Occlusion/Obstruction Script for Unity and Wwise

DrawRay.cs

using System.Collections;
using UnityEngine;

public class DrawRay : MonoBehaviour {

    public Transform target;
    public GameObject listener;

	// Use this for initialization
	void Start () {
		
	}
	
	// Update is called once per frame
	void Update ()
    {

        RaycastHit HitInfo;
        float playerDistance;

        Vector3 raycastDir = target.position - transform.position;
        playerDistance = Vector3.Distance(target.position, transform.position);

        Physics.Raycast(transform.position, raycastDir, out HitInfo, playerDistance);

        if (HitInfo.collider == null)
        {
            AkSoundEngine.SetObjectObstructionAndOcclusion(this.gameObject, listener, 0.0f, 0.0f);
            Debug.DrawRay(transform.position, raycastDir, Color.blue);
        }

        else if (HitInfo.collider.tag == "Wall")
        {
            AkSoundEngine.SetObjectObstructionAndOcclusion(this.gameObject, listener, 0.0f, 100.0f);
            Debug.DrawRay(transform.position, raycastDir, Color.red);
        }
    }
}