Top dweets by u/tomxor

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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tomxor

remix of d/35004 by u/NiVZ

function u(t) {

for(c.width|=i=63;i--;)'筯璓珧秧䧭秏篏䤧篯积'.charCodeAt(t%10)&1<<i&&x.fillRect(14+i%3<<6,7+i/3<<6,64,64)

Mar 6 2026 9:38 PM UTC

}// 95/140

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LECO - Unicode Bitpacked

u/tomxor

This is actually 115 bytes so only an 11 byte reduction over hex encoding, because each of the 10 codepoints takes up 3 bytes each when utf8 encoded, (over the wire, in the DB or in a local file)
u/dee-gomma

Top!
u/NiVZ

Loving seeing all the remixes. I've had another observation. The top left and bottom right segments are always filled. That means the binary can be reduced from 15 bits to 13 bits. Or a max value of 32,767 to 8,191. Would that help to compress things further?
u/tomxor

@NiVZ redundancies are a good thing to look for, but the tricky thing is figuring out if it's worth the extra code to pull out the info from the other side, sometimes you just gotta try and see if it saves bytes.
u/46uuuu

how u do that

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tomxor

remix of d/32885 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪀦👩🐱𝠵𜐲𞱩𞱓𚰽𦀬𠰫👒𛁔𚰽𭐩𚁓𛰸𧡃𛰸𧡔𛰱𜐩𙐱𝑼𯀨𦀽𤠬𤠽𭐬𬠽𨱛𪰽𦱾𤰬啓𛁾𥁝𧑼👵👓𚡴𙐲𛐱𛀭𛑩🠱𩐴🱩𙐴🱣𦱫𧐫𚰺𤰽𠰽𥀽𞐰𞡸𛡦𪑬𫁒𩑣𭀨𦀽𪐦𜐲𝰬𤠽𪐾🠷𛀸𛰨𞀫𬠯𭀩𛁵🐱𛁔🐶𝀬𦀽𦀯𥀭𜐬𤠯👔𛁃👓👴𙐶𚠲𝀩𚐻`.replace(/u../g,'')))

Dec 21 2024 12:27 AM UTC

}// 140/140

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Realtime Photon-Mapping 2

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tomxor

remix of d/26554 by u/KilledByAPixel

function u(t) {

for(R=9*t*t%1,a=r=20+22*R,i=600+800*R*R|0;i--;x.fillRect(99+6e3*t%1800+r*S(a+=.01),99+(t/.3<<7)+r*C(a),3,3))r+=S(r*i)/4

Dec 4 2022 7:07 PM UTC

}// 119/140

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deterministically imperfect circles ⭕

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tomxor

remix of d/21363 by u/tomxor

function u(t) {

f=(a=0,b=0)=>S((d=9+Math.hypot(X+a-128,Y+b-64))/4)/d*12
for(c.width&=i=37120;i--;)
x.fillRect(X=i&255,Y=i>>8,Z=C(f(-8)+f()+f(8)+f(0,-32)),Z)

Jan 21 2021 9:51 PM UTC

}// 140/140

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#interference wave #baby

u/katkip

#cute

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tomxor

remix of d/21304 by u/tomxor

function u(t) {

for(n=i=9;i;T+=S(r),R+=C(r))R*R<4e5&&T/425|R/99|T/25+17&2?x.fillRect(960+T,540+R,n/++u**.5,.1):(r=--n?t*i*n:t/i%2-1,u=n)||(n=T=8,R=i---640)

Jan 19 2021 9:59 PM UTC

}// 139/140

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Smolr

u/tomxor

Also slower, poorly distributed and generally worse... but it fits :P
u/tomxor

#default
u/Qwitter

; ) nice
u/pavel

Very nice!
u/pavel

-3 slightly lighter for(n=i=9;i;T+=S(r),R+=C(r))R*R<4e5&&T/425|R/99|T/25+17&2?x.fillRect(960+T,540+R,n/++u**.5,.1):r=(u=--n)?t*i*n:(n=T=8,R=i---640,t/i%2-1)

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tomxor

remix of d/17367 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𩡯𬠨𪰽𜀻𪐽𪰾🠳𛁪👫𙠷𛁱👩𚱴𚡪𚠪𜱼𜀬𪰫𚰼𝰶𞀻𮀮𩡩𫁬𤱴𮑬𩐽𤠨𪠪𥀪𜠥𜠱𝀬𪠪🐲𝐬𥀭𪠩𚑸𛡦𪑬𫁒𩑣𭀨𪐪𜠰𛁪🱔𚡪𚰨𪠭𝀿𬐯𪠪𠰨𚁱𛰹𚐫𠰨𬐯𝐩𚐺𝀰𚠨𬐥𝀾𜠩𚰴𜀰𚠨𤰨𬐯𜐶𚐼𛠷𚐫𞐹𚡓𚁱𛰹𙠱𜠩𛐴𜀰𚐺𜀬𥀽𜐴𜀬𜑥𜰫𝠰𜀪𠰨𬐯𞀩𚐻`.replace(/u../g,'')))

Jan 25 2020 10:44 PM UTC

}// 140/140

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Jungle #fort

u/KilledByAPixel

nice!
u/KilledByAPixel

#castle

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tomxor

remix of d/17298 by u/tomxor

function u(t) {

for(c.width=240,i=18;i--;x.fillRect(z-3,47+(t/i*5&1),6,24*!!(i%7%4)))x.strokeRect(z=i*12+12,47+(t/i*6&2),12,42)

Jan 19 2020 3:00 PM UTC

}// 111/140

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Machine #piano 🎹

u/tomxor

https://www.dwitter.net/d/17274
u/KilledByAPixel

i can almost hear it

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tomxor

remix of d/15979 by u/tomxor

function u(t) {

for(k=i=1e3;--i;x.fillStyle=R(a=99+S(j*7)*88,a,a))j=i/k+t/3,x.fillRect(k+S(m=k*j^k)*(r=7e4/i*(3+S(m*(j&7))*C(j*7)+S(j))),k-i+C(m)*r,r/2,r/2)

Oct 8 2019 10:55 PM UTC

}// 140/140

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Claustrophobia #waitforit

u/tomxor

Remember to breath!
u/DataMeta

Reminds me of The Enigma of Amigara Fault
u/tomxor

:O that was symultaneously terrifying and bizarre.
u/larzuk

epic

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tomxor

function u(t) {

b='㰐䘀䍠Ⅳ冘⫘ݠ᪸㿌چ筂ᬢ橒⠬'
eval(unescape(escape`潮浯畳敭潶攽攽㹵㵥㭣⹳瑹汥㴧捵牳潲㩮潮攧㬠景爨挮睩摴栽椽㌲〻椭ⴻ⤠戮捨慲䍯摥䅴⡙㵩㸾㐩㸾⡘㵩☱㔩☱☦⁸⹦楬汒散琨堫⡵⹸㸾ㄩⱙ⬨甮社㸱⤬ㄬㄩ`.replace(/u(..)/g,"$1%")))

Mar 10 2019 1:39 AM UTC

}// 137/140

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Hi Bee :) #atari #retro

Show more comments…
u/tomxor

I also have a colour one which induces far more nostalgia, alas, it's 200 chars.
u/tomxor

Move your mouse
u/tomxor

Inspired by d/12618
u/DataMeta

Neat!
u/katkip

So #cute
u/magna

Related: d/10864
u/magna

Also related: d/3271
u/magna

Aaand: d/2633
u/magna

I think we have enough to write a full emulator now.
u/tomxor

:D I wish we could amalgamate dweets into a super dweet! We could build the GEM desktop 140 chars at a time.
u/tomxor

#bitmap #sprite
u/tomxor

#mouse
u/tomxor

#bee
u/tomxor

#pixelart

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tomxor

remix of d/32885 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪀦👩🐱𝠵𜐲𞱩𞱓𚰽𦀬𠰫👒𛁔𚰽𭐩𚁓𛰱𜁞𠰯𜐰𧡔𛰸𚐥𜐵𯁼𚁘👒𛁒👵𛁲👣𦱫👛埴𛁾𠰬堍𧑝𯀽𭐽𤰪𭀥𜠭𜐬𛐭𪐾𜑥𝀿𪐥𝀿𨱛𪱝𚰫𞡓👃👔🐹𝰺𮀮𩡩𫁬𤡥𨱴𚁘👩𙠱𜠷𛁒👩🠾𝰬𞀯𚀸𚱲𛱴𚐬𭐽𜐬𥀽𝠴𛁘👘𛱔𛐱𛁒𛰽𥀬𠰽𤰽𭀥𝠪𜠴𚐩`.replace(/u../g,'')))

Dec 21 2024 12:26 AM UTC

}// 140/140

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Realtime Photon-Mapping 1

u/tomxor

So long as the scene is static the camera can move, there is no technical difference from the initial one other than lowering the resolution of everything in order to increase the frame rate.

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