TAO Cheng
111 lines
4.9 KiB
C++
111 lines
4.9 KiB
C++
#pragma once
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#ifndef CPOINT3_H
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#define CPOINT3_H
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#include <afx.h>
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#include "afxdisp.h"
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//#define CPOINT3_DEBUG_CHECKS
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#ifdef CPOINT3_DEBUG_CHECKS
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#include <cfloat>
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#endif
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//#pragma warning (disable:4270) // we don't care about non-const initializers, as we do use them
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class CPoint3: public CObject
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{
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public:
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CPoint3(void);
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// default object
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CPoint3(const CPoint3& t);
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// copy constructors
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CPoint3(const double* t);
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// Conversion from array
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CPoint3(const double x, const double y, const double z);
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CPoint3(const float* pts);
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// Conversoin from array of floats
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~CPoint3(void);
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operator const double *(void) const; // subscript operator and
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operator double *(void); // subscript operator and
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// conversion to array/pointer
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friend CPoint3 operator* (const CPoint3 &t, double mult); // scalar multiply
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friend CPoint3 operator* (double mult, const CPoint3 &t); // scalar multiply
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friend CPoint3 operator+(const CPoint3 &t, double offset); // add offset pointwise
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friend CPoint3 operator+(double offset, const CPoint3 &t); // add offset pointwise
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friend CPoint3 operator-(const CPoint3 &t, double offset); // subtract offset pointwise
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friend CPoint3 operator-(double offset, const CPoint3 &t); // subtract offset pointwise
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CPoint3& operator*=(double mult); // scalar multiply and assignment
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CPoint3& operator*=(const CPoint3 &t); // point wise multiplication and assignment
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friend CPoint3 operator/(const CPoint3 &, double divisor); // scalar divide
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CPoint3& operator/=(const CPoint3 &t); // point wise divide and assignment
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CPoint3& operator/=(double divisor); // scalar divide and assignment
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friend double operator* (const CPoint3 &t, const CPoint3 &u); // dot product
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friend CPoint3 operator+(const CPoint3 &t, const CPoint3 &u); // pointwise addition
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CPoint3& operator+=(const CPoint3 &t); // pointwise addition and assignment
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CPoint3& operator+=(const double* t);
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CPoint3& operator+=(double offset); // add offset pointwise
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friend CPoint3 operator-(const CPoint3 &t, const CPoint3 &u); // pointwise subtraction
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CPoint3 operator-(void); // additive inverse
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CPoint3& operator-=(const CPoint3 &t); // pointwise subtraction and assignment
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friend void operator << (CArchive &InArch , CPoint3 & InPnt); // write a CPoint3
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friend void operator >>(CArchive &InArch , CPoint3 & InPnt); // read a CPoin3
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CPoint3& operator-=(const double* t);
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CPoint3& operator-=(double offset); // subtract offset pointwise.
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CPoint3& operator=(const CPoint3& t); // assignment Needed a const operator for use
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// with CArray - TJ
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CPoint3& operator=(const double* t); // assignment
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CPoint3& operator=(const double t); // assignment
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CPoint3& operator=(const float* t);
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bool operator==(const CPoint3 &t) const; // test for equality
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bool operator!=(const CPoint3 &t) const; // test for inequality
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void display(void); // debugging function
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void Serialize(CArchive & archive); // the ubiquitous function for IO
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double norm(void) const; // return the norm of this object
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double norm2(void) const; // return the squared norm of this object
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double normalize(void); // normalize and return old norm.
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double Normalize(double dbEpsilon);
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CPoint3 crossOnly(const CPoint3 &u) const; // cross, but do not normalize.
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CPoint3 cross(const CPoint3 &u) const; // cross product m_data x v normalized.
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CPoint3 cross2(const CPoint3 &u) const; // cross product m_data x v normalized and can be (0, 0, 0)
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double maxabs(int* Index = NULL) const; // return the value of the largest absulute
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double minabs(int* Index = NULL) const; // return the value of the smallest absulute
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void setXYZ(double x, double y, double z);
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double angleBetween(const CPoint3 &inPoint);
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CPoint3 constructOrthogonalVector(void);
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// value coordinate
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friend double distance(const CPoint3 &t, const CPoint3 &u)
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{
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return ((t - u).norm());
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}
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#ifdef CPOINT3_DEBUG_CHECKS
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bool IsValid(void) const
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{
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if(this)
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return (_finite(m_data[0]) && _finite(m_data[1]) && _finite(m_data[2]));
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return false;
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}
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#endif
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BOOL toVARIANT(VARIANT *pv);
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BOOL fromVARIANT(VARIANT pv);
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double x;
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double y;
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double z;
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};
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#endif
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