https://www.dotnetzone.gr:443/cs/blogs/iwannis/archive/2010/02/10/xna-2d-basic-collision-detection-with-rotation-sprite2sprite.aspx(If you are in a hurry and do not want to no how it's done but just do it, dowload the project and extract the CollisionDetection2D.cs file to include in your project that contains the collision detection methods) In my previous post ,we have seen severalelCommunityServer 2.1 SP3 (Build: 20423.1)