Launching Projectiles | 3D | Unity Game Engine

LaunchProjectile.cs

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

public class LaunchProjectile : MonoBehaviour
{
    public Transform launchPoint;
    public GameObject projectile;
    public float launchVelocity = 10f;

    void Update()
    {
        if(Input.GetButtonDown("Fire1"))
        {
            var _projectile = Instantiate(projectile, launchPoint.position, launchPoint.rotation);
            _projectile.GetComponent<Rigidbody>().velocity = launchPoint.up * launchVelocity;
        }
    }
}

Projectile.cs

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

public class Projectile : MonoBehaviour
{
    public float life = 5f;

    void Awake()
    {
        Destroy(gameObject, life);
    }
}