Add BulletAnimated.setHitListener

src/main/java/lab/BulletAnimated.java

@@ -113,4 +113,8 @@ public class BulletAnimated  implements DrawableSimulable, Collisionable{
 		speed = initialSpeed;
 	}
 	
+	public void setHitListener(HitListener hitListener) {
+		this.hitListener = hitListener;
+	}
+	
 }