Pasted

using UnityEngine;
 public class ObjectPlacementAndDestruction : MonoBehaviour
{
    public GameObject objectPrefab;
     void Update()
    {
        // Place the object at the mouse position when the left mouse button is clicked
        if (Input.GetMouseButtonDown(0))
        {
            Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
            RaycastHit hit;
             if (Physics.Raycast(ray, out hit))
            {
                Vector3 spawnPosition = hit.point;
                Instantiate(objectPrefab, spawnPosition, Quaternion.identity);
            }
        }
         // Destroy the object at the mouse position when the right mouse button is clicked
        if (Input.GetMouseButtonDown(1))
        {
            Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
            RaycastHit hit;
             if (Physics.Raycast(ray, out hit))
            {
                GameObject objectToDestroy = hit.collider.gameObject;
                Destroy(objectToDestroy);
            }
        }
    }
}