rigatoni – Iteration Exercise

/*A lot of the code I have written was informed by both the References section of
  p5 as well Dan Shiffman's Youtube Channel, The Learning Train. The specific 
  tutorials I looked at are listed below:
  The Learning Channel 18.3
  The Learning Channel Coding Challenge #86
*/
 
let redraw = true
 
function setup() {
  createCanvas(500, 500, WEBGL);
  camera(500, -500, (height/2.0) / tan(PI*45.0 / 360), 0, 0, 0, 0, 1, 0)
  setLighting()
}
 
function draw() {
  if(redraw) {
    background(0);
    drawGrid()
    redraw=false
  } 
}
 
function mouseClicked() {
    redraw=true 
}
 
function drawGrid() {
  noStroke()
  translate(-250,0,250)
  for(x=0; x<10; x++) {
    translate(50,0,0)
    for(y=0; y<10; y++) {
      translate(0,0,-50)
      pickRandom(drawCube, drawSphere, .8)
    }
    //this is like setting a typewriter slide back to start
    translate(0,0,500)
  }
}
 
//the ratio is how likely pickRandom will choose method1 over method2
function pickRandom(method1, method2, ratio) {
  //using square roots helped reduce the weird looking "random" patterns
  if((random(1)*random(1))<(ratio*ratio)) {
    method1()
  } else {
    method2()
  }
}
 
function setLighting() {
  ambientLight(50,0,0)
  directionalLight(255,255,255, 25, 0, -25)
}
 
function drawCube() {
  ambientMaterial(255, 0, 0)
  box(43)
}
 
//Spheres also cast a point light around them so it looks better
function drawSphere() {
  ambientMaterial(0, 255, 0)
  pointLight(255, 255, 255)
  sphere(20)
}