private void Timer_Tick(Object sender, EventArgs e) //timer for continuous check
{
if (currentFrame != null)
{
double[] velocityArr = LeapEventListener.getVelocity(currentFrame);
ts++;
if (velocityArr[0] < Constants.velocityThreshold && velocityArr[1] < Constants.velocityThreshold && velocityArr[2] < Constants.velocityThreshold && velocityArr[3] < Constants.velocityThreshold && velocityArr[4] < Constants.velocityThreshold)
{
if (LeapEventListener.isZeros(velocityArr) == false)
{
/*
* if (ts - timeStamp > Constants.positionStallThreshold / 10)
* {
* tempFrame = currentFrame;
* timeStamp = ts;
* TranslateInstance(tempFrame);
*
* }
*/
if (toExtract == false) // if the letter is not ready for extraction
{
tempFrame = currentFrame;
timeStamp = ts;
toExtract = true;
printPermission = true; // gives permission for the letter to be printed, prevent duplicates
}
if (ts - timeStamp > (Constants.positionStallThreshold / 10) / 2) //check if the user stayed in the same position 1 sec
{
tempFrame = currentFrame;
}
if (ts - timeStamp > Constants.positionStallThreshold / 10 && toExtract == true && printPermission == true) //check if the user stayed in the same position 1 sec
{
printPermission = false;
TranslateInstance(tempFrame);
timeStamp = 0;
ts = 0;
}
}
}
else//user switch to the next letter
{
toExtract = false;
printPermission = false;
// timeStamp = ts; // sahar
}
}
}
void frameListener(Frame frame) // the frame handler
{
currentFrame = frame;
double[] distances = new double[5];
i++;
if (i == Constants.framesInterval)
{
distances = LeapEventListener.getVelocity(frame);
OutputData1.Text = distances[0].ToString();
OutputData2.Text = distances[1].ToString();
OutputData3.Text = distances[2].ToString();
OutputData4.Text = distances[3].ToString();
OutputData5.Text = distances[4].ToString();
i = 0;
}
}
