我正在制作一个等距游戏环境,我希望使用按住鼠标右键点击并移动鼠标环顾地图。等距游戏鼠标逻辑和围绕环境的运动
该机芯首次正常工作,但是当我第二次尝试时,它会将其自身重置为原始位置,然后再移动。我知道这是关于鼠标位置对于移动的背景有帮助的,但是我尝试了一些解决方案,但逻辑还是没有办法让我知道,有没有人可以帮助我找出我做错了什么,事先要感谢。
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.Timer;
public class CameraMovementTest extends JPanel{
private Timer timer;
private int DELAY = 10;
private CustomMouseListener mouseListener;
private int positionX = 0, positionY = 0;
public CameraMovementTest() {
mouseListener = new CustomMouseListener();
this.addMouseListener(mouseListener);
this.addMouseMotionListener(mouseListener);
this.setSize(500,500);
this.setVisible(true);
//Swing Timer
timer = new Timer(DELAY, new ActionListener(){
@Override
public void actionPerformed(ActionEvent arg0) {
update();
repaint();
validate();
}
});
timer.start();
}
private void update() {
if(mouseListener!=null){
positionX = mouseListener.getX();
positionY = mouseListener.getY();
}
}
@Override
public void paint(Graphics g) {
super.paint(g);
g.fillRect(positionX, positionY, 300,300);
}
public class CustomMouseListener implements MouseListener, MouseMotionListener {
private int positionX = 0, positionY = 0;
private int mouseClickX, mouseClickY;
@Override
public void mousePressed(MouseEvent evt) {
if(SwingUtilities.isRightMouseButton(evt)) {
mouseClickX = evt.getX();
mouseClickY = evt.getY();
}
}
@Override
public void mouseDragged(MouseEvent evt) {
if(SwingUtilities.isRightMouseButton(evt)) {
positionX = mouseClickX - evt.getX();
positionY = mouseClickY - evt.getY();
}
}
@Override
public void mouseMoved(MouseEvent arg0) {}
@Override
public void mouseClicked(MouseEvent arg0) { }
@Override
public void mouseEntered(MouseEvent arg0) { }
@Override
public void mouseExited(MouseEvent arg0) {}
@Override
public void mouseReleased(MouseEvent arg0) {}
public int getX(){
return positionX;
}
public int getY(){
return positionY;
}
}
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
JFrame f = new JFrame();
f.setVisible(true);
f.setSize(new Dimension(500,500));
f.setContentPane(new CameraMovementTest());
}
});
}
}
这个问题是否会成为GameDev.SE上更好的问题之一? – Arc676
@ Arc676:不,我认为这个网站是适合这个问题的网站,但我担心为了回答它,我们需要更多的信息和工作代码,最好是[mcve]。 –
实际上没有太多的代码,背景是以0,0为单位绘制的,当mouseDragged方法被调用并继续重绘时,我将鼠标移动到其x和y上。 ,你想看什么代码? –