Vect.h

#ifndef _VECT_H
#define _VECT_H

class Vect
{
    double x, y, z;

public:
    Vect();

    Vect(double, double, double);

    //method functions
    void setVect(double xs, double ys, double zs)
    {
        x = xs;
        y = ys;
        z = zs;
    }
    double getVectX()
    {
        return x;
    }

    double getVectY()
    {
        return y;
    }

    double getVectZ()
    {
        return z;
    }

    double magnitude ()
    {
        return sqrt( (x*x) + (y*y) + (z*z));
    }

    Vect normalize()
    {
        double mag = this->magnitude();
        return Vect (x/mag,y/mag,z/mag);
    }

    Vect negative()
    {
        return Vect(-x,-y,-z);
    }

    double dotProduct(Vect v)
    {
        return x*v.getVectX()+y*v.getVectY()+z*v.getVectZ();
    }

    Vect crossProduct(Vect v)
    {
        return Vect(y*v.getVectZ() - z*v.getVectY(), z*v.getVectX()-x*v.getVectZ(),
                    x*v.getVectY() - y*v.getVectX());
    }

    Vect vectAdd(Vect v)
    {
        return Vect(x+v.getVectX(),y+v.getVectY(),z+v.getVectZ());
    }

    Vect vectMult (double scalar)
    {
        return Vect (x*scalar, y*scalar, z*scalar);
    }

};

Vect::Vect()
{
    x = 0;
    y = 0;
    z = 0;
}

Vect::Vect(double i, double j, double k)
{
    x = i;
    y = j;
    z = k;
}

#endif