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Thread: Instantiate a Class picked from a Class Array

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  1. #1
    Member
    Join Date
    Jul 2009
    Location
    Florianópolis
    Posts
    81

    solved! now, how to decently extend a class?

    Hi, I solved it this way:

    obj = new _objectClassArray[range(0, _objectClassArray.length - 1)];

    simple

    I wonder now how could I extend the class ObjectPool
    Cause I've just copied the whole code into a new .as file I called "MultipleObjectPool" and changed very little stuff on it.
    But I know that's definitely not good practice.

    So, these are the changes I've made in the "MultipleObjectPool" class:

    1st - I added the "_objectClassArray" instance variable (not sure if it's called this way) , and removed the "_objectClass" instance variable since I didn't need it anymore.

    2nd - The constructor changed:

    Code:
    		public function ObjectPool(objectClass:Class, max:uint) {
    			_objectClass = objectClass;
    becomes

    Code:
    		public function ObjectPool(objectClassArray:Array, max:uint) {
    			_objectClassArray = objectClassArray;
    3rd - in function request():

    Code:
    obj = new _objectClass();
    becomes

    Code:
    obj = new _objectClassArray[range(0, _objectClassArray.length - 1)];
    I'm not good enough in OOP to know how to do this... so please help! Then I can share it with you!

    Thanks!

  2. #2
    Member
    Join Date
    Jul 2009
    Location
    Florianópolis
    Posts
    81
    hey, thanks for answering,

    The objects in the array ware actually Classes.

    i 'm still don't know why this didn't work:

    Code:
    var objClass:Class = _objectClassArray[range(0, _objectClassArray.length)] as Class;
    obj = new objClass();
    but the important thing is that this works:

    Code:
    obj = new _objectClassArray[range(0, _objectClassArray.length - 1)];
    please read my previous post!

    thanks!

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