Camera.h

// Camera.h
//
    
namespace nkGraphics
{
    class Camera : public Node
    {       
        public :
 
            // Getters
            float getNear () const ;
            float getFar () const ;
            const Frustum& getFrustum () ;
            nkMemory::StringView getName () const ;
            float getFov () const ;
            float getOrthographicHeight () const ;
            PROJECTION_TYPE getProjectionType () const ;
            float getAspectRatio () const ;
            bool getAutoUpdateOnContextSwitch () const ;
            bool getHidden () const ;
            const nkMaths::Matrix& getViewMatrix () const ;
            const nkMaths::Matrix& getProjectionMatrix () const ;
            nkMaths::Matrix getViewProjMatrix () const ;
 
            // Setters
            virtual void setPositionRelative (const nkMaths::Vector& value) override ;
            virtual void setPositionAbsolute (const nkMaths::Vector& value) override ;
            virtual void translateRelative (const nkMaths::Vector& value) override ;
            virtual void translateAbsolute (const nkMaths::Vector& value) override ;
            virtual void setOrientationRelative (const nkMaths::Quaternion& value) override ;
            virtual void setOrientationAbsolute (const nkMaths::Quaternion& value) override ;
            virtual void rotateRelative (const nkMaths::Quaternion& value) override ;
            virtual void rotateAbsolute (const nkMaths::Quaternion& value) override ;
            virtual void setScaleRelative (const nkMaths::Vector& value) override ;
            virtual void setScaleAbsolute (const nkMaths::Vector& value) override ;
            virtual void applyScale (const nkMaths::Vector& value) override ;
            void setNear (float value) ;
            void setFar (float value) ;
            void setName (const nkMemory::StringView& name) ;
            void setFov (float radianValue) ;
            void setOrthographicHeight (float value) ;
            void setProjectionType (PROJECTION_TYPE value) ;
            void setAspectRatio (float widthOnHeight) ;
            void prepareForContext (RenderContext* context) ;
            void setAutoUpdateOnContextSwitch (bool value) ;
            void setHidden (bool value) ;
 
            // Updates
            void updateViewMatrix () ;
            void updateProjectionMatrix () ;
            void lookAt (const nkMaths::Vector& point, const nkMaths::Vector& enforcedUp = nkMaths::Vector(0, 0, 0, 0)) ;
 
            // Utilities
            void getNearPlanePoints (nkMaths::Vector& a, nkMaths::Vector& b, nkMaths::Vector& c, nkMaths::Vector& d) ;
            void getFarPlanePoints (nkMaths::Vector& a, nkMaths::Vector& b, nkMaths::Vector& c, nkMaths::Vector& d) ;
            void getFrustumCornersDirectionsWorld (nkMaths::Vector& a, nkMaths::Vector& b, nkMaths::Vector& c, nkMaths::Vector& d) ;
            void getFrustumCornersDirectionsView (nkMaths::Vector& a, nkMaths::Vector& b, nkMaths::Vector& c, nkMaths::Vector& d) ;
 
            // Raycast
            nkMaths::Vector getDirectionAtPixelWorld (int x, int y, RenderContext* fromContext = nullptr) ;
            nkMaths::Vector getDirectionAtScreenCoordWorld (float x, float y) ;
            nkMaths::Vector getDirectionAtPixelView (int x, int y, RenderContext* fromContext = nullptr) ;
            nkMaths::Vector getDirectionAtScreenCoordView (float x, float y) ;
 
            // Import / Export
            virtual void exportClassToTree (nkExport::Node* rootNode) override ;
            virtual void importClassFromTree (nkExport::Node* rootNode) override ;
 
        public :
 
            // Statics
            static nkMemory::UniquePtr<Camera> create (System* system = nullptr) ;
    } ;
}