refactor: Renamed ICollisionDetector to ICollisionDetector2D

Engine.Physics2D/PhysicsEngine2D.cs

@@ -12,7 +12,7 @@ public class PhysicsEngine2D : IPhysicsEngine2D
     private readonly List<ICollider2D> colliders = new(64);
 
     private int _iterationCount = 1;
-    private ICollisionDetector collisionDetector = new CollisionDetector();
+    private ICollisionDetector2D collisionDetector = new CollisionDetector2D();
 
     public int IterationCount { get => _iterationCount; set => _iterationCount = value < 1 ? 1 : value; }