/****************************************************************************
Copyright (c) 2010 cocos2d-x.org

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****************************************************************************/

#ifndef __CCCAMERA_ACTION_H__
#define __CCCAMERA_ACTION_H__
#include "CCActionInterval.h"

namespace cocos2d {
	class CCCamera;

	/** 
	@brief Base class for CCCamera actions
	*/
	class CCX_DLL CCActionCamera : public CCActionInterval //<NSCopying> 
	{
	public:
		CCActionCamera()
			:m_fCenterXOrig(0)
			,m_fCenterYOrig(0)
			,m_fCenterZOrig(0)
			,m_fEyeXOrig(0)
			,m_fEyeYOrig(0)
			,m_fEyeZOrig(0)
			,m_fUpXOrig(0)
			,m_fUpYOrig(0)
			,m_fUpZOrig(0)
		{}
		virtual ~CCActionCamera(){}
		// super methods
		virtual void startWithTarget(CCNode *pTarget);
		virtual CCActionInterval * reverse();
	protected:
		float m_fCenterXOrig;
		float m_fCenterYOrig;
		float m_fCenterZOrig;

		float m_fEyeXOrig;
		float m_fEyeYOrig;
		float m_fEyeZOrig;

		float m_fUpXOrig;
		float m_fUpYOrig;
		float m_fUpZOrig;
	};

	/** 
	@brief CCOrbitCamera action
	Orbits the camera around the center of the screen using spherical coordinates
	*/
	class CCX_DLL CCOrbitCamera : public CCActionCamera //<NSCopying> 
	{
	public:
		CCOrbitCamera(){}
		~CCOrbitCamera(){}
		/** creates a CCOrbitCamera action with radius, delta-radius,  z, deltaZ, x, deltaX */
		static CCOrbitCamera * actionWithDuration(float t, float radius, float deltaRadius, float angleZ, float deltaAngleZ, float angleX, float deltaAngleX);
		/** initializes a CCOrbitCamera action with radius, delta-radius,  z, deltaZ, x, deltaX */
		bool initWithDuration(float t, float radius, float deltaRadius, float angleZ, float deltaAngleZ, float angleX, float deltaAngleX);
		/** positions the camera according to spherical coordinates */
		void sphericalRadius(float *r, float *zenith, float *azimuth);
		// super methods
		virtual NSObject* copyWithZone(NSZone* pZone);
		virtual void startWithTarget(CCNode *pTarget);
		virtual void update(ccTime time);

	protected:
		float m_fRadius;
		float m_fDeltaRadius;
		float m_fAngleZ;
		float m_fDeltaAngleZ;
		float m_fAngleX;
		float m_fDeltaAngleX;

		float m_fRadZ;
		float m_fRadDeltaZ;
		float m_fRadX;
		float m_fRadDeltaX;
	};

} // namespace cocos2d

#endif //__CCCAMERA_ACTION_H__