Dweets awesomed by u/sChiab8

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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anotherkitten

function u(t) {

e=(a,b)=>~~(a/b%2)?b-a%b:a%b;x.fillRect(0,0,2e3,2e3);x.globalAlpha=.07;for(i=j=40;j--;)x.clearRect(e(t*j*i,1880),e((S(t)+1.2)*j*i,1040),i,i)

Sep 28 2018 2:10 PM UTC

}// 140/140

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inspired by cantelope's dweets

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katkip

remix of d/5380 by u/ellisk1

function u(t) {

x.fillRect(0,0,q=c.width=2e3,q);for(i=q;i--;)r=40+i**4/8e7/t,x.fillStyle="#fff",x.fillRect(1e3+S(z=i%q*i+3e2*t/r)*r,1e3+C(z/i)*r-i,8,8)

Sep 27 2018 2:15 PM UTC

}// 135/140

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Golfed, minified and fastified

u/joeytwiddle

A like this one. Black hole -> tornado

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loni_art

function u(t) {

c.width|=R=θ=1
x.globalAlpha=.2
for(i=2e4;i--;R+=(1+t/16)*S(θ),θ=(θ+R)%6.28,R%=6.28)x.fillRect(S(θ)*R*75+999,C(θ)*R*75+600,9,9)

Sep 24 2018 2:44 AM UTC

}// 127/140

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Chirikov-Taylor map, automation on K #mapping #chaos #oscillation #waitforit

Show more comments…
u/joeytwiddle

https://wikipedia.org/wiki/Standard_map
u/donbright

woah
u/DataMeta

Niiiice
u/John_Matysik

tis nice
u/loni_art

i just noticed i got it wrong, since in treating angular momentum as radius!! its still a chaotic map but a different kind
u/MatthewKhan

tis

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katkip

remix of d/1871 by u/walsh9

function u(t) {

c.width|=Y=(d,e,a,l)=>l?(x.moveTo(d,e),x.lineTo(d+=l*8*C(a*2),e+=l*8*S(a*3)),Y(d,e,a-t/8,--l),Y(d,e,a+t/9,l)):0;Y(960,500,5,12),x.stroke()

Sep 23 2018 1:41 PM UTC

}// 139/140

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Another fractal remix

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katkip

function u(t) {

c.width=1920;
x.font='6cm x';x.fillText(document.body.innerHTML.substring(0,t*3.6*2),+960-t*3e2*2,540)

Sep 20 2018 11:36 AM UTC

}// 102/140

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That's how to write dwitter language

u/katkip

#bug it is a lot faster when you create it in a "New dweet" container
u/BalintCsala

That's not a dwitter bug, canvas sometimes defaults to 120FPS when something's really fast
u/katkip

Yeah but it delayed it and now isn't how I wanted to be

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anotherkitten

remix of d/9931 by u/Xen

function u(t) {

c.style.background=R();if(t<34)with(x){shadowColor=`hsl(${t*99} 76%66%`
shadowBlur=19
fillRect(9,9,9,9)
translate(25,8)
rotate(t*2.10587)}

Sep 19 2018 12:03 AM UTC

}// 138/140

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spiral of spirals

u/donbright

id love a shirt like this
u/katkip

that's indeed awesome
u/magna

Neat!

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cantelope

remix of d/9906 by u/anotherkitten

function u(t) {

with(x)fillStyle=`hsl(${t*=350},90%,${t%99}%`,beginPath(fill()),arc(960,540,5,0,7),X=S(t*=6)*5,Y=C(t)*5,drawImage(c,X-80,Y-45,2080+X,1170+Y)

Sep 18 2018 5:15 PM UTC

}// 140/140

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u/katkip

this is really crazy skill
u/yonatan

I'm not sure why this looks as good as it does.
u/cantelope

my fiance says this looks like "mind control"
u/Noah

That's so raven
u/anotherkitten

man you made this much more cool
u/aemkei

Wow! And I love to play with the number. eg t*=t*3 or t*=97 gives some nice effects.

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sChiab8

function u(t) {

w=c.width=1920 
for(i=0;i<(t*20%400);i++){
x.fillRect(w/2+C(i+t)*i,c.height/2+C(i)*i,10,10);}

Sep 18 2018 3:19 PM UTC

}// 94/140

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galaxy o coso

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cantelope

remix of d/9870 by u/jylikangas

function u(t) {

eval(unescape(escape`睩瑨⡸⥦潲⡴⨽㈬挮睩摴桼㴰ⱳ桡摯睂汵爽朽㈵〬晩汬却祬攽獨慤潷䍯汯爽恨獬⠤筴⨴ぽⰸ〥ⰵ〥怬椽㤻椭ⴻ晩汬剥捴⠹㘰⬨䘽攽㸭ⵥ⩱⨨䐾ㄿ䐺ㄩ⵱⼲⤨椥㌩ⰵ㐰⭆⡩⼳簰⤬焬焩⥄㵴┲⨶⵩ⱱ㵧⼨琥㈭㌩`.replace(/u(..)/g,"$1%")))

Sep 16 2018 5:47 PM UTC

}// 138/140

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u/BirdsTweetCodersDweet

Whoa...
u/katkip

#infinite

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BirdsTweetCodersDweet

function u(t) {

x.fillRect(t*100,a=540-(~~(S(t)*2.5+2.5))*50,15,15),x.fillStyle=`hsl(${a**2%360},50%,50%)`

Sep 16 2018 4:08 PM UTC

}// 90/140

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Sine wave, line wave...

dwitter.net | sChiab8 (2411)