/*]  Copyright (c) 2009-2010, Charles McGarvey  [**************************
**]  All rights reserved.
*
* vi:ts=4 sw=4 tw=75
*
* Distributable under the terms and conditions of the 2-clause BSD license;
* see the file COPYING for a complete text of the license.
*
**************************************************************************/

#ifndef _MOOF_SHAPE_HH_
#define _MOOF_SHAPE_HH_

#include <Moof/Drawable.hh>
#include <Moof/Math.hh>
#include <Moof/OpenGL.hh>
#include <Moof/Ray.hh>


// Frustum
// Plane (can construct from Triangle<3>)
// Ray
// Shape<>
// +- Line<>
// +- Ball<>
// |  Circle		<- Ball<2>
// |  Sphere		<- Ball<3>
// +- Box<>
// |  Rectangle		<- Box<2>
// |  Aabb			<- Box<3>
// +- Polygon<>
// |  Triangle		<- Polygon<3>
// +- Cylinder
// +- Cone


namespace Mf {


template <int D>
class Shape
{
public:

	virtual ~Shape() {}

	/**
	 * Checks if this shape is intersected by a given ray.  If so, returns
	 * the distance from the start of the ray to the shape and information
	 * about the intersection via the 2nd parameter.  A negative value is
	 * returned if there is no intersection.
	 */
	virtual bool intersectRay(const Ray<D>& ray,
							  typename Ray<D>::Intersection& hit)
	{
		return SCALAR(-1.0);
	}
};


} // namespace Mf

#endif // _MOOF_SHAPE_HH_