clear() is better than resize(0)
committer: Markus Bröker <mbroeker@largo.homelinux.org>
/**
* test/demos/pmc/pmc.cc
* Copyright (C) 2008 Markus Broeker
*/
#include <iostream>
#include <cmath>
#include <pmc.h>
using namespace pmc;
Vector::Vector (int xx, int yy, int zz)
{
name = "Vector";
x = xx;
y = yy;
z = zz;
mode = RAD;
}
Vector::~Vector ()
{
}
int Vector::X ()
{
return x;
}
int Vector::Y ()
{
return y;
}
int Vector::Z ()
{
return z;
}
Vector Vector::operator+ (Vector a)
{
return Vector (x + a.X (), y + a.Y (), z + a.Z ());
}
Vector Vector::operator- (Vector a)
{
return Vector (x - a.X (), y - a.Y (), z - a.Z ());
}
int Vector::operator* (Vector a)
{
return (x * a.X () + y * a.Y () + z * a.Z ());
}
double Vector::abs ()
{
return (std::sqrt (x * x + y * y + z * z));
}
void Vector::vector ()
{
std::cout << "(" << x << ", " << y << ", " << z << ")";
}
double Vector::angle (Vector p)
{
if (mode == DEG)
return ((180.0 / M_PI) * std::acos ((p ** this) / (abs () * p.abs ())));
return (std::acos ((p ** this) / (abs () * p.abs ())));
}
void Vector::setMode (Mode m)
{
mode = m;
}