Create HouseTextureMapping

HouseTextureMapping/Vector.cpp

@@ -0,0 +1,175 @@
+// Vector.cpp: implementation of the CVector class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#include "stdafx.h"
+#include "Test.h"
+#include "Vector.h"
+#include "math.h"
+#ifdef _DEBUG
+#undef THIS_FILE
+static char THIS_FILE[]=__FILE__;
+#define new DEBUG_NEW
+#endif
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+CVector::CVector()//z轴正向
+{
+	x=0.0;
+	y=0.0;
+	z=1.0;
+}
+
+CVector::~CVector()
+{
+
+}
+
+CVector::CVector(const CP3 &p)
+{
+	x=p.x;
+	y=p.y;
+	z=p.z;	
+}
+
+CVector::CVector(const CPi3 &p)
+{
+	x=p.x;
+	y=p.y;
+	z=p.z;	
+}
+
+CVector::CVector(double x,double y,double z)
+{
+	this->x=x;
+	this->y=y;
+	this->z=z;	
+}
+
+CVector::CVector(const CP3 &p0,const CP3 &p1)
+{
+	x=p1.x-p0.x;
+	y=p1.y-p0.y;
+	z=p1.z-p0.z;
+}
+
+CVector::CVector(const CPi3 &p0,const CPi3 &p1)
+{
+	x=p1.x-p0.x;
+	y=p1.y-p0.y;
+	z=p1.z-p0.z;
+}
+
+double CVector::Mag()//矢量的模
+{
+	return sqrt(x*x+y*y+z*z);
+}
+
+CVector CVector::Normalize()//归一化到单位矢量
+{
+	CVector vector;
+	double Mag=sqrt(x*x+y*y+z*z);
+	if(fabs(Mag)<1e-6)
+		Mag=1.0;
+	vector.x=x/Mag;
+	vector.y=y/Mag;
+	vector.z=z/Mag;
+	return vector;
+}
+
+CVector operator +(const CVector &v0,const CVector &v1)//矢量的和
+{	
+	CVector vector;
+	vector.x=v0.x+v1.x;
+	vector.y=v0.y+v1.y;
+	vector.z=v0.z+v1.z;
+	return vector;
+}
+
+CVector operator -(const CVector &v0,const CVector &v1)//矢量的差
+{	
+	CVector vector;
+	vector.x=v0.x-v1.x;
+	vector.y=v0.y-v1.y;
+	vector.z=v0.z-v1.z;
+	return vector;
+}
+
+CVector operator *(const CVector &v,double k)//矢量与常量的积
+{	
+	CVector vector;
+	vector.x=v.x*k;
+	vector.y=v.y*k;
+	vector.z=v.z*k;
+	return vector;
+}
+
+CVector operator *(double k,const CVector &v)//常量与矢量的积
+{	
+	CVector vector;
+	vector.x=v.x*k;
+	vector.y=v.y*k;
+	vector.z=v.z*k;
+	return vector;
+}
+
+CVector operator /(const CVector &v,double k)//矢量数除
+{
+	if(fabs(k)<1e-6)
+		k=1.0;
+	CVector vector;
+	vector.x=v.x/k;
+	vector.y=v.y/k;
+	vector.z=v.z/k;
+	return vector;
+}
+
+CVector operator +=(CVector &v0,CVector &v1)//+=运算符重载
+{
+	v0.x=v0.x+v1.x;
+	v0.y=v0.y+v1.y;
+	v0.z=v0.z+v1.z;
+	return v1;
+}
+
+CVector operator -=(CVector &v0,CVector &v1)//-=运算符重载
+{
+	v0.x=v0.x-v1.x;
+	v0.y=v0.y-v1.y;
+	v0.z=v0.z-v1.z;
+	return v0;
+}
+
+CVector operator *=(CVector &v0,CVector &v1)//*=运算符重载
+{
+	v0.x=v0.x*v1.x;
+	v0.y=v0.y*v1.y;
+	v0.z=v0.z*v1.z;
+	return v0;
+}
+
+CVector operator /=(CVector &v,double k)///=运算符重载
+{
+	v.x=v.x/k;
+	v.y=v.y/k;
+	v.z=v.z/k;
+	return v;
+}
+
+double Dot(const CVector &v0,const CVector &v1)//矢量的点积
+{
+	return(v0.x*v1.x+v0.y*v1.y+v0.z*v1.z);
+}
+
+CVector Cross(const CVector &v0,const CVector &v1)//矢量的叉积
+{
+	CVector vector;
+	vector.x=v0.y*v1.z-v0.z*v1.y;
+	vector.y=v0.z*v1.x-v0.x*v1.z;
+	vector.z=v0.x*v1.y-v0.y*v1.x;
+	return vector;
+}
+