XNA 4.0 Game Development by Example Beginner's Guide

Time for action – creating the CollisionManager class

1. Add a new class called CollisionManager to the AsteroidBeltAssault class.
2. Add the following using directive to the top of the class:

   using Microsoft.Xna.Framework;

3. Add declarations to the CollisionManager class:

   private AsteroidManager asteroidManager;
   private PlayerManager playerManager;
   private EnemyManager enemyManager;
   private ExplosionManager explosionManager;
   private Vector2 offScreen = new Vector2(-500, -500);
   private Vector2 shotToAsteroidImpact = new Vector2(0, -20);
   private int enemyPointValue = 100;

4. Add a constructor to the CollisionManager class:

   public CollisionManager( AsteroidManager asteroidManager, PlayerManager playerManager, EnemyManager enemyManager, ExplosionManager explosionManager) ...