/// <summary>
/// Checks whether the subject is ready to start performing the task.
/// </summary>
/// <returns>True if ready to start.</returns>
public override bool IsReadyToStart()
{
// Check that upper and lower arms are within the tolerated start position.
float qShoulder = leftySign * Mathf.Rad2Deg * (upperArmTracker.GetProcessedData(5) + Mathf.PI); // Offsetting to horizontal position being 0.
float qElbow = 0;
if (experimentType == ExperimentType.TypeOne)
{
qElbow = Mathf.Rad2Deg * (lowerArmTracker.GetProcessedData(5)) - qShoulder; // Offsetting to horizontal position being 0.
}
else if (experimentType == ExperimentType.TypeTwo)
{
qElbow = -Mathf.Rad2Deg * elbowManager.GetElbowAngle();
}
// The difference to the start position
float qSDiff = qShoulder - startShoulderAngle;
float qEDiff = qElbow - startElbowAngle;
//
// Update information displayed for debugging purposes
//
if (debug)
{
debugText.text = experimentState.ToString() + "\n";
if (experimentState == ExperimentState.WaitingForStart)
{
debugText.text += waitState.ToString() + "\n";
}
debugText.text += qShoulder.ToString() + "\n";
debugText.text += qElbow.ToString() + "\n";
}
// Make sure the user knows the elbow is not enabled.
if (experimentType == ExperimentType.TypeTwo)
{
if (!elbowManager.IsEnabled)
{
HudManager.centreColour = HUDManager.HUDCentreColour.Yellow;
}
else
{
HudManager.centreColour = HUDManager.HUDCentreColour.None;
}
}
if (Mathf.Abs(qSDiff) < startTolerance && Mathf.Abs(qEDiff) < startTolerance)
{
HudManager.colour = HUDManager.HUDColour.Orange;
return(true);
}
// Provide instructions when not there yet
else
{
string helpText = "";
if (qSDiff < 0 && Mathf.Abs(qSDiff) > startTolerance)
{
helpText += "UA: ++.\n";
}
else if (qSDiff > 0 && Mathf.Abs(qSDiff) > startTolerance)
{
helpText += "UA: --.\n";
}
if (qEDiff < 0 && Mathf.Abs(qEDiff) > startTolerance)
{
helpText += "LA: ++.\n";
}
else if (qEDiff > 0 && Mathf.Abs(qEDiff) > startTolerance)
{
helpText += "LA: --.\n";
}
HudManager.DisplayText(helpText);
HudManager.colour = HUDManager.HUDColour.Red;
return(false);
}
}