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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rep_movsd

function u(t) {

for(c.width=-1,Y=0;Y<6;Y+=.05)for(X=0;X<6;X+=.05)A=X+t,B=Y+.3,x.fillStyle=R(0,0,0,(S(B)-S(B*C(A+B))*C(A/B))%.4),x.fillRect(X*60,Y*60,6,6)

Sep 29 2021 10:47 AM UTC

}// 138/140

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Contours

u/donbright

doesn't repeat?
u/rep_movsd

As far as I can tell, no.
u/rep_movsd

It may have a very long period I think
u/Joachim

#noise

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zibx

function u(t) {

eval(unescape(escape`瑼簨愽孰㵛昽ㅥ㌬昬ㄬ㍝崩㭦潲⡪㵩㴴㈻椭ⴻ⥛堬夬䰬䅝㵫㵡孩嵼籰ⱁ⬽匨椫琩ⱖ㵘ⵃ⡁⤪䰬䈽夫匨䄩⩌ⱸ⹭潶敔漨堬天ⱸ⹬楮敔漨嘬䈩ⱍ㵦⽪⽪ⱌ㱍㽫嬲崫㵍⽪⭩㩡孩崽慛樫⬥橝㵛嘬䈬〬䅝㭸⹳瑲潫攨⤻`.replace(/u(..)/g,"$1%")))

Jul 26 2019 11:23 AM UTC

}// 138/140

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#bionics #plant #curving

u/zibx

Uncompressed code:
u/zibx

t||(a=[p=[f=1e3,f,1,3]]);for(j=i=42;i--;)[X,Y,L,A]=k=a[i]||p,A+=S(i+t),V=X-C(A)*L,B=Y+S(A)*L,x.moveTo(X,Y),x.lineTo(V,B),M=f/j/j,L<M?k[2]+=M/j+i:a[i]=a[j++%j]=[V,B,0,A];x.stroke();
u/zibx

By the way — it generates different pictures on each refresh.
u/katkip

it's so beautiful if you #waitforit

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baon

function u(t) {

if(t>2)return;r=_=>Math.random()*256>>0
for(k=0;k<1e4;k++)i=r(),j=r(),a=0,
x.fillStyle=R(i,j,255,1-a),x.fillRect(i*4+450,j*4,4,4)

Nov 23 2023 10:28 AM UTC

}// 129/140

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color mix

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f0rkbm

function u(t) {

c.width^=0;for(j=12;--j;)for(i=32;--i;x.fillRect(i*64-128+14*C(t*3*C(i*j*3)),j*100-99+8*C(t*3*C(j*4)),100,100))x.fillStyle=R(j*i*i/j,0,j*20)

Dec 28 2017 2:35 AM UTC

}// 140/140

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abrilmagenta

function u(t) {

p=3.14
r=t*p/180*S(t)*9
h=400*2
d=S(t)*h
x.strokeStyle=R(0,0,0,.1)
x.moveTo(h+d*C(r),h/2+d*S(r))
x.lineTo(h+d*C(r+p),h+d*S(r+p))
x.stroke()

Nov 8 2017 5:18 PM UTC

}// 139/140

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ai221

function u(t) {

c.width=w=1920
r=3
function s(){return Math.random()}for(i=0;i<w/r;i++)
x.fillRect(i*r,(S(i/((1/(S(t)*t))*100))*100)+540,r,r);

Aug 26 2018 5:54 AM UTC

}// 126/140

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Xen

remix of d/16204 by u/rodrigo.siqueira

function u(t) {

for(i=2e3;i--;x.fillRect(i,1071,8,9))x.fillStyle=R(9,A=i*S(S(i/(69+t))*S(C(t)+C(i/(17-t))*C(t/i*2))),A)
x.drawImage(c,0,-9)

Oct 22 2019 4:18 PM UTC

}// 123/140

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#waitforit

u/joeytwiddle

#shiny Reminds me of steel wire rope

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joeytwiddle

remix of d/11549 by u/joeytwiddle

function u(t) {

for(R=Math.random,i=700;i--;x.fillRect(960+r*C(a),80+y+r/9*S(a),.2,.2))y=896*R(),T=y>768,r=T?30:(y|127)*(y*S(y/300)-2*y%128)/1313,a=9*R()

Dec 25 2019 2:02 PM UTC

}// 137/140

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A quick and dirty Merry #Christmas #tree mix

u/katkip

Awesome!
u/Xen

nicely
u/iverjo

Great!
u/joeytwiddle

I originally felt a little ashamed to post because the distribution of dots is not uniform, hence "dirty", but your kind comments have reminded me that nobody really cares. Indeed, bugs like this can even give an image more character than perfection would. Thanks! 🙏

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rodrigo.siqueira

remix of d/31844 by u/rodrigo.siqueira

function u(t) {

c.style.background=`#fc0`
for(c.width=i=1920;i--;x.fillRect(960+k*S(t+S(k/99)*8)*4,300+C(t+k/9)*68-k*9,5,k))x.fillStyle=R(k=i/9,1,1)

May 23 2024 12:09 PM UTC

}// 132/140

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Hidden Cthulhu #tentacle

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Purpzie

remix of d/10505 by u/Purpzie

function u(t) {

for(r=Math.random,i=1e3;i--;x.fillRect(X,Y,25,25))X=r()*2e3,Y=r()*1e3,x.fillStyle=`hsl(${(S(t-X/1e3)+C(t-Y/99))*(S(t)*300)} 99%70%)`

Oct 16 2018 5:08 PM UTC

}// 132/140

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i love messing with coordinate-based color