Frustum.h

Go to the documentation of this file.

#ifndef ULT_MATH_FRUSTUM_H_INCLUDED
#define ULT_MATH_FRUSTUM_H_INCLUDED
 
#include <vector>
 
#include "Plane.h"
#include "Vector3D.h"
#include "OBB.h"
 
namespace Ult
{

class Frustum
{
public:
    Frustum();

    void CalculateFrustum(
        const float angle,
        const float ratio,
        const float near,
        const float far,
        const Vector3D& camPos,
        const Vector3D& lookAt,
        const Vector3D& up
    );

    void AddPlane(const Plane& pl);
    bool GetPlane(const int index, Plane* out) const;
    int GetTotalPlanes() const { return (int)mFrustum.size(); }

    bool IsPointVisible(const float x, const float y, const float z);
    bool IsSphereVisible(const float x, const float y, const float z, const float radius);
    bool IsCubeVisible(const float x, const float y, const float z, const float size);
    bool IsBoxVisible(const Vector3D& min, const Vector3D& max);
    bool IsObbVisible(const OBB& obb);
 
private:
    std::vector<Plane> mFrustum;
};
 
} // namespace Ult
 
#endif // ULT_MATH_FRUSTUM_H_INCLUDED