class Plum {

  ArrayList a;
  float j = 0;
  int branchCounter = 0;

  Plum() {
    a = new ArrayList();
    PlumBranch b = new PlumBranch(new Vector3D(100,500),new Vector3D(0f,-0.5f),300f);
    a.add(b);
  } 

  void go() {
    for (int i = a.size()-1; i >= 0; i--) {
      PlumBranch b = (PlumBranch) a.get(i);
      b.update();
      b.render(random(15,20)-j);
      j= j+0.00055;
      if (b.timeToBranch()) {
        branchCounter = branchCounter +1;
        if (branchCounter>64){
          createBlossom(b.loc); 
        }        
        if (a.size() < 1024) { 
          a.add(b.plumBranch( 45f));   // Add one going right
          a.add(b.plumBranch(-30f));   // Add one going left
        }
      }
    }
  }

  void createBlossom ( Vector3D loc ) {
    Blossom new_blossom = new Blossom(loc); 
    blossoms.add(new_blossom);
  }

}