Dweets awesomed by u/Odog8

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: #Opposites

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Odog8

function u(t) {

t<2?b=t:b=0;for(a=2e3;a--;)x.fillText('O',(S(a+b*20)+1)*1920/2+C(20*b)*b*10,a+20*b+S(20*b)*b*10)

Mar 8 2020 10:37 PM UTC

}// 96/140

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scanning electron micrograph of graphene?

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rodrigo.siqueira

remix of d/17798 by u/veubeke

function u(t) {

x.font='5in"'
x.shadowColor=`hsl(${40*S(t*2)},90%,50%)`
x.shadowBlur=30
x.fillText('🍇🍷🍾',99,850)
x.drawImage(c,-16,-9,1952,1098)

Mar 8 2020 7:47 PM UTC

}// 128/140

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Grapes, #glass of wine and bottle. Cheers.

u/Odog8

hail Dionysus, the god of wine!

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Odog8

function u(t) {

c.width|=c.style.filter=`blur(9px)contrast(9e9`,x.scale(80,99);for(i=9;i--;x.fillText('.',3*S(2*i+t)+9,3*C(i+t/2)+6))x.fillStyle=R(20,40,70)

Mar 6 2020 10:45 PM UTC

}// 140/140

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hacky Metaballs

u/katkip

i wanted to create the same thing :D

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DaSpider

remix of d/17828 by u/KilledByAPixel

function u(t) {

for(z=c.width|=j=2;j--;)for(i=780;i--;x.fillRect(940+C(a=i/127+1)*250,1e3+S(a)*39,30,j?-t*150:-1e3))x.fillStyle=R(j*99,j*199,j*z,j?.04:.005)

Mar 3 2020 9:47 PM UTC

}// 140/140

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Not a #Glass half empty kind of guy...

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KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁣𛡷𪑤𭁨𯀽𪠽𝐻𪠭𛐻𩡩𫁬𤱴𮑬𩐽𤠨𭠽𜠵𝐬𭠭𪠪𜰹𛁶𛑪𚠱𞐹𚐬𩡩𫁬𚀩𚑦𫱲𚁢𩑧𪑮𤁡𭁨𚁩🐵𝰩𞱩𛐭𞱬𪑮𩑔𫰨𞐶𜀫𬠪𚀲𞀭𪐩𚠪𜠪𤰨𨐽𪐯𞐩𛰵𜀰𚱓𚁃𚁡𚐪𞐫𭀪𞐩𚠱𞐬𞐰𜀫𬠪𠰨𨐩𛑲𚠮𞐩𚑲👪𛐴🱪𚠹𞐫𞐹𚱓𚁩𚡩𚱴𚠹𚐪𜐹𞠱𩐴`.replace(/u../g,'')))

Feb 29 2020 4:22 AM UTC

}// 140/140

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#Flame 🔥 - inspired by https://codepen.io/FelixLuciano/full/ZEGpqdM

u/DataMeta

🔥
u/sigveseb

This is on #fire !
u/katkip

Nice!

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Odog8

function u(t) {

throw unescape('CODE HERE!'.split``.map(e=>('00'+e.charCodeAt().toString(16)).slice(-2)).join``.replace(/(....)/g,'%u$1'))

Feb 27 2020 2:46 PM UTC

}// 122/140

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compressor. even no of chars, uncompress w/ eval(unescape(escape.replace(/u(..)/g,"$1%")))

u/Odog8

eval(unescape(escape`COMP. CODE`.replace(/u(..)/g,"$1%")))
u/katkip

#compressor #tool
u/katkip

works pretty good

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Odog8

function u(t) {

eval(unescape(escape`ⅴ☦⡁㵂㴰⤻䴽䵡瑨⹡扳㭣⹷楤瑨㵩湮敲坩摴栻砮景湴㴧㍥洢✻潮浯畳敭潶攽攽㸨堽攮砬夽攮礩㭸⹦楬汔數琨✽ħⱘⱙ⤻砮晩汬呥硴⠧伧ⱁⱂ⤻䄭㵍⡁ⵘ⤯⡁ⵘ⬮ㄩ㭂ⴽ䴨䈭天⼨䈭夫⸱⤻
`.replace(/u(..)/g,'$1%')))

Feb 26 2020 11:58 PM UTC

}// 131/140

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Cat & mouse test

u/aleamb

#interactive

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yonatan

function u(t) {

for(c.width|=k=i=540;i--;x.strokeRect(960-i*2,k-i,i*4,i*2))n=i/7,x.setLineDash((t*k+1e5/i)%99>50?[n,n,0]:[n,0,n])

Feb 22 2020 6:45 PM UTC

}// 113/140

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pattern idea from https://twitter.com/ntsutae/status/123119038…

u/aleamb

amazing! #tunnel

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tomxor

function u(t) {

R?w=128:c.width=w
for(T=S,S=C,C=T,n=0,i=2e4;j=--i/w|i%w*w;n+=~S[i+5]-~S[i-6])x.fillRect(i%w,j%w,R=frame&1,C[j]=R?n>33&n<59?n<46|C[j]:j&!t:n)

Feb 9 2020 1:38 PM UTC

}// 140/140

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#LargerThanLife #Automata Bugs Rule

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u/tomxor

The Larger Than Life "Bugs" rule R5,C0,M1,S34..58,B34..45,NM. You can introduce more entropy by adding spaces to the code (to restart) which causes i&1 to be combined with existing state in the rule's dead space.
u/tomxor

This uses a sliding window to efficiently compute the sum of arbitrary radi Moore neighbourhoods (i.e box blur kernels). It naturally wraps to the next line giving it a kind of twisted toroidal space, which takes less code and is more efficient since it is only necessary to initialise the sliding window once per dimension: O(2n+2r). The FPS is half of what is displayed since every other frame is used to sum the transposed sum of x.
u/tomxor

Other sized w must be a power of 2 and i must be at least w**2+r+1 (r=neighbourhood radius) to allow the sliding window to correctly initialise, otherwise a bad sum will propagate throughout the grid usually causing everything to die.
u/KilledByAPixel

👍 Thanks for the explanation!
u/tomxor

hmm the larger than necessary i seems to be introducing artifacts... change to i=w*w+6 if you want to see the pure rule.
u/katkip

Woow! I remember it from the The Powder Toy game

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Odog8

function u(t) {

c.width^=1
x.font="50px monospace"
x.fillText('('+(t%2>1?'<':'-')+(t%2>1?'• ':' •').repeat(40),0,540)

Feb 8 2020 2:45 AM UTC

}// 101/140

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pacman

u/katkip

#pacman #text

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