Top dweets by u/rodrigo.siqueira

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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rodrigo.siqueira

remix of d/10269 by u/katkip

function u(t) {

c.width|=0
x.translate(960,540)
x.rotate(t/100);
for(i=200;i-->0;)x.lineTo(2200,0),x.rotate(3.00007)
x.fill("evenodd")

Nov 18 2018 4:35 PM UTC

}// 118/140

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Singularity in a Geometric Space

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rodrigo.siqueira

remix of d/10433 by u/tomxor

function u(t) {

x.fillRect(0,0,1e4,n=1200)
for(i=3768;i--;) {
I=S(t)>.5?0:i
x.clearRect(
960+340 * S(i/n) * S(i*1.8+t/4),
540+435 * C(i/n)/C(t/i+I)
,4,4)
}

Oct 16 2018 6:02 PM UTC

}// 139/140

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The cocoon

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rodrigo.siqueira

remix of d/35656 by u/rodrigo.siqueira

function u(t) {

for(X=Y=i=4e4;i--;x.fillRect(Y*730+960,X*1200,t<3,.1))r=(X*X+Y*Y)**.5-X,s=T(i*i/t)<2.3||-1,X=s*(r+X*2)/3+S(X)**3*1.2,Y=s*r**.6*(Y<0||-1)

Jun 24 2026 1:13 PM UTC

}// 136/140

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Cthulhu spiral

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rodrigo.siqueira

remix of d/35544 by u/rodrigo.siqueira

function u(t) {

for(X=Y=i=3e4;i--;x.fillRect(Y*110+960,X*210+280,t<1,.1))
u=T(X),r=(u*u+Y*Y)**.5,s=S(i*i/t)<.9||-1,
X=s*(r+u)/3+S(X),Y=s*(r-u)**.7*(Y<0||-1)

Jun 7 2026 9:01 PM UTC

}// 140/140

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Insect with transparent wings

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rodrigo.siqueira

remix of d/35503 by u/rodrigo.siqueira

function u(t) {

for(X=Y=i=4e4;i--;x.fillRect(X*480+480,Y*350+540,t<1,.1))u=X-.4,r=(u*u+Y*Y)**.5,s=S(i*i/t)<.7?1:-.5,X=s*(r+u)/3+S(X),Y=s*(r-u)**.5*(Y<0||-1)

Jun 3 2026 4:06 PM UTC

}// 140/140

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Tracheal mite #attractor

u/neimad

I never thought Dwitter would make me reach for the mind/eye bleach.

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rodrigo.siqueira

remix of d/35462 by u/rodrigo.siqueira

function u(t) {

for(X=Y=i=4e4;i--;x.fillRect(X*640+960,Y*220+540,t<2,.1))u=X,
r=(u*u+Y*Y)**.5,s=S(i*i/t)<.2?1:-1,X=s*(r+u)/3.2,
Y=s*(r-u)**.8*(Y<0?-1:1)

Jun 2 2026 1:33 AM UTC

}// 136/140

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Quasi-complex inverse attractor

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rodrigo.siqueira

remix of d/35403 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
x.fillStyle=R(120,n=X=Y=t)
for(i=8e4;i--;x.fillRect(3e3+Y*4e3,200-X*3e3,t<2,.05))X=S(X*X-Y*Y+.1),Y=C(2*n*Y+2),n=X

May 21 2026 5:26 PM UTC

}// 138/140

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Entanglement

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rodrigo.siqueira

remix of d/35351 by u/rodrigo.siqueira

function u(t) {

for(i=99;i--;f(i,t,900))f=(X,Y,n)=>n--&&(f(1.2+.8*(X*C(Z=1/C(X*X+Y*Y)-6)-Y*S(Z)),X*S(Z)+Y*C(Z),n),x.fillRect(X*500+360,Y*400+550,t<3,.2))

May 15 2026 2:17 PM UTC

}// 137/140

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Marbled paper effect

u/cantelope

don't get me started about marbled paper! half the stores i go to have it on every isle. I can't throw a rock without hitting some marbled paper. my house is stacked with ream after ream of it. towers of marbled paper from floor to ceiling. My clothes, bedding, wallpaper... you guessed it. all marbled paper. great dweet by the way.

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rodrigo.siqueira

remix of d/35036 by u/rodrigo.siqueira

function u(t) {

for(c.width|=X=2e3;X--;x.fillRect(X,Y*1500-1e3+950/(t**9+.5),1,2e3))for(Y=-.5,k=9;k--;Y+=f(3**k*X/2e3)/2**k)f=n=>(n+~n+.5+S(t*2+X/99)/70)**2

Mar 11 2026 8:17 PM UTC

}// 140/140

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Moving fractal mountain #fractal #mountain

u/rodrigo.siqueira

Blancmange curve (Takagi curve)

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rodrigo.siqueira

remix of d/34863 by u/rodrigo.siqueira

function u(t) {

c.style.filter='invert()sepia('
for(i=1e4;i--;x.fillRect(700+X*30,420-Y*70,t<2,.1))F=i%(30/t),
X=F*S(k=i/t)-F*S(K=k/2),Y=-F*C(K)

Feb 5 2026 2:00 PM UTC

}// 128/140

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Antenna #antenna

u/cantelope

these just get better and better :D

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