source: NonGTP/FCollada/FMath/FMVector4.h @ 964

/*
        Copyright (C) 2005-2006 Feeling Software Inc.
        MIT License: http://www.opensource.org/licenses/mit-license.php
*/

/**
        @file FMVector4.h
        This file contains the class for 4 dimensional vectors.
*/

#ifndef _FM_VECTOR4_H_
#define _FM_VECTOR4_H_

/**
        A 4 dimensional vector.
        Not used within FCollada.
        
        @ingroup FMath
*/
class FCOLLADA_EXPORT FMVector4
{
public:
        float x;        /**< The first coordinate. */
        float y;        /**< The second coordinate. */
        float z;        /**< The third coordinate. */
        float w;        /**< The forth coordinate. */

        /**
         * Creates an empty FMVector4.
         */
        #ifndef _DEBUG
        FMVector4() {}
        #else
        FMVector4() { x = 123456789.0f; y = 123456789.0f; z = 123456789.0f; w = 123456789.0f; }
        #endif 

        /**
         * Creates the FMVector4 with the coordinates given.
         *
         * The first three coordinates are taken from the FMVector3, where the
         * first one is the x value, the second is that y, and the third is the z.
         * The forth value is the \c float specified.
         * 
         *
         * @param v The FMVector3 representing the first three coordinates.
         * @param _w The final coordinate.
         */
        FMVector4(FMVector3 v, float _w) { x = v.x; y = v.y; z = v.z; w = _w; }

        /**
         * Creates the FMVector4 with the coordinates given.
         *
         * @param _x The first coordinate.
         * @param _y The second coordinate.
         * @param _z The third coordinate.
         * @param _w The forth coordinate.
         */
        FMVector4(float _x, float _y, float _z, float _w) { x = _x; y = _y; z = _z; w = _w; }

public:
        /**
         * Get this FMVector4 as an array of \c floats.
         *
         * @return The \c float array.
         */
        inline operator float*() { return &x; }

        /**
         * Get this FMVector4 as an array of \c floats.
         *
         * @return The \c float array.
         */
        inline operator const float*() const { return &x; }

public:
        static const FMVector4 Zero;    /**< The FMVector4 representing zero */
};

#endif // _FM_VECTOR4_H_