126 lines
3.4 KiB
C++
Executable File
126 lines
3.4 KiB
C++
Executable File
/**********************************************************************
|
|
*<
|
|
FILE: dpoint3.h
|
|
|
|
DESCRIPTION:
|
|
|
|
CREATED BY: Dan Silva
|
|
|
|
HISTORY:
|
|
|
|
*> Copyright (c) 1994, All Rights Reserved.
|
|
**********************************************************************/
|
|
|
|
#ifndef __DPOINT3__
|
|
|
|
#define __DPOINT3__
|
|
|
|
#include "point3.h"
|
|
|
|
class ostream;
|
|
|
|
class DPoint3 {
|
|
public:
|
|
double x,y,z;
|
|
|
|
// Constructors
|
|
DPoint3(){}
|
|
DPoint3(double X, double Y, double Z) { x = X; y = Y; z = Z; }
|
|
DPoint3(const DPoint3& a) { x = a.x; y = a.y; z = a.z; }
|
|
DPoint3(const Point3& a) { x = a.x; y = a.y; z = a.z; }
|
|
DPoint3(double af[3]) { x = af[0]; y = af[1]; z = af[2]; }
|
|
|
|
// Access operators
|
|
double& operator[](int i) { return (&x)[i]; }
|
|
const double& operator[](int i) const { return (&x)[i]; }
|
|
|
|
// Conversion function
|
|
operator double*() { return(&x); }
|
|
|
|
// Unary operators
|
|
DPoint3 operator-() const { return(DPoint3(-x,-y,-z)); }
|
|
DPoint3 operator+() const { return *this; }
|
|
|
|
// Assignment operators
|
|
DllExport DPoint3& operator=(const Point3& a) { x = a.x; y = a.y; z = a.z; return *this; }
|
|
DllExport DPoint3& operator-=(const DPoint3&);
|
|
DllExport DPoint3& operator+=(const DPoint3&);
|
|
DllExport DPoint3& operator*=(double);
|
|
DllExport DPoint3& operator/=(double);
|
|
|
|
// Binary operators
|
|
DllExport DPoint3 operator-(const DPoint3&) const;
|
|
DllExport DPoint3 operator+(const DPoint3&) const;
|
|
DllExport double operator*(const DPoint3&) const; // DOT PRODUCT
|
|
DllExport DPoint3 operator^(const DPoint3&) const; // CROSS PRODUCT
|
|
|
|
};
|
|
|
|
double DllExport Length(const DPoint3&);
|
|
int DllExport MaxComponent(const DPoint3&); // the component with the maximum abs value
|
|
int DllExport MinComponent(const DPoint3&); // the component with the minimum abs value
|
|
DPoint3 DllExport Normalize(const DPoint3&); // Return a unit vector.
|
|
|
|
DPoint3 DllExport operator*(double, const DPoint3&); // multiply by scalar
|
|
DPoint3 DllExport operator*(const DPoint3&, double); // multiply by scalar
|
|
DPoint3 DllExport operator/(const DPoint3&, double); // divide by scalar
|
|
|
|
ostream DllExport &operator<<(ostream&, const DPoint3&);
|
|
|
|
// Inlines:
|
|
|
|
inline double Length(const DPoint3& v) {
|
|
return (double)sqrt(v.x*v.x+v.y*v.y+v.z*v.z);
|
|
}
|
|
|
|
inline DPoint3& DPoint3::operator-=(const DPoint3& a) {
|
|
x -= a.x; y -= a.y; z -= a.z;
|
|
return *this;
|
|
}
|
|
|
|
inline DPoint3& DPoint3::operator+=(const DPoint3& a) {
|
|
x += a.x; y += a.y; z += a.z;
|
|
return *this;
|
|
}
|
|
|
|
inline DPoint3& DPoint3::operator*=(double f) {
|
|
x *= f; y *= f; z *= f;
|
|
return *this;
|
|
}
|
|
|
|
inline DPoint3& DPoint3::operator/=(double f) {
|
|
x /= f; y /= f; z /= f;
|
|
return *this;
|
|
}
|
|
|
|
inline DPoint3 DPoint3::operator-(const DPoint3& b) const {
|
|
return(DPoint3(x-b.x,y-b.y,z-b.z));
|
|
}
|
|
|
|
inline DPoint3 DPoint3::operator+(const DPoint3& b) const {
|
|
return(DPoint3(x+b.x,y+b.y,z+b.z));
|
|
}
|
|
|
|
inline double DPoint3::operator*(const DPoint3& b) const {
|
|
return(x*b.x+y*b.y+z*b.z);
|
|
}
|
|
|
|
inline DPoint3 operator*(double f, const DPoint3& a) {
|
|
return(DPoint3(a.x*f, a.y*f, a.z*f));
|
|
}
|
|
|
|
inline DPoint3 operator*(const DPoint3& a, double f) {
|
|
return(DPoint3(a.x*f, a.y*f, a.z*f));
|
|
}
|
|
|
|
inline DPoint3 operator/(const DPoint3& a, double f) {
|
|
return(DPoint3(a.x/f, a.y/f, a.z/f));
|
|
}
|
|
|
|
DPoint3 DllExport CrossProd(const DPoint3& a, const DPoint3& b); // CROSS PRODUCT
|
|
|
|
double DllExport DotProd(const DPoint3& a, const DPoint3& b) ; // DOT PRODUCT
|
|
|
|
#endif
|
|
|