Vector4.h

#ifndef __VECTOR4_H_
#define __VECTOR4_H_
/*
Peon - Win32 Games Programming Library
Copyright (C) 2002-2005 Erik Yuzwa

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

Erik Yuzwa
peon AT wazooinc DOT com
*/

#include "Peonstdafx.h"

namespace peon
{
        class PEONMAIN_API Vector4
        {
        public:
                float x;

                float y;

                float z;

                float w;

                Vector4(float x_ = 0.0f, float y_ = 0.0f, float z_ = 0.0f, float w_ = 0.0f);
                ~Vector4();

                void set(float x_, float y_, float z_, float w_);
                float length(void);
                void normalize(void);

                // Static utility methods
                static float distance(const Vector4 &v1, const Vector4 &v2);
                static float dotProduct(const Vector4 &v1,  const Vector4 &v2 );
                static Vector4 crossProduct(const Vector4 &v1, const Vector4 &v2);

                // Operators...
                Vector4 operator + (const Vector4 &other);
                Vector4 operator - (const Vector4 &other);
                Vector4 operator * (const Vector4 &other);
                Vector4 operator / (const Vector4 &other);

                Vector4 operator * (const float scalar);
                friend Vector4 operator * (const float scalar, const Vector4 &other);
    
                Vector4& operator = (const Vector4 &other);
                Vector4& operator += (const Vector4 &other);
                Vector4& operator -= (const Vector4 &other);

                Vector4 operator + (void) const;
                Vector4 operator - (void) const;
        };

}

#endif

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