I have problem with getcomponent

Questions & Answers
1

Hi! I want to get target form CameraControl.cs to Player.cs here is my script

CameraControl.cs

using UnityEngine;
using System.Collections;

public class CameraControl : MonoBehaviour {

	RaycastHit hit;
	bool leftClickFlag = true;
	
	public GameObject actor;
	public string floorTag;
	public Vector3 target;

	

	// Update is called once per frame
	void Update () {
		if (Input.GetKey(KeyCode.Mouse0) && leftClickFlag)
			leftClickFlag = false;
		
		if (!Input.GetKey(KeyCode.Mouse0) && !leftClickFlag)
		{
			leftClickFlag = true;
			Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);

			if (Physics.Raycast(ray, out hit, 1500))
			{
				if (hit.transform.tag == floorTag)
				{
					float X = hit.point.x;
					float Z = hit.point.z;
					target = new Vector3(X, actor.transform.position.y, Z);

				}
			}
		}
	}



}

Player.cs

using UnityEngine;
using System.Collections;

public class Player : Character {

	public Vector3 Pos;
	
	private CameraControl CameraControlSc;
	/* ============================== CONTROLS ============================== */
	void Awake ()
	{
		CameraControlSc = GetComponent<CameraControl>();

	}
	
	public void Update () {

		isLeft = false;
		isRight = false;
		isUp = false;
		isDown = false;

		print ("Target is"+CameraControlSc.target);


		UpdateMovement();
		

	}
	
	

	/* ============================== TRIGGER EVENTS ====================================================================== */
	
	void OnTriggerEnter(Collider other)
	{
		// did the player collide with a pickup?
		// pickups and scoring will be added in an upcomming tutorial
		if (other.gameObject.CompareTag("Pickup"))
		{
			if (other.GetComponent<Pickup>())
			{
				other.GetComponent<Pickup>().PickMeUp();
				xa.sc.Pickup(); // tell Scoring.cs that we collected a pickup
			}
		}
	}
	
	
}

After run console say

NullReferenceException: Object reference not set to an instance of an object
Player.Update () (at Assets/Scripts/Player.cs:23)

Please tell me what Did I Do Wrong, thank you

2

That error is telling you that one line 23 CameraControlSc holds a null value.

The only way that this can occur is if on line 12 GetComponent() returns null meaning it was unable to find CameraControl.

When you call GetComponent() without any further quantification it is equivalent to calling this.gameObject.GetComponent() and performs a search on the game object that the script it attached to.

If your CameraControl is on another game object then you should find this other object first:

//assuming the camera in on a game object named "MainCamera"
GameObject cameraObject = GameObject.Find("MainCamera");
CameraControlSc = cameraObject.GetComponent<CameraControl>();