/* Single Flash Operation */
IEnumerator SingleFlash()
{
while (startFlashes)
{
//Generate a random number from the list of indices that have non-zero counters
System.Random random = new System.Random();
int randomIndex = random.Next(s_indexes.Count);
int randomShapeIndex = s_indexes[randomIndex];
//Turn off the cubes to give the flashing image
TurnOff();
//If the counter is non-zero, then flash that cube and decrement the flash counter
if (flash_counter[randomShapeIndex] > 0)
{
yield return(new WaitForSecondsRealtime((1f / freqHz)));
Shapes2D.Shape randomShape = arcShapes[randomIndex];
randomShape.settings.fillColor = onColor;
flash_counter[randomShapeIndex]--;
counter++;
//print("CUBE: " + randomShape.ToString());
//print(counter);
//Write to the LSL Outlet stream
marker.Write("s," + randomShape.ToString());
}
else if (numTrials == counter)
{
print("Done P300 Single Flash Trials");
break;
}
else
{
//If the counter for a specific cube has reached zero, then remove it from the indexes so that the random
//number generator does not pick it again (to reduce lag)
if (flash_counter[randomShapeIndex] == 0)
{
s_indexes.RemoveAt(randomIndex);
}
//Go to the next iteration of the single flash
continue;
}
yield return(new WaitForSecondsRealtime(flashLength));
}
ResetCounters();
//Write to LSL stream to indicate end of P300 SingleFlash
//marker.Write("P300 SingleFlash Ends");
startFlashes = !startFlashes;
//keyLocks[KeyCode.S] = !keyLocks[KeyCode.S];
}
public void TurnOff()
{
for (int i = 0; i < arcShapes.Count; i++)
{
Shapes2D.Shape shape = arcShapes[i];
string shapeName = shape.ToString();
if (shapeName.Contains("Large"))
{
shape.settings.fillColor = largeColor;
}
else if (shapeName.Contains("Medium"))
{
shape.settings.fillColor = mediumColor;
}
else
{
shape.settings.fillColor = smallColor;
}
}
}
