i--;x.fillRect(d*z,e*z,f,g))[d,e,f,g]=[(r=Math.random(z=99)*z|0)/4-(1+r%3)*f*g*C(d)/6,r%11+g%f*S(d),1.4**(r%3)+1/g,1+1/f]

Sep 22 2019 3:10 AM UTC

}// 139/140

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d/15771

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tomxor

function u(t) {

for(x=96,i=O='';u='񾈗򔼐򪄊'.charCodeAt(i/2)>>i++%2*5&31;O+=String.fromCharCode(x))x+=u-16;throw O

Sep 22 2019 2:00 AM UTC

}// 93/140

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Limited Range Delta Compression - Fit 200 chars! with extreme limitations :D

u/tomxor

Each char is encoded as 5 bits (fitting 4 into each 20bit surrogate pair), representing the numeric difference between the previous and current ASCII codepoint. Since 5 bits only provides 32 values this is limited to shifting -16 to +15 codepoints each char, this makes it rather challenging to write code with since you can only reach a max of 1/3 of the useful ASCII codepoints at a time.
u/tomxor

Here's the encoder if you are looking for a very contrived adventure: f=(s,x=96,b=16,o='')=>{for(p=0,i=0;i<s.length;){x+=d=s.charCodeAt(i)-x;p|=d+b<<((i%4^2)*5);++i%4?0:p=o+=String.fromCodePoint(p+0x10000)}return o;}; f('helloooworld')
u/tomxor

... don't try this, seriously, you can't even get a for loop started
u/tomxor

#compressor

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KilledByAPixel

remix of d/15756 by u/KilledByAPixel

function u(t) {

t?++I%7+!u?0:u=O+=String.fromCharCode(u):I=O='';u|=(1&'􉬭󤗘􇔴󹩨􇷒򫻉򧕮񻞇򧔹񼲶󛙣򳫒󚫥񅕅񍊥𩨌𽐚񰺬󑥠򚺳򧅣񜬕񤼊𾹳󩧬󢣳𾳷򜎞𫉅򍥚񄛘󸡽󵅲򺛁𔥦󌜗񬥮󉚜򶢨󏝨򲢧'.charCodeAt(I/10)>>I%10)<<I%7;eval(O)

Sep 21 2019 7:16 PM UTC

}// 134/140

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Slow Uncomprepssor - Saved 6 more bytes! - (At 60 bits per second, give it about 10 seconds to uncompress)

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KilledByAPixel

function u(t) {

eval(unescape(escape`𨰮𬱴𮑬𩐮𨡡𨱫𩱲𫱵𫡤🐧𘰶𡁆𙰻𭀿𨠽𘑢𞡡👢👱🐱𝐲𜰻𭱩𭁨𚁸𚑢𩑧𪑮𤁡𭁨𚁦𪑬𫁓𭁹𫁥👢🰧𘰳𜰳𙰺𙰣𝰷𝰧𚐬𫁩𫡥𥁯𚁔𛑴𚠱𩐴𛁨🐱𞀰𜀩𛁡𬡣𚁔🐱𩐳𛁨𛁱𛁡𛁡𚐬𭀼𛠴𙠦𩡩𫁬𚁡𬡣𚁔𛁨𛁱𚰽𜰰𚡓𚁱𚠪𝀩𚰨𨠿𛐹𞐺𞐹𚐬𨐫🐮𜠫𛠱𚡓𚁱𚡱𚐬𨐩𚐻`.replace(/u../g,'')))

Sep 21 2019 4:34 PM UTC

}// 140/140

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Mountain ~ Inspired by https://codepen.io/kylewetton/full/oNvEXYM

u/DataMeta

#wallpaper

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