Class Deer

java.lang.Object
  SimpleTurtle
      Turtle
          Deer

public class Deer

extends Turtle

Class that represents a deer. The deer class tracks all living deer with a linked list.

Author:

Barb Ericson ericson@cc.gatech.edu

Constructor Summary

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

Deer(ModelDisplay modelDisplayer)
Constructor that takes the model display (the original position will be randomally 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
void	die() Method that handles when a deer dies
static Deer	getHead() Method to get the head of the linked list of deer
Deer	getNext() Method to get the next Deer in the linked list
void	init() Method to initialize the new deer 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

Deer

public Deer(ModelDisplay modelDisplayer)

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

Parameters:

modelDisplayer - thing which will display the model

Deer

public Deer(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 Deer getHead()

Method to get the head of the linked list of deer

Returns:

the head of the linked list of deer (may be null)

getNext

public Deer getNext()

Method to get the next Deer in the linked list

Returns:

the next deer in the linked list of deer or null

init

public void init()

Method to initialize the new deer object

act

public void act()

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

die

public void die()

Method that handles when a deer dies

main

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

main method for testing

Throws:

java.lang.Exception