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: #Opposites

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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/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

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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/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

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tomxor

remix of d/24161 by u/FireFly

function u(t) {

with(x)for(i=64;i--;font='4cm"')fillRect(X=i%8*T,Y=i/8<<7,X+Y&T,t?fillStyle=R(T):T=128),fillText('♜♞♝♚♛♝♞♜♟♟♟♟♟♟♟♟'[i^(i>>5)*63]||'',X,Y+T)

Oct 19 2021 3:15 AM UTC

}// 139/140

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smolr #chess board

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u/tomxor

different strategy, draw the board on the first frame, pieces on the rest
u/FireFly

ohhh that is good, was too tunnelled in on the setups I'd tried.. good job 🎉
u/TGY

now comes the real challenge "e2-e4"
u/tomxor

fillText Y=i==52?Y-T:Y+T, but can't animate with this method. Don't think it's going to be possible in 140 ether.
u/DataMeta

ugh yes. so satisfying
u/sigveseb

very good, but the king and queen on one side are reversed!
u/tomxor

oops good spot

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tomxor

remix of d/23549 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𨐽𣑡𭁨𛡡𨡳𛁣𛡳𭁹𫁥𛡢𨑣𪱧𬡯𭑮𩀽𙰣𞐹𞐧𛁣𛡷𪑤𭁨𙠽𪐽𝀳𝐲𞱘🐱𛐨𭀫𪐯𜰲𚐥𜠬𦐽𛐭𪐯𜡥𜰻𮀮𩡩𫁬𤱴𮑬𩐽𚁩𧡩🠾𝠩𙠸🰧𬡥𩀧𞠧𘱦𩡦𙰬𮀮𩡩𫁬𤡥𨱴𚀶𝀪𚁘𛱲𚱡𚀲𛑴𙐴𚐫𜐩𛀹𝠭𝠴𚠨𦐯𬠫𨐨𤰨𭀩𚐩𛁫🐵𛱲𛐲𛁫𚐩𬠽𛐭𦐪𦐫𦀪𦀫𜐻`.replace(/u../g,'')))

Aug 13 2021 9:03 PM UTC

}// 140/140

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Smooth Colour #Amiga #Ball

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u/tomxor

If someone can squeeze in a hard shadow and a purple grid we will be done.
u/danny@hille.dk

Beautiful
u/danny@hille.dk

I distinctly remember the grid to be blue... but all the youtube videos shows it to be purple... I think it's a conspiracy :-)
u/ullo

i like
u/KilledByAPixel

dweetabase updated! https://dweetabase.3d2k.com/
u/tomxor

I can't find it now but I seem to remember reading about how emulated colours of amigas look different from real amiga video output. The emulators are probably just spitting out the RGB values and letting the host OS do the gamma etc. I suspect real amiga video output must have been a bit "coloured" which causes this difference.

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