Game1.cs Farseer Test

using System;
using System.Collections.Generic;
using System.Linq;
using FarseerPhysics;
using FarseerPhysics.Common;
using FarseerPhysics.Common.Decomposition;
using FarseerPhysics.Common.PolygonManipulation;
using FarseerPhysics.DebugViews;
using FarseerPhysics.Factories;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Audio;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.GamerServices;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;
using Microsoft.Xna.Framework.Media;
using FarseerPhysics.Dynamics;

namespace FarseerSimple
{
    /// <summary>
    /// This is the main type for your game
    /// </summary>
    public class Game1 : Microsoft.Xna.Framework.Game
    {
        GraphicsDeviceManager graphics;
        SpriteBatch spriteBatch;
        DebugViewXNA DebugView;
        SpriteFont font;
        public static bool IsCollision;

        public SceneItem Item1;
        public SceneItem Item2;

        public World World;

        public Game1() {
            graphics = new GraphicsDeviceManager(this);
            graphics.PreferredBackBufferWidth = 1280;
            graphics.PreferredBackBufferHeight = 720;
            Content.RootDirectory = "Content";
        }

        /// <summary>
        /// Allows the game to perform any initialization it needs to before starting to run.
        /// This is where it can query for any required services and load any non-graphic
        /// related content.  Calling base.Initialize will enumerate through any components
        /// and initialize them as well.
        /// </summary>
        protected override void Initialize() {
            // TODO: Add your initialization logic here

            base.Initialize();
        }

        /// <summary>
        /// LoadContent will be called once per game and is the place to load
        /// all of your content.
        /// </summary>
        protected override void LoadContent() {
            // Create a new SpriteBatch, which can be used to draw textures.
            spriteBatch = new SpriteBatch(GraphicsDevice);
            IsCollision = false;

            World = new World(Vector2.Zero);

            font = Content.Load<SpriteFont>(@"font");

            // TODO: use this.Content to load your game content here
            Item1 = new SceneItem();
            Item1.Position = new Vector2(200,200);
            Item1.Texture = Content.Load<Texture2D>(@"object");
            Item1.CreateFarseerObject(World);

            Item2 = new SceneItem();
            Item2.Position = new Vector2(600, 600);
            Item2.Texture = Content.Load<Texture2D>(@"object2");
            Item2.CreateFarseerObject(World);

            if (DebugView == null) {
                DebugView = new DebugViewXNA(World);
                DebugView.AppendFlags(DebugViewFlags.Shape);
                DebugView.AppendFlags(DebugViewFlags.PolygonPoints);
                DebugView.AppendFlags(DebugViewFlags.PerformanceGraph);
                DebugView.AppendFlags(DebugViewFlags.AABB);
                DebugView.DefaultShapeColor = Color.White;
                DebugView.SleepingShapeColor = Color.LightGray;
                DebugView.LoadContent(graphics.GraphicsDevice, Content, font);
            }
        }

        /// <summary>
        /// UnloadContent will be called once per game and is the place to unload
        /// all content.
        /// </summary>
        protected override void UnloadContent() {
            // TODO: Unload any non ContentManager content here
        }

        /// <summary>
        /// Allows the game to run logic such as updating the world,
        /// checking for collisions, gathering input, and playing audio.
        /// </summary>
        /// <param name="gameTime">Provides a snapshot of timing values.</param>
        protected override void Update(GameTime gameTime) {
            // Allows the game to exit
            if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
                this.Exit();

            KeyboardState keyState = Keyboard.GetState();
            if (keyState.IsKeyDown(Keys.Escape))
                this.Exit();

            if (keyState.IsKeyDown(Keys.A))
                Item2.PositionX -= 5;

            if (keyState.IsKeyDown(Keys.D))
                Item2.PositionX += 5;

            if (keyState.IsKeyDown(Keys.S))
                Item2.PositionY += 5;

            if (keyState.IsKeyDown(Keys.W))
                Item2.PositionY -= 5;

            Item1.FarseerBody.Position = Item1.Position;
            Item2.FarseerBody.Position = Item2.Position;

            IsCollision = false;
            World.Step(1.0f / 30.0f);

            base.Update(gameTime);
        }

        /// <summary>
        /// This is called when the game should draw itself.
        /// </summary>
        /// <param name="gameTime">Provides a snapshot of timing values.</param>
        protected override void Draw(GameTime gameTime) {
            if (IsCollision)
                GraphicsDevice.Clear(Color.Red);
            else
                GraphicsDevice.Clear(Color.CornflowerBlue);

            spriteBatch.Begin();

            // TODO: Add your drawing code here
            spriteBatch.Draw(Item1.Texture, Item1.Position, Color.White);

            spriteBatch.Draw(Item2.Texture, Item2.Position, Color.White);

            spriteBatch.End();


            //Matrix projection = Camera.SimProjection;
            //Matrix view = Camera.SimView;

            Rectangle boundingRect = new Rectangle(0, 0, 1280, 720);
            Matrix projection = Matrix.CreateOrthographicOffCenter(boundingRect.Left, boundingRect.Right,
                boundingRect.Bottom, boundingRect.Top, 0, 1);

            DebugView.RenderDebugData(ref projection);

            base.Draw(gameTime);
        }


        public static bool Body_OnCollision(Fixture fixtureA, Fixture fixtureB, FarseerPhysics.Dynamics.Contacts.Contact contact) {
            IsCollision = true;
            return true;
        }
    }
}