AsteroidShooter.Ship.Rule3 C# (CSharp) Метод

    public void Rule3(float dt, World world)
    {
      switch (s3)
      {

        case -1:
          ___vy31 = new Microsoft.Xna.Framework.Vector2(-300f, 0f);
          goto case 1;
        case 1:
          if (!(world.State.IsKeyDown(Keys.A)))
          {

            s3 = 1;
            return;
          }
          else
          {

            goto case 0;
          }
        case 0:
          Position = ((Position) + (((___vy31) * (dt))));
          s3 = -1;
          return;
        default: return;
      }
    }