glVector.cpp

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#include "glVector.h"

glVector::glVector()
{
    data[0] = data[1] = data[2] = 0;
}

glVector::glVector(float x, float y, float z)
{
    data[0] = x;
    data[1] = y;
    data[2] = z;
}

glVector::glVector(float new_data[3])
{
    for(int i=0; i<3; i++)
        data[i] = new_data[i];
}

glVector::glVector(glVector v1, glVector v2)
{
    this->data[0] = v1.data[0] - v2.data[0];
    this->data[1] = v1.data[1] - v2.data[1];
    this->data[2] = v1.data[2] - v2.data[2];
}

glVector glVector::operator%(glVector &v_2)
{
    return glVector(data[1] * v_2.data[2] - data[2] * v_2.data[1],
                    data[2] * v_2.data[0] - data[0] * v_2.data[2],
                    data[0] * v_2.data[1] - data[1] * v_2.data[0]);
}

glVector glVector::operator-(glVector v2)
{
    return glVector(data[0] - v2.data[0], data[1] - v2.data[1], data[2] - v2.data[2]);
}

glVector glVector::operator+(glVector v2)
{
    return glVector(data[0] + v2.data[0], data[1] + v2.data[1], data[2] + v2.data[2]);
}

glVector glVector::operator+=(glVector v2)
{
    return glVector(data[0] += v2.data[0], data[1] += v2.data[1], data[2] += v2.data[2]);
}

glVector glVector::operator=(glVector v2)
{
    data[0] = v2.data[0];
    data[1] = v2.data[1];
    data[2] = v2.data[2];
}

glVector glVector::SetVector(glVector new_vec)
{
    data[0] = new_vec.data[0];
    data[1] = new_vec.data[1];
    data[2] = new_vec.data[2];
    return *this;
}

glVector glVector::operator*(float multiplier)
{
    return glVector(data[0] * multiplier, data[1] * multiplier, data[2] * multiplier);
}

glVector glVector::operator/(float multiplier)
{
    return glVector(data[0] / multiplier, data[1] / multiplier, data[2] / multiplier);
}

glVector glVector::operator!()
{
    if(length() != 0)
        return (*this) * float(1.0 / length());
    return glVector(0,0,0);
}

float glVector::length()
{
    return sqrt(data[0] * data[0] + data[1] * data[1] + data[2] * data[2]);
}

float glVector::operator*(glVector v2)
{
    return (data[0] * v2.data[0] + data[1] * v2.data[1] + data[2] * v2.data[2]);
}

glVector glVector::ProjectOnto(glVector v2)
{
    return !(v2) * (((*this)*v2)/v2.length());
}

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