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.

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Current theme challenge: #Food

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joeytwiddle

remix of d/16668 by u/joeytwiddle

function u(t) {

for(c.width=X=110;X--;)for(Y=68;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+=S(l+5*t/n)*T[n]

Nov 23 2022 2:16 PM UTC

}// 137/140

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A minor remix, since Firefox got faster

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joeytwiddle

function u(t) {

c.width|=0
for(i=9;i--;)x.fillRect(485+i*100+300*T(q=t+i/9)**5-200*S(q*2)**8,500-400*S(q*2)**16,50,200)

Mar 14 2022 5:31 AM UTC

}// 103/140

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Rewrite/redux of an earlier dweet: "Disney candlesticks"

u/joeytwiddle

The original version: d/7584

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joeytwiddle

function u(t) {

t<4&&x.fillRect((t<2?480:1440)+240*C(3.14*t),810-(t%2>1)*(200+100*C(3*t)*C(5*t*(2-C(2*t)))),29,29)

Jan 28 2022 10:34 AM UTC

}// 98/140

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Sign and co-sign

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joeytwiddle

function u(t) {

c.width=192
for(i=0;i<9;i++)
x.fillRect(51+i*10+S(t)*30,40,5,20)
x.fillStyle='#fff3'
x.fillText("Jeffrey Epstein didn't kill himself",23,53)

Nov 12 2019 5:19 AM UTC

}// 140/140

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#default knows #meme

u/veubeke

😱

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joeytwiddle

function u(t) {

l=localStorage,c.onclick=()=>l.clear()
c.width|=i=1,x.font='3em monospace'
Object.keys(l).forEach(k => x.fillText(k+'='+l[k],9,i++*70))

Nov 6 2019 5:47 AM UTC

}// 135/140

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localStorage viewer. Click on the canvas to CLEAR ALL!

u/joeytwiddle

Visit the #localStorage hashtag to repopulate some keys ;-)
u/metamero

#tool
u/joeytwiddle

Ooof it was done before: d/5099

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joeytwiddle

function u(t) {

c.width|=0;for(i=2;i--;)s=i?99+80*S(t*3):9,x.font=P=s+"px sans",
T=i?P:'X'.repeat(400),
x.fillText(T,960-x.measureText(T).width/2,540+s/3)

Jul 24 2019 8:53 AM UTC

}// 138/140

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To centralise #text vertically, add ~fontSize/3

u/joeytwiddle

To centralise horizontally, subtract x.measureText(T).width/2
u/joeytwiddle

(I think u/f8f82804 showed me that trick)

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joeytwiddle

function u(t) {

eval(unescape(escape('👣🐮👷👩👤👴👨🐽🐳🐰🐰🐻👸🐮👦👩👬👬👔👥👸👴🐨🐢👴👹🐠👀👆👡👫👥👕👮👩👣👯👤👥🐢🐬🐹🐬🐱🐵🐩').replace(/u.{8}/g,'')))

Mar 13 2018 6:58 AM UTC

}// 93/140

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https://twitter.com/FakeUnicode/status/97326…

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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

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Wishing you a jolly perceptually bistable holiday!

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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

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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

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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

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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

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