Databases
StackOverflow2013
Postsdbo
POKeyListener and MouseListener not working
 

Note that there are some explanatory texts on larger screens.

plurals
  1. POKeyListener and MouseListener not working
    primarykey
    data
    text
    <p>Im working on making a simple Java game and had the great idea of separating my input handling to a separate class then the main game. I am having trouble getting my InputHandler class to actually receive input. </p> <p>Main Game Class (DrawPanel.java)</p> <pre><code>package com.eriksaulnier.DesignedToFail; import java.awt.*; import java.awt.image.*; import com.eriksaulnier.DesignedToFail.InputHandler; import javax.swing.*; public class DrawPanel extends JPanel { private static final long serialVersionUID = 1L; BufferedImage buffer; InputHandler inputHandler; Entity player; Entity enemy; public boolean spawnBullet = false; public DrawPanel () { setIgnoreRepaint(true); setVisible(true); setFocusable(true); addKeyListener(inputHandler); addMouseListener(inputHandler); new InputHandler(); } public void initialize() { buffer = new BufferedImage(800,600,BufferedImage.TYPE_INT_RGB); player = new Entity(370, 270); enemy = new Entity(100, 100); } public void update() { player.move(); } public void checkCollisions() { if (player.getBounds().intersects(enemy.getBounds())) player.collision = true; else player.collision = false; } public void drawBuffer() { Graphics2D b = buffer.createGraphics(); b.setColor(Color.white); b.fillRect(0, 0, 800, 600); if (player.collision == false) { b.setColor(Color.blue); b.fillRect(player.getX(), player.getY(), player.getWidth(), player.getHeight()); b.setColor(Color.red); b.fillRect(enemy.getX(), enemy.getY(), enemy.getWidth(), enemy.getHeight()); b.dispose(); } else { b.setColor(Color.black); b.drawString("Collision!", 350, 300); b.dispose(); } } public void drawScreen() { Graphics2D g = (Graphics2D)this.getGraphics(); g.drawImage(buffer, 0, 0, this); Toolkit.getDefaultToolkit().sync(); g.dispose(); } public void startGame() { initialize(); while(true) { try { update(); checkCollisions(); drawBuffer(); drawScreen(); Thread.sleep(15); } catch(Exception e) { e.printStackTrace(); } } } } </code></pre> <p>InputHandler (InputHandler.java)</p> <pre><code>package com.eriksaulnier.DesignedToFail; import java.awt.event.KeyListener; import java.awt.event.MouseListener; import java.awt.event.KeyEvent; import java.awt.event.MouseEvent; import javax.swing.JPanel; public class InputHandler extends JPanel implements KeyListener, MouseListener { public boolean isShooting = false; Entity player; public InputHandler () { System.out.println("Listener Works!"); } public void mouseClicked(MouseEvent e) { } public void mousePressed(MouseEvent e) { int button = e.getButton(); if (button == MouseEvent.BUTTON1) isShooting = true; System.out.println("Shooting!"); } public void mouseReleased(MouseEvent e) { int button = e.getButton(); if (button == MouseEvent.BUTTON1) isShooting = false; System.out.println("Not Shooting!"); } public void mouseEntered(MouseEvent e) { } public void mouseExited(MouseEvent e) { } public void keyTyped(KeyEvent e) { } public void keyPressed(KeyEvent e) { int key = e.getKeyCode(); if (key == KeyEvent.VK_W) player.up = true; if (key == KeyEvent.VK_S) player.down = true; if (key == KeyEvent.VK_A) player.left = true; if (key == KeyEvent.VK_D) player.right = true; } public void keyReleased(KeyEvent e) { int key = e.getKeyCode(); if (key == KeyEvent.VK_W) player.up = false; if (key == KeyEvent.VK_S) player.down = false; if (key == KeyEvent.VK_A) player.left = false; if (key == KeyEvent.VK_D) player.right = false; } } </code></pre>
    singulars
    1. PO
      singulars
      1. PTAnswer
    1. This table or related slice is empty.
    1. PTQuestion
    1. USHovercraft Full Of Eels
    1. USErik Saulnier
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
      singulars
      1. PTAnswer
    2. PO
      singulars
      1. PTAnswer
    1. VO
      singulars
      1. POKeyListener and MouseListener not working
      1. This table or related slice is empty.
      1. VTUpMod
    1. This table or related slice is empty.
 

Querying!

 
Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload