'The "OnCollisionEnter" function isn't being triggered in one case but is being triggered in another case

I'm making a virtual reality application for the oculus platform with the unity engine & experiencing a problem in the process. For some reason, when i'm holding two objects (a hammer & a nail) with my controllers, between the two of them, the "OnCollisionEnter" function isn't being triggered, even though it's being triggered between any one of them & the target surface. Can someone please help me understand why it's happening? Is there a solution to it?

unity3dvirtual-realityoculus


Solution 1:[1]

First make sure that isTrigger is disabled.

enter image description here

Then add Rigidbody to both objects.

enter image description here

Also be sure to use rigidbody instead of transform to move and change position.

private Rigidbody rb;
private void Start()
{
    rb = GetComponent<Rigidbody>();
}
private void Update()
{
    rb.AddForce("some force vector");
    
    rb.MovePosition("some move vector");
}

Solution 2:[2]

It seems that this is a recurring & unresolved issue related to how VR works with the unity engine.

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1 KiynL
Solution 2 ahiyantra

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