JavaGame.java
public class JavaGame extends JFrame implements Runnable {
static Rectangle object = new Rectangle(60, 60, 50, 50);
static Rectangle object1 = new Rectangle(60, 60, 50, 50);
int x, y, xDirection, yDirection;
static AI AI = new AI(object);
static BI BI = new BI(object1);
private Image dbImage;
private Graphics dbg;
Image face;
public void run(){
try{
while(true){
move();
Thread.sleep(2);
}
}catch(Exception e){
System.out.println("ERROR");
}
}
public void move(){
x += xDirection;
y += yDirection;
if(y<=25)
y = 25;
if(y>=350)
y = 350;
if(x<=5)
x = 5;
if(x>=520)
x = 520;
}
public void setXDirection(int xdir){
xDirection = xdir;
}
public void setYDirection(int ydir){
yDirection = ydir;
}
public class AL extends KeyAdapter{
public void keyPressed(KeyEvent e){
int keyCode = e.getKeyCode();
if(keyCode == e.VK_W){
setYDirection(-1);
}
if(keyCode == e.VK_S){
setYDirection(+1);
}
if(keyCode == e.VK_A){
setXDirection(-1);
}
if(keyCode == e.VK_D){
setXDirection(+1);
}
}
public void keyReleased(KeyEvent f){
int keyCode = f.getKeyCode();
if(keyCode == f.VK_W){
setYDirection(0);
}
if(keyCode == f.VK_S){
setYDirection(0);
}
if(keyCode == f.VK_A){
setXDirection(0);
}
if(keyCode == f.VK_D){
setXDirection(0);
}
}
}
public static final int WIDTH = 640, HEIGHT = 480;
public JavaGame(){
ImageIcon i = new ImageIcon("C:/Users/admin/workspace/Project/src/ProjectGame/Player.gif");
face = i.getImage();
addKeyListener(new AL());
setTitle("Java Game");
setSize(WIDTH, HEIGHT);
setLocationRelativeTo(null);
setResizable(false);
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
x=WIDTH/2;
y=HEIGHT/2;
}
public void paint(Graphics g){
dbImage = createImage(getWidth(),getHeight());
dbg = dbImage.getGraphics();
paintComponent(dbg);
g.drawImage(dbImage,0,0,this);
}
public void paintComponent(Graphics g){
g.setColor(Color.RED);
g.fillOval(x, y, 50, 50);
g.drawImage(face, x, y, this);
AI.paint(g);
BI.paint(g);
repaint();
}
public static void main(String[] arg){
JavaGame jg = new JavaGame();
Thread t = new Thread(jg);
t.start();
Thread t1 = new Thread(AI);
t1.start();
Thread t2 = new Thread(BI);
t2.start();
}
}
AI.java
public class AI implements Runnable {
Rectangle AI;
int xDirection, yDirection;
boolean resting;
Image face1;
public AI(Rectangle r){
AI = r;
}
public void paint(Graphics g){
ImageIcon j = new ImageIcon("C:/Users/admin/workspace/Project/src/ProjectGame/Enemy.gif");
face1 = j.getImage();
g.setColor(Color.BLUE);
if(AI != null)
g.fillRect(AI.x, AI.y, AI.width, AI.height);
**g.drawImage(face, x, y, this);**
}
public int chooseRandomDirection(){
Random r = new Random();
int[] randDirection = new int[2];
randDirection[0] = 1;
randDirection[1] = -1;
int randChoise = r.nextInt(2);
return randDirection[randChoise];
}
public void setXDirection(int dir){
xDirection = dir;
}
public void setYDirection(int dir){
yDirection = dir;
}
public void move(){
int widthLimit = JavaGame.WIDTH - AI.width;
int heightLimit = JavaGame.HEIGHT - AI.height;
AI.x += xDirection;
if (AI.x > widthLimit) {
AI.x = widthLimit;
}
if (AI.x < 0) {
AI.x = 0;
}
AI.y += yDirection;
if (AI.y > heightLimit) {
AI.y = heightLimit;
}
if (AI.y < AI.height) {
AI.y = AI.height;
}
}
public void run(){
try{
while(true){
if(resting = true){
setXDirection(chooseRandomDirection());
setYDirection(chooseRandomDirection());
long start = System.currentTimeMillis();
long end = start + 1 * 1000;
while(System.currentTimeMillis() < end){
move();
Thread.sleep(5);
}
}else{
Thread.sleep(3000);
}
}
}catch(Exception ex){
System.err.println(ex.getMessage());
}
}
}
AI.java上的g.drawImage(face, x, y, this);不起作用。说
The method drawImage(Image, int, int, ImageObserver) in the type Graphics is not applicable for the arguments (Image, int, int, AI)
如何解决这个问题？