Random dweets | Dwitter

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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romstr

function u(t) {

c.width^=0
k(t*100%960)
}
function k(l){
x.fillStyle=R(l%255,70+l%255,140+l%255)
x.fillRect(960-l,540-l,l*2,l*2)
if(l>0)k(l-40)

Jan 12 2018 7:21 AM UTC

}// 128/140

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u/whackashoe

I like this pattern a lot! Btw: you could cut off a few chars by doing k=l=>{.
u/sigveseb

nice and clean style! looks great

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Xen

remix of d/12992 by u/katkip

function u(t) {

x.fillRect(0,t*t,2e3,1)

Apr 4 2019 5:59 PM UTC

}// 23/140

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23b #moire

u/metamero

22B d/12996 and 21B d/12998
u/metamero

another 22B version x.fillRect(t,t*=t,t,1)

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lewdev

remix of d/28603 by u/384.cz

function u(t) {

eval(unescape(escape`挮睩摴栽㈰〬瑼籣⹩湳敲瑁摪慣敮瑈呍䰨≢敦潲敢敧楮∬∼瑥硴慲敡⁲潷猽㄰⁳瑹汥㵰潳楴楯渺慢獯汵瑥㭷楤瑨㨱〰┻扯瑴潭㨰㭦楬瑥爺楮癥牴⠱⤠楤㵄㸢⤬敶慬⡄⹶慬略⤠`.replace(/u([^D].)/g,'$1%')))

Oct 5 2023 8:53 PM UTC

}// 127/140

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Dwitter Live Editor in a Dweet

u/lewdev

Enter this code: x.fillText('|||||||||',14*S(t)+83,30)
u/neimad

clever
u/lewdev

Not me, u/384.cz

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anthonylewis

function u(t) {

r=Math.random;c.width=500;s=.3
for(i=64;i--;)
a=r()*-400,b=r()*a*(s*=-1),x.fillRect(b+250,a+270,5,5)

Apr 12 2018 12:33 AM UTC

}// 100/140

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thenize

remix of d/13528 by u/katkip

function u(t) {

for(c.width|=i=121;i--;)for(j=600;j--;)x.fillRect(i*24+C(i/9+t)*10*S(j/7+t),j*20+S(j/9+t*3)*1225*C(i/7-t)-1,15,9)

May 15 2024 5:12 PM UTC

}// 113/140

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u/warbino

awesome!

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tomxor

function u(t) {

for(c.width=63,i=3e3;i--;x.fillRect(R=i&63,T=i>>6,1,.5-Z/24))for(j=5,Z=12;j--;)Z-=((R-32)**2+(T-18)**2+Z*Z)**.5-8+S(R/2+t*4)*S(T/2)*S(Z/2)*3

Oct 6 2019 12:27 PM UTC

}// 140/140

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Ray Marching SDF Sphere+Bumps

u/tomxor

Specifically, sphere tracing, with axis aligned field, i.e no perspective, marching along Z only. The sphere is not rotating, the simple displacement map is just being pushed through it's x.
u/yonatan

orthogonal raymarching... nice idea
u/tomxor

You said it more succinctly :)
u/tomxor

#raymarching

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neimad

function u(t) {

c.width=w=i=360
for(;i--;){x.fillStyle=`hsl(${w*Math.random()},100%,50%)`
x.fillRect(0,i,w,i)}x.fillStyle='#43a'
x.fillRect(20,20,320,160)

Jan 28 2023 7:24 AM UTC

}// 138/140

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UNPACKING...

Show more comments…
u/Xen

nice!
u/tomxor

Yes! #atari st
u/neimad

It's actually supposed to look like a C64
u/tomxor

Lots of AtariST games started this way too, I never had a C64
u/joeytwiddle

I saw a #C64 but Acorn Electron is still the best! #retro #tribute
u/lonestar108

Yep reminds me of my C64... ah memories

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rodrigo.siqueira

remix of d/26283 by u/rodrigo.siqueira

function u(t) {

for(m=4e3;m--;x.fill())x.beginPath(x.fillStyle=R(m,m/12,i=m%38/t,50/C(i**i)/999)),x.arc(960+i*C(K=m+S(i*m)),540+i*S(K),i*C(m*t)**8/3,0,8)

Oct 13 2022 12:18 AM UTC

}// 137/140

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Convergence

u/jasnh

my laptop makes small noises when it displays this

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metamero

remix of d/11425 by u/metamero

function u(t) {

t||(c.outerHTML="run dweet: <input id=E value=11748>",E.onblur=e=>location='/id/'+E.value)

Jan 12 2019 9:55 PM UTC

}// 90/140

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choose dweet to run then scroll down and up : yes 'im stealing my dweet back ;)

u/JWinslow23

Haha, nice
u/katkip

:D
u/katkip

Lol, #genius stealing chain

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jonathan-potter

remix of d/10943 by u/logistikalism@gmail.com

function u(t) {

x.beginPath()
x.arc(960,540,400,t,t+3.14)
x.strokeStyle = R(99*S(t),99*C(t),Math.abs(50*T(t)))
x.lineWidth=10
x.closePath()
x.stroke()

Nov 12 2018 10:21 PM UTC

}// 134/140

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