ArenaShooter/Assets/Scripts/PlayerShoot.cs

using UnityEngine;

public class PlayerShoot : MonoBehaviour {

    public float damage = 10f;
    public float range = 100f;
    public float fireRate = 2f;
    public bool automatic = false;
    public ParticleSystem particle;
    
    public Camera camera;


    private float nextTimeToFire = 0f;
    private void Update() {
        if (automatic) {
            if (Input.GetButton("Fire1") && Time.time >= nextTimeToFire) {
                shoot();
            }
        }
        else {
            if (Input.GetButtonDown("Fire1") && Time.time >= nextTimeToFire) {
                shoot();
            }
        }
    }

    protected virtual void shoot() {
        particle.Play();
        RaycastHit hit;
        if (Physics.Raycast(camera.transform.position, camera.transform.forward, out hit, range)) {
            Debug.Log(hit.transform.name);
            Target target = hit.transform.GetComponent<Target>();
            if (target != null) {
                target.takeDamage(damage, transform);
            }
            
            nextTimeToFire = Time.time + 1f / fireRate;

        }
    }
}