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

Please log in (or register) to post a dweet (copy-paste the code somewhere safe to save it meanwhile)


    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

show FPS hide FPS share fullscreen

rodrigo.siqueira

remix of d/12369 by u/ETHproductions

function u(t) {

c.width&=q=-6;for(x.translate(960,540);q++;x.rotate(20.106))for(i=p=99;p+i--;p*=-1){x.fillRect(C(i/2)*C(i/62)*p,S(t)*99+i*S(t/2)*4,6,4)}

Feb 16 2019 3:14 PM UTC

}// 136/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Star mandala

u/joeytwiddle

Pretty! #flower

show FPS hide FPS share fullscreen

rodrigo.siqueira

remix of d/12018 by u/rodrigo.siqueira

function u(t) {

a=b=t;s=2e3;x.globalAlpha=.2;for(i=s;--i;)x.fillStyle=R(a*i,9,i*b/6),
x.fillRect(1100+a*s,b*s,2,2),a=.2+.1*S(2*b)+C(2*a),b=S(a/5)+C(b)*t/12

Jan 31 2019 6:44 PM UTC

}// 139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Bifurcation over chaotic maps. Feigenbaum constant may hide somewhere. #fractal

u/rodrigo.siqueira

#bifurcation

show FPS hide FPS share fullscreen

rodrigo.siqueira

remix of d/36145 by u/rodrigo.siqueira

function u(t) {

for(m=400;m--;x.stroke())i=m&95,x.beginPath(x.strokeStyle=`hsl(${m/9},99%,${m/4*C(z=t/3-i)}%`),x.arc(S(z)*m+960,800-C(z)*m,199+i/t,0,7)

Aug 22 2026 3:06 PM UTC

}// 135/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Inner rotation

show FPS hide FPS share 1 remix fullscreen

rodrigo.siqueira

function u(t) {

c.width|=c.style.filter=`invert(`
for(i=500;i--;)with(x)beginPath(),arc(960+2e3*(z=.92**(i-t*50))*C(a=i*i+t),i+450+1e3*z*S(a),5,0,8),fill()

Aug 12 2026 7:36 PM UTC

}// 139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Until the last particle

u/jpthinker

It looks like a sparkler!

show FPS hide FPS share fullscreen

rodrigo.siqueira

remix of d/36081 by u/KilledByAPixel

function u(t) {

x.globalAlpha=.02
for(i=w=2e3;i--;x.fillRect(X=960+C(a=(j+t*180)**2-t/3)*r,Y=800+S(a)*r/2-j/3,z=r/9,r),x.clearRect(X,Y,z/=9,z))j=w-i,r=j*j/w

Aug 4 2026 2:31 PM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Vortex hole

show FPS hide FPS share 2 remixes fullscreen

rodrigo.siqueira

remix of d/36069 by u/erin

function u(t) {

c.width|=c.style.filter=`invert(`
for(i=900;i--;)with(x)beginPath(),arc(960+2e3*(z=.994**(i-t))*C(a=i/9+t*7),i+240+1e3*z*S(a),8,0,8),fill()

Aug 3 2026 1:33 AM UTC

}// 139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Illusion Vortex #spiral

show FPS hide FPS share 1 remix fullscreen

rodrigo.siqueira

remix of d/35580 by u/rodrigo.siqueira

function u(t) {

for(X=Y=i=4e4;i--;x.fillRect(Y*260+960,920-X*480,t<1,.1))u=X-1.01,r=(u*u+Y*Y)**.5,s=T(i*i/t)<2||-1,X=s*(r+u)/3+S(X),Y=s*(r-u)**.7*(Y<0||-1)

Jun 14 2026 11:38 PM UTC

}// 139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Ciliated double spiral

show FPS hide FPS share 2 remixes fullscreen

rodrigo.siqueira

remix of d/35560 by u/rodrigo.siqueira

function u(t) {

for(X=Y=i=3e4;i--;x.fillRect(Y*110+960,X*250+380,t<1,.1))u=X%1*2,r=(u*u+Y*Y)**.5,s=S(i*i/t)<.8||-1,X=s*(r+u)/4+S(X),Y=s*(r-u)**.7*(Y<0||-1)

Jun 11 2026 1:00 AM UTC

}// 139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Bioform: Fractal Mosquito

u/UEZ

#bug
u/vain

absolutely incredible und beeindruckendI have no idea how you managed to turn such a detailed and impressive Mosquito into code. It's genuinely mind-blowing. Wow! ❤️👍

show FPS hide FPS share 2 remixes fullscreen

rodrigo.siqueira

remix of d/35349 by u/rodrigo.siqueira

function u(t) {

for(i=50;i--;f(i,t,540))f=(X,Y,n)=>n--&&(f(1+.9*(X*C(Z=.3/(X*X+Y*Y-.1)+2)-Y*S(Z)),X*S(Z)+Y*C(Z),n),x.fillRect(X*740+510,710-Y*530,t<3,.1))

May 7 2026 4:12 PM UTC

}// 138/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Triple attractor

show FPS hide FPS share fullscreen

rodrigo.siqueira

remix of d/35144 by u/rodrigo.siqueira

function u(t) {

c.width|=c.style.filter=`invert(`
for(𝕏=X=Y=i=1e4;i--;𝕏=X,x.fillRect(Y*2e3+960,X*2500-320,2,3))X=X*X-Y*Y+.27,Y=S(2*𝕏*Y+S(i/7+S(i-t)%.9)/9)

Apr 23 2026 2:13 AM UTC

}// 138/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Particle flow

u/gennadiy

Зачем много где артхаусный 3D ретрофутуристический мультфильм "Фунтик"?

dwitter.net | rodrigo.siqueira (20351)