收录日期：2021/01/22 02:40:47 时间：2010-03-31 04:56:42 标签：actionscript-3
I have 3 square. smallest square s3 is inside s2. s2 is in side s1. each is 10px larger
var s1:Sprite = new Sprite();
var s2:Sprite = new Sprite();
var s3:Sprite = new Sprite();
s2.addChild(s3);
s1.addChild(s2);
how can I find the coordinate of child in its parent's coordinate system?
Inside s3
trace(x) //10
trace(parent.childXof(s3)) //20 how do I get this?
What you are looking for is the localToGlobal and globalToLocal methods of DisplayObjects
Links to documentation:
They allow you to transform a point from one coordinate space to the other, which is what you are looking to do.
Hope it helps!
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