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對於一個學校計算機項目，我決定用Java（與其他兩個人）製作一個Pac-Man風格的遊戲。我們都沒有太多經驗，所以我們基本上一直在教導自己。我們已經取得了一些進展，但在這一點上我們似乎已經陷入停滯。Java遊戲編程第2部分：消失的圖像
當Fatman超過他們時，我們該如何讓糖果消失？我們嘗試使用重繪，但我們似乎無法讓事情正常工作。
（我還有其他的事情，我需要幫助的，但他們在不同的問題）
謝謝您的幫助！
這裏是我們到目前爲止的代碼：
迷宮類：
package Fatman;
import javax.swing.*;
public class Maze {
public static void main(String[] args){
new Maze();
}
public Maze(){
JFrame f = new JFrame();
f.setTitle("Fatman!");
f.add(new Board());
f.setSize(816, 838);
f.setLocationRelativeTo(null);
f.setVisible(true);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}
地圖類
package Fatman;
import java.awt.*;
import java.io.*;
import java.util.*;
import javax.swing.*;
public class Map {
private Scanner m;
private String Map[] = new String[25];
private Image spaceregcandy,
srcb,
safehouse,
spacebigcandy,
blackspace,
space,
portal1,
portal2,
wall;
public Map(){
ImageIcon img = new ImageIcon("C:\\Users\\Martin\\Desktop\\Fatman Project\\spaceregcandy.png");
spaceregcandy = img.getImage();
//image icon has already been initiated, so it doesn't have to be written again
img = new ImageIcon("C:\\Users\\Martin\\Desktop\\Fatman Project\\spaceregcandyblue.png");
srcb = img.getImage();
img = new ImageIcon("C:\\Users\\Martin\\Desktop\\Fatman Project\\safehouse.png");
safehouse = img.getImage();
img = new ImageIcon("C:\\Users\\Martin\\Desktop\\Fatman Project\\wall232x.png");
wall = img.getImage();
img = new ImageIcon("C:\\Users\\Martin\\Desktop\\Fatman Project\\spacebigcandy.png");
spacebigcandy = img.getImage();
img = new ImageIcon("C:\\Users\\Martin\\Desktop\\Fatman Project\\blackspace.png");
blackspace = img.getImage();
img = new ImageIcon("C:\\Users\\Martin\\Desktop\\Fatman Project\\space.png");
space = img.getImage();
img = new ImageIcon("C:\\Users\\Martin\\Desktop\\Fatman Project\\portal1.png");
portal1 = img.getImage();
img = new ImageIcon("C:\\Users\\Martin\\Desktop\\Fatman Project\\portal2.png");
portal2 = img.getImage();
openFile();
readFile();
closeFile();
}
public Image getSpaceregcandy(){
return spaceregcandy;
}
public Image getSrcb(){
return srcb;
}
public Image getSafehouse(){
return safehouse;
}
public Image getWall(){
return wall;
}
public Image getSpacebigcandy(){
return spacebigcandy;
}
public Image getBlackspace(){
return blackspace;
}
public Image getSpace(){
return space;
}
public Image getPortal1(){
return portal1;
}
public Image getPortal2(){
return portal2;
}
public String getMap(int x, int y){
String index = Map[y].substring(x, x + 1);
return index;
//in y position, if y = 2, goes to second row (substring gets x position)
}
public void openFile(){
try{
m = new Scanner(new File("C:\\Users\\Martin\\Desktop\\Fatman Project\\map3.txt"));
}catch(Exception e){
System.out.println("error loading map");
}
}
public void readFile(){
while(m.hasNext()){
for(int i = 0; i < 25; i++){
Map[i] = m.next();
}
}
}
public void closeFile(){
m.close();
}
}
局類
package Fatman;
import java.awt.*;
import java.awt.event.*;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import javax.swing.*;
public class Board extends JPanel implements ActionListener{
/**
*
*/
private static final long serialVersionUID = 1L;
private Timer timer;
private Image player;
private Map m;
private Player p;
public Board(){
m = new Map();
p = new Player();
addKeyListener(new Al());
setFocusable(true);
timer = new Timer(1, this);
timer.start();
}
public void actionPerformed(ActionEvent e){
repaint();
}
public void paint(Graphics g){
super.paint(g);
for(int y = 0; y < 25; y++){
for(int x = 0; x <25; x++){
if(m.getMap(x, y).equals("o")){
g.drawImage(m.getSpaceregcandy(), x *32, y *32, null);
}
if(m.getMap(x, y).equals("O")){
g.drawImage(m.getSrcb(), x *32, y *32, null);
}
if(m.getMap(x, y).equals("x")){
g.drawImage(m.getWall(), x *32, y *32, null);
}
if(m.getMap(x, y).equals("H")){
g.drawImage(m.getSafehouse(), x *32, y *32, null);
}
if(m.getMap(x, y).equals("C")){
g.drawImage(m.getSpacebigcandy(), x *32, y *32, null);
}
if(m.getMap(x, y).equals("b")){
g.drawImage(m.getBlackspace(), x *32, y *32, null);
}
if(m.getMap(x, y).equals("s")){
g.drawImage(m.getSpace(), x *32, y *32, null);
}
if(m.getMap(x, y).equals("p")){
g.drawImage(m.getPortal1(), x *32, y *32, null);
}
if(m.getMap(x, y).equals("P")){
g.drawImage(m.getPortal2(), x *32, y *32, null);
}
}
}
g.drawImage(p.getPlayer(), p.getTileX() * 32, p.getTileY() * 32, null);
}
public class Al extends KeyAdapter{
public void keyPressed(KeyEvent e){
int keycode = e.getKeyCode();
if(keycode == KeyEvent.VK_UP){
if(!m.getMap(p.getTileX(), p.getTileY() -1).equals("x")){
if(!m.getMap(p.getTileX(), p.getTileY() -1).equals("b")){
}
p.move(0, -1);
System.out.println(m.getMap(p.getTileX(), p.getTileY()));
}
}
if(keycode == KeyEvent.VK_DOWN){
if(!m.getMap(p.getTileX(), p.getTileY() +1).equals("x")){
if(!m.getMap(p.getTileX(), p.getTileY() +1).equals("b")){
p.move(0, 1);
System.out.println(m.getMap(p.getTileX(), p.getTileY()));
}
}
}
if(keycode == KeyEvent.VK_LEFT){
if(!m.getMap(p.getTileX() - 1, p.getTileY()).equals("x")){
if(!m.getMap(p.getTileX() - 1, p.getTileY()).equals("b")){
p.move(-1, 0);
System.out.println(m.getMap(p.getTileX(), p.getTileY()));
}
}
}
if(keycode == KeyEvent.VK_RIGHT){
if(!m.getMap(p.getTileX() + 1, p.getTileY()).equals("x")){
if(!m.getMap(p.getTileX() + 1, p.getTileY()).equals("b")){
p.move(1, 0);
System.out.println(m.getMap(p.getTileX(), p.getTileY()));
}
}
}
}
public void keyReleased(KeyEvent e){
}
public void keyTyped(KeyEvent e){
}
}
}
Player類
package Fatman;
import java.awt.Image;
import javax.swing.ImageIcon;
public class Player {
private int tileX, tileY;
private int dx, dy;
private Image player;
public Player(){
ImageIcon img = new ImageIcon("C:\\Users\\Martin\\Desktop\\Fatman Project\\FATMANsimplified32xbrown.png");
player = img.getImage();
tileX = 12;
tileY = 18;
}
public Image getPlayer(){
return player;
}
public int getTileX(){
return tileX;
}
public int getTileY(){
return tileY;
}
public void move(int dx, int dy){
tileX += dx;
tileY += dy;
}
}
任何想法？