[유니티C#][기초] 15. 튜토리얼 SurvivalShooter 정리.4

 
2-4 PlayerShooting
 
using UnityEngine;
 
public class PlayerShooting : MonoBehaviour
{
    public int damagePerShot = 20;
    public float timeBetweenBullets = 0.15f;
    public float range = 100f;
 
 
    float timer;
    Ray shootRay = new Ray();
    RaycastHit shootHit;
    int shootableMask;
    ParticleSystem gunParticles;
    LineRenderer gunLine;
    AudioSource gunAudio;
    Light gunLight;
    float effectsDisplayTime = 0.2f;
 
 
    void Awake ()
    {
        shootableMask = LayerMask.GetMask ("Shootable");
        gunParticles = GetComponent<ParticleSystem> ();
        gunLine = GetComponent <LineRenderer> ();
        gunAudio = GetComponent<AudioSource> ();
        gunLight = GetComponent<Light> ();
    }
 
 
    void Update ()
    {
        timer += Time.deltaTime;
 
        //Time.timescale-> 플레이 시간 조정 -> 일시정지 / 슬로우 무션 / 정상속도 / 2배 속도 가능
        if(Input.GetButton ("Fire1") && timer >= timeBetweenBullets && Time.timeScale != 0)
        {
            Shoot ();
        }
 
        if(timer >= timeBetweenBullets * effectsDisplayTime)
        {
            DisableEffects ();
        }
    }
 
 
    public void DisableEffects ()
    {
        gunLine.enabled = false;
        gunLight.enabled = false;
    }
 
 
    void Shoot ()
    {
        timer = 0f;
 
        gunAudio.Play ();
 
        gunLight.enabled = true;
 
        gunParticles.Stop ();
        gunParticles.Play ();
 
        gunLine.enabled = true;
        gunLine.SetPosition (0, transform.position);
 
        shootRay.origin = transform.position;
        shootRay.direction = transform.forward;
 
        if(Physics.Raycast (shootRay, out shootHit, range, shootableMask))
        {
            EnemyHealth enemyHealth = shootHit.collider.GetComponent <EnemyHealth> ();
            if(enemyHealth != null)
            {
                enemyHealth.TakeDamage (damagePerShot, shootHit.point);
            }
            gunLine.SetPosition (1, shootHit.point);
        }
        else
        {
            gunLine.SetPosition (1, shootRay.origin + shootRay.direction * range);
        }
    }
}