ScrollingShooter.Blimp.Update C# (CSharp) Method

        public override void Update(float elapsedTime)
        {
            if (-ScrollingShooterGame.LevelManager.scrollDistance / 2 <= position.Y  - 10) ScrollingShooterGame.LevelManager.Scrolling = false;

            this.Health = Math.Min(this.Health, Math.Min(leftGun.Health, rightGun.Health));

            // If the blimp is below 25% health switch the sprite
            if (this.Health / maxHealth < 0.25f) state = BlimpState.Below25;

            if (this.Health <= 0)
            {
                ScrollingShooterGame.GameObjectManager.DestroyObject(leftGun.ID);
                ScrollingShooterGame.GameObjectManager.DestroyObject(rightGun.ID);
            }

            // Move the blimp
            if (position.X - 11 <= 5 || position.X + 69 >= this.screenWidth - 30) velocity.X *= -1;
            position.X -= elapsedTime * velocity.X;

            this.gunTimer += elapsedTime;

            if (gunTimer >= 1f)
            {
                // Sense the player's position
                PlayerShip player = ScrollingShooterGame.Game.Player;
                Vector2 playerPosition = new Vector2(player.Bounds.Center.X, player.Bounds.Center.Y);

                // Get a vector from our position to the player's position
                Vector2 toPlayer = playerPosition - this.position;

                // Shoot the shotgun if the player is within 200 units of the blimp
                if (toPlayer.LengthSquared() < 40000)
                {
                    Vector2 travel = position;
                    travel.X += Bounds.Width / 2;
                    travel.Y += Bounds.Height / 2;
                    ScrollingShooterGame.GameObjectManager.CreateProjectile(ProjectileType.BlimpShotgun, travel);
                    gunTimer = 0;
                }
            }
        }