World.pde

class World {
  public final int GRASS = 0;
  public final int HOUSE = 1;
  public final int TILE_MAX = 2;

  int world[][] = new int[10][8];
  PImage img[] = new PImage[TILE_MAX];

  public World() {
    int i, j;

    // Generate The World - Fill with grass
    for(i = 0; i < 10; i++) {
      for(j = 0; j < 8; j++) {
        world[i][j] = GRASS;
      }
    }
    // Generate A House at 2/2
    world[2][2] = HOUSE;
    // Load graphics for tiles
    img[GRASS] = loadImage("grass.png");
    img[HOUSE] = loadImage("house.png");
  }

  public void loop() {
    int i, j;

    // Draw 1st layer - the ground
    for(i = 0; i < 10; i++) {
      for(j = 0; j < 8; j++) {
        image(img[world[i][j]], 100 * i, 100 * j);
      }
    }
    // Draw 2nd layer - the structures.
    for(i = 0; i < 10; i++) {
      for(j = 0; j < 8; j++) {
        if(world[i][j] == HOUSE) {
          image(img[GRASS], 100 * i, 100 * j);
          image(img[HOUSE], 100 * i, 100 * j);
        }
      }
    }
  }
}