// Whenever we change the number of grab points, we save the
// current transform data
private void BeginTransform()
{
// End the transform on any existing transformer before we
// begin the new one
EndTransform();
int useGrabPoints = _selectingPoints.Count;
if (_maxGrabPoints != -1)
{
useGrabPoints = Mathf.Min(useGrabPoints, _maxGrabPoints);
}
switch (useGrabPoints)
{
case 1:
_activeTransformer = OneGrabTransformer;
break;
case 2:
_activeTransformer = TwoGrabTransformer;
break;
default:
_activeTransformer = null;
break;
}
if (_activeTransformer == null)
{
return;
}
_activeTransformer.BeginTransform();
}
