/*]  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_RECTANGLE_HH_
#define _MOOF_RECTANGLE_HH_

#include <Moof/Math.hh>


namespace Mf {


/**
 * Axis-aligned Bounding Box
 */

struct Rectangle
{
	Vector2 min;
	Vector2 max;


	Rectangle() {}

	Rectangle(const Vector2& a, const Vector2& b)
	{
		init(a, b);
	}

	Rectangle(Scalar ax, Scalar ay, Scalar bx, Scalar by)
	{
		Vector2 a(ax, ay);
		Vector2 b(bx, by);

		init(a, b);
	}

	void init(const Vector2& a, const Vector2& b)
	{
		if (a[0] < b[0])
		{
			min[0] = a[0];
			max[0] = b[0];
		}
		else
		{
			min[0] = b[0];
			max[0] = a[0];
		}
		if (a[1] < b[1])
		{
			min[1] = a[1];
			max[1] = b[1];
		}
		else
		{
			min[1] = b[1];
			max[1] = a[1];
		}
	}

	Vector2 getCenter() const
	{
		return Vector2((min[0] + max[0]) / 2.0,
					   (min[1] + max[1]) / 2.0);
	}

	void getCorners(Vector2 corners[4]) const;
};


} // namespace Mf

#endif // _MOOF_RECTANGLE_HH_