E:/Programming/MyProject/K_Game_hg/GameEngine/include/render/Frustum.h

Go to the documentation of this file.

// Copyright 2006-2011 by Kat'Oun

#ifndef _FRUSTUM_H_
#define _FRUSTUM_H_

#include <EngineConfig.h>
#include <core/Types.h>
#include <core/Plane3d.h>
#include <core/Vector3d.h>

namespace core
{
class matrix4;
class sphere3d;
class aabox3d;
}

namespace render
{

enum ProjectionType;

enum FrustumPlane
{
        FRUSTUM_PLANE_NEAR              = 0,
        FRUSTUM_PLANE_FAR               = 1,
        FRUSTUM_PLANE_LEFT              = 2,
        FRUSTUM_PLANE_RIGHT             = 3,
        FRUSTUM_PLANE_TOP               = 4,
        FRUSTUM_PLANE_BOTTOM    = 5
};

class ENGINE_PUBLIC_EXPORT Frustum
{
public:

        Frustum();

        ~Frustum();

        void buildViewFrustum(const core::matrix4& projMat, const core::matrix4& viewMat, ProjectionType projType, f32 fov, f32 aspect, f32 near, f32 far);

        void transform(const core::matrix4& mat);

        const core::vector3d* getCorners();

        bool isVisible(const core::vector3d& point);

        bool isVisible(const core::sphere3d& sphere);

        bool isVisible(const core::aabox3d& box);

protected:

        core::plane3d mPlanes[6];
        core::vector3d mCorners[8];
};

} //namespace render

#endif