Forest.pde

// A collection of trees for displaying easier

class Forest {
  ArrayList <Tree> trees;
  int treeCount = 0;
  int attempts;
  Forest(int n) {
    loadStep = "Add Trees";
    trees = new ArrayList<Tree>();
    attempts = n*5;
    while (treeCount < n && attempts>0) {
      attempts--;
      loadPCT = treeCount / (float)n;
      int randX = (int)random(0, GRID_COLUMNS-1);
      int randY = (int)random(0, GRID_ROWS-1);
      CompiledCell testCell = cMap.getCell(randX, randY);

      if (testCell.id >= 2 && testCell.id <= 6 && !testCell.isRoad() && !testCell.isForest() && (!testCell.isCity())) {
        PVector tree_pos = new PVector(CELL_SCALE/2, CELL_SCALE/2, 0).add(testCell.v1);
        tree_pos.z = testCell.getHeightAt(CELL_SCALE/2, CELL_SCALE/2);
        this.addTree(new Tree(tree_pos, map(testCell.getPopulation(), 27, 100, 1, .1)), testCell);
        //testCell.setForest();
      }
    }
  }

void addTree(Tree t, CompiledCell c) {
    c.addTree(t);
    treeCount++;
  };
}