Android Open Source - Gamework Point Area

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License

The source code is released under:

Apache License

Java Source Code

package cz.robyer.gamework.scenario.area;
//w  ww  . j ava 2s.  c o  m
import cz.robyer.gamework.utils.GPoint;

/**
 * This represents circle game area based on center point and radius.
 * @author Robert P?sel
 */
public class PointArea extends Area {
  protected static int LEAVE_RADIUS = 3;
  
  protected GPoint point; // center
  protected int radius; // radius in meters
  
  public PointArea(String id, GPoint point, int radius) {
    super(id);
    this.point = point;
    this.radius = radius;
  }

  /* (non-Javadoc)
   * @see cz.robyer.gamework.scenario.area.Area#isPointInArea(double, double)
   */
  @Override
  protected boolean isPointInArea(double lat, double lon) {
    return GPoint.distanceBetween(point.latitude, point.longitude, lat, lon) < (radius + (inArea ? LEAVE_RADIUS : 0));
  }

  /**
   * Returns center point of this area.
   * @return center point
   */
  public GPoint getPoint() {
    return point;
  }

  /**
   * Returns radius of this area.
   * @return radius in meters
   */
  public int getRadius() {
    return radius;
  }
  
}

Java Source Code List

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