Java Game Development(30) - Final Mouse Input

import java.awt.*;

import java.awt.event.*;

public class MouseInput extends Core implements KeyListener, MouseMotionListener, MouseListener, MouseWheelListener {

public static void main(String[] args) {

new MouseInput().run();

}

private String mess = "";

//init

public void init() {

super.init();

Window w = s.getFullScreenWindow();

w.addMouseListener(this); → 當鼠標點擊

w.addMouseMotionListener(this); → 當鼠標拖動和移動

w.addMouseWheelListener(this); → 內置鼠標的方法

w.addKeyListener(this);

}

//繪製方法

public synchronized void draw(Graphics2D g) {

Window w = s.getFullScreenWindow();

g.setColor(w.getBackground());

g.fillRect(0, 0, s.getWidth(), s.getHeight());

g.setColor(w.getForeground());

g.drawString(mess, 30, 30);

}

//鼠標監聽器

public void mousePressed(MouseEvent e) {

mess = "You pressed down the mouse";

}

public void mouseReleased(MouseEvent e) {

mess = "You released the mouse";

}

public void mouseClicked(MouseEvent e) {}

public void mouseEntered(MouseEvent e) {}

public void mouseExited(MouseEvent e) {}

//鼠標移動界面

public void mouseDragged(MouseEvent e) {

mess = "You're dragging the mouse";

}

public void mouseMoved(MouseEvent e) {

mess = "You're moving the mouse";

}

//鼠標滾輪界面

public void mouseWheelMoved(MouseWheelEvent e) {

mess = "You're moving the mouse wheel";

}

//按下的鍵

public void keyPressed(KeyEvent e) {

int keyCode = e.getKeyCode();

if (keyCode == KeyEvent.VK_ESCAPE) {

stop();

} else {

mess = "Pressed: " + KeyEvent.getKeyText(keyCode);

e.consume();

}

}

//釋放鍵

public void keyReleased(KeyEvent e) {

int keyCode = e.getKeyCode();

mess = "Released: " + KeyEvent.getKeyText(keyCode);

e.consume();

}

public void keyTyped(KeyEvent e) {

e.consume();

}

}

當運行這個程序，拖動或移動鼠標，消息將顯示在屏幕上: