/*]  Copyright (c) 2009-2011, Charles McGarvey  [*****************************
**]  All rights reserved.
*
* 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_CULLABLE_HH_
#define _MOOF_CULLABLE_HH_

/**
 * \file cullable.hh
 * Representation for an object that may or may not be visible.
 */


namespace moof {


// forward declarations
class frustum;

/**
 * Interface for anything that can be culled.
 */
class cullable
{
public:

	virtual ~cullable() {}

	virtual bool is_visible(const frustum& frustum) const
	{
		// unless determined otherwise, assume visible
		return true;
	}
};


} // namespace moof

#endif // _MOOF_CULLABLE_HH_