Destroying an agent.

[theModernSurrealist]

Hi there,

Unity 2020.3.15f1 Personal
I have followed your boids tutorial and am using it to control fish in my game. In this game, I wish to destroy a flock agent. However, when this happens, I get this error: MissingReferenceException: The object of type 'FlockAgent' has been destroyed but you are still trying to access it. Your script should either check if it is null or you should not destroy the object. I am destroying it using Destroy(col.transform.gameObject). What can I do to bypass this?

[Ignacio-Mosconi]

Hello, there.
I just happened to view this comment as I was searching for references for my own flocking system.
Anyway, in order to avoid that issue you should probably add a method to the Flock script, which removes a particular agent from the list (and only then destroys it). If you destroy them without removing them from the list of agents, the flock will try to update null references.
I hope it helps.