我想点击屏幕并让角色移动到该目的地。不是立即，而是“走”到给定的坐标。目前我正在使用JLabel，如果我只使用静态图像它们就没问题了，但每次我点击屏幕上的某个地方时，图像就显示在那个确切的位置。有人可以给我一些提示吗？
编辑：我应该覆盖绘画类并以这种方式绘制一些项目吗？
以下是一些代码：
package mod;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.image.BufferedImage;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.beans.PropertyChangeEvent;
import java.io.File;
import java.io.IOException;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.awt.KeyboardFocusManager;
import javax.imageio.ImageIO;
import javax.swing.*;
public class Board2 extends JPanel {
private Thread animator;
int x, y;
double ix, iy;
double dx, dy;
final int frameCount = 8;
BufferedImage flower;
private int[][] fPos = {{232, 15},{400, 200},{335, 335}}; // flower coordinates
private static int bWIDTH = 800; // width of window
private static int bHEIGHT = 600;// height of window
private Font font;
private FontMetrics metrics;
ImageIcon grassI = new ImageIcon(this.getClass().getResource("grass.png"));
ImageIcon riverI = new ImageIcon(this.getClass().getResource("river.png"));
private Image grass = grassI.getImage();
private Image river = riverI.getImage();
private House house = new House();
private River river1 = new River();
//private Flower flower = new Flower();
private TitleScreenLayer ts = new TitleScreenLayer();
private Player girlP = new Player();
private static int px = 250;
private static int py = 250;
private boolean visTl = false;
private boolean plant = false;
ArrayList<Flower> flowers= new ArrayList<Flower>();
private long period;
private volatile boolean running = false;
private volatile boolean gameOver = false;
private volatile boolean isPaused = false;
// New stuff for Board2 below
private JLayeredPane lpane;
private JLabel grassLabel;
private JLabel riverLabel;
private JLabel houseLabel;
private JLabel pear1Label;
private JLabel pear2Label;
private JLabel pear3Label;
private JLabel drivewayLabel;
private JLabel girlLabel;
private JProgressBar progressBar;
private JLabel toolLabel;
private JTextArea textBubble;
ImageIcon girlImage = new ImageIcon(girlP.getImage());
int mouseClicks = 0;
CountdownTimer cTimer;
private static String message;
public static String setMessage(String newMessage){
return message = newMessage;
}
private static ImageIcon playerTool = new ImageIcon("BradfordPear.png");
public ImageIcon getPlayerTool(){
return playerTool;
}
public static void setPlayerTool(String image){
playerTool = new ImageIcon(image);
}
public JTextArea getTextBubble(){
return textBubble;
}
public Player getPlayer(){
return girlP;
}
public static int getPlayerX(){
return px;
}
public static int getPlayerY(){
return py;
}
public JLayeredPane getLayeredPane(){
return lpane;
}
public Board2(){
setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
//create the layered pane
lpane = new JLayeredPane();
lpane.setPreferredSize(new Dimension(800, 600));
//create the "background" image
ImageIcon image = new ImageIcon("grass.png");
grassLabel = new JLabel(image);
grassLabel.setBounds(0, 0, image.getIconWidth(), image.getIconHeight());
//create the house image
ImageIcon houseImage = new ImageIcon("house.png");
houseLabel = new JLabel(houseImage);
houseLabel.setBounds(-330, -150, image.getIconWidth(), image.getIconHeight());
//create the driveway image
ImageIcon drivewayImage = new ImageIcon("driveway.png");
drivewayLabel = new JLabel(drivewayImage);
drivewayLabel.setBounds(-335, 105, image.getIconWidth(), image.getIconHeight());
//create the river image
ImageIcon riverImage = new ImageIcon("river.png");
riverLabel = new JLabel(riverImage);
riverLabel.setBounds(360, 0, image.getIconWidth(), image.getIconHeight());
//create pear1 image
ImageIcon pear1Image = new ImageIcon("BradfordPear.png");
pear1Label = new JLabel(pear1Image);
pear1Label.setBounds(100, 100, image.getIconWidth(), image.getIconHeight());
//create pear2 image
ImageIcon pear2Image = new ImageIcon("BradfordPear.png");
pear2Label = new JLabel(pear2Image);
pear2Label.setBounds(50, -100, image.getIconWidth(), image.getIconHeight());
//create pear3 image
ImageIcon pear3Image = new ImageIcon("BradfordPear.png");
pear3Label = new JLabel(pear3Image);
pear3Label.setBounds(-100, -50, image.getIconWidth(), image.getIconHeight());
//create initial Player(girl) image
//ImageIcon girlImage = new ImageIcon(girlP.getImage());
girlLabel = new JLabel(girlImage);
girlLabel.setBounds((int)girlP.getPositionX(), (int)girlP.getPositionY(), image.getIconWidth(), image.getIconHeight());
//create progress bar
progressBar = new JProgressBar(JProgressBar.VERTICAL, 0, 10);
progressBar.setValue(0);
progressBar.setBounds(720, 50, 100, 500);
//create timer
JTextField timerField = new JTextField();
cTimer = new CountdownTimer(timerField);
timerField.setBounds(400, 0, 50, 50);
//create toolbox
Toolbox toolbox = new Toolbox();
toolbox.setBounds(550, 0, 250, 50);
//create the text bubble
textBubble = new JTextArea("IDPC is the best coding group ever");
textBubble.setLineWrap(true);
//textBubble.setBounds(200, 200, 100, 100);
//add the background & various images
lpane.add(grassLabel, new Integer(1));
lpane.add(houseLabel, new Integer(2));
lpane.add(riverLabel, new Integer(2));
lpane.add(drivewayLabel, new Integer(2));
lpane.add(pear1Label, new Integer(2));
lpane.add(pear2Label, new Integer(2));
lpane.add(pear3Label, new Integer(2));
lpane.add(progressBar, new Integer(3));
lpane.add(girlLabel, new Integer(3));
lpane.add(timerField, new Integer(2));
lpane.add(toolbox, new Integer(3));
add(lpane);
cTimer.start();
// listen for action events
new ActionListener() {
public void actionPerformed(ActionEvent e) {
girlP.move();
//girlLabel.setLocation(px, py);
}
};
// listen for mouse presses
addMouseListener(new MouseAdapter() {
public void mousePressed(MouseEvent e) {
//lpane.remove(textBubble);
mouseClicks+= 1;
testPress(e.getX(), e.getY());
//textBubble.setBounds(e.getX(), e.getY(), 40, 40);
updateProgressBar();
}
});
//listen for player action
addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
if(e.getClickCount() == 2){
ImageIcon flowerImage = playerTool;
JLabel flowerPanel = new JLabel(flowerImage);
flowerPanel.setBounds((px -((int)girlP.getPositionX() / 2)),
(py - ((int)girlP.getPositionY() / 2)),
flowerImage.getIconWidth(),
flowerImage.getIconHeight());
lpane.add(flowerPanel, new Integer(3));
textBubble.setBounds(e.getX(), e.getY(), 200, 40);
textBubble.replaceSelection(message);
lpane.add(textBubble, new Integer(3));
//lpane.remove(textBubble);
}
}
});
x = 15;
y = 150;
ix = 0;
iy = 0;
dx = .05;
dy = .05;
girlP.setDestination(px, py);
}
public void testPress(int x, int y){
px = x;
py = y;
if (px < (ix + house.getImage().getWidth(this))
&& (py < (iy + house.getImage().getHeight(this)))) {
px = px + (house.getImage().getWidth(this)/3);
py = py + (house.getImage().getHeight(this)/3);
}
if (px > (bWIDTH - river1.getImage().getWidth(this))) {
px = px - 80 - (river1.getImage().getWidth(this)/2);
}
girlLabel.setBounds((px -((int)(girlP.getPositionX()*2.5))),
(py - ((int)(girlP.getPositionY()*2.5))),
girlImage.getIconWidth(), girlImage.getIconHeight());
girlP.setDestination((px-(girlP.getImage().getWidth(this)/2)),
(py-(girlP.getImage().getHeight(this)/2)));
girlP.pinned(x, y);
}
public void updateProgressBar(){
if(progressBar.getValue() == 3){
//progressBar.setBackground(Color.red);
//UIManager.put("progressBar.foreground", Color.RED);
UIDefaults defaults = new UIDefaults();
defaults.put("progressBar[Enabled].foregroundPainter", Color.RED);
progressBar.putClientProperty("Nimbus.Overrides.InheritDefaults", Boolean.TRUE);
progressBar.putClientProperty("Nimbus.Overrides", defaults);
}
progressBar.setValue(mouseClicks);
}
/**
* Create the GUI and show it. For thread safety,
* this method should be invoked from the
* event-dispatching thread.
*/
private static void createAndShowGUI() {
//Create and set up the window.
JFrame frame = new JFrame("Game");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//Create and set up the content pane.
JComponent newContentPane = new TitleScreenLayer();
newContentPane.setOpaque(true); //content panes must be opaque
frame.setContentPane(newContentPane);
//Display the window.
frame.pack();
frame.setVisible(true);
}
public static void main(String[] args) {
//Schedule a job for the event-dispatching thread:
//creating and showing this application's GUI.
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
createAndShowGUI();
}
});
}
}
这是玩家类：
package mod;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.image.ImageObserver;
import java.awt.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.io.*;
import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
public class Player {
int tile;
double positionX;
double positionY;
int destinationX;//Used when moving from place to place
int destinationY;
Tool currentTool;
int direction; //Position the image is facing
double dx;
double dy;
int [] pin = new int[10];
private String girl = "girl.png";
ImageIcon ii = new ImageIcon(this.getClass().getResource(girl)); // load girl image
private Image image = ii.getImage();
private boolean visible = true;
public boolean plant = false;
Image playerImage;
public double getPositionX() {
return positionX;
}
public void setPositionX(double positionX) {
this.positionX = positionX;
}
public double getPositionY() {
return positionY;
}
public void setPositionY(double positionY) {
this.positionY = positionY;
}
public Player(){
positionX=30;
positionY=20;
dx = 0.2;
dy = 0.2;
destinationX=(int)positionX;
destinationY=(int)positionY;
//this.playerImage=playerImage;
}
public void doAction() {
//currentTool.getNum();
plant = true;
}
public void pinned(int x, int y) {
if (plant == true) {
pin[0] = x;
pin[1] = y;
}
//plant = false;
}
public void plant(Graphics g, ImageObserver io) {
int x = pin[0];
int y = pin[1];
if (plant == true) {
// g.drawImage(flower.getImage(), x, y, io);
}
}
public void ActionPerformed(ActionEvent e) {
positionX += dx;
positionY += dy;
}
public boolean isVisible() {
return visible;
}
public void setVisible(Boolean visible) {
this.visible = visible;
}
public Image getImage() {
return image;
}
public void move(){
//MOVE LEFT AND RIGHT
if(destinationX<positionX){
positionX-=dx;
}
if(destinationX>positionX){
positionX+=dx;
}
//MOVE UP AND DOWN
if(destinationY<positionY){
positionY-=dy;
}
if(destinationY>positionY){
positionY+=dy;
}
}
public double setDx(double speed) {
dx = speed;
return dx;
}
public double setDy(double speed) {
dy = speed;
return dy;
}
public void TileIn(int px, int py)
{
px=destinationX;
py=destinationY;
int tileX=1;
int tileY = 1;
int bWIDTH=800;
int bHEIGHT=600;
if(px >= 0 && px <= 800*.1)
{
tileX=2;
}
else if(px> bWIDTH*.1 && px <= bWIDTH*.2)
{
tileX=3;
}
else if(px > bWIDTH*.2 && px <= bWIDTH*.3)
{
tileX=4;
}
else if(px > bWIDTH*.3 && px <= bWIDTH*.4)
{
tileX=5;
}
else if(px > bWIDTH*.4 && px <= bWIDTH*.5)
{
tileX=6;
}
else if(px > bWIDTH*.5 && px <= bWIDTH*.6)
{
tileX=7;
}
else if(px > bWIDTH*.6 && px <= bWIDTH*.7)
{
tileX=8;
}
else if(px > bWIDTH*.7 && px <= bWIDTH*.8)
{
tileX=9;
}
else if(px > bWIDTH*.8 && px <= bWIDTH*.9)
{
tileX=10;
}
else if(px > bWIDTH*.9 && px <= bWIDTH)
{
tileX=11;
}
if(py >= 0 && py <= bHEIGHT*.1)
{
tileY=2;
}
else if(py> bHEIGHT*.1 && py <= bHEIGHT*.2)
{
tileY=3;
}
else if(py > bHEIGHT*.2 && py <= bHEIGHT*.3)
{
tileY=4;
}
else if(py > bHEIGHT*.3 && py <= bHEIGHT*.4)
{
tileY=5;
}
else if(py > bHEIGHT*.4 && py <= bHEIGHT*.5)
{
tileY=6;
}
else if(py > bHEIGHT*.5 && py <= bHEIGHT*.6)
{
tileY=7;
}
else if(py > bHEIGHT*.6 && py <= bHEIGHT*.7)
{
tileY=8;
}
else if(py > bHEIGHT*.7 && py <= bHEIGHT*.8)
{
tileY=9;
}
else if(py > bHEIGHT*.8 && py <= bHEIGHT*.9)
{
tileY=10;
}
else if(py > bHEIGHT*.9 && py <= bHEIGHT)
{
tileY=11;
}
System.out.println("Grid X: " + tileX + " Grid Y: " + tileY);
}
public void setDestination(int x, int y){
destinationX=x;
destinationY=y;
System.out.println(x + "," + y);
TileIn(x,y);
}
// public void tileIn(int a)
// {
//
// b=destinationY;
// return TileIn(x,y)
// }
public void draw(Graphics g,ImageObserver io){
g.drawImage(image, (int)positionX,(int) positionY,io);
}
}
这是主要课程：
package mod;
import java.awt.Container;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import javax.swing.JFrame;
public class Skeleton2 extends JFrame /*implements WindowListener*/{
private static int DEFAULT_FPS = 80;
private Board2 bd;
public Skeleton2(long period) {
super("Skeleton");
makeGUI(period);
//addWindowListener(this);
pack();
setResizable(false);
setVisible(true);
}
public void makeGUI(long period) {
Container c = getContentPane();
bd = new Board2();
c.add(bd, "Center");
} // end of makeGUI()
//==================================================================================
// Window Events
//==================================================================================
/*
public void windowActivated(WindowEvent e) {
bd.resumeGame();
}
public void windowDeactivated(WindowEvent e) {
bd.pauseGame();
}
public void windowDeiconified(WindowEvent e) {
bd.resumeGame();
}
public void windowIconified(WindowEvent e) {
bd.pauseGame();
}
public void windowClosing(WindowEvent e) {
bd.stopGame();
}
*/
public void windowClosed(WindowEvent e) {}
public void windowOpened(WindowEvent e) {}
//==================================================================================
public static void main(String[] args) {
int fps = DEFAULT_FPS;
long period = (long) 1000.0/fps;
new Skeleton2(period);
System.out.println("Period: " + period);
}
}
答案 0 :(得分：2)
不是立即，而是“走”到给定的坐标。
然后你需要使用Swing Timer。 Timer用于安排动画。所以你需要计算两点之间的路径。每次定时器触发时，您都会将标签移动几个像素，直到它到达目的地。
没有必要为此进行自定义绘画。 JLabel会正常工作。困难的部分是计算你想要角色的路径。还要确保在添加JLabel的面板上使用空布局，这意味着您还需要将标签的大小设置为等于标签的首选大小。
答案 1 :(得分：0)
您应该在组件paintComponent方法中使用g.drawImage。