D:/SoftwareEntwicklung/C++/HLC/Tools/SoftPixelEngine/repository/sources/Base/spViewFrustum.hpp

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/*
 * ViewFrustum header
 * 
 * This file is part of the "SoftPixel Engine" (Copyright (c) 2008 by Lukas Hermanns)
 * See "SoftPixelEngine.hpp" for license information.
 */

#ifndef __SP_VIEWFRUSTUM_H__
#define __SP_VIEWFRUSTUM_H__


#include "Base/spStandard.hpp"
#include "Base/spConvexPolyhedron.hpp"


namespace sp
{
namespace scene
{


enum EViewFrustumPlanes
{
    VIEWFRUSTUM_NEAR = 0,
    VIEWFRUSTUM_FAR,
    VIEWFRUSTUM_LEFT,
    VIEWFRUSTUM_RIGHT,
    VIEWFRUSTUM_BOTTOM,
    VIEWFRUSTUM_TOP,
    
    VIEWFRUSTUM_PLANE_COUNT,
};


class SP_EXPORT ViewFrustum : public ConvexPolyhedron<f32, VIEWFRUSTUM_PLANE_COUNT>
{
    
    public:
        
        ViewFrustum();
        ViewFrustum(const dim::matrix4f &Matrix);
        ViewFrustum(const ViewFrustum &Other);
        virtual ~ViewFrustum();
        
        /* === Functions === */
        
        void setFrustum(const dim::matrix4f &Matrix);
        
        void setFrustum(const dim::matrix4f &ViewMatrix, const dim::matrix4f &ProjectionMatrix);
        
        dim::vector3df getLeftUp() const;
        
        dim::vector3df getLeftDown() const;
        
        dim::vector3df getRightUp() const;
        
        dim::vector3df getRightDown() const;
        
        /* === Inline functions === */
        
        inline const dim::plane3df& getPlane(const EViewFrustumPlanes Type) const
        {
            return Planes_[Type];
        }
        inline dim::plane3df& getPlane(const EViewFrustumPlanes Type)
        {
            return Planes_[Type];
        }
        
};


} // /namespace scene

} // /namespace sp


#endif



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