ebb721c7
 David Mayerich
new repository fo...
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#ifndef RTSPOINT3D_H
#define RTSPOINT3D_H
#include "rtsVector3d.h"
///This class is used to store information about a 3D point. It is designed to work with the class vector3D<T> for linear algebra operations.
template <class T> class point3D
{
//friend class vector3D<T>;
public:
//data values
T x;
T y;
T z;
point3D(); ///<Constructor initializes the point at the origin (0,0,0).
point3D(T new_x, T new_y, T new_z); ///<Constructor initializes the point to the position specified by (new_x, new_y, new_z).
//operators
bool operator==(point3D<T> param); ///<Overloaded boolean operator. Returns true if the two oparands are at the same position.
bool operator!=(point3D<T> param); ///<Overloaded boolean operator for !=
point3D<T> operator+(vector3D<T> param); ///<Overloaded arithmetic oparator. Returns the sum of the current point and a given vector.
point3D<T> operator-(vector3D<T> param); ///<Overloaded arithmetic operator. Returns the sum of the current point and the negative of a given vector.
vector3D<T> operator-(point3D<T> param); ///<Overloaded arithmetic operator. Returns the vector representing the space between two points.
//casting operators
template <class U> operator point3D<U>(); ///<Overloaded casting operator. Allows casting between points of different types.
//output
friend ostream& operator<<(ostream& os, const point3D<T> &rhs)
{
os<<"("<<rhs.x<<","<<rhs.y<<","<<rhs.z<<")";
return os;
}
/*point3D<T> & operator=(const point3D<T> & rhs)
{
if(this != &rhs)
{
x = rhs.x;
y = rhs.y;
z = rhs.z;
}
return *this;
}*/
void print();
};
template <class T>
template <class U>
point3D<T>::operator point3D<U>()
{
point3D<U> cast_result(x, y, z);
return cast_result;
}
template <class T> point3D<T>::point3D()
{
x=0;
y=0;
z=0;
}
template <class T> point3D<T>::point3D(T new_x, T new_y, T new_z)
{
x=new_x;
y=new_y;
z=new_z;
}
template <class T>
point3D<T> point3D<T>::operator -(vector3D<T> param)
{
point3D<T> result; //create the result
result.x = x-param.x; //perform the computation
result.y = y-param.y;
result.z = z-param.z;
return result;
}
template <class T>
vector3D<T> point3D<T>::operator -(point3D<T> param)
{
vector3D<T> result;
result.x = x - param.x;
result.y = y - param.y;
result.z = z - param.z;
return result;
}
template <class T>
point3D<T> point3D<T>::operator+(vector3D<T> param)
{
point3D<T> result; //create the result
result.x = x+param.x; //perform the computation
result.y = y+param.y;
result.z = z+param.z;
return result;
}
template <class T>
bool point3D<T>::operator ==(point3D<T> param)
{
if(x == param.x && y == param.y && z == param.z)
return true;
else
return false;
}
template <class T>
bool point3D<T>::operator !=(point3D<T> param)
{
if(x != param.x || y != param.y || z != param.z)
return true;
else
return false;
}
template <class T>
void point3D<T>::print()
{
cout<<"("<<x<<","<<y<<","<<z<<")"<<endl;
}
/*template <class T>
ostream& point3D<T>::operator<<(ostream& os, point3D<T> &rhs)
{
os<<"("<<x<<","<<y<<","<<z<<")";
return os;
}
*/
#endif
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