SiShapePlane.h

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// Copyright (C) 2002-2017, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valuable  
// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Teigha(R) software pursuant to a license 
//   agreement with Open Design Alliance.
//   Teigha(R) Copyright (C) 2002-2017 by Open Design Alliance. 
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you 
// acknowledge and accept the above terms.
 
#ifndef _SiShapePlane_h_Included_
#define _SiShapePlane_h_Included_
 
#include "Ge/GePlane.h"
#include "Ge/GeExtents3d.h"
#include "Si/SiSpatialIndex.h"
 
#include "TD_PackPush.h"
 
struct OdSiShapePlane : public OdSiShape {
  OdGePoint3d m_pointOnPlane;
  OdGeVector3d m_planeNormal;
 
  OdSiShapePlane( const OdGePoint3d& pointOnPlane, const OdGeVector3d& planeNormal ) {
    m_pointOnPlane = pointOnPlane;
    m_planeNormal = planeNormal;
  }
  OdSiShapePlane( const OdGePlane& plane ) {
    m_pointOnPlane = plane.pointOnPlane();
    m_planeNormal = plane.normal();
  }
  inline double signedDistanceTo( const OdGePoint3d& pt ) const {
    return m_planeNormal.dotProduct( pt - m_pointOnPlane );
  }
  bool contains( const OdGeExtents3d& , bool , const OdGeTol&  ) const {
    return false;
  }
  bool intersects( const OdGeExtents3d& extents, bool planar, const OdGeTol& tol ) const {
    const OdGePoint3d& minPt = extents.minPoint();
    double e = tol.equalPoint();
    if( OdLess( signedDistanceTo( minPt ), 0.0, e ) ) {
      const OdGePoint3d& maxPt = extents.maxPoint();
      if( !OdLess( signedDistanceTo( maxPt ), 0.0, e ) ) {
        return true;
      }
      OdGePoint3d pt( minPt.x, minPt.y, maxPt.z );
      if( !OdLess( signedDistanceTo( pt ), 0.0, e ) ) {
        return true;
      }
      pt.set( minPt.x, maxPt.y, minPt.z );
      if( !OdLess( signedDistanceTo( pt ), 0.0, e ) ) {
        return true;
      }
      pt.set( maxPt.x, minPt.y, minPt.z );
      if( !OdLess( signedDistanceTo( pt ), 0.0, e ) ) {
        return true;
      }
      pt.set( maxPt.x, maxPt.y, minPt.z );
      if( !OdLess( signedDistanceTo( pt ), 0.0, e ) ) {
        return true;
      }
      pt.set( maxPt.x, minPt.y, maxPt.z );
      if( !OdLess( signedDistanceTo( pt ), 0.0, e ) ) {
        return true;
      }
      pt.set( minPt.x, maxPt.y, maxPt.z );
      if( !OdLess( signedDistanceTo( pt ), 0.0, e ) ) {
        return true;
      }
      return false;
    }
    else if( OdGreater( signedDistanceTo( minPt ), 0.0, e ) ) {
      const OdGePoint3d& maxPt = extents.maxPoint();
      if( !OdGreater( signedDistanceTo( maxPt ), 0.0, e ) ) {
        return true;
      }
      OdGePoint3d pt( minPt.x, minPt.y, maxPt.z );
      if( !OdGreater( signedDistanceTo( pt ), 0.0, e ) ) {
        return true;
      }
      pt.set( minPt.x, maxPt.y, minPt.z );
      if( !OdGreater( signedDistanceTo( pt ), 0.0, e ) ) {
        return true;
      }
      pt.set( maxPt.x, minPt.y, minPt.z );
      if( !OdGreater( signedDistanceTo( pt ), 0.0, e ) ) {
        return true;
      }
      pt.set( maxPt.x, maxPt.y, minPt.z );
      if( !OdGreater( signedDistanceTo( pt ), 0.0, e ) ) {
        return true;
      }
      pt.set( maxPt.x, minPt.y, maxPt.z );
      if( !OdGreater( signedDistanceTo( pt ), 0.0, e ) ) {
        return true;
      }
      pt.set( minPt.x, maxPt.y, maxPt.z );
      if( !OdGreater( signedDistanceTo( pt ), 0.0, e ) ) {
        return true;
      }
      return false;
    }
    return true; // point on plane
  }
};
 
#include "TD_PackPop.h"
 
#endif