#pragma once

#include "Camera.h"

class Impostor
{
public:
	Impostor(void);
	~Impostor(void);

	void Display();
	void updateCamera(bool forceRefresh);
	void setViewCamera(Camera* camera){m_ViewCamera=camera;}
	Camera* getCamera(){return m_ViewCamera;}
	Camera getOwnCamera(){return m_OwnCamera;}
	void SetErrorTolerance(double error){m_ErrorTolerance=error;}

	bool NeedRefresh;
	void setObjSphereRadius(double radius){m_ObjectBSphereRadius=radius;}
	void setObjPosition(Vector position){m_ObjectPosition=position;}
	
	void ApplyCameraTransform(){m_OwnCamera.SetViewandProjection();}
	void ApplyCameraTransformOrto(){m_OwnCamera.SetViewandProjectionOrto();}

	Vector m_UpRight;
	Vector m_UpLeft;
	Vector m_DownRight;
	Vector m_DownLeft;
	
	void DisplayScreenQuad(int u=1,int v=1);

	double Vertices[12];
	double UVs[8];

private:

	Camera m_OwnCamera;
	Camera* m_ViewCamera;	

	double m_ErrorTolerance;
	double m_ObjectBSphereRadius;
	Vector m_ObjectPosition;
};