/// <summary>
/// Transforms a point from the local coordinate system to GRoot coordinates.
/// </summary>
/// <param name="pt"></param>
/// <param name="r"></param>
/// <returns></returns>
public Vector2 LocalToRoot(Vector2 pt, GRoot r)
{
pt = displayObject.LocalToGlobal(pt);
if (r == null || r == GRoot.inst)
{
//fast
pt.x /= GRoot.contentScaleFactor;
pt.y /= GRoot.contentScaleFactor;
}
else
{
return(r.GlobalToLocal(pt));
}
return(pt);
}
/// <summary>
/// Transforms a point from the local coordinate system to GRoot coordinates.
/// </summary>
/// <param name="pt"></param>
/// <param name="r"></param>
/// <returns></returns>
public Vector2 LocalToRoot(Vector2 pt, GRoot r)
{
pt = LocalToGlobal(pt);
if (r == null || r == GRoot.inst)
{
//fast
pt.x /= GRoot.contentScaleFactor;
pt.y /= GRoot.contentScaleFactor;
}
else
return r.GlobalToLocal(pt);
return pt;
}