Variable change is not persisted in Update Function in Unity3d using Unity Events

Question

I'm using Invoke Unity Events to detect whether a user presses or holds a button. I can see the function firing, and I'm setting respawnHeld to true. Yet Update always logs it as false. I'm completely at a loss here....I can't see what could possibly be setting respawnHeld back to false.

    private bool respawnHeld;

    // Update is called once per frame
    void Update()
    {
        Debug.Log($"In Update Function RespawnHeld is {respawnHeld}");
    }

    public void RespawnInput(InputAction.CallbackContext callbackContext)
    {
        Debug.Log("SETTING RESPAWN HELD TO TRUE");
        respawnHeld = true;
        Debug.Log($"In RespawnInput Function RespawnHeld is {respawnHeld}");
    }

After pressing my key 'R'. I would expect to see logs stating "In Update Function RespawnHeld is True". However the logs I'm getting are as follows:

Any help would be hugely appreciated!

Does this answer your question? A modified variable does not change the value in update() method in Unity5 — CcmU
– CcmU, Commented Apr 23, 2023 at 13:41
Unfortunately not :( This is the only instance of the script in the scene. I've also tried with log collapse on/off with no difference. — MisterZeeba
– MisterZeeba, Commented Apr 23, 2023 at 13:51

MisterZeeba · Accepted Answer · 2023-04-23 14:00:24Z

1

Unfortunately I can't say with certainty what fixed this. But in my case the caller of Respawn Input is a Unity Event (from the input system). I removed the script from my Game Object, then reconfigured all my events and it works now.

answered Apr 23, 2023 at 14:00

MisterZeeba

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