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Dahlia

If you don't have this question handy, you can download the pdf document DahliaQuestion.pdf

I made some 48 x 48 gif files which can be downloaded and placed in the same folder as your class files, and you can see the flowers and seed as they grow!

Dahlia.gif

DahliaSeed.gif

import java.awt.Color;
import info.gridworld.grid.*; 
import info.gridworld.actor.*; 
import java.util.ArrayList;

class Dahlia extends Flower
{
  int age;
  Color color;
  public Dahlia()
  {
    super();
    age=0;
    color=Color.PINK;  
  }
  public Dahlia(Color c)
  {
    super(c);
    age=0;
    color=c;

  }
  public void act()
  {
        age++;
    if (age < 4)
    {
      super.act();
    }
    else
    {
      Grid<Actor> gr = getGrid();
      ArrayList<Location> locs =
                gr.getValidAdjacentLocations(getLocation());
      int n = locs.size();
      if (n > 0)
      {
        for (int k = 1; k <= 3; k++)
        {
          int r = (int)(Math.random() * n);
          Location loc = locs.get(r);
          if (gr.get(loc) == null)
          {
            DahliaSeed seed = new DahliaSeed(color);
            seed.putSelfInGrid(gr, loc);
          }
        }
      }
      removeSelfFromGrid();
    }  
  }
}

DahliaSeed

import java.awt.Color;
import info.gridworld.grid.*; 
import info.gridworld.actor.*; 

class DahliaSeed extends Flower
{
  int age;
  Color color;

  public DahliaSeed(Color c)
  {
    super(c);
    age=0;
    color=c;

  }
  public void act()
  {
      age++;
      if(age>2){
          Grid<Actor> gr = getGrid();
          Dahlia baby=new Dahlia(color);
          Location loc=getLocation();
          removeSelfFromGrid();
          baby.putSelfInGrid(gr, loc);

        }
   }

}

DahliaRunner

import info.gridworld.grid.*; 
import info.gridworld.actor.*; 
import java.awt.Color; 
public class DahliaRunner
{
	// instance variables - replace the example below with your own

	public static void main (String[] args)
	{
		ActorWorld world = new ActorWorld(new BoundedGrid(8,8) );

		Dahlia d1=new Dahlia();

		Dahlia d2=new Dahlia(Color.BLUE);

		world.add(new Location (2,2), d1);
		world.add(new Location (5,3), d2);

        world.show();
	}


}