Here's Chased's (Main character) code:
import greenfoot.*;
import java.awt.Color;
/**
* Class Chased (subclass of Actor): a user-controlled object with a mouse-controlled gun
*/
public class Chased extends Actor
{
private boolean touchingZ = false;
private boolean touchingZ2 = false;
private boolean touchingZ3 = false;
private int rotation;
Gun gun = new Gun(); // the gun for this actor
int timer;
int bullet=10;
/**
* creates image for actor
*/
public Chased()
{
// the image for this actor
GreenfootImage image = new GreenfootImage(50, 50);
image.fillOval(0, 0, 50, 50);
image.setColor(Color.green);
image.fillOval(7, 7, 36, 36);
setImage(image);
}
/**
* adds the gun for this actor into the world
*
* @param world the world this actor was added into
*/
public void addedToWorld(World world)
{
world.addObject(gun, getX(), getY()); // add the gun belonging to this actor into the world
}
public void movement()
{
int dx = 0, dy = 0;
if (Greenfoot.isKeyDown("a")) {
if(getOneObjectInFront(Car.class)==null)
dx--;
}
if (Greenfoot.isKeyDown("d")){
if(getOneObjectInFront(Car.class)==null)
dx++;
}
if (Greenfoot.isKeyDown("w")) {
if(getOneObjectInFront(Car.class)==null)
dy--;
}
if (Greenfoot.isKeyDown("s")) {
if(getOneObjectInFront(Car.class)==null)
dy++;
}
setLocation(getX()+1*dx, getY()+1*dy);
// limit to world bounds
if (getX() < 25) setLocation(25, getY());
if (getY() < 25) setLocation(getX(), 25);
if (getX() > getWorld().getWidth()-25) setLocation(getWorld().getWidth()-25, getY());
if (getY() > getWorld().getHeight()-25) setLocation(getX(), getWorld().getHeight()-25);
// position gun
gun.setLocation(getX(), getY());
Actor chaser = getOneIntersectingObject(Chaser.class);
}
/**
* move user-controlled actor and its gun; also, check for game over
*/
public void act()
{
movement();
Chaser chaser = new Chaser();
getOneIntersectingObject(Chaser.class);
if (chaser != null)
{
World world = getWorld();
Welt welt = (Welt)world;
HealthBar healthbar = welt.getHealthBar();
if(touchingZ == false)
{
healthbar.loseHealth();
touchingZ = true;
if(healthbar.health <=0)
{
world.removeObjects(world.getObjects(null));
Greenfoot.setWorld(new Stats(((Welt)world).score));
}
}
}else{
touchingZ = false;
}
Actor runner = getOneIntersectingObject(Runner.class);
if (runner != null)
{
World world = getWorld();
Welt welt = (Welt)world;
HealthBar healthbar = welt.getHealthBar();
if(touchingZ2 == false)
{
healthbar.loseHealth();
touchingZ2 = true;
if(healthbar.health <=0)
{
world.removeObjects(world.getObjects(null));
Greenfoot.setWorld(new Stats(((Welt)world).score));
}
}
}else{
touchingZ2 = false;
}
Actor bloater = getOneIntersectingObject(Bloater.class);
if (bloater != null)
{
World world = getWorld();
Welt welt = (Welt)world;
HealthBar healthbar = welt.getHealthBar();
if(touchingZ3 == false)
{
healthbar.loseHealth();
touchingZ3 = true;
if(healthbar.health <=0)
{
world.removeObjects(world.getObjects(null));
Greenfoot.setWorld(new Stats(((Welt)world).score));
}
}
}else{
touchingZ3 = false;
}
}
public Actor getOneObjectInFront(Class a)
{
GreenfootImage myImage=getImage();
int distanceToFront=myImage.getWidth()/2;
int xOffset = (int)Math.ceil(distanceToFront*Math.cos(Math.toRadians(getRotation())));
int yOffset = (int)Math.ceil(distanceToFront*Math.sin(Math.toRadians(getRotation())));
return(getOneObjectAtOffset(xOffset, yOffset, a));
}
/**
* Class: Gun (subclass of Actor -- inner class of Chased): the gun for this actor
*/
private class Gun extends Actor
{
/**
* creates image for actor
*/
public Gun()
{
// the image for this actor
GreenfootImage image = new GreenfootImage("Picture1.png");
setImage(image);
}
public boolean Munition(){
if(bullet>0){
return true;
}
else{
return false;
}
}
GifImage gifImage = new GifImage("57c3b88d56899519809115.gif");
private boolean mouseclick;
/**
* responds to mouse movement and mouse button clicks
*/
public void act()
{
// turn towards mouse when mouse moves
if (Greenfoot.mouseMoved(null) || Greenfoot.mouseDragged(null))
{
MouseInfo mouse = Greenfoot.getMouseInfo();
if (mouse != null) turnTowards(mouse.getX(), mouse.getY());
}
// detect mouse clicks to fire shot
World world = getWorld();
Welt welt = (Welt)world;
AmmoBar ammobar = welt.getAmmoBar();
if(!mouseclick && (Greenfoot.mouseClicked(null)))
{
if(Munition()==true){
mouseclick=true;
getWorld().addObject(new Shot(), getX(), getY());
bullet--;
ammobar.loseAmmo();
if (bullet ==0){
timer = 2000;
}
}
}
if(mouseclick&& !Greenfoot.isKeyDown("space"))
{
mouseclick=false;
}
if (timer > 0){
timer--;
if (timer==0){
bullet+=10;
ammobar.addAmmo();
}
}
}
/**
* Class Shot (subclass of QActor -- inner class of Chased.Gun): the shots from this gun
*/
private class Shot extends QActor
{
/**
* sets bounds fields and creates the image for this actor
*/
public Shot()
{
setBoundedAction(QActor.REMOVE, 5); // set bounds fields
// create image for this actor
setImage(gifImage.getCurrentImage());
}
/**
* initializes rotation and position of actor
*
* @param world the world this actor was added into
*/
public void addedToWorld(World world)
{
setRotation(Gun.this.getRotation()); // set rotation (to that of gun)
move(7000); // set position (at end of gun)
rotation = getRotation();
setRotation(0);
}
/**
* moves actor and checks for removal of actor
*/
public void act()
{
setVX(0);
setVY(0);
addForce(0, getRotation()*QVAL);
move(); // moving (equivalent to 'move(5)' for a non-QActor)
World world = getWorld();
Welt welt = (Welt)world;
Numberz numberz = welt.getNumberz();
if (hits(Chaser.class) || atWorldEdge())
{
getWorld().removeObject(this); // removing
numberz.loseNum();
}else if (hits(Runner.class) || atWorldEdge())
{
numberz.addNum();
getWorld().removeObject(this); // removing
numberz.loseNum();
}else if (hits(Bloater.class) || atWorldEdge())
{
numberz.addNum();
getWorld().removeObject(this); // removing
numberz.loseNum();
}
}
private boolean touchingFire = false;
/**
* internal method to detect object collision; returns true if collision detected, else false
*
* @param cls the class of object to check for collision with
* @return a flag indicating whether an object of given class was detected or not
*/
private boolean hits(Class cls)
{
// get intersecting object and return result
World world = getWorld();
Welt welt = (Welt)world;
Actor chased = getOneIntersectingObject(Chased.class);
if (chased != null){
HealthBar healthbar = welt.getHealthBar();
if(touchingFire == false)
{
healthbar.loseHealth();
touchingFire = true;
if(healthbar.health <=0)
{
world.removeObjects(world.getObjects(null));
Greenfoot.setWorld(new Stats(((Welt)world).score));
}
}
}else{
touchingFire = false;
}
Actor clsActor = getOneIntersectingObject(cls);
if (clsActor != null)
{
// remove intersector and bump score
getWorld().removeObject(clsActor);
return true;
}
return false;
}
/**
* internal method that returns a flag indicating world edge encroachment
*
* @return a flag indicating whether the actor has encroached on a world edge or not
*/
private boolean atWorldEdge()
{
// return state of encroachment on world edge
return getX() <= 0 || getY() <= 0 ||
getX() >= getWorld().getWidth()-1 ||
getY() >= getWorld().getHeight()-1;
}
}
}
}
