Android Open Source - jmini3d Demo Scene Controller

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License

The source code is released under:

Copyright 2012 Mobialia http://www.mobialia.com/ Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to ...

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Java Source Code

package jmini3d.demo;
/*from  w w  w .  j a  va2  s  .c om*/
import java.util.HashMap;

import jmini3d.Scene;
import jmini3d.SceneController;
import jmini3d.Vector3;
import jmini3d.input.KeyListener;
import jmini3d.input.TouchListener;
import jmini3d.input.TouchPointer;

public class DemoSceneController implements SceneController, TouchListener, KeyListener {
  float cameraAngle;
  long initialTime;

  int sceneIndex = 0;
  Scene scenes[] = {new TeapotScene(), new CubeScene(), new EnvMapCubeScene(), new CubesScene(), new NormalMapScene()};
  int cameraModes[] = {0, 0, 0, 0, 1};

  public DemoSceneController() {
    initialTime = System.currentTimeMillis();
  }

  @Override
  public Scene getScene() {
    return scenes[sceneIndex];
  }

  @Override
  public boolean updateScene(int width, int height) {
    scenes[sceneIndex].setViewPort(width, height);

    // Rotate camera...
    cameraAngle = 0.0005f * (System.currentTimeMillis() - initialTime);

    float d = 5;
    Vector3 target = scenes[sceneIndex].getCamera().getTarget();
    scenes[sceneIndex].getCamera().setPosition((float) (target.x - d * Math.cos(cameraAngle)), //
        (float) (target.y - d * Math.sin(cameraAngle)), //
        target.z + (cameraModes[sceneIndex] == 0 ? (float) (d * Math.sin(cameraAngle)) : d / 2)//
    );
    ((ParentScene) scenes[sceneIndex]).update();

    return true;
  }

  private void nextScene() {
    if (sceneIndex >= scenes.length - 1) {
      sceneIndex = 0;
    } else {
      sceneIndex++;
    }
  }

  private void previousScene() {
    if (sceneIndex <= 0) {
      sceneIndex = scenes.length - 1;
    } else {
      sceneIndex--;
    }
  }

  @Override
  public boolean onTouch(HashMap<Integer, TouchPointer> pointers) {
    for (Integer key : pointers.keySet()) {
      TouchPointer pointer = pointers.get(key);
      if (pointer.status == TouchPointer.TOUCH_DOWN) {
        if (pointer.x > scenes[sceneIndex].getCamera().getWidth() / 2) {
          nextScene();
        } else {
          previousScene();
        }
      }
    }
    return true;
  }

  @Override
  public boolean onKeyDown(int key) {
    switch (key) {
      case KeyListener.KEY_RIGHT:
        nextScene();
        return true;
      case KeyListener.KEY_LEFT:
        previousScene();
        return true;
    }
    return false;
  }

  @Override
  public boolean onKeyUp(int key) {
    return false;
  }
}

Java Source Code List