Griboks

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class DestructibleObject : MonoBehaviour
{
    void OnMouseDown()
    {
        Destroy(gameObject);
    }
}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class AddComponent : MonoBehaviour {

    public GameObject buildingCamera;
    Rigidbody rig;


    void Start()
    {
        buildingCamera = GameObject.FindGameObjectWithTag("MainCamera");
    }


    void Update ()
    {
        BuildingSystem BS = buildingCamera.GetComponent<BuildingSystem>();

        if (BS.IsRemove)
        {
            if (rig == null)
            {
                rig = gameObject.AddComponent<Rigidbody>();
                rig.constraints = RigidbodyConstraints.FreezeAll;
            }
        }

        if (!BS.IsRemove)
        {
            if (rig != null)
                Destroy(rig);
        }               
	}
}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class BuildingHUB : MonoBehaviour {

    public GameObject buildingCamera;

    public GameObject currentPreview;

    BuildingSystem buildingSystem;


    void Start()
    {
        buildingSystem = buildingCamera.GetComponent<BuildingSystem>();
    }


    void Update ()
    {
        currentPreview = buildingSystem.currentpreview.gameObject;

        if (buildingSystem.IsBuilding && Input.GetKeyDown(KeyCode.Delete))
        {
            ToRemove();
        }

        if (buildingSystem.IsRemove && Input.GetKeyDown(KeyCode.Escape))
        {
            RemoveToEscape();
        }
    }


    public void ToRemove()
    {
        buildingSystem.IsRemove = true;
        buildingSystem.IsBuilding = false;
        currentPreview.SetActive(false);
    }


    public void RemoveToEscape()
    {
        buildingSystem.IsRemove = false;
        buildingSystem.IsBuilding = true;
        currentPreview.SetActive(true);
    }
}