I have two display objects dispObj1, dispObj2.
dispObj2.stage is null. (i.e. it is not added to stage anyhow)
What should be the output of dispObj1.getBounds(dispObj2)?
Is it well defined, or could it be arbitrary?
Once I got x of boundingRectangle close to 6710785, which I guess
is a symptom of an integer overflow somewhere.
但其他时候,我对X、y、width、hala来说,是合理的。