Starry Night

// 3D Sparkle

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let arr = []

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function setup(){

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  let canvas = createCanvas(800, 800,WEBGL);   

  // canvas.parent('p5container');

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    for (var i = 0; i < 200; i++){

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    let x = random(-width/2,width/2)

    let y = random(-height/2,height/2)

    let r = random(2,10)

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    arr.push([x,y,r])

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  }

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}

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function draw(){

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  background(0)

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  for (var i = 0; i < arr.length; i++){

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    let pixel = arr[i]

    let r = pixel[2] - 0.1 

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    if (r < 0){

      r = random(1,20)

    }

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    drawPixel(pixel[0],pixel[1],r)

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    arr[i][2] = r 

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  }

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}

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function drawPixel(x,y,r){

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   push()

  translate(x,y)

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  noStroke()

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  fill(34,155,215)

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  sphere(r)

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  fill(34,155,215,25)

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  for (var i = 0; i < 50; i+=10){

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    sphere(r+i)

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  }

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  pop()

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}