Why are the objects (they are cows) randomly disappearing?

Questions & Answers
1

I added this code to some cows in my game so that they would be destroyed when they collide with the outer boundaries in the game, but now they are randomly disappearing at the start. Anybody know why?
Heres the code:

{
    public GameObject edges1, edges2, edges3, edges4, edges5, edges6, edges7;

    public void OnCollisionEnter(Collision collision)
    {
        if (collision.gameObject == edges1 || edges2 || edges3 || edges4 || edges5 || edges6 || edges7)
        {
            Debug.Log("I am inevitable");
            Destroy(gameObject);
            //add a puff of smoke?

        }
    }
}
2

Your if() statement is incomplete. Each portion is a discrete condition, not a “this or this or this” as you’re trying to use it. In short, yours functions approximately like this:

if(collision.gameObject == edges1 || edges2 exists || edges3 exists || ...)

That said, it should be easier to look at (and effectively the same to process) if you turn the 7 GameObjects into an array:

public GameObject[] edges; // Assign them here or set size/GameObjects in script/etc.

// ...

for(int i = 0; i < edges.Length; i++)
{
	if(collision.gameObject == edges*)*
  • {*
  •  Destroy(gameObject);*

  •  break; // Break out of loop early, since you found a match*
  • }*
    }
3

You need to specify the == for every object.

i.e.

if (collision.gameObject == edges1 || collision.gameObject == edges2 || collision.gameObject == edges3, etc.

Your current code only tests for the first edge object on collision, and the rest of the || queries are just querying whether the assigned gameobjects exist.