//***************************************
// ContinueGesture
//
// use: Update min and max x and y values for
// the current gesture being recorded
// and add the new point to the list.
// Called while player holds input down.
private void ContinueGesture()
{
currentPoint.SetX(Input.mousePosition.x - startPoint.GetX());
currentPoint.SetY(Input.mousePosition.y - startPoint.GetY());
currentPointList.Add(new TwoDPoint(currentPoint.GetX(), currentPoint.GetY()));
if (currentPoint.GetX() > currentGesture.GetMaxX())
{
currentGesture.SetMaxX(currentPoint.GetX());
}
if (currentPoint.GetX() < currentGesture.GetMinX())
{
currentGesture.SetMinX(currentPoint.GetX());
}
if (currentPoint.GetY() > currentGesture.GetMaxY())
{
currentGesture.SetMaxY(currentPoint.GetY());
}
if (currentPoint.GetY() < currentGesture.GetMinY())
{
currentGesture.SetMinY(currentPoint.GetY());
}
if (limitSamples && currentPointList.Count >= maxPointsAllowed)
{
gestureComplete = true;
Debug.Log(message: "Gesture Complete!");
}
}
//***************************************
// Rescale
//
// use: scales recorded list of points to a square field
// of a chosen size by multiplication of the factor
// of the desired size it already is
// Called on every gesture after recording
private void Rescale(DrawnGesture gesture)
{
float scale = 1f;
float xrange = gesture.GetMaxX() - gesture.GetMinX();
float yrange = gesture.GetMaxY() - gesture.GetMinY();
if (xrange >= yrange)
{
scale = standardRatio / (gesture.GetMaxX() - gesture.GetMinX());
}
else
{
scale = standardRatio / (gesture.GetMaxY() - gesture.GetMinY());
}
if (scale != 1)
{
foreach (TwoDPoint point in currentPointList)
{
point.SetX(point.GetX() * scale);
point.SetY(point.GetY() * scale);
}
}
}