/// <summary>
/// Gets the delta value of the given axis on the given device.
/// </summary>
/// <param name="dev">
/// The input device.
/// </param>
/// <param name="axis">
/// The axis to check.
/// </param>
/// <returns>
/// The delta value of the given axis on the given device if it is valid, otherwise 0.0f.
/// </returns>
public float GetAxisDelta(InputDevice dev, string axis)
{
if (dev is InputDevice.Mouse)
{
return(Mouse.AxisDelta(axis));
}
else if (dev is InputDevice.Joystick)
{
return(Joystick.AxisDelta(axis));
}
return(0.0f);
}