Raycasting 2D to get distance from player to an object

Hello! I am trying to get a distance value from an object (an axe) to a player in realtime. I saw a tutorial using 3D where the code looks something like this:

Code (CSharp):

1. private void Update()
2.     {
3.         Vector3 direction = axePosition.transform.position - transform.position;
4.         RaycastHit outInfo;
5.  
6.         bool hit = Physics.Raycast(transform.position, direction, out outInfo);
7.         Debug.DrawRay(transform.position, direction);
8.  
9.         AkSoundEngine.SetRTPCValue("Axe_Distance", outInfo.distance);
10.     }

The last line "AkSoundEngine" is from a middleware that takes a value as an argument, which in this case is the distance between the player and the object.

So what I need is an equivalent way of doing this in 2D. Any ideas?

 

I did use the documentation,and made several attempts to make it work. I ended up with this:
` void Update()
{
Vector2 direction = axePosition.transform.position - transform.position;
int mask = LayerMask.GetMask("Axe");

RaycastHit2D hit = Physics2D.Raycast(transform.position, direction, MaxDist, mask);
Debug.DrawRay(transform.position, direction);

if (hit)
{
AkSoundEngine.SetRTPCValue("Axe_Distance_Whoosh", hit.distance);
}`
I was still unable to get it to work, until I figured out at that the error was because of arguments set for the middleware. The raycasting worked just fine.