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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Current theme challenge: #Food

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atgz

remix of d/10578 by u/ersagun

function u(t) {

for(i=j=0,f=24;f--;i+=d("⛤₫⋙⍨⍀⌶⋮⊹⋾⌡⋿⍌⎚⌁⌉⋲⍓⍏⍗⌲⌚⌞⌮⌭"),j+=d(
"◯⊌⋸⋠⋦⌝⌭⍱⌥⍅⌞⊔⋩⌙⌐⌘⌖⌦⌾⌶⌝⌖⌣⌮"))d=a=>C(t*f)*(a.charCodeAt(f)-9e3)
x.fillRect(i,j,9,9)

Aug 27 2019 2:47 PM UTC

}// 140/140

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jylikangas

function u(t) {

with(x)for(i=1;i++<32;beginPath(fill()))for(j=8;j--;arc(X=960-C(t)*250,X/2,2e3/(i-t*8%2),a=133*j,a))fillStyle=R(v=i%2*64,i*9*S((t%7)**2),v)

Nov 27 2018 4:14 PM UTC

}// 139/140

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There is a light at the end of a tunnel

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BalintCsala

function u(t) {

for(;;)throw Date.now();

Jul 16 2018 12:03 PM UTC

}// 24/140

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u/fujimotos

Many kudos to you! This loop-stopper is quite a good improvement.

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rodrigo.siqueira

remix of d/28265 by u/rodrigo.siqueira

function u(t) {

for(c.width%=W=X=2e3;X--;x.fillRect(X,Y*999,1,W))for(Y=1,k=9;k--;Y-=Math.abs(f(3**k*X/W+S(X/299+Y-t)/5)/3**k))f=n=>n+~n+.5

Aug 9 2023 1:54 PM UTC

}// 122/140

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Moving mountains #mountains

u/joeytwiddle

#waves

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Toby

remix of d/23411 by u/rodrigo.siqueira

function u(t) {

for(x.drawImage(c,S(t*4)*2-40,S(t*3)*2-15,i=2e3,1111);i--;x.fillStyle=`hsl(${i*i*i},100%,${i*i}%)`)x.fillRect(960+i*i*T(t*i),540+S(i)*i,2,2)

Aug 2 2021 1:43 PM UTC

}// 140/140

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Astral voyager freak out

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jylikangas

function u(t) {

for(c.width=250,t*=Y=w=69;Y--;x[f](-w+Y*7-S(t/w)*w,0,7,50+S(Y^w)*9))x[f='fillRect'](w-w/(z=Y)+S((v=Y+t)/w)*z*3,w+w/z,v&4?350/z:0,S(v/9)*3)

Mar 1 2018 9:50 AM UTC

}// 138/140

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OutRun :)

Show more comments…
u/sigveseb

Yeeees!
u/joeytwiddle

Whoa nice :D
u/Renaud___

wow
u/zanella

Just the road and the skyline effects alone are awesome. Dwitter is getting more and more awesome. :)
u/artfarnaa

thanks Jyklikangas. Your dwits are very motivating.
u/TheGreatRambler

Really nice!
u/aleamb

#road

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Jezza

function u(t) {

c.width=80;with(Math)for(Y=45;Y--;)for(X=80;X--;)x.fillStyle=`hsl(${(atan2(C(X/PI),S(Y/PI))/PI+t/4)*180},99%,50%)`,x.fillRect(X,Y,1,1)

Mar 27 2019 3:45 AM UTC

}// 134/140

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Just messing around

u/Xen

Nice!

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jasnh

function u(t) {

p=[],F=(a)=>x.fillRect(a%190*10,(a/190|0)*10,10,10) 
for(f=d=i=1;f?1:f=d=i;i++,f--)(p[i]=!p[i-d])?F(i):0

Oct 13 2022 8:01 PM UTC

}// 104/140

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Interesting, though not what I actually wanted

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stiaje

function u(t) {

x.strokeStyle=R((t*50)%255,C(t/1)*255,99+99*S(t),.3);for(i=0;i++<20;)x.rotate(.1),x.beginPath(),x.moveTo(0,0),x.lineTo(3e3,0),x.stroke();

Feb 22 2016 5:39 PM UTC

}// 137/140

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fabiovenni

function u(t) {

for(i=0;i<2000;i++){x.fillStyle=R(Math.random()*(255),Math.random()*(255),Math.random()*(255),1;x.fillRect(i*4, 0, 200, 1000);}

Feb 23 2017 1:53 PM UTC

}// 127/140

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u/ximavus

1000th dweet!
u/ximavus

btw golfed to 94 chars: z=Math.random for(i=2e3;i--;){x.fillStyle=R(z()*255,z()*255,z()*255);x.fillRect(i*4,0,9,1e3);}