src/Camera.h

#ifndef CAMERA_H_INCLUDED
#define CAMERA_H_INCLUDED

#include "Component.h"



enum CameraProjectionTypeEnum{
        ORTHOGRAPHIC,
        PERSPECTIVE
};

struct Ray;

class Camera: public Component{
        public :
                static const RTTI TYPE;
                virtual const RTTI& getType() const{ return TYPE; }

        protected:
                static Camera* mainCamera;

                CameraProjectionTypeEnum projectionType;
                float aspectRatio;
                float fovy;
                float _near;
                float _far;

        public:
                Camera();
                Camera(float AspectRatio, float Near, float Far, float Fovy);
                ~Camera();

                void drawFrustum()const;

                static Camera* getMainCamera(){
                        if(!mainCamera)
                                std::cerr<<"Main Camera Not Set"<<std::endl;
                        return mainCamera;
                }
                static void setMainCamera(Camera* cam){
                        mainCamera = cam;
                }

                Ray getWorldRayFromScreenPos(int xScreen, int yScreen)const;

                void setProjectionMatrix()const;
};

#endif