#pragma once

#include "PhysicsTypes.h"

namespace charcoal
{
	namespace physics
	{
		namespace collision
		{
			// 4 comparisons
			bool point_in_rect(const Rect& rect, float x, float y)
			{
				return
					y < rect.top &&
					y > rect.bottom &&
					x > rect.left &&
					x < rect.right;
			}

			// 8 * 4 = 32 comparisons
			bool rect_in_rect(const Rect& a, const Rect& b)
			{
				return
					point_in_rect(a, b.left, b.top) ||
					point_in_rect(a, b.left, b.bottom) ||
					point_in_rect(a, b.right, b.top) ||
					point_in_rect(a, b.right, b.bottom) ||

					point_in_rect(b, a.left, a.top) ||
					point_in_rect(b, a.left, a.bottom) ||
					point_in_rect(b, a.right, a.top) ||
					point_in_rect(b, a.right, a.bottom);
			}
		}
	}
}