let cols; let rows; let size = 50;

let colors; 

​

function setup() {

  createCanvas(400, 400);

  angleMode(DEGREES);

  colors = [color(255,240,1), color(255,1,1), color(1,1,253), color(249)];

  cols = width/size;

  rows = height/size;

  for (let i=0; i<cols; i++) {

    tiles[i] = [];

    for (let j=0; j<rows; j++) {

      tiles[i][j] = new Tile(i*size, j*size, floor(random(2)), colors[floor(random(4))]);

    }

  }

}

​

function draw() {

  background(220);

  for (let i=0; i<cols; i++) {

    for (let j=0; j<rows; j++) {

      tiles[i][j].display();

    }

  }

}