我正在製作一個等距遊戲環境,我希望使用按住鼠標右鍵點擊並移動鼠標環顧地圖。等距遊戲鼠標邏輯和圍繞環境的運動
該機芯首次正常工作,但是當我第二次嘗試時,它會將其自身重置爲原始位置,然後再移動。我知道這是關於鼠標位置對於移動的背景有幫助的,但是我嘗試了一些解決方案,但邏輯還是沒有辦法讓我知道,有沒有人可以幫助我找出我做錯了什麼,事先要感謝。
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());
}
});
}
}
這個問題是否會成爲GameDev.SE上更好的問題之一? – Arc676
@ Arc676:不,我認爲這個網站是適合這個問題的網站,但我擔心爲了回答它,我們需要更多的信息和工作代碼,最好是[mcve]。 –
實際上沒有太多的代碼,背景是以0,0爲單位繪製的,當mouseDragged方法被調用並繼續重繪時,我將鼠標移動到其x和y上。 ,你想看什麼代碼? –