/PhysicsEngines/Farseer/FarseerDatatypesMapping.cs

using System.Collections.Generic;

using Delta.Utilities.Datatypes;

using FarseerPhysics.Common;

using Microsoft.Xna.Framework;

	// Please read the note in summary, these are not really XNA Framework types.



namespace Delta.PhysicsEngines.Farseer

{

	/// <summary>

	/// Class that managed mapping from-to Delta engine data types to farseer and

	/// vice versa.

	/// </summary>

	/// <remarks>

	/// Note: Farseer uses internally Microsoft.Xna.Vector2 inside but this does

	/// not mean that it self references XNA. They ported the XNA version inside

	/// Farseer.

	/// </remarks>

	internal static class FarseerDatatypesMapping

	{

		#region Convert (Static)

		/// <summary>

		/// Convert Delta Engine Vector to Farseer Vector2.

		/// </summary>

		/// <param name="vector">The vector.</param>

		/// <returns>Farseer Vector2 created from Delta Engine Point.</returns>

		public static Vector2 Convert(ref Vector vector)

		{

			return new Vector2(vector.X, vector.Y);

		}



		/// <summary>

		/// Convert Delta Engine Point to Farseer Vector2.

		/// </summary>

		/// <param name="point">The point.</param>

		/// <returns>Farseer Vector2 created from Delta Engine Point.</returns>

		public static Vector2 Convert(ref Point point)

		{

			return new Vector2(point.X, point.Y);

		}



		/// <summary>

		/// Convert Farseer Vector2 to Delta engine vector.

		/// </summary>

		/// <param name="vector">The vector.</param>

		/// <param name="result">The converted Farseer vector.</param>

		public static void Convert(Vector2 vector, out Vector result)

		{

			result.X = vector.X;

			result.Y = vector.Y;

			result.Z = 0f;

		}



		/// <summary>

		/// Convert Farseer Vector2 to Delta engine Point.

		/// </summary>

		/// <param name="vector">The vector.</param>

		/// <param name="result">The converted Farseer vector.</param>

		public static void Convert(ref Vector2 vector, out Point result)

		{

			result.X = vector.X;

			result.Y = vector.Y;

		}



		/// <summary>

		/// Converts a list of DeltaEngine Point's to Farseer list of Point's.

		/// </summary>

		/// <param name="list">The list.</param>

		/// <returns>

		/// Farseer List of Vector2 created from Delta Engine list of points.

		/// </returns>

		public static IList<Vector2> Convert(IList<Point> list)

		{

			List<Vector2> result = new List<Vector2>();

			for (int index = 0; index < list.Count; index++)

			{

				result.Add(new Vector2(list[index].X, list[index].Y));

			}



			return result;

		}



		/// <summary>

		/// Convers a list of list Point to Farseer Vertices.

		/// </summary>

		/// <param name="arrayVert">The array vert.</param>

		/// <returns>

		/// Farseer Vertices created from Delta Engine list of points.

		/// </returns>

		public static List<Vertices> Convert(List<IList<Point>> arrayVert)

		{

			List<Vertices> vertices = new List<Vertices>();

			foreach (IList<Point> points in arrayVert)

			{

				vertices.Add(new Vertices(Convert(points)));

			}



			return vertices;

		}

		#endregion

	}

}