Chrysanthemum[] chrysanthemum = new Chrysanthemum[8];
ArrayList chryLeaves;
ArrayList chryFlower;

void setup() {
  size(600,150);
  colorMode(RGB,255,255,255,100);
  background(255);
  smooth();
  chryLeaves = new ArrayList();
  chryFlower = new ArrayList();
  for(int i=0; i<chrysanthemum.length; i++){
    chrysanthemum[i] = new Chrysanthemum(new Vector3D(random(width),height+random(50,100)),new Vector3D(0f,-0.4f),200f);
  }
}

void draw() {
  for(int i=0; i<chrysanthemum.length; i++){
    chrysanthemum[i].go();
    if(chrysanthemum[i].branchCounter<99*chrysanthemum.length){ // add 
      for ( int k =0 ; k < chryLeaves.size(); k++ ) {
        ChryLeaves this_chryLeaves = (ChryLeaves) chryLeaves.get(k); 
        this_chryLeaves.render(); 
      }
      for ( int m =0 ; m < chryFlower.size(); m++ ) {
        ChryFlower this_chryFlower = (ChryFlower) chryFlower.get(m); 
        this_chryFlower.render(); 
      }
    }
  }
}