Class Wolf

java.lang.Object
  SimpleTurtle
      Turtle
          Wolf

public class Wolf

extends Turtle

Class that represents a wolf. The wolf class tracks all the living wolves with a linked list.

Author:

Barb Ericson ericson@cc.gatech.edu

Constructor Summary

Wolf(int x, int y, ModelDisplay modelDisplayer)
Constructor that takes the x and y and a model display to draw it on

Wolf(ModelDisplay modelDisplayer)
Constructor that takes the model display (the original position will be randomly assigned)

Method Summary

void	act() Method to act during a time step pick a random direction and move some random amount up to top speed
Deer	getClosestDeer(double distance) Method to get the closest deer within the passed distance to this wolf
static Wolf	getHead() Method to get the head of the linked list of wolves
Wolf	getNext() Method to get the next Wolf in the linked list
void	init() Method to initialize the new wolf object
static void	main(java.lang.String[] args) main method for testing

Methods inherited from class SimpleTurtle

backward, backward, clearPath, drawInfoString, drop, forward, forward, getBodyColor, getDistance, getHeading, getHeight, getInfoColor, getModelDisplay, getName, getPen, getPenColor, getPenWidth, getPicture, getShellColor, getShowInfo, getWidth, getXPos, getYPos, hide, isPenDown, isVisible, moveTo, paintComponent, penDown, penUp, setBodyColor, setColor, setHeading, setHeight, setInfoColor, setModelDisplay, setName, setPen, setPenColor, setPenDown, setPenWidth, setPicture, setShellColor, setShowInfo, setVisible, setWidth, show, toString, turn, turnLeft, turnRight, turnToFace, turnToFace, updateDisplay

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Wolf

public Wolf(ModelDisplay modelDisplayer)

Constructor that takes the model display (the original position will be randomly assigned)

Parameters:

modelDisplayer - thing that displays the model

Wolf

public Wolf(int x,
            int y,
            ModelDisplay modelDisplayer)

Constructor that takes the x and y and a model display to draw it on

Parameters:

x - the starting x position

y - the starting y position

modelDisplayer - the thing that displays the model

Method Detail

getHead

public static Wolf getHead()

Method to get the head of the linked list of wolves

Returns:

the head of the linked list (may be null)

getNext

public Wolf getNext()

Method to get the next Wolf in the linked list

Returns:

the next wolf in the linked list of wolves or null

init

public void init()

Method to initialize the new wolf object

getClosestDeer

public Deer getClosestDeer(double distance)

Method to get the closest deer within the passed distance to this wolf

Parameters:

distance - the distance to look within

Returns:

the closest deer in the given distance or null

act

public void act()

Method to act during a time step pick a random direction and move some random amount up to top speed

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

main method for testing

Throws:

java.lang.Exception