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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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tomxor

remix of d/15952 by u/tomxor

function u(t) {

eval(unescape(escape`景爨眽挮睩摴栽ㄲ〬椽㡥㌻椭ⴻ砮晩汬剥捴⡒㵩╷ⱔ㵩⽷ⰱⰮ㘭娯㘴⤩景爨樽㐬娽眻樭ⴻ娭㴨⡒ⴶ〩⨪㈫⡔⼲⤪⨲⭚⩚⤪⨮㔭⠱㘫匨启猫琪㐩⨸⤫䌨㔪匨启猫䌨刯猪㌩⤫㔪匨刯猫匨娯猫启猪㌫琪㠩⤫琩⨵⥳㴱㘻`.replace(/u(..)/g,"$1%")))

Oct 18 2019 11:35 PM UTC

}// 140/140

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Ray Marching SDF Smoke

u/tomxor

Runs significantly faster in FireFox for some reason.
u/tomxor

Part of the smokeyness is obtained by exploiting artifacts in the ray marching algorithm itself, by only marching a constant and very short depth (4 steps) smooth aberations appear around the true volume (representative of the sphere tracing)
u/DataMeta

WOW!!! #smoke #realistic #compressed
u/tomxor

#raymarching

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tomxor

remix of d/10534 by u/tomxor

function u(t) {

k=160,i=1e3,w=.04
for(t+=32;p=i&1,m=k/C(t/i)+p*(k/2+i%k),i--;)x.fillRect(
960+m*S(n=t/16+i*i)*C(!p*i/t),
540+m*C(n+p*2),s=w-C(n)*w,s)

Oct 20 2018 1:58 PM UTC

}// 133/140

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#space #saturn #drawing

u/katkip

oh wow
u/joeytwiddle

Very nice. Set w=.2 if you don't want to #waitforit
u/tomxor

Oops, this doesn't seem to work at all in some browsers... showing up the aignificant subpixel interpolation differences between canvas implementations. Works in chrome - soz

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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/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

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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tomxor

remix of d/25338 by u/jdspugh

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪁼🐰𛁩🐵𩐴𞱩𛐭𞱱🡴𚡩𚡩𙐵𜐲𙠦𮀮𩡩𫁬𤡥𨱴𚀴𝀫𦀫𚁚𛐲𝀩𚡓𚁴𚐼🀴𛀱𝀫𦐫𚁚𛐲𝀩𚡃𚁴𚐼🀴𛀱𝠬𜐶𛁸𛡦𪑬𫁓𭁹𫁥👒𚁰🠰𙠦𬐬𜀬𬐩𚐩𦀽𪐦𜰱𛁙👩🠾𝐦𜰱𛁚👩🠾𜐰𛁰👓𚁘𛰵𚐪𤰨𦐯𝐩𚡓𚁚𛰵𚐬𬐽𬀪𬀪𝐱𜠻`.replace(/u../g,'')))

Apr 18 2022 3:36 PM UTC

}// 133/140

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Schrödinger Particle Probability - Deterministic With Camera Movement

dwitter.net | tomxor (5378)