this.leaves = [];

  this.branches = [];

​

  for (var i = 0; i < 500; i++) {

    this.leaves.push(new Leaf());

  }

  var pos = createVector(width / 2, height / 2);

  var root = new Branch(pos, null);

  this.branches.push(root);

​

  this.show = function() {

    for (var i = 0; i < this.leaves.length; i++) {

      this.leaves[i].show();

    }

  }

}