force.h

c++程序

// Force.h: Schnittstelle f黵 die Klasse CForce.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_FORCE_H__9A5F4862_A918_11D1_8F4C_D0A07CC10100__INCLUDED_)
#define AFX_FORCE_H__9A5F4862_A918_11D1_8F4C_D0A07CC10100__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

// Array index for axis
const int x = 0;
const int y = 1;
const int z = 2;

class CForce  
{
public:
	void SetVectorLength(float fLength);
	void SlowDown(float fAmount);
	void ResetForce();
	/* 
	// Member data acess functions
	// (No need - use overloaded operators)
	float GetX() const { return m_Vector[x]; };
	float GetY() const { return m_Vector[y]; };
	float GetZ() const { return m_Vector[z]; };
	void SetX(float fX) { m_Vector[x] = fX; };
	void SetY(float fY) { m_Vector[y] = fY; };
	void SetZ(float fZ) { m_Vector[z] = fZ; };
	*/
	// Calculate the vector length
	float GetForceVectorLength();
	// Overloaded operators
	CForce operator+ (const CForce &);
	float operator[] (unsigned short iOffset) const;
	float &operator[] (unsigned short iOffset);
	void operator+= (const CForce &);
	// Construcktion / destrucktion
	CForce();
	virtual ~CForce();
private:
	float m_Vector[3];
};

#endif // !defined(AFX_FORCE_H__9A5F4862_A918_11D1_8F4C_D0A07CC10100__INCLUDED_)