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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robbyg

remix of d/15743 by u/katkip

function u(t) {

c.width|=0
for(Y=13;Y--;)for(X=12;X--;)x.fill(new Path2D(`M${X*180-40} ${Y*90-30+S(X*C(t)+Y*S(t))*3}l90,45,l-90,45l-90-45z`))

Sep 20 2019 2:01 PM UTC

}// 125/140

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Unpacked and simplified (for better or worse)

u/robbyg

#path2d
u/katkip

good idea

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rodrigo.siqueira

remix of d/32387 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(x.reset(i=2e4);i--;)x.fillRect(X=960+S(k=i/180-S(i*i)*.5-t/4)*i/28,Y=540+C(k+S(t*5+k*k/3e3)/9)*i/45,5,2)

Sep 9 2024 9:56 PM UTC

}// 133/140

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Rotating moving surface spiral #spiral

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rodrigo.siqueira

remix of d/28596 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`sepia(`
for(a=b=t,i=2e4;i--;a+=(r=i*t/b&1)/5+b*S(a*2.1+r/4)/5,b+=C(a*4-r)*1.3-b/4.7)x.fillRect(1e4-a*6e3,3e3-b*500-300,.1,1)

Oct 3 2023 12:50 AM UTC

}// 140/140

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Santiago Ramón y Cajal drawing of the nervous system #neural #fractal

u/UEZ

#cracks

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danielwdunn

remix of d/7272 by u/Batrachus

function u(t) {

d=700
for(c.width+=i=0;i<d;){X=S(9*i)
Z=C(55*i)
B=(2-Z*C(t)+X*S(t))/d
x.fillRect(d+(X*C(t)+Z*S(t))/B,d+C(9*i++)/B,.1/B,.043/B)}

May 2 2018 1:20 AM UTC

}// 127/140

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joeytwiddle

remix of d/3632 by u/joeytwiddle

function u(t) {

for(r=Math.random,w=350,i=4e3;i--;x.fillRect(c?4*w+a*C(p):500+S(w*p)*a,c?40+2*a+a/3*S(p):700+C(w*p)*a,k=2/(5+t),k))a=w*r()**.4,p=3*r(),c=i&1

Dec 14 2017 3:28 PM UTC

}// 140/140

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Plato's meditation room

u/joeytwiddle

But which one does he sit on?
u/BirdsTweetCodersDweet

Obviously the cone...
u/joeytwiddle

What I was really going for: https://js1k.com/2017-magic/demo/2648
u/joeytwiddle

#stochastic #scene

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mmastrac

function u(t) {

x.font='100px a',r=x=>Math.random()*2e3-100;x.fillStyle=`hsl(${C(t/3+2)**3*360},80%,50%)`;for(i=500;i--;){x.fillText("✕",r(),r());}

Oct 12 2017 5:08 AM UTC

}// 131/140

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sgruenwald

remix of d/15279 by u/Xen

function u(t) {

x.strokeRect(!x.rotate(C(t)-t/1e2),24,t*2,t*59)

Aug 6 2019 12:07 AM UTC

}// 47/140

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Icicle Rays

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KilledByAPixel

remix of d/15051 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󪜽󜬴󜌊󩭯󬬨󠬽󭌿󦼮󛬮󠝝󞭁󟝛󩌽󡍡󭍥󛭮󫽷󚍺󟜲󝜶󚝝󞽩󛜭󞽸󛭦󪝬󫍒󩝣󭌨󪜪󞌬󭌪󝬰󚬸󛌸󛌸󛍸󛭦󪝬󫍓󭍹󫍥󟝒󚍡󚭺󛍁󦽩󚽺󧜪󮬬󠝛󪜫󮬪󜭝󚭺󚜩󚝦󫽲󚍪󟜳󞽪󛜭󞼩󨜽󠝛󬜽󪜫󮬪󪭝󟝴󟽓󚍤󚽪󚭪󚜪󜝥󝜦󜬪󚬨󝌪󘜡󠭛󬜭󜝝󚼲󚬡󘝂󦽱󧜫󘜡󠭛󬜫󜝝󚜺󪜽󟜱󜬰`.replace(/u../g,'')))

Dec 27 2021 5:58 PM UTC

}// 140/140

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RBG Elementary Automaton - Tribute to https://www.fxhash.xyz/generative/slug/rgb-e… #Automaton

u/KilledByAPixel

Different every time, reload to see a new one!
u/KilledByAPixel

#fxhash
u/KilledByAPixel

original: https://www.fxhash.xyz/generative/slug/rgb-e…

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sdavey

remix of d/5689 by u/DirtyDan

function u(t) {

p=3*2
a=960
b=535
c.width=a*2
for(i=0;i<a;i+=20)for(j=0;j<b;j+=10)
x.fillRect(+a/7*S((y=i/a*p)+S(t/j))*(z=T(j)^2*t),b+b**S(j)*T(y+t),9,t)

Mar 1 2019 11:21 PM UTC

}// 137/140

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rodrigo.siqueira

remix of d/32974 by u/rodrigo.siqueira

function u(t) {

X=Y=0
G=_=>S(Y)/4+9*X*X/(.3+X**6)-X*.7
for(I=3e4;I--;x.fillRect(950+X*12,530+Y*16,.2,t<1))Z=X*1-1.3,X=Y+G()+Y/180-Y**3/2e4,Y=G()+S(t)/35-Z

Dec 23 2024 2:38 AM UTC

}// 138/140

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Sea wheel