import java.util.Vector;
import java.awt.*;

public class Planet extends Icobj 
{
  final static int influ = 10000;

  public Planet(String n,int x, int y){ super(n,x,y); color = Color.cyan; }

  protected double delta(Icobj i1,Icobj i2){ return Math.pow(i1.dist(i2),3.0); }

  public void behavior(){
     Vector icobjs = workspace.icobjsInInfluence(this,influ);
     for(int i=0;i<icobjs.size();i++){
        Icobj other = (Icobj)icobjs.elementAt(i);
        if (!(other instanceof Meteor)) continue;
        Meteor meteor = (Meteor)other;
        double delta = delta(this,meteor);
        meteor.translate(-meteor.mass*(meteor.x-x)/delta,-meteor.mass*(meteor.y-y)/delta);
     }
  }
}