2014/4/17
import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
/**
* Write a description of class Enemy here.
*
* @author (your name)
* @version (a version number or a date)
*/
public class Enemy extends Enemies
{
private int health;
/**
* Act - do whatever the Enemy wants to do. This method is called whenever
* the 'Act' or 'Run' button gets pressed in the environment.
*/
public void act()
{
move(-4);
Actor bullet = getOneIntersectingObject(Bullet.class);
if (bullet != null)
{
getWorld().removeObject(bullet);
getWorld().addObject(new Explosion(), getX(), getY());
if ((health -= 10) <= 0)
{getWorld().removeObject(this);
}
}
}
public Enemy()
{
setVelocity(1);
setCounter(15);
this.health = 100;
}
}
import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
/**
* Write a description of class Enemy here.
*
* @author (your name)
* @version (a version number or a date)
*/
public class Enemy extends Actor
{
private int health;
private int counter;
/**
* Act - do whatever the Enemy wants to do. This method is called whenever
* the 'Act' or 'Run' button gets pressed in the environment.
*/
public void act()
{
move(-4);
specialAction();
boundary();
Actor bullet = getOneIntersectingObject(Bullet.class);
if (bullet != null)
{
getWorld().removeObject(bullet);
getWorld().addObject(new Explosion2(), getX(), getY());
if ((health -= 10) <= 0)
{getWorld().removeObject(this);
}
}
}
public Enemy()
{
setCounter(15);
this.health = 100;
}
public void boundary()
{
if (getWorld() != null) //if object exists
{
if (getY() > getWorld().getHeight() + 50) //if enemy leaves the screen
{
getWorld().removeObject(this); //remove self
}
}
}
public void specialAction()
{
}
/*
* Accessor and Mutator Methods
*/
public void addCounter()
{
counter++;
}
public int getCounter()
{
return counter;
}
public void setCounter(int c)
{
counter = c;
}
}
if (getWorld() == null) return;
import greenfoot.*;
public class Enemy extends Actor {
private static final GreenfootImage
ENEMY_IMAGE = new GreenfootImage("robot.png");
private ScoreManager score;
private int maxHealth;
private int health;
private int speed;
private int value;
public Enemy(ScoreManager score, int maxHealth, int speed, int value) {
this.score = score;
this.maxHealth = maxHealth;
this.speed = speed;
this.value = value;
health = maxHealth;
setImage(ENEMY_IMAGE);
}
public void act() {
setLocation(getX() - speed, getY());
checkIsOnScreen();
checkPlayer1Collision();
}
public void damage(int amount) {
health -= amount;
if(health <= 0) {
score.add(value);
getWorld().addObject(new Explosion2(), getX(), getY());
getWorld().removeObject(this);
} else {
//healthBar.updateImage();
}
}
private void checkPlayer1Collision() {
Player1 player1 = (Player1)getOneIntersectingObject(Player1.class);
if(player1 != null) {
getWorld().removeObject(player1);
}
}
private void checkIsOnScreen() {
if(!isOnScreen()) {
getWorld().removeObject(this);
}
}
private boolean isOnScreen() {
return getX() > 0;
}
}