Hey Community,
I have a strange problem (guess its just strange for me, and it would be some silly newby mistake).
After I have tested some of my functions i wanted to go on with a new scene.
I attached all my scripts to new gameobjects and prefabs (maybe this is important for my error?).
One of my scripts is responsible for getting details from any gameObject i click on. A typical RaycastHit → and it worked about 2 weeks ago! Not i always get a "
NullReferenceException: Object reference not set to an instance of an object
IdController.Update () (at Assets/IdController.cs:41)" Error
When i comment the EventSystem Line out i get my RaycastHit, but also have the problem about the scanning through GUI.
I really dont know what is wrong.
So here’s the Code. I provide you with the whole thing cause im not sure if the problem really appears in line 41 as mentioned.
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;
public class IdController : MonoBehaviour
{
private GameObject ChosenObject;
public string ChosenObjName;
public GameObject Canvas_PlotDetail;
public Vector3 ChosenObjCoordinates = new Vector3(0, 0, 0);
public Text Text_Plot_Owner = null;
public Text Text_Plot_Buildingtype = null;
private int Plot_Owner = 0;
private int Plot_HouseType = 0;
private int Plot_ForSale = 0;
// Start is called before the first frame update
void Start()
{
Canvas_PlotDetail = GameObject.Find("Canvas_PlotDetail");
Text_Plot_Owner = GameObject.Find("Text_Plot_Owner").GetComponent<Text>();
Text_Plot_Buildingtype = GameObject.Find("Text_Plot_Buildingtype").GetComponent<Text>();
Canvas_PlotDetail.SetActive(false);
}
// Update is called once per frame
void Update()
{
if (Input.GetMouseButtonDown(0))
{
//block raycast if UI is in line
if(EventSystem.current.IsPointerOverGameObject())
{
Debug.Log("Via UI geblockt");
}
//No interface? -> go on
else
{
RaycastHit hit;
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition); //Raycast für identifizierung des angewählten Objektes
if (Physics.Raycast(ray, out hit, 100.0f))
{
ChosenObjName = hit.transform.name;
ChosenObject = GameObject.Find(ChosenObjName);
ChosenObjCoordinates = GameObject.Find(ChosenObjName).transform.position;
Debug.Log("---" + ChosenObjName + "---");
Plot_Owner = ChosenObject.GetComponent<PlotController_ID>().Plot_Owner; //Auslesen des Besitzers von Plot ID Script
Plot_HouseType = ChosenObject.GetComponent<PlotController_ID>().Plot_HouseType; //Auslese des Gebäudetypes
Plot_ForSale = ChosenObject.GetComponent<PlotController_ID>().Plot_ForSale; //Auslese ob zu Verkauf oder nicht
if (Plot_ForSale == 1) //Ausführen falls Grundstück zum Verkauf steht
{
Canvas_PlotDetail.SetActive(true);
}
//Feststellen des Grundstücksbesitzers
switch (Plot_Owner)
{
case (0):
Text_Plot_Owner.text = "Verwaltet durch das Rathaus";
break;
case (1):
Text_Plot_Owner.text = "Das Grundstück gehört Ihnen!";
break;
default:
Text_Plot_Owner.text = "Wir wissen nicht wem dieses Fleckchen Erde gehören soll -> Error!";
break;
}
//Feststellen des Gebäudetyps
switch (Plot_HouseType)
{
case (0):
Text_Plot_Buildingtype.text = "Nur ein Stück Grünland!";
break;
case (1):
Text_Plot_Buildingtype.text = "Hier steht ein Wohnhaus.";
break;
case (2):
Text_Plot_Buildingtype.text = "Hier steht (BEISPIEL) eine Bäckerei.";
break;
default:
Text_Plot_Buildingtype.text = "Unbebaubar. Keine Ahnung was sie an diesem Fleckchen Land interessiert -> ERROR!";
break;
}
}
}
}
}
}
Thanks in advantage o/
