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

function u(t) {

for(i=470;i--;c.style.filter=`invert(`)
f=t/3%6.28,
X=S(f-4)*i,
Y=C(f-4)*i,
x.fillRect(960+X,540+Y,1,1),
x.fillStyle=R(k=f*45+S(X*Y)*99,k,k)

Feb 14 2022 1:04 AM UTC

}// 140/140

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Noise over the gradient circle. Based on the cover art of the book "Imaginários Tecnocientíficos" (design by Carol Ohashi). Moiré patterns can be seen in the first circle. Wait for the second round to complete.

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rodrigo.siqueira

remix of d/23595 by u/TGY

function u(t) {

c.width|=N=115
for(i=8;i--;)for(j=9;j--;x.lineWidth=3)
x.lineTo(N,i*N+N),x.lineTo(960,60+j*N+S(N*t*i)*15+1),x.lineTo(1920,i*N+N)
x.stroke()

Aug 20 2021 10:55 PM UTC

}// 139/140

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Active 3-Layer Neural Network #neuralnetwork #neural #ai

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rodrigo.siqueira

remix of d/22558 by u/rodrigo.siqueira

function u(t) {

eval(unescape(escape`𢰽𜰮𝐻𮀮𫁩𫡥𥱩𩁴𪀽𜠻𪑦𚀡𭀩𮱦𫱲𚁡🐭𢰻𜀾𨐻𨐫𚰩𩡯𬠨𨠽𛑋𞱢🀽𢰻𨠫𚰩𩡯𬠨𠰽𛑋𞱃🀽𢰻𠰫𚰩𩡯𬠨𦀽𝠸𜀻𦀭𛐻𚑙🐨𜐲𜀪𠰫𨐪𚁘𛐳𝀰𚐩𛱢𚠱𛠵𛁁🐱𛠷𚡘𚰳𞀰𛁂🐵𝀸𚱙𛀶𝰸🁘𙠦𮀮𫑯𭡥𥁯𚁁𛁂𚐬𮀮𫁩𫡥𥁯𚁁𛁂𚐻𮀮𬱴𬡯𪱥𚀩𯐻`.replace(/u../g,'')))

Apr 20 2021 1:08 AM UTC

}// 137/140

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High resolution, vectorial version of Phropase, artwork cover of Computer and Automation Journal (January, 1973 edition). #art

u/rodrigo.siqueira

Source and ungolfed version: https://js.do/rsiqueira/dwitter-phropase

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rodrigo.siqueira

remix of d/21530 by u/KilledByAPixel

function u(t) {

V=X=Y=Z=29
for(i=2e3;i--;x.fillRect(1e3+a*80,b*V+t*Z*V-150,.5,1))a=X-X*t,b=Z-Z*t,Z+=(X*Y-Z)/V,X+=Y/9-X/9,Y+=X*(V-Z)/87,a+=X*t

Feb 1 2021 2:52 AM UTC

}// 125/140

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Lorenz attractor lines #lorenz

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rodrigo.siqueira

remix of d/20948 by u/rodrigo.siqueira

function u(t) {

for(i=1e4;i--;f(0,K=i%2,280,i+t))
f=(w,h,q,d)=>q>99?f(h+q*C(d+3)*(1+K)/2,w+q*S(d),q/2,T(d*d+t*d)/2):
x.fillRect(w+480+930*K,h+510,.4,t<2)

Dec 10 2020 12:14 PM UTC

}// 137/140

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Perspective Double Donuts #torus #donut

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rodrigo.siqueira

remix of d/20515 by u/taupelink

function u(t) {

r=Math.random;for(i=k=60;i--;x.fillRect(k*X,k*Y,K=i/t+2,K))X=r(Y=r()*40-9)*40-8,h=i*S(S(p=X**.32)%C(q=Y-Y*Y/9)*p),x.fillStyle=R(h*6,h*p,h*q)

Nov 8 2020 1:13 AM UTC

}// 140/140

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Eroded layers

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rodrigo.siqueira

remix of d/13702 by u/rodrigo.siqueira

function u(t) {

for(c.width|=w=960,i=4e3;i--;x.lineTo(w+w*X/Z,w*Y/Z+540))
X=(S(V=i/3.1416001))*S(U=V*6e3+t/9)*4,Y=(C(V/U))*S(V*2)*2,Z=C(U)-5-Y/t
x.stroke()

Nov 3 2020 5:09 PM UTC

}// 139/140

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Vector formation object #torus The vectorial version is here https://turtletoy.net/turtle/e35cdc88c1 (to be printed using plotter)

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rodrigo.siqueira

remix of d/19604 by u/rodrigo.siqueira

function u(t) {

for(i=1e4;i--;f(0,0,330/(1+i%2),t*i*i))f=(X,Y,s,r)=>s>1?f(Y+s*C(r),X+s*S(r),s/2,C(r+i)):x.fillRect(X*1.4+830,Y+370,1,.2*(t<4))

Aug 7 2020 8:42 PM UTC

}// 126/140

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Abstract sculpture

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rodrigo.siqueira

remix of d/19163 by u/rodrigo.siqueira

function u(t) {

for(N=940,i=2e3,f=(X,Y,n=0)=>Y?f(X*X-Y*Y,2*X*Y+.8,n+.3):x.fillStyle=R(n*n);i--;x.fillRect(I,J,2,2))J=C(K=i**t)*i+N,I=i*S(K)+N,f(I/N-1,J/N-1)

Jun 16 2020 6:22 PM UTC

}// 140/140

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red black dust #fractal

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rodrigo.siqueira

remix of d/19066 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=(X,Y,n=0)=>Y?f(X*X-Y*Y-.7,2*X*Y+.3,n+1):x.fillStyle=R(S(n)*250);i--;x.fillRect(I,J,3,5))J=i*S(i*t),I=S(J)*i,f(I/480-2.1,J/540-1)

Jun 16 2020 1:51 PM UTC

}// 140/140

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#julia set plot choosing random points

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