Voxel Grid

let objects = [] // create empty array 

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function setup() {

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  createCanvas(windowWidth, windowHeight, WEBGL);

  let spacing = 50

  for (var x = -255; x < 255; x += spacing) {

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    for (var y = -255; y < 255; y += spacing) {

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      for (var z = -255; z < 255; z += spacing) {

        let voxel = getVoxel(x,y,z,spacing/2) 

        objects.push(voxel) 

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      }

    }

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  }

}

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function draw() {

  background(0)

  push()

  scale(0.5)

  rotateX(mouseX/1000)

  rotateY(mouseY/1000)

  rotateZ(frameCount/500)

  objects.forEach(obj=>obj.display())

  pop()

}

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function getVoxel(x,y,z,size){

  let obj = {} 

  obj.x = x 

  obj.y = y 

  obj.z = z 

  obj.size = size

  obj.display = function(){

    push()

    fill(this.x,this.y,this.z)

    translate(this.x,this.y,this.z) 

    box(this.size) 

    pop()

  }

  return obj

}