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.

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Current theme challenge: #Food

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rodrigo.siqueira

remix of d/13690 by u/rodrigo.siqueira

function u(t) {

for(c.width|=w=950,i=2e3;i--;)X=3*C(U=i/3)+C(V=1e6/U)*C(t),Y=(2+S(U*3+t))*S(U+t)-3,Z=S(U*2+t*9)-C(t*4)-6,x.lineTo(w+w*X/Z,w*Y/Z)
x.stroke()

Dec 4 2019 2:21 PM UTC

}// 139/140

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Dancing fiber ribbon

u/katkip

smooth
u/Xen

Very smooth

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rodrigo.siqueira

remix of d/16426 by u/rodrigo.siqueira

function u(t) {

for(i=340;--i;x.fillRect(960+S(m*m*m)*q*(t%3),200+i+(t%2)*C(m*m)*q,m,m))m=i/9+80*(t%3),q=1e5/i,x.fillStyle=R((t%2)*i*i/150,(t%1)*i*i/480)

Nov 19 2019 1:42 AM UTC

}// 137/140

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Volcano strikes again 🌋

u/Xen

sexy magma!

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rodrigo.siqueira

remix of d/16152 by u/New_Core

function u(t) {

for(I=1080;I--;)for(var k=13,b=t/k;k--;x.fillStyle=R(b*120,b*b*14,9,.1),b>0&&x.fillRect(t*200%1920,I,40,1))b=C(I/1e3+b*C(b*b/2)+4)*b-2.8

Oct 17 2019 8:00 PM UTC

}// 136/140

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Sequoia wood (eternal loop)

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rodrigo.siqueira

remix of d/12001 by u/thorbear

function u(t) {

X=t/6;Y=2;s=999;x.globalAlpha=.05;for(i=3e3;i--;)
Y=1.66-2*(.1*X-S(1.2*Y)),
x.fillRect(X*s,Y*s-700,3,3)

Jan 31 2019 2:25 PM UTC

}// 103/140

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Bifurcation diagram attractor of the logistic map. xₙ₊₁ = r * xₙ(1-xₙ). Bifurcation diagrams enable the visualization of bifurcation theory. #fractal

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rodrigo.siqueira

function u(t) {

c.width^=1
x.font="3in'"
c.style.background=`linear-gradient(#26a,#fff,#242)`
for(i=0;i<8;i++)x.fillText('🗿', 270+i*160+S(t)*200,650,200)

Dec 17 2018 12:10 PM UTC

}// 137/140

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Moai statues

u/joeytwiddle

#default

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rodrigo.siqueira

remix of d/35351 by u/rodrigo.siqueira

function u(t) {

for(i=99;i--;f(i,t,160))f=(X,Y,n)=>n--&&(Z=2-.1/(X*X+Y*Y),f(1+X*C(Z)-Y*S(Z),.9*X*S(Z)+Y*C(Z)/2,n),x.fillRect(X*4e3-1055,Y*5e3-1490,t<4,.2))

May 10 2026 2:50 PM UTC

}// 139/140

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Organic Spiral #spiral

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rodrigo.siqueira

remix of d/34746 by u/rodrigo.siqueira

function u(t) {

x.reset()
for(i=651;i--;)
for(j=16;j--;x.fillRect(960+S(k=i/69.08*4/3)*r,540+C(k)*r,4,4))r=410-12*j+19*C(i/17.27-j/9)*(-2+S(t*3+S(j/2+t*5)))

Apr 28 2026 2:17 AM UTC

}// 140/140

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Animated object

u/Agmerboi

awsome
u/Agmerboi

awsome

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rodrigo.siqueira

remix of d/34910 by u/rodrigo.siqueira

function u(t) {

c.style.filter='invert()sepia('
for(i=1e4;i--;x.fillRect(960+X*20,540-Y*50,t<3,.1))F=i%(32/t),
X=F*S(k=i/t)-F*S(K=k/1.1)*2,Y=F*C(K+S(K))

Mar 24 2026 1:54 PM UTC

}// 136/140

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Light at the end of the tunnel #train

u/cantelope

nice

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rodrigo.siqueira

remix of d/35002 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(1)sepia(.6`
for(a=b=t,i=4e4;i--;b-=S(b/2.4)/1.3-C(a*4+3),a=(i/b&i%2)/8-b*a/2)x.fillRect(a*1e4-1800,b*1740+4e3,.1,t<3)

Mar 23 2026 2:17 PM UTC

}// 140/140

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Complex organic structure

u/ximavus

#sponge
u/magna

Whoa!

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rodrigo.siqueira

remix of d/18597 by u/pavel

function u(t) {

with(x)for(k=i=666;i--;fillRect(~setTransform(s=1e4/i,0,0,4*s,k-i+8*s*C(a=i+60),k+8*s*S(a)/(1.5-S(t*3)/7)),~rotate(T(a)),2,2))fillStyle=R(i)

Mar 12 2026 1:38 PM UTC

}// 140/140

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Jaws of Hell

u/cantelope

hahaha
u/mathisvdr

i can't find the remix button bro
u/Axioplase

@mathisvdr You just modify an existing dweet's code in place, and if you publish it, it'll publish a remix.

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