Android Open Source - 4est Gl View

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License

The source code is released under:

MIT License

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Java Source Code

package com.wordsaretoys.forest;
/*w w  w. j  a  v  a  2s.  c om*/
import android.content.Context;
import android.opengl.GLSurfaceView;
import android.util.AttributeSet;
import android.view.GestureDetector;
import android.view.GestureDetector.SimpleOnGestureListener;
import android.view.MotionEvent;

import com.wordsaretoys.rise.geometry.Vector;

public class GlView extends GLSurfaceView {

  // gesture detector & listener
  GestureDetector gestureDetector;
  GestureListener gestureListener;
  
  /**
   * xml-compatible ctor
   */
  public GlView(Context context, AttributeSet attrs) {
    super(context, attrs);
    
    Shared.glView = this;
    setEGLContextClientVersion(2);
    setRenderer(new Render());
    
    gestureListener = new GestureListener();
    gestureDetector = new GestureDetector(context, gestureListener);
    gestureDetector.setIsLongpressEnabled(false);
  }
  
  /**
   * periodic update
   */
  public void update() {
/*    String target = "nothing";
    Camera camera = Shared.player.camera;
    Vector p = Shared.debris.locate(camera.position);
    if (p != null) {
      t_p.copy(p).sub(camera.position);
      float dd = t_p.length();
      t_p.norm();
      float dp = t_p.dot(camera.front);
      target = dp + ", " + dd;
    }
    Shared.dbg.set("target", target); */
  }
  Vector t_p = new Vector();

  @Override
  public boolean onTouchEvent(MotionEvent e) {
    // handle raw events for movement
    switch (e.getActionMasked()) {
    case MotionEvent.ACTION_DOWN:
      Shared.player.setMove(true);
      break;
    case MotionEvent.ACTION_UP:
      Shared.player.setMove(false);
      break;
    }
    return gestureDetector.onTouchEvent(e) || super.onTouchEvent(e);
  }

  /**
   * gesture detector listener
   */
  class GestureListener extends SimpleOnGestureListener {
    
    @Override
    public boolean onDown(MotionEvent e) {
      // must return true for other events to happen
      return true;
    }
    
    @Override
    public boolean onScroll(MotionEvent e0, MotionEvent e1, float dx, float dy) {
      Shared.player.setLook(dx, dy);
      return true;
    }
    
  }
  
}

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