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: #Opposites

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rodrigo.siqueira

remix of d/17477 by u/KilledByAPixel

function u(t) {

v=(a,b,Φ,r)=>{for(i=~r;i++;x.fillStyle=R(r,r/2))x.fillRect(a+=S(Φ),b-=C(Φ),3,2)
r>9&&v(a,b,S(r),r*=.4)&v(a,b,Φ,r)}
v(239*~~t,1e3,0,t%2*200)

Feb 4 2020 7:01 PM UTC

}// 139/140

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Autumn Woods #tree #growth

u/katkip

Wow

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rodrigo.siqueira

remix of d/15961 by u/keithclark

function u(t) {

for(k=i=1e3;z=--i/8;x.fillRect(k+S(m=k*j^k)*r-z*C(j)*8,440+C(m)*r*(1+C(t*9)/3)+z*4,s=5e3/z,s))j=i/k+t,r=1e4/z,x.fillStyle=R(90+S(j*7)*70)

Nov 29 2019 11:58 AM UTC

}// 137/140

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Hole to Hell #tunnel

u/katkip

what does antman see when travelling in thanos butt

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rodrigo.siqueira

remix of d/14479 by u/rodrigo.siqueira

function u(t) {

v=(a,b,Φ,r)=>{for(i=~r;i++;)x.fillRect(a-=S(Φ),b-=C(Φ),r/70,.6)
while(r>8)v(a,b,Φ+S(b)/3,r*=.7)}
v(~~t*177%2e3,1e3-t*20,0,99*(t%(K=3-t/25)))

Oct 23 2019 3:08 PM UTC

}// 140/140

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Crop Growth #organic #fractal #tree #plant

u/Xen

nice
u/joeytwiddle

Look like slithy toves to me

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rodrigo.siqueira

remix of d/4665 by u/ben

function u(t) {

v=(a,b,Φ,r)=>{for(i=~r;i++;x.fillStyle=R(0,Φ*30))x.fillRect(a+=S(Φ),b-=C(Φ),r/30,1)
while(r>3)v(a,b,Φ+S(b)/4+.4,r*=.72)}
v(t*2e4,1450,t,490)

Jun 5 2019 3:02 PM UTC

}// 140/140

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Windy garden #fractal #tree

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rodrigo.siqueira

function u(t) {

c.width|=σ=(X)=>{return 1/(1+Math.pow(Math.E,-X))}
for(i=-500;i<500;i++)
x.fillRect(i+950,820-σ(i/30*C(t*2)+Math.random()*2)*400,5,5)

Mar 4 2019 8:41 PM UTC

}// 133/140

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Sigmoid activation function used in Artificial Neural Networks. Animation shows changes of neural weights plus a random bias.

u/pavel

I often use sigmoids for movement. The ease-out / ease-in looks great. I used 1/(1+1e9**(.5-t%1)) in d/11146 for the 'jumps'.
u/katkip

#sigmoid #math
u/katkip

also #ai
u/rodrigo.siqueira

also #neural

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rodrigo.siqueira

remix of d/11063 by u/pavel

function u(t) {

with(x)for(i=24;--i;fill())for(beginPath(n=k=i+2);k--;arc(960,540,50*i,a=3.14*(4*k+t)/(n),a))fillStyle=R(a=(1-i/9)*300,a*S(t),a*C(t/2))

Nov 19 2018 1:37 AM UTC

}// 135/140

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Polygon Polycolor

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rodrigo.siqueira

function u(t) {

x.fillRect(x.globalAlpha=.03,0,2e3,2e3)
for(i=700;i--;x.clearRect(960+C(t)*100+S(t)*420+S(i)*r,540+C(i)*r,4,3))r=480*Math.random()*S(t)**8

Oct 13 2018 11:22 PM UTC

}// 138/140

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Pulstar (pulsating stars)

u/magna

Remix of d/8947

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rodrigo.siqueira

remix of d/32997 by u/rodrigo.siqueira

function u(t) {

for(x.fillRect(0,0,i=2e3,i*!t);i--;x.clearRect(960+S(i)*z*i/t,99+S(i)*z*k,w=k%2,w))k=T(i/t)*i,z=k%5*k,x.clearRect(960+z*S(i),k+k*9,1,1+.2/t)

Dec 26 2024 9:54 PM UTC

}// 140/140

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Illuminati #pyramid #light 👁⃤

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rodrigo.siqueira

remix of d/32969 by u/rodrigo.siqueira

function u(t) {

X=Y=0
G=_=>S(Y)/4+9*X*X/(.4+X**6)-X*.7
for(I=3e4;I--;x.fillRect(950+X*12,530+Y*16,.2,t<1))Z=X+1,X=Y+G()+Y/70-Y**3/2e4,Y=G()+S(t)/35-Z

Dec 21 2024 4:22 PM UTC

}// 133/140

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8-Fold Symmetry (with curved lines)

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rodrigo.siqueira

function u(t) {

eval(unescape(escape`𨰮𬱴𮑬𩐽𙱦𪑬𭁥𬠺𪑮𭡥𬡴𚀧𒡦𫱲𚁡👢👴𛁩🐱𩐴𞱩𛐭𞱢𚰽𠰨𨐪𜰩𛰵𛑡𚡢𛰳𛁡𚰽𬠪𛠲𚱢𚡓𚁡𚠴𛑢𛰸𚱲𚠴𚐯𝠭𛠳𚡡𚑩𙠲𙠦𚁲👩𛱢𙠱𚐬𮀮𩡩𫁬𤡥𨱴𚁡𚠵𜐰𜀭𞐷𜀬𨠪𜐸𜀰𛐷𜀰𛀮𜐬𭀼𛠴𚐬𮀮𩡩𫁬𤱴𮑬𩐽𤠨𜠰𛀳𜰬𜐱𝠩`.replace(/u../g,'')))

Oct 5 2024 11:16 PM UTC

}// 131/140

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The first ray of sunshine #sun

dwitter.net | rodrigo.siqueira (15492)