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

function u(t) {

eval(unescape(escape`𩡯𬠨𪐽𜐰𞱩𛐭𞱸𛡦𪑬𫁓𭁹𫁥👒𚁩𛐸𯁼𜠵𝐩𛁸𛡢𩑧𪑮𤁡𭁨𚁸𛡦𪑬𫀨𚐩𚑸𛡡𬡣𚀹𝠰𚱛𝀵𛀲𞐬𜐴𛀸𛀲𛀱𛠵𛀱𛀮𝠬𜀬𜁝𦱩𧐪𜑥𝐪𤰨𭀯𝑥𜰯𦰱𝠵𛀸𝀬𜠹𛀱𜠬𜠬𜐬𛠶𛀮𜠬𜐬𜑝𦱩𧐩𛀵𝀰𛁛𜠴𛀲𝐬𝐸𛀶𞐬𜰮𝀬𝠮𝀬𝠬𜠮𝀬𝠹𝠬𜡥𜱝𦱩𧐬𜀬𝰩`.replace(/u../g,'')))

Nov 26 2022 4:39 AM UTC

}// 139/140

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Accurate Relative Scale Solar System

u/tomxor

1000 kilometers per pixel, and 1000 seconds per second. Inspired by d/26463 An orthographic projection (i.e no perspective), imagine looking at our solar system through a telescope from a distant alien world. All scales are accurate relative to each other, radi, mean orbital distances, and sidereal orbital period. This is only possible by lining up the planets and looking through the orbital plane, but due to the massive orbital distances they all shoot off screen quickly.
u/jdspugh

Really cool
u/cantelope

madman

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tomxor

remix of d/24801 by u/rep_movsd

function u(t) {

for(c.style.filter='invert(1',t?i=5e4>>t:G=X=Y=.8;i--;x.fillRect(960+X*19,540+Y*29,.2,.2))Z=X,X=G+Y*1.01-Y**3/7e3,G=4*X*X/(1+X*X)-X*.8,Y=G-Z

Jan 20 2022 11:56 PM UTC

}// 140/140

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Smolr Fluffier Gumowski-Mira Mythic Bird

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tomxor

remix of d/24055 by u/Joachim

function u(t) {

with(x)for(i=0;i<9;stroke())lineTo(a=8*i,b=50+5*C(t-i)),lineTo(a-5*S(t-i),b+9),lineTo(a,b),fillRect(i&&(a-t)%21*6,64,i||(c.width=128),1-i++)

Oct 10 2021 12:47 PM UTC

}// 140/140

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Mini Stick Millipede

u/danny@hille.dk

Great golf
u/Joachim

clever!

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tomxor

remix of d/23544 by u/pavel

function u(t) {

for(a=Math.abs,c.width&=i=4352;X=1-(T+i/32)%2,Y=--i/2e3;x.fillRect(X*r+64*T,Y*r+96-64*a(S(t)),T=a(2-t%4)+1,(i^i/64)/8&1))r=64/(--Y*Y+X*X+1)

Aug 13 2021 12:57 AM UTC

}// 139/140

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Smoother #Amiga #Ball

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u/tomxor

..But less authentic. Remaps the pixel positions rather than texture, which gives "free" antialiasing, with spare space to correct the spin.
u/pavel

Oh yeah, nice. This is definitely a better way of doing it. The other mapping has an incorrect center that I have to waste characters to correct.
u/pavel

-2 char using S(t%3.14) to bounce and inlining the single Math.abs call
u/danny@hille.dk

What a clever trick, using modulus pi of t, to only get the positive part of the sinus curve
u/danny@hille.dk

3.2 works fine, while 3 and 3.1 looks wrong
u/danny@hille.dk

test code: c.width|=0,x.fillRect(o=860,o-S(t*4%3.2)*o,200,200)

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tomxor

remix of d/22883 by u/tomxor

function u(t) {

eval(unescape(escape`󭌿󨼮󭽩󩍴󪌽󭼽󝬴󞭘󟝙󟝚󟝒󟜵󞽦󫽲󚍡󟝓󚍒󚜬󨬽󠼨󤬩󛍰󟜳󩜳󞽰󛜭󞽘󛜽󪼪󨜬󦬭󟝫󚭢󛍙󚼽󪼪󠬬󤬭󟝫󚭁󛍸󛭦󪝬󫍒󩝣󭌨󬌥󭼬󬌯󭼬󜜬󜬭󝌯󩌩󚝦󫽲󚍁󟝰󙝷󛼳󜬭󜜬󠬽󬌯󜝥󜼬󩌽󜜻󚍘󚽤󚭁󚭢󛝤󚭡󧭙󚽤󚭂󧭚󛝤󚭁󚭡󛝤󚭢󚜥󜜵󟬱󞽤󚼽󛬱󚝫󟜨󜜭󜼯󩌯󩌩󛼲󩜴`.replace(/u../g,'')))

May 31 2021 3:37 PM UTC

}// 140/140

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Leisurely Descending a #minecraft cave v2

u/tomxor

Less of a maniac miner... now that dwitter perf is better.
u/tomxor

#raymarching

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tomxor

remix of d/21610 by u/rodrigo.siqueira

function u(t) {

for(c.width&=m=i=8320;i--;x.fillRect(X=i&127,Y=i>>7,1,f(X/m+.01,Y/m)))f=(x,y,n=42)=>--n&&y/(1.1+S(x+2*S(n+t)))<5?f(x*x-y*y-1.5,2*x*y,n):n/16

Feb 8 2021 3:29 AM UTC

}// 140/140

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#wavey #plant #fractal

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tomxor

remix of d/20584 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪀽𜐹𜠬𤠽𝀸𛁩🐸𜀶𝀻𪐭𛐻𮀮𩡩𫁬𤡥𨱴𚁓𚰹𝠬𥀫𝐴𛁃𚁡👍𨑴𪀮𨑴𨑮𜠨𤰽𪐥𞐷𛑒𛁔👩𛰹𝰭𤠬𬠽𚁓𚡓𚱔𚡔𚐪𚠮𝐩𚠹𚐪𜠰𛑲𙠴𝀦𙡲🠳𝠿𬠼𝀲🱔𛱒𞡓𛱒𞠱𛁲🠳𝠿𬠼𤠺𮠨𜰩𛰵𚐩𮠽𫠽🡮𛐭𙠦𠰨𨐯𜰫𬠫𭀪𞐩𚡃𚁔𛰵𚱺𚁮𚐪𜠩𛑲𛰶`.replace(/u../g,'')))

Nov 14 2020 1:20 PM UTC

}// 139/140

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#stargate connected to a world with a #blackhole

u/tomxor

From "A Matter of Time" episode, requested from u/nbevans on HN.

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tomxor

function u(t) {

for(c.width=i=256;i-=1/4;x.fillRect(128+X*16+Y*8,96+X*4-Y*8,4,-Z*3))X=i%8-4,Y=i/32-4,Z=S(t)*9+(Y*2^X*2),x.fillStyle=R(r=X*Y*Z*2,127-r,255+r)

May 9 2020 5:14 PM UTC

}// 140/140

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Pretty XOR for no apparent reason...

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tomxor

remix of d/18338 by u/rodrigo.siqueira

function u(t) {

eval(unescape(escape`𭀿𪰽𭀪𚠸𞡷👣𛡷𪑤𭁨🐹𞐻𩠽𚁘𛁙𛁮👷𚐽🡘🁮🱦𚁘𚡘𛑙𚡙𛐮𞀬𜠪𦀪𦐫𛠲𛁮𚰱𚐺𨁨𬱬𚀤𮱮𚠸𯐠𞐹𙐤𮱓𚁮𛰶𚡴𚠪𛠵𚐪𭱽𙑠𞱦𫱲𚁩🐶𩐳𞱩𛐭𞱸𛡦𪑬𫁓𭁹𫁥👦𚀨𦀭𝐰𚱫𚐯𪰭𜠭𜰶𜠱𞀵𩐭𞀬𜐭𚁙𛐲𞀫𪰩𛱫𚐩𮀮𩡩𫁬𤡥𨱴𚁘👩𙑷𛁙👩𛱷𛀱𛀮𜠩`.replace(/u../g,'')))

Apr 20 2020 12:53 AM UTC

}// 140/140

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Color #zoom #julia #fractal using "X<i"

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u/tomxor

For zoom without slowing down use k=t**t, but you will need very precise coordinates. Here are some other coords I found: f((X-50+k)/k+5100096e-9,1-(Y-28+k)/k), f((X-50+k)/k-2,1-(Y-28+k)/k+201113e-7)
u/tomxor

Oops, hitting subpixel rendering differences again... intended for firefox, chrome looks a bit too mushy, change fill pixel to .3 for chrome.
u/joeytwiddle

Pretty nice! 😻
u/13thptr

amazing
u/tomxor

Due to subpixel rendering differences, for Chrome: see d/18346
u/Joachim

Wow! #underrated #colourful How did you make it infinite? Whenever I’ve tried making a Mandelbrot it always pixelates after the first few seconds of zoom ing in.

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tomxor

remix of d/17007 by u/KilledByAPixel

function u(t) {

for(c.width|=i=159,x.translate(960,99);i--;x.fillText(r+'____ ____ '+r,S(a/130)*S(a/60)*i-44,9))x.scale(q=1.03,q),r=(a=i+t*60|0)%37?' ╒':'🌵'

Dec 30 2019 11:53 PM UTC

}// 140/140

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Added some fencing

u/tomxor

... gota keep those kangaroos out
u/Xen

how do you kill a killeroo???
u/pavel

it's all you have to do :)
u/katkip

wow #road #text

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