The player's tank and the aspect class
The Target object is a simple sphere object with the mesh render disabled. We have also created a point light and made it a child of our Target object. Make sure that the light is centered, or it will not be very helpful.
Look at the following code in the Target.cs file:
using UnityEngine;
public class Target : MonoBehaviour {
    [SerializeField]
    private float hOffset = 0.2f;
    void Update () {
        int button = 0;
        //Get the point of the hit position when the mouse
        //is being clicked
        if(Input.GetMouseButtonDown(button)) {
            Ray ray = Camera.main.ScreenPointToRay(
        ...
