src/rcrt/cameras/PerspectiveCamera.h

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#ifndef PERSPECTIVECAMERA_H_
#define PERSPECTIVECAMERA_H_

#include "Camera.h"

namespace rcrt
{

class PerspectiveCamera : public rcrt::Camera
{
private:
        float vangle;
        Point3D pos;
        Vec3D dir, up;
        bool init;
        
        float focus;
        Vec3D xAxis, yAxis, zAxis;
        float aspect;
        
public:
        PerspectiveCamera();
        PerspectiveCamera(float angle, const Point3D& p, const Vec3D& d, const Vec3D& u, const int& resX, const int& resY);
        virtual ~PerspectiveCamera();
        
        void initialise(float angle, const Point3D& p, const Vec3D& d, const Vec3D& u, const int& resX, const int& resY);
        void update(const Point3D& p, const Vec3D& d, const Vec3D& u);
        virtual Ray getRay(const Point2D& px) const;
        virtual void setResolution(const int& resX, const int& resY);
        virtual void setAngle(const float& angle);
        virtual const Vec3D& getDirection();
        virtual const Vec3D& getXAxis();
        virtual const Vec3D& getUp();
        virtual const Point3D& getPosition();
        virtual const float getAngle();
        virtual const float& getFocus();
};

}

#endif /*PERSPECTIVECAMERA_H_*/

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