SceneItem.cs Farseer Test

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using FarseerPhysics.Common;
using FarseerPhysics.Common.Decomposition;
using FarseerPhysics.Common.PolygonManipulation;
using FarseerPhysics.Dynamics;
using FarseerPhysics.Factories;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;

namespace FarseerSimple
{
    public class SceneItem
    {
        public Vector2 Position;
        public Texture2D Texture;
        public Body FarseerBody;

        public float PositionX {
            get {
                return Position.X;
            }
            set {
                Position.X = value;
            }
        }

        public float PositionY {
            get {
                return Position.Y;
            }
            set {
                Position.Y = value;
            }
        }


        public void CreateFarseerObject(World world) {
            SceneItem item = this;
            Texture2D polygonTexture = item.Texture;

            //Create an array to hold the data from the texture
            uint[] data = new uint[polygonTexture.Width * polygonTexture.Height];

            //Transfer the texture data to the array
            polygonTexture.GetData(data);

            //Find the vertices that makes up the outline of the shape in the texture
            Vertices textureVertices = PolygonTools.CreatePolygon(data, polygonTexture.Width, false);

            //The tool return vertices as they were found in the texture.
            //We need to find the real center (centroid) of the vertices for 2 reasons:

            //1. To translate the vertices so the polygon is centered around the centroid.
            //Vector2 centroid = -textureVertices.GetCentroid();
            //textureVertices.Translate(ref centroid);

            //2. To draw the texture the correct place.
            //SceneItem.Pivot = -centroid;
            //Offset = -centroid;

            //We simplify the vertices found in the texture.
            textureVertices = SimplifyTools.ReduceByDistance(textureVertices, 1f);

            //Since it is a concave polygon, we need to partition it into several smaller convex polygons
            List<Vertices> list = BayazitDecomposer.ConvexPartition(textureVertices);

            //Create a single body with multiple fixtures
            FarseerBody = BodyFactory.CreateCompoundPolygon(world, list, 1f, item.Position, item);
            //Body = BodyFactory.CreateCompoundPolygon(IceFarseerManager.StaticWorld, list, 1f, BodyType.Dynamic);
            //Body = BodyFactory.CreateCircle(IceFarseerManager.Instance.World, polygonTexture.Width * 0.5f, 1.0f, SceneItem.Position, SceneItem);
            FarseerBody.BodyType = BodyType.Static;

            FarseerBody.IgnoreGravity = true;
            FarseerBody.Enabled = true;
            FarseerBody.Awake = true;
            FarseerBody.CollidesWith = Category.All;
            FarseerBody.CollisionCategories = Category.All;
            FarseerBody.OnCollision += new OnCollisionEventHandler(Game1.Body_OnCollision);
        }
    }
}