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/34657 by u/rodrigo.siqueira

function u(t) {

x.fillRect(x.globalAlpha=.06,0,2e3,2e3)
for(i=999;i--;)for(j=20;j--;x.clearRect(960+C(k=i/99+t)*r,S(k)*r/4+j*46+50,5,.3))r=j**(S(i+j)+3)/j/j

Dec 30 2025 9:38 PM UTC

}// 140/140

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Rotating discs #tree

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rodrigo.siqueira

remix of d/34642 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+8*Y+8*X,510-20*(X-Y),.1,1))X=Y*.9988-((Y=9-X)<X?X-X/2:X*S(t))+Y

Dec 24 2025 11:24 PM UTC

}// 139/140

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Star of Light #christmas

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rodrigo.siqueira

remix of d/34619 by u/rodrigo.siqueira

function u(t) {

for(𝕏=X=Y=i=3e4;i--;𝕏=X,x.fillRect(Y*1300+960,-X*1190+250,t<1,.1))
X=S(1.7*X*X-Y*Y)-.496,Y=(𝕏*Y*2+C(𝕏/2+i/1.0018+S(i+t)*1.1)/4)

Dec 18 2025 1:09 PM UTC

}// 127/140

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2 symmetrical forms

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rodrigo.siqueira

remix of d/34578 by u/rodrigo.siqueira

function u(t) {

t?c.style.filter=`invert()sepia(.4)`:𝕏=X=Y=0
for(i=2e4;i--;𝕏=X,x.fillRect(X*1e3+610,Y*820+780,t<2,.1))X=T(Y*Y-X*X*.8)+.297,Y=C(2*𝕏*Y+2.33)

Dec 4 2025 7:12 PM UTC

}// 138/140

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Nebular attractor #spiral

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rodrigo.siqueira

remix of d/34549 by u/rodrigo.siqueira

function u(t) {

t?c.style.filter=`invert()sepia(`:𝕏=X=Y=0
for(i=3e4;i--;𝕏=X,x.fillRect(X*3e3-630,Y*4e3+820,t<2,.1))X=(X*X-Y*Y*.3)%.8+.27,Y=C(2*𝕏*Y+1.7)

Nov 28 2025 6:17 PM UTC

}// 135/140

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Carnivore attractor

u/magna

RAWR
u/ximavus

rar

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rodrigo.siqueira

remix of d/34543 by u/rodrigo.siqueira

function u(t) {

t?c.style.filter=`invert(`:𝕏=X=Y=0
for(i=3e4;i--;𝕏=X,x.fillRect(Y*3e3+1100,X*2e3-540,t<3,.1))X=(X*X-Y*Y*.39)%1+.28,Y=C(2*𝕏*Y+1.92)+1/4

Nov 21 2025 7:57 PM UTC

}// 134/140

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Organic gear attractor

u/ximavus

oh my goodness. its amazing!

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rodrigo.siqueira

remix of d/34288 by u/DazeWare

function u(t) {

for(i=2e3;i--;x.fillRect(i,t*90,.4,z/2))for(z=0,j=9;--j;
z-=+F(Y=S(t/j)*j/3-2-S(z+j)*5+j,X=i/9/j)+Y/5)F=k=>S(Y)*2-S(X)/3+S(X/6)

Sep 14 2025 2:22 PM UTC

}// 127/140

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Details of Suminagashi technique

u/ximavus

Suminagashi means floating ink btw

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rodrigo.siqueira

remix of d/34248 by u/rodrigo.siqueira

function u(t) {

for(x.fillRect(0,0,i=2e4,i),h=540;i--;)l=i**2+t/9,g=S(i)/2,Z=C(l)/g+3+l/(t+.5)**20,s=(6/Z+2)%i,x.clearRect(960+S(l)/g/Z*320,h+C(i)/Z*h,s,s)

Sep 8 2025 10:39 AM UTC

}// 139/140

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Torus formation intro #torus

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rodrigo.siqueira

remix of d/34194 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(i=1e4;i--;x.fillRect(960+X/Z,170+Y/Z,.1,1))r=i/2000+t*3,X=r*S(r+.5)*200,Y=r*C(r)*99+r*r*9,Z=r*(i/t)%.1+6+C(X&Y)

Aug 16 2025 1:24 PM UTC

}// 140/140

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Volumetric spiral generator #spiral

u/Axioplase

Oranginaaaa!
u/cantelope

wow

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rodrigo.siqueira

remix of d/34155 by u/jpthinker

function u(t) {

for(k=i=1472;i--;x.fillRect(i%128*15+8*C(i*t)/t/t,(i>>6)*5+99/t,15,99/t**2-50))x.fillStyle=`hsl(${i/9+t*30},${S(i/t**4)*99}%,${C(i*i)*40}%`

Jul 28 2025 2:19 PM UTC

}// 139/140

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Shimmering gradient reflection

u/jpthinker

WOW! I can't believe my simple gradient rainbow turned into THIS. I am honored. I will study this well. Thank you Rodrigo

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