kev/Drawer/SSBase/DrawModel/Plane.h

#pragma once
#include "Vector.h"
#include "Point2D.h"

namespace NBase
{

class AFX_EXT_CLASS CLine2D : public CPoint2D
{
public:
	CLine2D(void);
	~CLine2D(void);

	int Create(double x1, double y1, double x2, double y2);

	double DistanceToPoint(double x, double y);
	double DistanceToPointOne(double x, double y);
	
	int One(void);
	double MininumPoint(double x, double y);
	double MininumPointOne(double x, double y);

	double x(double t);
	double y(double t);

	void Rotate(double xs, double ys, double angle);
	double Cross(CLine2D& OtherLine);
	int Cross(CLine2D& OtherLine, double& x, double& y);
	void Mirror(double& x, double& y);
	
	void operator+=(double t);
	void operator=(CLine2D& t);

public:
	double a;
	double b;
};

/*!\brief

A Line3 is a line in space, with the equations:

x = x0 + a*t
y = y0 + b*t
z = z0 + c*t

<EFBFBD><EFBFBD>׼<EFBFBD>ռ<EFBFBD>ֱ<EFBFBD>߷<EFBFBD><EFBFBD><EFBFBD>
(x-x0)/a = (y-y0)/b = (z-z0)/c = k 
(x0,y0,z0)Ϊ<EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD>ԭ<EFBFBD><EFBFBD>
*/
class AFX_EXT_CLASS CLine3D :	public CPoint3D
{
public:
	CLine3D(void);
	~CLine3D(void);

	int Create(const CPoint3D& pt1, const CPoint3D& pt2);
	int Create(double x1, double y1, double z1, double x2, double y2, double z2);
	int Create2(double x2, double y2, double z2);

	/** @brief <20>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD>Ϊtʱֱ<CAB1><D6B1><EFBFBD>ϵ<EFBFBD><CFB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
	virtual double x(double t);   ///< x0 + a*t
	virtual double y(double t);   ///< y0 + b*t
	virtual double z(double t);   ///< z0 + c*t

	int Cross(CLine3D& line, double& t1, double& t2);
	void operator=(CLine3D &t);
	void Write(FILE *& fw, double t1, double t2);

	double One(void);
	double One2(void);
	void ONE(void);

	double DistanceToPoint(double x, double y, double z);
	double DistanceToPointZ(double x, double y, double z);
	double DistanceToPointOne(double x, double y, double z);

protected:
	double DistanceOne(double x,double y,double z);

public:
	double a,b,c; ///< <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(a,b,c)<29><>a,b,c<><63><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
};
/** @brief <20>ռ<EFBFBD>ƽ<EFBFBD><C6BD><EFBFBD>࣬<EFBFBD>ɿռ<C9BF>ֱ<EFBFBD><D6B1>CLine3D<33><44>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
(x0,y0,z0<EFBFBD><EFBFBD>
    A-------->  AB <EFBFBD><EFBFBD><EFBFBD><EFBFBD> (a,b,c)
	 \      B
	  \
	   \C   AC<EFBFBD><EFBFBD><EFBFBD><EFBFBD> (aappend,bappend,cappend)
	*/
class AFX_EXT_CLASS CPlane : public CLine3D
{
public:
	CPlane(void);
	~CPlane(void);

	int Create(double x1, double y1, double m1, double n1, double step_m, double step_n, double angle);
	/** @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD><D5BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɻ<EFBFBD><C9BB><EFBFBD><EFBFBD>ռ<EFBFBD>ƽ<EFBFBD><C6BD>*/
	int Create(double x1, double y1, double z1, double x2, double y2, double z2, double x3, double y3, double z3);
	int Create(
		double x1, double y1, double z1, 
		double x2, double y2, double z2, 
		double x3, double y3, double z3,
		double m1,double n1,double step_m,double step_n);

	//<2F><><EFBFBD>ݶ<EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƽ<EFBFBD><C6BD>(<28><><EFBFBD><EFBFBD>Уλ)
	int Create(
		double x1, double y1, double m1, double n1,
		double x2, double y2, double m2, double n2,
		double x3, double y3, double m3, double n3 );
	//<2F><><EFBFBD>ݶ<EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƽ<EFBFBD><C6BD>(<28><><EFBFBD><EFBFBD>Уλ)
	int Create(double x1, double y1, double m1, double n1, double x2, double y2, double m2, double n2);

	int		Cross(CLine3D& line,double m_cross[3]);
	double  Cross(CLine3D& line,CPoint3D &point);
	double  Cross(CLine3D& line);
	bool	Cross( CPlane& b, CLine3D& res );

	//!<\param bWhichside if true, the distance along the normal will be returned, which can be negative.
	double DistanceToPoint( const CPoint3D& point, bool bWhichside = false);

	//A CPlane is a plane in space, with the equation:
	//Ax + By + Cz + D = 0
	void GetEquation(double& A, double& B, double& C, double& D);	//<2F><><EFBFBD>÷<EFBFBD><C3B7><EFBFBD>

	void GetNormal(double& A, double& B, double& C);
	void GetNormal(CLine3D& line);
	void CreateNormal(double x1, double y1, double z1, double x2, double y2, double z2);

	void GetMN(double& m, double& n);
	void SetMN(double m1, double n1, double m2, double n2);

	void Rotate(double alfa,double beta);

	int Reflect(CLine3D& line);
	int Refraction(CLine3D &line,double v21,double &sinin); //v21=v2/v1
	/** @brief <20>õ<EFBFBD>AB<41><42><EFBFBD><EFBFBD><EFBFBD><EFBFBD>m<EFBFBD><6D><EFBFBD><EFBFBD><EFBFBD>ȵ<EFBFBD>λ<EFBFBD><CEBB>AC<41><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD>n<EFBFBD><6E><EFBFBD><EFBFBD><EFBFBD>ȵ<EFBFBD>λ<EFBFBD>ĵ<EFBFBD><C4B5><EFBFBD><EFBFBD><EFBFBD>*/
	double x(double m, double n); ///< CLine3D::x(t1)+t2*aappend
	double y(double m, double n); ///< CLine3D::y(t1)+t2*bappend
	double z(double m, double n); ///< CLine3D::z(t1)+t2*cappend

	int Write(FILE *&fw, double m1, double dm, int numm, double n1, double dn, int numn);
	int Read(CFile& fr);

public:
	double aappend,bappend,cappend; ///< ԭ<>㵽<EFBFBD><E3B5BD>3<EFBFBD><33><EFBFBD>Ŀռ<C4BF><D5BC><EFBFBD><EFBFBD><EFBFBD> (aappend,bappend,cappend)
};
};