Frustum.h

#ifndef _FRUSTUM_H
#define _FRUSTUM_H

#include <glm/glm.hpp>

class Frustum
{
    private:
        enum eSide
        {
            S_RIGHT,
            S_LEFT,
            S_TOP,
            S_BOTTOM,
            S_FAR,
            S_NEAR,
            MAX_SIDES
        };

        glm::vec3 m_vFrustum[MAX_SIDES];
        float m_fFrustumDist[MAX_SIDES];

        void normalize(eSide side);

    public:

        Frustum(){
            for(int i=0;i<MAX_SIDES;i++)
                m_fFrustumDist[i]=0.0f;
        }

        void refresh();

        bool containsPoint(float x, float y, float z);
        bool containsSphere(float x, float y, float z, float r);
        bool containsBox(float x, float y, float z, float r);
};

#endif