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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | // Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.1 (2010/10/01)
#ifndef WM5CONVEXREGIONMANAGER_H
#define WM5CONVEXREGIONMANAGER_H
#include "Wm5GraphicsLIB.h"
#include "Wm5BspNode.h"
#include "Wm5ConvexRegion.h"
#include "Wm5CRMCuller.h"
namespace Wm5
{
class WM5_GRAPHICS_ITEM ConvexRegionManager : public BspNode
{
WM5_DECLARE_RTTI;
WM5_DECLARE_NAMES;
WM5_DECLARE_STREAM(ConvexRegionManager);
public:
// Construction and destruction. The BSP tree should be built so that
// the leaf nodes are where the ConvexRegion objects are located.
ConvexRegionManager ();
ConvexRegionManager (const HPlane& modelPlane);
virtual ~ConvexRegionManager ();
// The middle child of ConvexRegionManager is where the representation
// of the outside of the set of regions is stored. This can be an
// arbitrary subgraph, not just drawable geometry.
SpatialPtr AttachOutside (Spatial* outside);
SpatialPtr DetachOutside ();
SpatialPtr GetOutside ();
// Determine region that contains the point. If the point is outside
// the set of regions, the return values is null.
ConvexRegion* GetContainingRegion (const APoint& point);
protected:
// Support for culling.
virtual void GetVisibleSet (Culler& culler, bool noCull);
CRMCuller mCuller;
};
WM5_REGISTER_STREAM(ConvexRegionManager);
typedef Pointer0<ConvexRegionManager> ConvexRegionManagerPtr;
}
#endif
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