Danbias/OysterPhysics3D/Collision/Frustrum.h

/////////////////////////////////////////////////////////////////////
// Created by Dan Andersson 2013
/////////////////////////////////////////////////////////////////////

#pragma once
#ifndef OYSTER_COLLISION_3D_FRUSTRUM_H
#define OYSTER_COLLISION_3D_FRUSTRUM_H

#include "OysterMath.h"
#include "ICollideable.h"
#include "Plane.h"

namespace Oyster { namespace Collision3D
{

	class Frustrum : public ICollideable
	{
	public:
		
		union
		{
			struct{ class Plane plane[6]; };
			struct
			{ class Plane leftPlane, rightPlane, bottomPlane, topPlane, nearPlane, farPlane; };
		};

		Frustrum( );
		Frustrum( const ::Oyster::Math::Float4x4 &viewProjection );
		virtual ~Frustrum( );

		Frustrum & operator = ( const Frustrum &frustrum );
		Frustrum & operator = ( const ::Oyster::Math::Float4x4 &viewProjection );

		void Split( Frustrum targetList[], unsigned int numX, unsigned int numY = 1U, unsigned int numZ = 1u ) const;
		void WriteToByte( unsigned char targetMem[], unsigned int &nextIndex ) const;

		virtual ::Utility::Memory::UniquePointer<ICollideable> Clone( ) const;
		bool Intersects( const ICollideable *target ) const;
		bool Contains( const ICollideable *target ) const;
	};
} }

#endif