Add an object to Array

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hi i want to know how i can add an gameobject to a Array when the gameObject is created i want to have a command that add the object to a spesific array in another Script file

and if the gameObject is Desroyed remove him from the Array and fix the Array what i mean is if the Array has 5 entrys and entry 3 is Desroyed i want entry 4 to be 3 and 5 to be 4

sorry for my bad spelling :S and im Writing this in JavaScript

Answer 1

Best Answer

Answer by Jason_DB · Mar 19, 2010 at 08:45 PM

You can pretty easily go about adding and subtracting from an array, here's an example

//this is the array you will be modifying, you will need to get a hold of it first if it is in another script var array1 : gameObject[];

// this function will need to have the object that is being added passed in to it.  
function addToArray (obj : gameObject) {
   array1.Add(obj)
}

And as far as subtracting a gameObject goes you could try removing it from the array before you destroy it.

// this function will need to have the object that is being removed passed in to it.
function destroyObject (obj : gameObject) {
    var objectIndex : int;
    // find the index of the object to be deleted (what number it is in the array)
    for (var i : int=0 ;i<array1.length; i++){
        if(array1[1] == obj)
            objectIndex = i;
    }
    //remove the object from the array
    array1.RemoveAt(objectIndex);
    //now destroy it
    Destroy(obj);
}

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gl03 · Jun 01, 2012 at 07:04 PM 0

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should probably be:

if(array1[i] == obj)

aman_jha · Aug 07, 2014 at 08:28 PM 0

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What do you do for C#?

Answer 2

Answer by Waz · Jun 21, 2011 at 11:26 AM

There is no "Add" method on the builtin array type! The above will not compile, even if you do use "GameObject" instead of "gameObject".

However, try this:

 var array1 : GameObject[];
 
 function addToArray (obj : GameObject) {
    array1 += [obj];
 }

Voila! Note that this is less efficient than implementations such as a fixed-maxsize array with an end cursor, but I tend to use it when the adding to the array is not performance-critical (eg. bullet is created), thus making it easy to use these fast builtin arrays, so that the performance critical array-READING code (eg. for every bullet every frame, check for hits).

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Add an object to Array

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