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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katkip

function u(t) {

t||(a=b=1);
for(i=999;i--;){
x.fillRect(a*600-100,b*490-299,2,2)
a+=b*b/2000-a/999-C(t)/9999
b-=a*a/2000-b/1222+S(a-b)/3000*S(t+b)+t/99999
}

Apr 9 2020 11:33 AM UTC

}// 140/140

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testing something

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384.cz

function u(t) {

if(!t){c.width=256
X=Array(200).fill(128)
Y=Array(200).fill(70)
r=Math.random}
for(i=200;i--;)x.fillRect(X[i]+=.5-r(),Y[i]+=.5-r(),r(),.1)

Aug 4 2024 7:12 PM UTC

}// 138/140

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Spreading Virus

u/vain

cool effect - but at the same time scary to think that this is what my incurable cancer could look like, which unfortunately is slowly but surely spreading and seems to be gaining the upper hand.
u/magna

u/vain I'm sorry to hear that
u/384.cz

me too
u/SkibidiHawk

#sigmaboy

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KilledByAPixel

remix of d/24008 by u/KilledByAPixel

function u(t) {

for(c.width|=j=9;j--;)for(i=h=300+C(j)*99|0;--i;x.fillRect(500+99*j+S(t)*300-r*i/8,600+(i%5?i-h:h-i),i/4,2))r=1+S(i*i+j)+S(i%5?0:t+i)-C(t)

Oct 7 2021 5:10 PM UTC

}// 138/140

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Treefault 🌲 #default

u/danny@hille.dk

⚓Way hay and up she rises⚓
u/magna

Ahahah. Thank you for this!
u/magna

#meta
u/KilledByAPixel

you inspired the idea!
u/vain

amazing

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danny@hille.dk

remix of d/24031 by u/danny@hille.dk

function u(t) {

c.width=w=218;for(i=3e4;i--;)x.fillRect(X=i%w,Y=i/w|0,z=C(X/w*25-t*9)/S(Y/w*14-t*9)>1?.8:-.6,z)

Oct 7 2021 4:52 PM UTC

}// 95/140

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Embossed triangles/hexagons remix

u/danny@hille.dk

#hexagon

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23_Skidoo

remix of d/12189 by u/23_Skidoo

function u(t) {

t/=8
for(s=24,d=360,i=4e3;i--;f=C(X/d+t)+S(Y/d+t),x.fillStyle=`hsla(${S(f+t)*d},66%,${45+S(f*81+t*9)*s}%`)x.fillRect(X=i%81*s,Y=i/81*s,s,s)

Feb 6 2019 4:32 AM UTC

}// 139/140

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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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rodrigo.siqueira

remix of d/35453 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert()sepia(.7`,n=X=Y=t
for(i=6e4;i--;x.fillRect(5e3+Y*8e3,X*6e3+1780,t<2,.1))X=S(X*X-Y*Y%.39),Y=C(2*n*Y%.29+1.96),n=X

May 29 2026 6:13 PM UTC

}// 136/140

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Spine

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mildlybean

function u(t) {

with(x)for(c.width|=i=960,translate(i,540),M=m=>fillRect(0,0,1,m?80:200,fillStyle=m?R():'#00f');--i;rotate(1))M(0),M(1),fillRect(400,0,9,9 )

Dec 30 2019 10:41 PM UTC

}// 140/140

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u/tomxor

Aye aye
u/Xen

eyup

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camel_case

function u(t) {

l={}
p=0.01
r+=0.007
for(i=0; i<50; i++){
p+=r*p*(1-p)
l[i%h]=p
for(j=0; j<h; j++){x.fillRect(t*120, 1080-l[j]*540, 2, 2)}
}
}
var r=0,h=6
{

Mar 14 2019 5:50 PM UTC

}// 140/140

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Logistics map with some bifurcation, still trying to figure out how to make it look pretty tho

u/artfarnaa

Nice, though I suggest provide a link to background info on what a logistics map is and what bifurcation does. We newbies need just a tad of hand holding.
u/rodrigo.siqueira

#bifurcation

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Pascal

function u(t) {

c.width|=t?(R+=4/(f=frame*4-7),R-=4/(f+2)):R=0
x.font="99px'",x.fillText("π ≈ "+R,314,628)

Feb 23 2021 5:52 PM UTC

}// 90/140

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π infinite series