public Point GetNextPoint(Point warpPoint)
{
System.Drawing.Rectangle screenSize = ScreenPixelHelper.GetScreenSize();
trans = this.getTranslation();
if (trans != null)
{
warpPoint.Offset((int)(trans.x * sensitivity), (int)(trans.y * sensitivity));
}
return(warpPoint);
}
public Point calculateSmoothedPoint()
{
//if current point is more than some percentage the screen away, then set to new warp point
//and refresh tracking
if (largeSaccadeDetected(ScreenPixelHelper.ConvertMmToPixels(Properties.Settings.Default.largeSaccadeThresholdMm)))
{
warpPoint = samples[sampleIndex];
RefreshTracking();
//Fill rest of array with the same item
for (int i = 0; i < samples.Length; i++)
{
samples[i] = warpPoint;
}
}
return(calculateTrimmedMean());
}
//screenPercent is between 0 and 100
public bool largeSaccadeDetected(double screenPercent)
{
Point currentPoint = samples[sampleIndex];
//get screen percent in terms of pixels
System.Drawing.Rectangle screenSize = ScreenPixelHelper.GetScreenSize();
//find hypotenuse of distance in pixels for screenpercentage
double pixelsThreshold = Math.Sqrt(Math.Pow(screenSize.Width, 2) + Math.Pow(screenSize.Height, 2)) * screenPercent / 100;
Point saccadeDiff = new Point(Math.Abs(currentPoint.X - GetWarpPoint().X), Math.Abs(currentPoint.Y - GetWarpPoint().Y));
double saccadeDiffPixels = Math.Sqrt(Math.Pow(saccadeDiff.X, 2) + Math.Pow(saccadeDiff.Y, 2));
if (saccadeDiffPixels > pixelsThreshold)
{
return(true);
}
return(false);
}
