/*
    * AbstractPolyhedron.java
    *
    * Created on November 29, 2007, 9:45 AM
    *
    * To change this template, choose Tools | Template Manager
    * and open the template in the editor.
    */
   
  package org.lcsim.detector.solids;
  
  import hep.physics.vec.Hep3Vector;
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   *
   * This solid represents a bounded convex 3D polyhedron.
   *
   * @author tknelson
   */
  public abstract class AbstractPolyhedron extends AbstractSolid implements IPolyhedron
  {
      
      /** Creates a new instance of AbstractPolyhedron */
      public AbstractPolyhedron(String name)
      {
          super(name);
      }
      
      public Inside inside(Hep3Vector p)
      {
          Point3D point = new Point3D(p);
          
          boolean inside = true;
          for (Polygon3D face : getFaces())
          {
              if (GeomOp3D.intersects(point,face)) return Inside.SURFACE;
              inside = inside && (GeomOp3D.distanceBetween(point,face.getPlane()) < 0);
          }
          
          if (inside) return Inside.INSIDE;
          else return Inside.OUTSIDE;
      }
      
      public List<Polygon3D> getFacesNormalTo(Hep3Vector normal)
      {
          List<Polygon3D> faces = new ArrayList<Polygon3D>();
        
          for (Polygon3D face : getFaces())
          {
              if (GeomOp3D.isNormal(normal,face)) 
              {
                  faces.add(face);
              }
          }
          return faces;
      }
      
  }