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/34749 by u/rodrigo.siqueira

function u(t) {

c.width|=c.style.filter='invert('
for(i=1e4;i--;x.fillRect(960+X*40,540+Y*40,3,3))
F=i%T(i),
X=F*S(v=i/8+t/2)+4*S(i/2),Y=F*C(v)-4*C(i/4-t)

Jan 16 2026 8:14 AM UTC

}// 138/140

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Orbital

u/ximavus

#cobweb

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rodrigo.siqueira

remix of d/34746 by u/rodrigo.siqueira

function u(t) {

c.width|=c.style.filter='invert()'
for(i=1e4;i--;x.fillRect(960+X*120,540+Y*120,3,3))
O=t/2,F=i**.9%10,X=F*S(v=i/2+O)-S(i+O),Y=F*C(v)+C(i-O)

Jan 15 2026 4:08 PM UTC

}// 140/140

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Cosmic funnel #illusion

u/ximavus

this is a triangular funnel? #illusionfunnel

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rodrigo.siqueira

remix of d/12961 by u/rodrigo.siqueira

function u(t) {

c.style.filter='sepia()invert('
c.width|=0
for(i=1e4;i--;x.fillRect(960+X*36,540+Y*36,3,3))X=i%8*S(v=i/8+t)+4*S(i/4+t),Y=i%8*C(v)-4*C(i/4-t)

Jan 14 2026 5:35 PM UTC

}// 140/140

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Rotating line object

u/cantelope

sepia()invert(++
u/ximavus

#illusion

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rodrigo.siqueira

remix of d/34738 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert()sepia(`,X=t,Y=t*99-430;for(i=1e4;--i;x.fillRect(960+1.3*(X+Y),2*(X-Y)-50,.1,t<9))X=210+Y-((Y=-X)<0?X:-X)/2+i%2*400

Jan 12 2026 9:09 PM UTC

}// 138/140

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Poincare's Butterfly

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rodrigo.siqueira

remix of d/34722 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert()`
for(𝕏=X=Y=i=3e4;i--;𝕏=X,x.fillRect(2e3+Y*1700,360-X*1e3,t<1,.1))X=S(X*X-Y*Y*.6),Y=C(2*𝕏*Y+2.1)-T(i-t)/(i%19+1)/8

Jan 12 2026 2:35 AM UTC

}// 138/140

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Metamorphosis

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rodrigo.siqueira

remix of d/34678 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert()sepia(`,X=t,Y=t*99-450;for(i=1e4;--i;x.fillRect(960+5*Y+15*X,5*(X-Y)-Y*X+640,.2,t<4))X=Y*.9993-(((Y=9-X)<0)*X+9)+Y/9

Jan 11 2026 11:40 AM UTC

}// 140/140

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Parabolic space distortion

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rodrigo.siqueira

remix of d/34721 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(𝕏=X=Y=i=4e4;i--;𝕏=X,x.fillRect(Y*1630+960,X*1480,t<2,.1))X=T(X*X-Y*Y)+.3,Y=T(2*𝕏*Y+.1+S(t+i+S(i%2))/2)%.59

Jan 10 2026 2:20 AM UTC

}// 135/140

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Chaos fragmentation #chaos

u/ximavus

Its like glass shattering. I like it!
u/DataMeta

Dope. Reminds me of a radioisotope cloud chamber

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rodrigo.siqueira

remix of d/34626 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert()sepia(`
for(𝕏=X=Y=t,i=3e4;i--;𝕏=X,x.fillRect(Y*2e3+410,X*3e3-910,t<1,.1))X=(X*X-Y*Y*.4)%5+.29,Y=C(2*𝕏*Y+1+i%5/15)+.1

Jan 10 2026 2:05 AM UTC

}// 140/140

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Plant i%5

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rodrigo.siqueira

remix of d/34674 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert()sepia(`,X=t,Y=t*99-450;for(i=1e4;--i;x.fillRect(912+5*Y+25*X,7*(X-Y)+640,.2,t<4))X=Y*.9993-(((Y=9-X)<0)*X+9)+Y/9

Jan 7 2026 2:57 PM UTC

}// 136/140

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Splash of spirals

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rodrigo.siqueira

remix of d/34670 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert()sepia(`,X=t,Y=t*99-450;for(i=1e4;--i;x.fillRect(912+5*Y+5*X,7*(X-Y)+740,.2,t<4))X=Y*.9993-(((Y=9-X)<0)*X+9)+Y/9

Jan 6 2026 2:09 AM UTC

}// 135/140

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Emanation

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