Script Error

Unity Engine
1

I was searching for a script that would allow me to rotate my tank’s turret around the Y axis, when i fount this one:

 using UnityEngine;
using System.Collections;
 
public class RotateTurret : MonoBehaviour
{
 
     // speed is the rate at which the object will rotate
     public float speed;
 
     void FixedUpdate ()
     {
         // Generate a plane that intersects the transform's position with an upwards normal.
         Plane playerPlane = new Plane(Vector3.up, transform.position);
 
         // Generate a ray from the cursor position
         Ray ray = Camera.main.ScreenPointToRay (Input.mousePosition);
 
         // Determine the point where the cursor ray intersects the plane.
         // This will be the point that the object must look towards to be looking at the mouse.
         // Raycasting to a Plane object only gives us a distance, so we'll have to take the distance,
         //   then find the point along that ray that meets that distance.  This will be the point
         //   to look at.
         float hitdist = 0.0f;
         // If the ray is parallel to the plane, Raycast will return false.
         if (playerPlane.Raycast (ray, out hitdist))
         {
             // Get the point along the ray that hits the calculated distance.
             Vector3 targetPoint = ray.GetPoint(hitdist);
 
             // Determine the target rotation.  This is the rotation if the transform looks at the target point.
             Quaternion targetRotation = Quaternion.LookRotation(targetPoint - transform.position);
 
             // Smoothly rotate towards the target point.
             transform.rotation = Quaternion.Slerp(transform.rotation, targetRotation, speed * Time.deltaTime);
         }
     }
}

The problem is that it gives the error “Object reference not setup to an instance of an object” in line 16. Could anyone help me? I don’t get what is wrong =|

2

Nevermind, i solved it by myself. Thanks for the support, you guys are the best ‘-’