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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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iverjo

function u(t) {

x.fillRect(i=0,87,W=c.width=310,3);x.font='49px A';for(a of'🚂🚃🚃🚃🚃🚃🚃')x.fillText(a,q=W-t%4*W+i++*46,90+S(q/15))

Jul 24 2016 2:14 AM UTC

}// 110/140

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It turns out that this looks different with the Windows 10 Anniversary update

u/iverjo

#train

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andc2600

function u(t) {

c.width=16
x.fillRect(0,0,16,3)
x.fillStyle=R(208,0,0)
x.fillRect(0,3,16,3)
x.fillStyle=R(255,206,0)
x.fillRect(0,6,16,3)

Jun 4 2018 1:58 AM UTC

}// 121/140

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u/zanella

We'll never forget the 7x1. NEVER.

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joeytwiddle

remix of d/3116 by u/yokljo

function u(t) {

c.width|=k=150;for(j=k*6;j--;x.fillRect(300+i*9,180+b*k-i+(S(i**1.33/k-t*7))*i**.7,9,k))i=j/6|0,x.fillStyle=`hsl(${18*(b=j%6)**1.8},70%,55%`

Sep 5 2017 4:17 PM UTC

}// 140/140

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Pride Flag (unlit)

u/joeytwiddle

which coincidentally uses the exact same colours as the Mac spinner
u/joeytwiddle

This larger version has lighting and extra wobble: https://codegolf.tk/a/168
u/iverjo

#flag
u/f8f82804

#rainbow #pride

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ciaccodavide

function u(t) {

c.width|=1
for(i=0;i<99;i++)
x.moveTo(960+C(t*i)*300,530+S(t*i)*300),
x.arc(960+C(t*i/100)*300,530+S(t*i/100)*300,.9*i,0,9)
x.fill()

Nov 18 2020 9:37 AM UTC

}// 132/140

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Ouroboros Balls

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dtrip

function u(t) {

q=(t*1234)%(t*713)*7
k=499
i=q%k;
z=i/(k/12.6)
a=S(z/2)*500+934
b=S(z)*300+540;
x.fillRect(a,b,52,4)

Dec 5 2023 4:53 AM UTC

}// 100/140

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My first ever dweet!

u/dtrip

Inspired by https://dwitter.net/d/28943 :)
u/rodrigo.siqueira

Great! Hello dtrip, welcome to Dwitter!
u/dtrip

Thanks :)

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katkip

function u(t) {

t||(q=1);for(i=4;i--;)x.fillRect(i*740,0,6,6);x.translate(C(q)*95,S(q+=t)*25)

Jun 1 2019 8:04 PM UTC

}// 77/140

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firegodjr

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(new Date/1000)*300,400,50,200) // draw 50x200 rects

Jun 7 2018 2:27 AM UTC

}// 124/140

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#default with variable framerate!

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BriSeven

remix of d/3487 by u/BriSeven

function u(t) {

t<0.1?(x.x=0, x.y=1000,j=5.5):null;
for(i=0;i<10;i++)m=t*3,
x.fillRect(x.x+i*300, x.y, 5, 5);
x.x+=8*S(C(m)*j), x.y+=8*C(S(m)*j);

Nov 8 2017 11:37 AM UTC

}// 131/140

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rodrigo.siqueira

remix of d/18852 by u/rodrigo.siqueira

function u(t) {

for(let i=2e3,f=(X,Y,n=9)=>Y?f(X*X-Y*Y-.9,2*X*Y,n+.2):x.fillStyle=`hsl(${n},80%,${S(n+7)*99}%`;i--;x.fillRect(i,t*90,1,999))f(i/490-2,1-t/6)

May 25 2020 3:06 AM UTC

}// 140/140

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Symmetry #Julia set for c = -0.9 + 0i, with colors inside the lake area.

u/Xen

worthy of wallpaper

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katkip

remix of d/13587 by u/katkip

function u(t) {

T.valueOf=Math.random;if(!t)for(c=[i=99];i--;c.push([T*2e3,T*1e3,T*6]));c.map(q=>x.fillRect(q[0]+=C(q[2]+=T-.5),q[1]+=S(q[2]),1,1))

May 2 2019 10:01 AM UTC

}// 131/140

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Thx to u/prplz for golfing