/** * Tadpole is a black fish that, after a set lifespan, may die, or become a frog. * * @author Jeff Minucci * @version 5/05/05 */ import java.util.Random; import java.awt.Color; public class Tadpole extends Minnow { // instance variables - replace the example below with your own private int lifespan; private int acts; private Environment itsEnv; /** * Constructor for objects of class Tadpole */ public Tadpole(Environment env, Location loc) { super(env,loc); itsEnv = env; Random generator = RandNumGenerator.getInstance(); lifespan = (generator.nextInt(11) + 10); super.setColor(Color.black); } public void act() { // A simulation asks objects to "act" -- to do whatever that // object should do in a single simulation timestep. A minnow's // action is simply to move. super.move(); acts++; if (acts==lifespan) { if (willDie()) { death(); } else { transform(); } } } protected boolean willDie() { Random generator = RandNumGenerator.getInstance(); int x = generator.nextInt(2); if (x==0) { return true; } else { return false; } } protected void death() { theEnv.remove(this); //if (theEnv.isEmpty()) //{ //JOptionPane.showMessageDialog //} } protected void transform() { theEnv.remove(this); Frog froggy = new Frog(itsEnv, myLoc); } public String toString() { return "T" + myLoc.toString() + myDir.toString(); } }