//////////////////////////////////////////////////////////////////////////////
//文件 Point2D.h
//主要功能: 
//		基础类库
//程序编写:		2005-12-07
/////////////////////////////////////////////////////////////////////////////

#pragma once

#include "math.h"

#define ZERO	1e-10

namespace NBase
{

	class CSize8;
	class dfPoint;
	//class CPoint3D;

	class AFX_EXT_CLASS CPoint2D
	{
	public:
		CPoint2D(double xx, double yy);
		CPoint2D(const CPoint2D& pt);
		CPoint2D(const CSize8& st);
		CPoint2D(void);
		virtual ~CPoint2D(void);

	public:
		double x0,y0;

	public:
		CPoint2D operator +(const CPoint2D &point);
		CPoint2D operator /(const CPoint2D &point);
		void operator =(const CPoint2D &point);
		void operator =(const dfPoint &point);
		void operator =(const CPoint &point);
		void operator =(const CSize8 &sz);
		BOOL operator==(const CPoint2D &point);
		BOOL operator==(const CPoint2D &point) const;
		void operator +=(const CPoint2D& point);
		void operator -=(const CPoint2D& point);
		void operator *=(const CPoint2D& point);
		void operator /=(const CPoint2D& point);
		void operator +=(const double dist);
		void operator -=(const double dist);
		void operator *=(const double factor);
		void operator /=(const double den);

		virtual void Offset(double dx, double dy);
		virtual void ScaleCoor(double xs, double ys, double dx, double dy);
		virtual void Rotate(double xs, double ys, double angle);
		void SetPoint(double xx, double yy);
		void Rotate(double angle);
		double Distance(const CPoint2D& pt) const;

		double Dot(const CPoint2D& pt) const;
		CPoint2D Normalize() const;

		virtual double Abs() const;		//xy平方和的根
		virtual double squareAbs() const;	//xy平方和
	};

	class AFX_EXT_CLASS CSize8
	{
	public:
		CSize8(void);
		CSize8(double sx,double sy);
		CSize8(const CSize8& sz);
		CSize8(const CPoint2D& point);
		virtual ~CSize8(void);

		virtual void Serialize(CArchive& ar);

		void operator=(const CSize8& sz);
		void operator=(const CSize& sz);
		void operator=(const CPoint2D& point);
		BOOL operator==(const CSize8& sz);
		void operator +=(const CSize8& sz);
		void operator -=(const CSize8& sz);
		void operator +=(const double sz);
		void operator -=(const double sz);
		void SetSize(double sx, double sy);
		void ScaleSize(double sx, double sy);
		void Rotate(double angle);

		double cx;
		double cy;
	};

	#define AXIS_X		1
	#define AXIS_Y		2
	#define AXIS_Z		3

	class AFX_EXT_CLASS CPoint3D : public CPoint2D
	{
	public:
		CPoint3D(void);
		CPoint3D(double x, double y, double z);
		virtual ~CPoint3D(void);

		double z0;

		void Create(double x, double y, double z);
		void SetPoint(double x, double y, double z);

		double&	 operator[](int idx)			{ return idx!=0 ? (idx==1 ? y0 : z0) : x0; }
		double	 operator[](int idx) const	{ return idx!=0 ? (idx==1 ? y0 : z0) : x0; }
		CPoint3D operator+(const CPoint3D&) const;
		CPoint3D operator-(const CPoint3D&) const;
		CPoint3D operator*(double) const;
		CPoint3D operator/(double) const;
		void operator=(const CPoint3D& t);
		void operator=(const CPoint2D& t);
		void operator+=(const CPoint3D& t);
		void operator-=(const CPoint3D& t);
		void operator/=(const CPoint3D& t);
		void operator*=(const CPoint3D& t);
		void operator*=(double ds);
		double Distance2(CPoint3D& other);
		double Distance(CPoint3D& other);

		void Rotate(double angle, int nRotateAxis);
		void Rotate(double cosa,double sina, int nRotateAxis);
		void Rotate(double xm,double ym,double zm,double angle,int nRotateAxis);

		CPoint3D Cross(const CPoint3D& b) const;
		CPoint3D Normalize() const;
		double	 Dot(const CPoint3D& b) const;

		virtual double Abs() const;
	};

	class AFX_EXT_CLASS CRect3D
	{
	public:
		CRect3D(void);
		~CRect3D(void);

		void		SetRect(CPoint3D ptMin, CPoint3D ptMax);
		CPoint3D	CenterPoint(void);
		void		NormalizeRect(void);

		double		Width(void);	//dx
		double		Height(void);	//dy
		double		Depth(void);	//dz

		void InflateRect(double x, double y, double z);
		void DeflateRect(double x, double y, double z);

		CPoint3D m_ptMin;
		CPoint3D m_ptMax;
	};

	class AFX_EXT_CLASS dfPoint : public CPoint3D
	{
	public:
		dfPoint()
			:l(0), no(0)
		{
		}
		
		double l;
		int no;
	};

	typedef CList<dfPoint, dfPoint> CPointList;

};
using namespace NBase;

AFX_INLINE void CPoint2D::Offset(double dx, double dy)
{
	x0 += dx;
	y0 += dy;
}

AFX_INLINE CPoint2D CPoint2D::operator +(const CPoint2D &point)
{
	return CPoint2D(x0+point.x0, y0+point.y0);
}

AFX_INLINE CPoint2D CPoint2D::operator /(const CPoint2D &point)
{
	return CPoint2D(x0/point.x0, y0/point.y0);
}

AFX_INLINE void CPoint2D::operator =(const CPoint2D &point)
{
	x0 = point.x0;
	y0 = point.y0;
}

AFX_INLINE void CPoint2D::operator =(const dfPoint &point)
{
	x0 = point.x0;
	y0 = point.y0;
}

AFX_INLINE void CPoint2D::operator =(const CPoint &point)
{
	x0 = point.x;
	y0 = point.y;
}

AFX_INLINE void CPoint2D::operator =(const CSize8 &sz)
{
	x0=sz.cx;
	y0=sz.cy;
}

AFX_INLINE void CPoint2D::SetPoint(double xx, double yy)
{
	x0 = xx;
	y0 = yy;
}

AFX_INLINE BOOL CPoint2D::operator==(const CPoint2D& point)
{
	if(fabs(x0-point.x0)<ZERO && fabs(y0-point.y0)<ZERO) return TRUE;
	return FALSE;
}

AFX_INLINE BOOL CPoint2D::operator==(const CPoint2D& point) const
{
	if(fabs(x0-point.x0)<ZERO && fabs(y0-point.y0)<ZERO) return TRUE;
	return FALSE;
}

AFX_INLINE void CSize8::SetSize(double sx, double sy)
{
	cx=sx;
	cy=sy;
}

AFX_INLINE void CSize8::operator=(const CSize8& sz)
{
	cx=sz.cx;
	cy=sz.cy;
}

AFX_INLINE void CSize8::operator=(const CPoint2D& point)
{
	cx=point.x0;
	cy=point.y0;
}

AFX_INLINE void CSize8::operator=(const CSize& sz)
{
	cx=sz.cx;
	cy=sz.cy;
}

AFX_INLINE BOOL CSize8::operator==(const CSize8& sz)
{
	if(fabs(cx-sz.cx)<ZERO && fabs(cy-sz.cy)<ZERO) return TRUE;
	return FALSE;
}

AFX_INLINE void CSize8::operator +=(const CSize8& sz)
{
	cx+=sz.cx;
	cy+=sz.cy;
}

AFX_INLINE void CSize8::operator -=(const CSize8& sz)
{
	cx-=sz.cx;
	cy-=sz.cy;
}

AFX_INLINE void CSize8::operator +=(const double sz)
{
	cx+=sz;
	cy+=sz;
}

AFX_INLINE void CSize8::operator -=(const double sz)
{
	cx-=sz;
	cy-=sz;
}