src/main/java/eu/svjatoslav/sixth/e3d/gui/humaninput/WorldNavigationUserInputTracker.java

   1 /*
   2  * Sixth 3D engine. Author: Svjatoslav Agejenko.
   3  * This project is released under Creative Commons Zero (CC0) license.
   4  */
   5 package eu.svjatoslav.sixth.e3d.gui.humaninput;
   6
   7 import eu.svjatoslav.sixth.e3d.gui.Avatar;
   8 import eu.svjatoslav.sixth.e3d.gui.ViewPanel;
   9 import eu.svjatoslav.sixth.e3d.gui.ViewRenderListener;
  10
  11 import java.awt.event.KeyEvent;
  12
  13 public class WorldNavigationUserInputTracker implements KeyboardInputHandler, ViewRenderListener {
  14
  15     @Override
  16     public boolean beforeRender(final ViewPanel viewPanel,
  17                                 final int millisecondsSinceLastFrame) {
  18
  19         final HIDEventTracker inputTracker = viewPanel.getHIDInputTracker();
  20
  21         final Avatar avatar = viewPanel.getAvatar();
  22
  23         final double actualAcceleration = (long) millisecondsSinceLastFrame
  24                 * avatar.avatarAcceleration
  25                 * (1 + (avatar.getMovementSpeed() / 10));
  26
  27         if (inputTracker.isKeyPressed(KeyboardHelper.UP))
  28             avatar.getMovementVector().z += actualAcceleration;
  29
  30         if (inputTracker.isKeyPressed(KeyboardHelper.DOWN))
  31             avatar.getMovementVector().z -= actualAcceleration;
  32
  33         if (inputTracker.isKeyPressed(KeyboardHelper.RIGHT))
  34             avatar.getMovementVector().x += actualAcceleration;
  35
  36         if (inputTracker.isKeyPressed(KeyboardHelper.LEFT))
  37             avatar.getMovementVector().x -= actualAcceleration;
  38
  39         avatar.enforceSpeedLimit();
  40
  41         return false;
  42     }
  43
  44     @Override
  45     public boolean focusLost(final ViewPanel viewPanel) {
  46         viewPanel.removeViewRenderListener(this);
  47         return false;
  48     }
  49
  50     @Override
  51     public boolean focusReceived(final ViewPanel viewPanel) {
  52         viewPanel.addViewRenderListener(this);
  53         return false;
  54     }
  55
  56     @Override
  57     public boolean keyPressed(final KeyEvent event, final ViewPanel viewContext) {
  58         return false;
  59     }
  60
  61     @Override
  62     public boolean keyReleased(final KeyEvent event, final ViewPanel viewContext) {
  63         return false;
  64     }
  65
  66 }