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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JuliSC

remix of d/5817 by u/BackendForth

function u(t) {

if(!t)a=Array(256).fill(0)
for(i=0;i<256;i++){
a[i]+=8*Math.random()-4
x.fillStyle=R(i,0,0)
x.fillRect(t*5*21%1920,a[i]+300*S(t)+540,90,90)}

Mar 24 2021 12:37 PM UTC

}// 140/140

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@raman

function u(t) {

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

Dec 27 2017 6:21 AM UTC

}// 126/140

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Dalton

function u(t) {

c.width=1920;
var ctx = c.getContext("2d"); ctx.font = "200px Monospace"; ctx.fillText("Hello, World!",200,600);

Feb 27 2017 12:31 AM UTC

}// 112/140

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u/donbright

golfable to 72 : m=200;c.width=m*10;x.font=m+'px Mono'; x.fillText('Hello, World!',m,m*3)
u/iverjo

Just "Mono" doesn't work on my computer (Windows). Need to type the whole word: Monospace
u/iverjo

That said, here's a 64 character version: t||(x.font='200px Monospace',x.fillText('Hello World!',200,600))

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Tekmap

remix of d/23070 by u/Tekmap

function u(t) {

with(x)for(c.width|=i=1e3;i--;beginPath())fillStyle='hsla('+i+',99%,50%,10%',x.arc(T(t+i/36)*i+960,S(t*2+i/144)*i+540,i/9+2,0,7),fill()

Jun 9 2021 12:28 AM UTC

}// 135/140

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Flux

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rodrigo.siqueira

remix of d/28593 by u/rodrigo.siqueira

function u(t) {

for(a=b=t,i=8e4;i--;a+=(r=i*t/b&1)/6+b*S(a*2.11)/5,b+=C(a*4.9-r)*1.21-b/4.7,x.fillStyle=R(70,r*99))x.fillRect(9e3-a*5100,3e3-b*900+1e3,.1,1)

Oct 3 2023 12:41 AM UTC

}// 140/140

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Dual color #plant

u/magna

Oooh, getting fancy!

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rodrigo.siqueira

remix of d/27866 by u/@noel

function u(t) {

for(w=j=241;j--;)for(i=y=j/w;i<w;i++)k=2*i/w-1,d=k*k+y*y,z=w*C(k)/d+t*w^(w*S(k)/d+t*w),x.fillStyle=R(z&w,0,9/d),x.fillRect(i*8-8,j*4.5,8,4)

Jun 1 2023 7:36 PM UTC

}// 139/140

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Rotating #tunnel

u/deobfuscate

A light to the dweetverse.
u/Joachim

u/@noel you're able to delete comments on beta.dwitter.net if you log in :)
u/@noel

u/Joachim Thanks. I didn't notice that I wasn't logged in.

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f8f82804

remix of d/10325 by u/f8f82804

function u(t) {

c.width=640;for(i=9;i--||x.stroke();x.lineTo(320+280*S(b=t+Math.atan2(a(2),a(4)))/(Z=3+C(b)),99+22*a(1)/Z))a=x=>((j=i&7)/2^j)&x?9:-9

Oct 12 2018 4:01 AM UTC

}// 132/140

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#golf #cube #perspective #d3

u/f8f82804

#wireframe

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katkip

remix of d/4211 by u/derycke_s

function u(t) {

m=Math.floor(t)%100;var z=new Image;s="http://thecatapi.com/api/images/get?format=src&",z.src=s.concat(m),x.drawImage(z,0,0);

Jul 31 2018 8:46 PM UTC

}// 125/140

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u/lionleaf

Heh, nice one. This will probably stop working at some point, but I'll leave it up as a proof of concept of external resources. And because I like random cat pictures.
u/lionleaf

#cheat #external <--- making it easy for myself to find this in the future

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rodrigo.siqueira

remix of d/25351 by u/rodrigo.siqueira

function u(t) {

f=(x,y,n=1)=>y<X/S(y)**2?f(T(x)**2-y*S(y)-.2,2*y*x+.7,n+1):S(n/9)**2
for(i=2e4;i--;x.fillRect(X=u&2047,u>>11,f(X/650-1.5,u/8e5-1.4),1))u=-~u

Apr 22 2022 3:10 AM UTC

}// 140/140

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Spiral formation #fractal #spiral

u/donbright

dude

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Flopster

remix of d/4715 by u/TylerCross

function u(t) {

c.width|=y=0
j=300
for(;y<11;y++)for(i=j;i--;)x.fillStyle=R(0,9,y%2*j),x.fillRect(i*10,j+y*y*10.5+(C(i*0.5/y-t*2+y)+S(t-(y*y)/15))*y*10,8,j)

Dec 29 2017 9:02 PM UTC

}// 140/140

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u/jaemiejaemie

change that one 9 in the fillRect to a 8 and you get seamless waves! pretty!
u/Galaxtone

I don't see a nine.
u/Galaxtone

Also i had to change the 9,j) to a 10,j) at the end so that it looked correct.