ActionScript 3.0 :: Finding The Size Of The Stage/Viewing Area
Dec 18, 2009
How do I determine the pixel size of the stage or viewing area defined in Flash CS4? Isn't it just stage.width and stage.height?
Okay now the long version:
I'm working on a script in AS3 and Flash CS4, and I'm doing some art by code.
I wanted to make a progress bar for a preloader, so I made a Preloader MovieClip and on that movieclip I drew a white rectangle, and I told it to appear at stage.width / 3 and stage.height /3. It drew it at the top corner instead, and after a lot of experimentation, and reading the ActionScript 3.0 Language and Components Reference I found that a display object's width and height are defined by their contents, and you can't manually alter them to be bigger. So I figured that I could make an invisible rectangle the size of the stage in the background of the preloader MovieClip and that would make it the size of the stage, but I realized that I would still be stuck manually setting the stage size to match what I wrote in ActionScript. Untill the MovieClip containing the Preloader was added as a child object to the stage, which would then set the stage.width and stage.height to match those of the contents.
Now that I talk about it, I suppose I'm looking for the size of the perspective or viewing window, rather than the stage. The stage can be larger or smaller than the viewing window in Flash, can't it? But the perspective of the window is finite, unless you change it.
The thing is I'm sure I've polled this information to position an object at the center of the viewing area before, but I can't for the life of me remember how. So, that's what I'm asking; how do I find the dimensions of the viewing area, so that I can either position an object at the middle, or create an object the size of the viewing area, by code?
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