yichael_smartbow/Assets/FruitMaster/Scripts/ArrowBehavior.cs

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

public class ArrowBehavior : MonoBehaviour
{
    private static GamingManager _gamingManager;
    private bool bUsePhysics;
    private Vector3 Direction_Kinematic;
    private float Speed_Kinematic;
    private float Lifetime = 0.0f;
    private const float LifetimeLimit = 15f;
    private const float MissShootTime = 3f;

    private bool bHit = false;

    public delegate void MissShoot();
    public event MissShoot OnMissShoot;

    // Start is called before the first frame update
    void Start()
    {
        _gamingManager = GameObject.Find("GameManager").GetComponent<GamingManager>();
    }

    public void Init(float speed, Vector3 dir, bool use_physics)
    {
        bUsePhysics = use_physics;
        Rigidbody rb = gameObject.GetComponent<Rigidbody>();
        if (bUsePhysics)
        {
            rb.useGravity = true;
            rb.isKinematic = false;
            rb.velocity = dir * speed;

        }
        else
        {
            rb.useGravity = false;
            rb.isKinematic = true;
            rb.velocity = Vector3.zero;

            Speed_Kinematic = speed;
            Direction_Kinematic = dir;
        }
    }

    // Update is called once per frame
    void Update()
    {
        if (!_gamingManager.IsGamePaused())
        {
            if (!bUsePhysics)
            {
                gameObject.transform.position = gameObject.transform.position + Direction_Kinematic * Time.deltaTime * Speed_Kinematic;              
            }

            Lifetime += Time.deltaTime;
            if (Lifetime >= MissShootTime)
            {
                if (!bHit)
                {
                    OnMissShoot.Invoke();
                }                
            }
            if (Lifetime > LifetimeLimit)
            {
                Destroy(gameObject);
            }
        }
    }

    public void HitAFruit()
    {
        bHit = true;
    }

    void OnTriggerEnter(Collider other)
    {
        if (other.gameObject.tag == "StaticCollisionScene")
        {
            Rigidbody rb = gameObject.GetComponent<Rigidbody>();
            rb.isKinematic = true; 
            rb.velocity = Vector3.zero;
        }
    }
}