Target.cs

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

public class Target : MonoBehaviour
{
    private Rigidbody targetRb;
    private GameManager gameManager;
    public ParticleSystem explosionParticle;

    private float minSpeed = 12;
    private float maxSpeed = 16;
    private float torqueRange = 10;
    private float xRange = 4;
    private float ySpawnPos = -6;

    [SerializeField] private int pointValue;
    // Start is called before the first frame update
    void Start()
    {
        gameManager = GameObject.Find("GameManager").GetComponent<GameManager>();
        targetRb = GetComponent<Rigidbody>();

        transform.position = RandomSpawnPos();
        targetRb.AddForce(RandomForce(), ForceMode.Impulse);
        targetRb.AddTorque(
            RandomTorque(),
            RandomTorque(),
            RandomTorque(),
            ForceMode.Impulse
            );
    }

    // Update is called once per frame
    void Update()
    {

    }

    private void OnMouseDown()
    {
        Instantiate(explosionParticle, transform.position, explosionParticle.transform.rotation);
        Destroy(gameObject);
        gameManager.UpdateScore(pointValue);
    }

    private void OnTriggerEnter(Collider other)
    {
        if (!gameObject.CompareTag("Bad"))
        {
            gameManager.GameOver();
        }
        Destroy(gameObject);
    }
    private Vector3 RandomForce()
    {
        return Vector3.up * Random.Range(minSpeed, maxSpeed);
    }

    private Vector3 RandomSpawnPos()
    {
        return new Vector3(Random.Range(-xRange, xRange), ySpawnPos);
    }

    private float RandomTorque()
    {
        return Random.Range(-torqueRange, torqueRange);
    }


}