aabb.h

小型的3D游戏引擎

////////////////////////////////////////////////////
// Axis-aligned bounding box
// 2003-03-15
////////////////////////////////////////////////////
#ifndef _AABB_H_
#define _AABB_H_
#include "../entity/trsnode.h"
//#include "plane.h"

class GcAABB : public GcTRSNode
{
	public:
		GcAABB();
		GcAABB( GcVector3 & v );
		GcAABB( GcVector3 & v, GcVector3 & pos );
		GcAABB( GcAABB & aabb );
		
		void RenderOutlines();
		const bool Intersects( GcAABB * box );
//		const bool Intersects( GcPlane & plane );
		inline const bool Intersects( GcAABB & plane ); // FIXME: Make param const
		void SetExtents( GcVector3 & v );
		std::string Info();

		float Extent( int i ) { return m_extents[i]; }
		const GcVector3 & GetExtent() const { return m_extents; }
		GcVector3 & GetExtents() { return m_extents; }
		GcVector3 * GetOrthogonals() { return m_orthogonals; }
		GcVector3 & GetOrthogonal( int i ) { return m_orthogonals[i]; }
		void Render() {}
		GcVector3 Point( int i );
		
		//const GcVector3 Center() const { return GcVector3( GetWorldTranslation() ); }

	protected:
		GcVector3 m_extents;
		GcVector3 m_orthogonals[3];
		GcVector3 m_points[8];
		

};

#endif /* _AABB_H_ */