Help on interacting with objects

Hello.

I am working on my first unity project and I came across this video guiding me on how to implement raycasts to build an interact system. However I tested the code and it didn't run. There was no errors, it just didn't execute the script.

Please help, I am open to any suggestions as I am fairly new to unity and coding in general.

The code I followed:

Code (CSharp):

1.  
2. using System.Collections.Generic;
3. using UnityEngine;
4. using UnityEngine.UI;
5.  
6. public class interact : MonoBehaviour
7. {
8.     private GameObject raycastedObj;
9.  
10.     [SerializeField] private int rayLength = 10;
11.     [SerializeField] private LayerMask layerMaskInteract;
12.  
13.     [SerializeField] private Image uiCrosshair;
14.  
15.     void update()
16.     {
17.         RaycastHit hit;
18.         Vector3 fwd = transform.TransformDirection(Vector3.forward);
19.        
20.         if (Physics.Raycast(transform.position, fwd, out hit, rayLength, layerMaskInteract.value))
21.         {
22.             if (hit.collider.CompareTag("Object"))
23.             {
24.                 raycastedObj = hit.collider.gameObject;
25.                 CrosshairActive();
26.  
27.                 if (Input.GetKeyDown("f"))
28.                 {
29.                     Debug.Log("I HAVE INTERACTED WITH AN OBJECT");
30.                     raycastedObj.SetActive(false);
31.                 }
32.             }
33.         }
34.         else
35.         {
36.             CrosshairNormal();
37.         }
38.     }
39.     void CrosshairActive()
40.     {
41.         uiCrosshair.color = Color.red;
42.     }
43.  
44.     void CrosshairNormal()
45.     {
46.         uiCrosshair.color = Color.white;
47.     }
48. }
49.  

The video:

 

C# is case sensitive.

Unity's update function is called Update, with a capital U.

 

Wow that was it? Can't believe that slipped by me. Thanks!