vect3d.h

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#pragma once

#pragma pack(push, 1)

// unions don't like structs with assignment operators
/*struct _vect3d
{
    float x;
    float y;
    float z;
};*/

struct vect3d
{
    float x;
    float y;
    float z;

    vect3d() {x = 0; y = 0; z = 0; }
    vect3d(const vect3d& other) : x(other.x), y(other.y), z(other.z){}

    vect3d& operator=(const vect3d& rhs)
    {
        x = rhs.x;
        y = rhs.y;
        z = rhs.z;
        return *this;
    }

    vect3d& operator*=(float rhs)
    {
        x *= rhs;
        y *= rhs;
        z *= rhs;
        return *this;
    }
};

// only used to check if a vector hasn't changed (fpu comparisons are bad)
inline bool operator==(const vect3d& lhs, const vect3d& rhs)
{
    return lhs.x == rhs.x && lhs.y == rhs.y && lhs.z == rhs.z;
}

inline bool operator!=(const vect3d& lhs, const vect3d& rhs)
{
    return !(lhs == rhs);
}

#pragma pack(pop)