Prevent update until child script start completes?

Questions & Answers
1

I have a script A that adds another script B:

function Start () {
    gameObject.AddComponent.<B>();
}

And then makes a general check for activity:

function Update () {
    if (!IsActive()) {
        // Code that says we are done...
    }
}

The problem appears to be that having added B, the Update method of A is called before B has started. As a result, A immediately decides that there is no activity when, in fact, A still needs to wait for B to start and complete.

What is the best way to handle this kind of inter script coordination? Should I add B in a function invoked from A’s Start and call yield?

2

Awake is always called when the script loads, i.e. right after its creation. You set up all references and values there, much like in a constructor. Start is called right before the first Update for that script.

Instead of Start in your scripts, you could consider Awake, if all that needs be done is set up values.