Ray.hpp

#pragma once
#ifndef __H__OCULAR_MATH_RAY__H__
#define __H__OCULAR_MATH_RAY__H__

#include "Math/Vector3.hpp"

//------------------------------------------------------------------------------------------

namespace Ocular
{
    namespace Math
    {
        class BoundsSphere;
        class BoundsAABB;
        class BoundsOBB;
        class Plane;

        class Ray
        {
        public:

            Ray(Vector3f const& origin, Vector3f const& direction);
            
            Ray();
            ~Ray();

            void setOrigin(Vector3f const& origin);

            void setDirection(Vector3f const& direction);

            Vector3f const& getOrigin() const;

            Vector3f const& getDirection() const;

            Vector3f getPointAlong(float distance) const;

            //------------------------------------------------------------------------------
            // Intersection and Containment Testing
            //------------------------------------------------------------------------------
            
            bool intersects(Point3f const& point) const;

            bool intersects(Ray const& other) const;

            bool intersects(Ray const& other, Point3f& point, float& distance) const;
            
            bool intersects(BoundsSphere const& bounds) const;

            bool intersects(BoundsSphere const& bounds, Point3f& point, float& distance) const;
            
            bool intersects(BoundsAABB const& bounds) const;
            
            bool intersects(BoundsAABB const& bounds, Point3f& point, float& distance) const;
            
            bool intersects(BoundsOBB const& bounds) const;
            
            bool intersects(BoundsOBB const& bounds, Point3f& point, float& distance) const;

            bool intersects(Plane const& plane) const;

            bool intersects(Plane const& plane, Vector3f& point, float& distance) const;

        protected:

        private:

            Vector3f m_Origin;
            Vector3f m_Direction;

        };
    }
}
//------------------------------------------------------------------------------------------

#endif