// Draw the line, and record any changes performed via the GUI
private Vector3 ShowPoint(int i)
{
Vector3 point = handleTransform.TransformPoint(curve.points[i]);
EditorGUI.BeginChangeCheck();
point = Handles.DoPositionHandle(point, handleRotation);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(curve, "Move Point");
EditorUtility.SetDirty(curve);
curve.points[i] = handleTransform.InverseTransformPoint(point);
}
return(point);
}