cube-game-plus-plus/math/Camera3D.h

#ifndef CAMERA3D_H
#define CAMERA3D_H

#include "Vector3D.h"
#include "Matrix3D.h"
#include "Plane3D.h"

class Camera3D
{
public:
    Camera3D();
    virtual ~Camera3D();
    
    bool isInFrustum(float x, float y, float z, float x2, float y2, float z2) const;
    
    void storePosition();
    void setPosition(float x, float y, float z, float length, float width);
    
    const Vector3D& getFlatFront() const;
    const Vector3D& getFlatBack() const;
    const Vector3D& getFlatRight() const;
    const Vector3D& getFlatLeft() const;
    const Vector3D& getFlatUp() const;
    const Vector3D& getFlatDown() const;
    
    void update(float lag);
    const float* getViewMatrix();
private:
    Vector3D oldCamera;
    Vector3D camera;
    float oldLengthAngle;
    float lengthAngle;
    float oldWidthAngle;
    float widthAngle;
    
    Vector3D front;
    Vector3D back;
    Vector3D right;
    Vector3D left;
    Vector3D up;
    Vector3D down;  
    
    Vector3D flatFront;
    Vector3D flatBack;
    Vector3D flatRight;
    Vector3D flatLeft;
    Vector3D flatUp;
    Vector3D flatDown; 
    
    Matrix3D view;
    
    Plane3D frustumPlanes[6];
};

#endif