Top dweets of all time

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.

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Current theme challenge: #Food

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metamero

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼🐱𞱸𛡴𬡡𫡳𩡯𬡭𚀴𜠬𜀬𜀬𝀲𛀹𝠰𛀵𝀰𚐻𭀿𮀮𩡩𫁬𚁮𩑷𘁐𨑴𪀲𡀨𣰫🐢𘀭𛠰𜐲𝀵𝠷𞀹𠑈𣑖𨑨𫑶𘡛𫁯𨱡𫁓𭁯𬡡𩱥𛣇𛡣𪁡𬡃𫱤𩑁𭀨𢐯𜠩🠾𢐫𚰥𜠪𝐦𜰱𧐩𚐺𣰽𢐽𙰧`.replace(/u../g,'')))}playDemo();{

Oct 1 2019 4:36 PM UTC

}// 126/140

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path filler for "código"

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katkip

function u(t) {

c.width*=1;for(q=2;q--;)for(i=9;i--;)x.fillRect(i*100-t*999%1920+q*1920,400,50,200)

Sep 29 2019 1:14 PM UTC

}// 83/140

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Edge = Portal #default

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username

remix of d/15819 by u/username

function u(t) {

with(x)font=`92em'`,fillStyle=`#a23`,fillRect(C(t)*(y=960)+y,(t/9)*y-y,9,y),fillStyle=`#fff`,






fillText(`hi there :)`,0,y,2*y)

Sep 27 2019 2:45 PM UTC

}// 131/140

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corruptio

remix of d/15807 by u/corruptio

function u(t) {

t?eval(O+=(`;()*+,-=RSdehlrwx|`+7/32+R)["􎐮򯏏󺨬􁻇􀃆𠉰􆖭񪎼󐙒􁋃𵠩𧚃󅬅򤬅𼩔𤠀".charCodeAt(I/2)>>I++%2*5&31]):I=O=""

Sep 26 2019 8:18 AM UTC

}// 95/140

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saving more space if you only use the numbers: ".012578"

u/corruptio

instead of 7/32, 7
u/corruptio

/6.4 and 9/6.4 give interesting digits too
u/KilledByAPixel

awesome ideas!

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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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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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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

Show more comments…
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
u/ximavus

this is actually a very nice idea
u/ximavus

#underrated

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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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username

remix of d/15754 by u/username

function u(t) {

t=1e3
eval(unescape(escape`朽挮睩摴桞㴰㭦潲⡪㴴㭪ⴭ㬩景爨椽朻ⴭ椻砮晩汬剥捴⡩ⰵ㐰⵷⼲⭓⡩⼴㌩⨹⬨焽㤶〭椩⼲⨨焾㸳ㄩ⨪椬㈬眩⥷㴮㐪⨨椯㤹⴨琫権⨶┲㜫㔩⨪㈪ㄶㄫ㤬砮晩汬却祬攽恨獬⠤筩⼶紬㘸┬㔰╠`.replace(/u(..)/g,"$1%")))

Sep 21 2019 4:03 PM UTC

}// 136/140

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If it hangs, just refresh the page and then read the code.

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KilledByAPixel

remix of d/15747 by u/KilledByAPixel

function u(t) {

for(I=O='';q='􉬭󤗘􇔴󹩨􇷒󛻭󭅪𞻯򃆚񼵩󗡴󡑠񫆥򥗋񺺊򊅊񃐘񨰵󑥚񷃕󖆒𺪞𤧞󶜴󩩓󷧙󾖁񍍧򚎴󄺊󀐾򂪹󥅠𒚳󮇋񞚅󩉪򸫴󸢩𑐀'.charCodeAt(I/10)>>I%10;I%7+!u?0:u=O+=String.fromCharCode(u))u|=(1&q)<<I++%7;eval(O)

Sep 20 2019 10:40 PM UTC

}// 139/140

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Saved another 7 chars (I think) from the uncompressor!

u/tomxor

Oh neat, 8 i think, I thought of moving _ directly into it's reference, but combining it with the condition is way better.
u/tomxor

This has also past the threshold at which d/9207 stops reducing (even when moving _ back into a reference.)
u/KilledByAPixel

I think it might be possible if the data was packed tighter, maybe we can do better then 7 bits per char
u/tomxor

yeah i've been secretly thinking this but haven't come up with anything particularly amazing yet... you only actually need 6.75 bits if you ommit the lower 32 control chars including space and tab, but it's too messy to mix in the combinations from other chars, probably need to lose some useful chars too.
u/tomxor

I meant tab and newline not space, both of which are pretty useless for dweets.