Hot 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

Please log in (or register) to post a dweet (copy-paste the code somewhere safe to save it meanwhile)


    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

show FPS hide FPS share fullscreen

joeytwiddle

function u(t) {

x.font='99px s'
x.fillText('5MB JS invitro ▶️',0,99)
this.onclick=()=>document.location='//neuralyte.org/~joey/noi/no-invitation.png.html'

Jan 2 2018 3:23 PM UTC

}// 138/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Revision Demoparty will be March 30th - April 2nd in Saarbrücken, Germany. Click to see the invitation demo. It will need some free memory and it will play some music! It is written in 42,697 dweets of Javascript.

u/trupples

a big ol' maybe monad that's what this is
u/iverjo

Come to Revision! It will be awesome
u/sigveseb

Lol, "dweets of Javascript"
u/joeytwiddle

I should have said: "42,698 dweets of Javascript and assets."
u/joeytwiddle

Sorry the link is down. Here is the original: http://www.pouet.net/prod.php?which=73145

show FPS hide FPS share fullscreen

joeytwiddle

remix of d/2612 by u/joeytwiddle

function u(t) {

t?c.width=W=200:P=Z=0;for(i=36;i--;j==Z&&(X-99)**2<60?Z=9:Z?onclick=e=>Z--:P++)j=i>>2,x.fillText(j?'🚌':'🐢',j?X=j%5*t/i*P/23%W:99,9*(j||Z))

Dec 29 2017 2:29 PM UTC

}// 138/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Crossy tortoise. Click to play

Show more comments…
u/zanella

Holy s**t, that was awesome!
u/joeytwiddle

Thanks hehe. The traffic patterns suffered in this version, to make room for the emojis.
u/iverjo

This needs more upvotes!
u/_nderscore

Awesome!
u/lionleaf

Oh wow! Amazing!
u/trupples

holy shit
u/SIGILLIM

I won! :D. This is so creative.
u/leon

extra
u/vberlier

super dope stuff here
u/joeytwiddle

The traffic I wanted, but cannot fit: j?X=j%5*(t+i)*P/400%W:99
u/lionleaf

#game #interactive #emoji #frogger #tortoise #bus
u/fujimotos

#playable
u/katkip

Impossible
u/hvianna

👍👍
u/joeytwiddle

For playability, the boxy d/2612 is my favourite

show FPS hide FPS share 1 remix fullscreen

joeytwiddle

remix of d/4827 by u/New_Core

function u(t) {

for(c.width=99,i=9;i--;x.fillRect(40+35*S(t-i),19-14*C(t*i),20,20))x.filter='blur(5px)contrast(1%)',x.globalCompositeOperation="lighter"

Dec 30 2017 1:49 PM UTC

}// 136/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Shaded metaballs

Show more comments…
u/joeytwiddle

I was actually trying to threshold but ended up with something unexpected
u/joeytwiddle

Can anyone explain it ... ? lol
u/sigveseb

Sweet metaballs
u/joeytwiddle

blur(0px) helps to show what's going on.
u/joeytwiddle

Something similar but more beautiful: https://www.dwitter.net/d/5321
u/joeytwiddle

Another funny wobbly thing: d/5446
u/joeytwiddle

This is what I had been trying to reproduce: https://codepen.io/aswhipple/pen/xpywbO
u/joeytwiddle

Programmatic metaballs by sop: d/7488
u/iverjo

#metaballs
u/katkip

#cells
u/joeytwiddle

NewCore has done this technique right: d/17584
u/rodrigo.siqueira

#cell

show FPS hide FPS share 1 remix fullscreen

joeytwiddle

remix of d/4805 by u/Jezza

function u(t) {

c.width=640;d=-2.1;e=1.9;for(i=l=j=t;i<6e4;i++)k=S(d*l)+C(t)*C(j*d),m=S(e*j)+S(t)*C(l*e),j=k,l=m,x.fillRect(320+j*100,180+l*70,.3,.3)

Dec 30 2017 3:29 PM UTC

}// 133/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

u/xem

Splendid
u/joeytwiddle

I do like adding alpha to other people's attractors http://bit.ly/2pZCrOg http://bit.ly/2DDaPjO
u/joeytwiddle

This version is easier to resize: https://www.dwitter.net/d/5336
u/joeytwiddle

Please do give Jezza an upvote. They did most of the work here!
u/katkip

#attractor

show FPS hide FPS share 1 remix fullscreen

joeytwiddle

remix of d/3631 by u/joeytwiddle

function u(t) {

w=1e3,r=Math.random;for(i=4e3;i--;x.fillRect(700+D,T+r()*(w-D*k/4-T),l=1/(4+t),l))s=r()<.6,k=s?-1:.4,D=(s?-350:650)*r(),T=9+D*k

Dec 14 2017 11:51 AM UTC

}// 127/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Merry Cubemas

u/cantelope

neat
u/magna

#cube
u/joeytwiddle

#stochastic #model #waitforit
u/joeytwiddle

Although unintended, the surfaces are not uniformly shaded. They get darker at the sides, because the same number of dots are compressed into a shorter height. This may give a false impression of radiosity.

show FPS hide FPS share 1 remix fullscreen

joeytwiddle

remix of d/3633 by u/joeytwiddle

function u(t) {

for(r=Math.random,i=w=700;i--;x.fillRect(i%9?960+a/2*C(p=w*r()):960+99*C(p),i%9?80+a+a/6*S(p):790+200*r()+30*S(p),k=2/(5+t),k))a=w*r()**.6

Dec 14 2017 4:10 PM UTC

}// 138/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Wishing you a jolly perceptually bistable holiday!

show FPS hide FPS share 1 remix fullscreen

joeytwiddle

remix of d/3632 by u/joeytwiddle

function u(t) {

for(r=Math.random,w=350,i=4e3;i--;x.fillRect(c?4*w+a*C(p):500+S(w*p)*a,c?40+2*a+a/3*S(p):700+C(w*p)*a,k=2/(5+t),k))a=w*r()**.4,p=3*r(),c=i&1

Dec 14 2017 3:28 PM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Plato's meditation room

u/joeytwiddle

But which one does he sit on?
u/BirdsTweetCodersDweet

Obviously the cone...
u/joeytwiddle

What I was really going for: https://js1k.com/2017-magic/demo/2648
u/joeytwiddle

#stochastic #scene

show FPS hide FPS share 1 remix fullscreen

joeytwiddle

remix of d/3519 by u/cantelope

function u(t) {

for(R=Math.random,w=520,i=4e3;i--;x.fillRect(960+S(a=w*R())*Z*w,540+C(a)*Z*w,k=1/(2+t),k))Z=R()**.2

Dec 14 2017 11:49 AM UTC

}// 99/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Re-release (faster, grainier and golfed)

u/joeytwiddle

#stochastic

show FPS hide FPS share 1 remix fullscreen

joeytwiddle

remix of d/554 by u/iverjo

function u(t) {

b=33;for(i=0;i++<1e3;)s=45/(9-(t+i/99)%9),x.fillStyle=R((d=i*119)%256,d/1.4%256,d/7%256),x.fillRect(960+5*s*C(h=i*t/b+t),540+5*s*S(h),s,s)

Dec 4 2017 4:51 PM UTC

}// 138/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Just a minor remix. Play with the b variable ;-)

u/Xen

:-D
u/Xen

i had a play #3604
u/joeytwiddle

b=14 is my favourite KALIVERSCOPE
u/joeytwiddle

#kaleidoscope

show FPS hide FPS share 1 remix fullscreen

joeytwiddle

function u(t) {

r=Math.random;if(r()<.04){c.width=199
for(i=X=25;i--;X+=w)x.fillRect(X+=2,9,w=1+6*r()|0,78)
x.fillText(Object.keys(this)[r()*215|0],27,99)}

Dec 3 2017 5:20 PM UTC

}// 139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Inspired by zoulei and xscreensaver

u/joeytwiddle

Minor improvement: if(t%1<.3)
u/joeytwiddle

Improved bars: for(i=X=25;X<170;X++)r()<.6&&x.fillRect(X,9,1,78)
u/joeytwiddle

#barcode

dwitter.net | joeytwiddle (2463)