Frustum.h

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#ifndef _FRUSTUM_H_
#define _FRUSTUM_H_
 
#include "Plane.h"
#include "Sphere.h"
 
#define NUM_PLANES  6
 
class Frustum {
  public:
    Frustum();
    ~Frustum();
 
    void extractFromProjectionMatrix(const Matrix& m);
    void getPlaneDefinition(const int&, float&, float&, float&, float&);

    int testSphere(const Sphere& sphere);
    int testBoundingBox();
 
  private:
    // 0 - left, 1 - right, 2 - bottom, 3 - top, 4 - far, 5 - near
    Plane planes[NUM_PLANES];
};
 
#endif