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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alice-mx

function u(t) {

c.width=1920
for(i=0;i<480;i++){
x.fillStyle=`hsl(${(i/7.5*t)%360}, 50%, 50%)`
x.fillRect(i*4,540+C(t*S(i))*500,S(t+i)*10,250*S((t*i)/40))
}

Oct 24 2018 3:34 AM UTC

}// 140/140

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danr

remix of d/4263 by u/danr

function u(t) {

w=2e3;for(c.width=i=w;i>=0;i-=11)for(j=0;j<2e3;j+=10){i2=i-w/2;j2=j-540
d=Math.sqrt(i2*i2*+j2*j2)/6
o=9+C(d-t*5)*5
x.fillRect(i,j,o,o)}

Dec 28 2017 3:06 AM UTC

}// 135/140

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rodrigo.siqueira

remix of d/23159 by u/rodrigo.siqueira

function u(t) {

for(a=b=i=2e4;i--;x.fillRect(960+230*a,565+290*b,.1,t<2))
S(r=i**8)>0?(a=S(i**3)*3,b=C(r*t)*3):b=C(a)-(a=a/3-S(b)*1.2)/4
x.fillStyle=R(99)

Jun 28 2021 1:33 PM UTC

}// 138/140

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Hassan Massoudy style

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rodrigo.siqueira

remix of d/34882 by u/rodrigo.siqueira

function u(t) {

c.style.filter='invert('
for(i=650;i--;x.fillRect(530+i%25*36,90+(i/25|0)*36,7,7))
x.fillStyle=`hsl(${330},50%,${99-S(i**3+t)**3*80}%)`

Feb 16 2026 10:44 PM UTC

}// 135/140

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Blinking green dots array

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rodrigo.siqueira

function u(t) {

for(i=8e3;i--;)x.fillRect(940+C(a=i/2|t*60)*t*130,540+S(a)*t*130,w=.2+(t>1)*t/2,w)

Sep 22 2024 10:37 PM UTC

}// 82/140

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Code patterns

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KilledByAPixel

function u(t) {

f=frame
r=f*99
for(i=k=r>>4<<1;f<6&&i--;x.fill())for(x.beginPath(j=4);j--;)x.arc(960+r*S(a=i/k*710),540+r*C(a),28,b=j*33+95+(f%2*2-1)/3-a,b)

Feb 19 2026 8:00 PM UTC

}// 140/140

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False Spiral Illusion 🌀

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username

remix of d/6634 by u/New_Core

function u(t) {

for(c.width|=f=i=6e2;i--;x.fillRect(M.min(1870,M.max(0,960+f*S(i)+800*S(t))),M.min(1e3,M.max(0,540+f*C(i)-f*C(t))),9,9))M=Math

Sep 29 2019 10:22 PM UTC

}// 126/140

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hugging the wall

u/username

u/Xen u/New_Core
u/username

#randomremix no 29
u/Xen

oi oi, nicely done
u/aleamb

wow! amazing and stylish

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jellyedwards

remix of d/17743 by u/rodrigo.siqueira

function u(t) {

c.width|=0
for(i=20;i--;)
for(X=-5;X<=5;X+=.05)
ψ=(1-X**2)*3**-(X**2/2)*S((i+t*20)/4)+.5,x.fillRect((X+5)*140+i*30,i*40+400-ψ*300,4,4)

Feb 25 2020 7:46 AM UTC

}// 134/140

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Different animation

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rodrigo.siqueira

remix of d/35063 by u/rodrigo.siqueira

function u(t) {

for(x.fillRect(0,0,n=4e3,n);n--;x.fillRect(960+a*C(k=n*t/999),540+a*S(k+T(a)/99),w=a/40,w),x.fillStyle=`hsl(${t*9-n/35},99%,${n&&50}%`)a=n/3

Mar 17 2026 1:01 AM UTC

}// 140/140

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Spiral formation #spiral

u/joeytwiddle

A spiral with diagonal elements. I have met this phenomenon before (d/8413) but never understood it.

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Xen

remix of d/21726 by u/rodrigo.siqueira

function u(t) {

for(c.width=i=1e3;i--;x.arc(500,300,i,K=i**(1.01+t/3e2),K));x.stroke()

Feb 21 2021 2:01 PM UTC

}// 70/140

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quick play