How to simple collisen detection?

Physics
1

In my seen I have Terrine, First person controller and one cube with rigidbody.
I want to learn that how can i hide or destroy cube when First person controller collide with cube.
Thankyou

2

Create a script for your cube.

In it put a function like so (C#):

void OnTriggerEnter (Collider other) 
{		
  print("I was hit by :"+other.name);
  Destroy(this);
}