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

   1 /*
   2  * Sixth 3D engine. Copyright ©2012-2018, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of version 3 of the GNU Lesser General Public License
   6  * or later as published by the Free Software Foundation.
   7  *
   8  */
   9
  10 package eu.svjatoslav.sixth.e3d.gui.humaninput;
  11
  12 import eu.svjatoslav.sixth.e3d.gui.Avatar;
  13 import eu.svjatoslav.sixth.e3d.gui.ViewPanel;
  14 import eu.svjatoslav.sixth.e3d.gui.textEditorComponent.KeyboardHelper;
  15
  16 import java.awt.event.KeyEvent;
  17
  18 public class WorldNavigationUserInputTracker implements UserInputHandler {
  19
  20     @Override
  21     public boolean beforeRender(final ViewPanel viewPanel,
  22                                 final int millisecondsSinceLastFrame) {
  23
  24         trackKeys(millisecondsSinceLastFrame, viewPanel);
  25         return false;
  26     }
  27
  28     @Override
  29     public boolean focusLost(final ViewPanel viewPanel) {
  30         return false;
  31     }
  32
  33     @Override
  34     public boolean focusReceived(final ViewPanel viewContext) {
  35         return false;
  36     }
  37
  38     @Override
  39     public boolean keyPressed(final KeyEvent event, final ViewPanel viewContext) {
  40         return false;
  41     }
  42
  43     @Override
  44     public boolean keyReleased(final KeyEvent event, final ViewPanel viewContext) {
  45         return false;
  46     }
  47
  48     /**
  49      * interpret currently pressed keys
  50      */
  51     private void trackKeys(final long millisecondsSinceLastFrame,
  52                            final ViewPanel viewPanel) {
  53
  54         System.out.println("Track keys!");
  55
  56         final HIDInputTracker inputTracker = viewPanel.getHIDInputTracker();
  57
  58         final Avatar avatar = viewPanel.getAvatar();
  59
  60         final double actualAcceleration = millisecondsSinceLastFrame
  61                 * avatar.avatarAcceleration
  62                 * (1 + (avatar.getMovementSpeed() / 10));
  63
  64         if (inputTracker.isKeyPressed(KeyboardHelper.UP))
  65             avatar.getMovementVector().z += actualAcceleration;
  66
  67         if (inputTracker.isKeyPressed(KeyboardHelper.DOWN))
  68             avatar.getMovementVector().z -= actualAcceleration;
  69
  70         if (inputTracker.isKeyPressed(KeyboardHelper.RIGHT))
  71             avatar.getMovementVector().x += actualAcceleration;
  72
  73         if (inputTracker.isKeyPressed(KeyboardHelper.LEFT))
  74             avatar.getMovementVector().x -= actualAcceleration;
  75
  76         avatar.enforceSpeedLimit();
  77     }
  78 }