Getting collision info into the update function

Unity Engine
,
1 
void OnCollisionExit2D(Collision2D col)
    {
         if (col.gameObject.CompareTag("Pan"))// && stay== 0)
         {

         }

    }

    void Update()
    {

    }

How would I get the col value from the on collision exit into the update function?

2

You add an attribute to the script where you can store it. You add that above your methods.

void OnCollisionExit2D(Collision2D col)
    {
Collision2d collision;
         if (col.gameObject.CompareTag("Pan"))// && stay== 0)
         {
                 collision = col;
         }
    }
    void Update()
    {
    }

That way, you can access it inside Update. Though if you need the gameobject, not the collision event itself, it’d best be to save the gameobject, not the collision.

1 Like
3

Thank you so much, I was stuck on this for a while and couldn’t find anything on the internet.

4

Oh wait, I made an error, the “Collider2D collider;” needs to be outside the method, not inside. Just in case you didn’t figure that out yourself.

1 Like
5

I figured it out, but thanks for clarifying.

6

@Neomedus Glad you are operational. This might be obvious too, but one handy thing I like to do with this pattern is in Update() when I notice that the collision has been set and take action, it’s handy to also set it back to null, to signal that the Update function has basically “consumed” the event.

1 Like