Enable Specific Collider when Another is Triggered.

Questions & Answers
1

The scene begins with a single object containing Collider A that is disabled, and Collider B that is enabled as a trigger. I need to enable Collider A when Collider B is triggered. Is there a way to look for a specific collider through scripting?

2

You can attach a script to Collider B that uses OnCollisionEnter(). Make sure to leave a variable in that script for accessing Collider A; either a GameObject or a var depending on C# or Javascript. Then inside of Collider B’s OnCollisionEnter(), have it use a SendMessage() to the referenced object.

You should either first check if the receiving object is null or send your message to not require a receiver:

if(ColliderA != null) {
    ColliderA.SendMessage("ToggleActive");
}

or

ColliderA.SendMessage("ToggleActive", SendMessageOptions.DontRequireReceiver);