/// <inheritdoc/>
public override GamePadJoystickDirection GetJoystickDirection(GamePadJoystick joystick, Single?threshold = null)
{
Contract.EnsureNotDisposed(this, Disposed);
var thresholdValue = Math.Abs(threshold ?? AxisDownThreshold);
var hAxis = GamePadAxis.None;
var vAxis = GamePadAxis.None;
switch (joystick)
{
case GamePadJoystick.None:
return(GamePadJoystickDirection.None);
case GamePadJoystick.Left:
hAxis = GamePadAxis.LeftJoystickX;
vAxis = GamePadAxis.LeftJoystickY;
break;
case GamePadJoystick.Right:
hAxis = GamePadAxis.RightJoystickX;
vAxis = GamePadAxis.RightJoystickY;
break;
default:
throw new ArgumentException("joystick");
}
var hAxisValue = GetAxisValue(hAxis);
var vAxisValue = GetAxisValue(vAxis);
var result = GamePadJoystickDirection.None;
if (hAxisValue <= -thresholdValue)
{
result |= GamePadJoystickDirection.Left;
}
else if (hAxisValue >= thresholdValue)
{
result |= GamePadJoystickDirection.Right;
}
if (vAxisValue <= -thresholdValue)
{
result |= GamePadJoystickDirection.Up;
}
else if (vAxisValue > thresholdValue)
{
result |= GamePadJoystickDirection.Down;
}
return(result);
}
/// <summary> /// Gets the direction in which the specified joystick is pointed, using the specified minimum threshold value. /// If no threshold is specified, the value of <see cref="AxisDownThreshold"/> is used instead. /// </summary> /// <param name="joystick">A <see cref="GamePadJoystick"/> value that represents the joystick to evaluate.</param> /// <param name="threshold">The threshold value at which the joystick is considered to be pointed in a particular direction.</param> /// <returns>A set of <see cref="GamePadJoystickDirection"/> values which represent the joystick's direction.</returns> public abstract GamePadJoystickDirection GetJoystickDirection(GamePadJoystick joystick, Single?threshold = null);
