Top dweets by u/joeytwiddle

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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joeytwiddle

remix of d/11549 by u/joeytwiddle

function u(t) {

for(R=Math.random,i=700;i--;x.fillRect(960+r*C(a),80+y+r/9*S(a),.2,.2))y=896*R(),T=y>768,r=T?30:(y|127)*(y*S(y/300)-2*y%128)/1313,a=9*R()

Dec 25 2019 2:02 PM UTC

}// 137/140

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A quick and dirty Merry #Christmas #tree mix

u/katkip

Awesome!
u/Xen

nicely
u/iverjo

Great!
u/joeytwiddle

I originally felt a little ashamed to post because the distribution of dots is not uniform, hence "dirty", but your kind comments have reminded me that nobody really cares. Indeed, bugs like this can even give an image more character than perfection would. Thanks! 🙏

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joeytwiddle

function u(t) {

for(c.width=X=55;X--;)for(Y=34;T[7]=X/3,T[6]=Y/3,Y--;)for(l=6;x.fillRect(X,Y,s=T[0],s),l--;T[l]=S(v))for(v=n=l;n++<7;)v+=t*(l+n)/7%1*T[n]

Nov 18 2019 1:42 PM UTC

}// 137/140

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Dweet dream: a sort of 7-layer neural network

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u/joeytwiddle

A poor man's zzArt. A redux of https://joeytwiddle.github.io/nn-images/
u/joeytwiddle

Node values are held in T, with T[6,7] being the input nodes. Each "layer" has just one output T[l] formed from all the previous nodes T[l+1..7]
u/joeytwiddle

Instead of randomly generating and storing weights, we use t*(7*l+n)%1 Other weights you can try: v+=S(t*l+n)*T[n] or v+=S(l+t*n)*T[n]
u/DataMeta

Beautiful 👏
u/f8f82804

#dweetdream
u/KilledByAPixel

👍

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joeytwiddle

remix of d/9573 by u/katkip

function u(t) {

x.font='3.5in x';(x.lineWidth=44+300/t-9*t)>9&&(x.strokeText('☭𝔇𝔴𝔦𝔱𝔱𝔢𝔯☭',77,650),x.strokeStyle=`hsla(${t*99},99%,50%)`)

Aug 31 2018 11:16 AM UTC

}// 119/140

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Painful colour contours. #sorry #text

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u/katkip

XD. now the background color and the text color aren't so Stalin...
u/katkip

and it's not centered
u/joeytwiddle

This is centered on Mac. I tried px, em and vw but all have the same problem: smaller on Linux, larger on Mac.
u/f8f82804

163 char with centering: with(x)((f=a=>font=a+'in ☭')(1),f(1800/measureText(s='☭𝔇𝔴𝔦𝔱𝔱𝔢𝔯☭').width)),(lineWidth=44+99/t-9*t)>9&&(strokeText(s,60,650),strokeStyle=hsl(${t*56} 99%50%)
u/Xen

Thats a damn Sexy dweet!
u/katkip

why is this popular than mine? mine is more stalinish
u/aleamb

lol! great!
u/joeytwiddle

Very nice f8f82804. Sorry katkip, propaganda.

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joeytwiddle

remix of d/33393 by u/geeknik

function u(t) {

for(i=9e3;i--;)x.fillRect(960+S(t+i/9)*C(i/50)*i/5,540+C(t-i/9)*S(i/49)*i/5,i/99,i/99,x.fillStyle=`hsl(${i+t*9},99%,66%,.01)`)

Mar 2 2025 9:46 PM UTC

}// 126/140

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u/Odog8

very trippy

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joeytwiddle

function u(t) {

eval(unescape(escape`⁦潲⡩㵣⹷楤瑨㴹㤻椭ⴻ⥸⹦楬汔數琨✫✬㐸⬨∫⬮ⴲ㈴㠾㤷㠷㤿㨺㤸㙀㼷㔳⼷㸰⼬⸮ㄮ〯㘿㠿丸㭖䝊娽㩑乌䠿㜾䍈䐾㐸嵃㽛㔴㰾䉡㤴㹔䉁㼵㹜屓繎㜺塞档㠳䕾婳⬢⹣桡牃潤敁琨椩ⴳ㈩⩓⡩⵴⤯㔬㜫椯㈩`.replace(/u([^D].)/g,'$1%')))

Apr 17 2023 6:29 PM UTC

}// 140/140

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MFDCotGLB

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u/vain

Not sure why and how... but it looks to me like a rotating head with human body... amazing. Maybe this would look cool with transparent/blending drawing
u/tomxor

Interesting pointcloud encoding. Looks like each codepoint's index is Y, and it's value is both the angle in radians and distance from center.
u/neimad

Looks like meditating buddha
u/joeytwiddle

You got it! My First Digital Carving of the Gracious Lord Buddha
u/cantelope

wild
u/jdspugh

Meditating Buddha, yes!
u/Xen

nice!
u/joeytwiddle

Almost tomzor. The index is Y and also the angle, hence the spiral visible in remixes. p0i used that index for his globe in d/5600
u/andrea270872

wow!

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joeytwiddle

function u(t) {

c.width=-1;T=1-C(t/5)
for(i=2;i--;x.fillRect(0,28*T+h*i,300,h))x.fillStyle=`hsl(${i?50-23*T:210},${99-i*T*12}%,${i?49:36-2*T}%)`,h=85-14*T

Mar 3 2022 4:53 AM UTC

}// 138/140

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The flag of Ukrai... oh no

u/joeytwiddle

#ukraine #flag

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joeytwiddle

function u(t) {

r=_=>i*i*k++
for(c.width|=k=i=30;i--;x.fill())x.lineTo(960+500*(C(a=r()+t)+S(b=r()+t)),540-3e3*C(r(x.fillStyle='#fa01'))/(9-3*S(a)+3*C(b)))

May 15 2020 6:18 PM UTC

}// 139/140

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Spikey orange spinning thing

u/joeytwiddle

Two hours later, while brushing my teeth, I realise the two 3* can be factored out
u/joeytwiddle

This animation was inspired by a 2018 TV show. Five awesomes if you can guess the name.
u/initramfs

StarFox? ;)
u/joeytwiddle

Nope, sorry!

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joeytwiddle

remix of d/14824 by u/donbright

function u(t) {

c.width=400
d=(r,T)=>x.fillText(T,200+r*S(a=i/1.91),115-r*C(a))
for(i=N=t|0;i>1;i--)
for(N%i||d(60+i,i),k=50;k--;)N%i||d(k,'*')

Jun 29 2019 4:36 AM UTC

}// 127/140

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Prime factors on a clock #primes #math

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u/joeytwiddle

Shouts to donbright and taupelink!
u/joeytwiddle

35, 55, 77, 95, 115 and 119 all draw a lambda
u/katkip

Wow
u/taupelink

yay
u/DataMeta

Noice!
u/joeytwiddle

Oops this shows all factors, not just prime factors
u/donbright

hee hee sorry my description on the original was slightly misleading
u/donbright

you have golfed it down to where you might actually be able to do something only with prime factors
u/donbright

holy smokes... i just realized something. if you express an integer using this method, there are only 2 to the twelfth possible representations, which is 4096
u/joeytwiddle

Even fewer, since 4, 6, 8, 9, 10, and 12 never appear alone
u/joeytwiddle

They all light up at t=13860, after 3.85 hours #waitforit
u/joeytwiddle

For seconds/minutes use S(a=i/9.55) and d(60+i/4,i)
u/joeytwiddle

To see factors of odd numbers only, and quickly: i=N=t*22|1
u/donbright

cool

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joeytwiddle

remix of d/7980 by u/BalintCsala

function u(t) {

c.width=280,W=20
for(i=9;i--;)x.fillRect(D=i*W-(K=(t%1)*W),D,W,W)
x.font="24px A"
x.fillText("●",98,101-K-W*(1.2-t%1)*(C(6.3*(t%1))**2)**.5)

May 5 2018 8:27 AM UTC

}// 140/140

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u/iverjo

#bounce
u/joeytwiddle

Multibounce: x.fillText("●",98,101-K-W*(1-t%1)**2*(C(15*(t%1))**2)**.5)

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joeytwiddle

remix of d/7839 by u/prplz

function u(t) {

with(x)for(c.width|=i=0,translate(S(3*t)*300+430,350);i++<9;)translate(100,0),rotate(k=C(3*t+.1)/2),fillRect(-25,100,50,200),rotate(-k)

Apr 29 2018 9:13 AM UTC

}// 135/140

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Swinging #default

u/katkip

Hehe
u/joeytwiddle

Please give prplz a +1, I only turned their dweet upside down!

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