movie clip access tip request.

Forum|Forum|17 years ago
June 21, 2008
4 replies
718 views

I am attempting to access a movieclip on the stage by its instance name.
It is not a child of anything but the stage.

I can do this in the document class via:
var mc:MovieClip = pumpkin_mc;
trace (mc);

but, if I try the same in a non-document class, it cannot find the movieclip.

why? and How do I?

I could access it with:
var _mc:MovieClip = MovieClip(e.currentTarget.root).pumpkin_mc;

but I am writing a function that effects the pumpkin only, and I want to access the pumpkin_mc in that class without feeding the function the pumpkin instance object.

i.e.
openPumpkin()

closePumpkin()

ActionScript

This topic has been closed for replies.

Correct answer kglad

Ok, gotcha so far.

I am attempting to set a global static variable or constant to the pumpkin instance so other functions in the same package can utilize that variable or constant.

for all variables and objects that you want to be globally available, you can create a class with a static object.

then because objects are dynamic, you can assign any property you want to the object:

kglad

Community Expert

you're welcome.

G

goodonlineAuthor

Known Participant

BAM! I get it.

Thank you.

G

goodonlineAuthor

Known Participant

No difference they are the same thing. The pumpkin instance object is named pumpkin_mc.

To specify further. The action I am attempting will not be connected to the pumpkin_mc with any event.

Example: If click a button, call openPumpkin()
"pumpkin_mc is not the button object"

looking something like this:

public function openPumpkin(){
var mc:MovieClip = pumpkin_mc;

... do stuff to pumpkin_mc;
pumpkin_mc.x = 20;
etc...

}

kglad

Community Expert

in oop, properties and methods (like openPumpkin() ) are encapsulated. ie, they are not accessible outside the class.

so, you can no more call openPumpkin() without having access to a class member, than you can use call the draw() method of the bitmapdata class without a bitmapdata instance.

you can use static properties or methods. then anything that can access the class itself (as opposed to a class member), can call that static function:

G

goodonlineAuthor

Known Participant

Ok, gotcha so far.

I am attempting to set a global static variable or constant to the pumpkin instance so other functions in the same package can utilize that variable or constant.

kglad

Community Expert

what's the difference between pumpkin_mc and "..the pumpkin instance object"?

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