koobas.hobune.stream
I have a script that fires bullets and applies damage just the way I want to, but I am struggling to collect ammo and count it and run out of ammo. This is my script of what I have working so far. Please help.
using UnityEngine; using System.Collections;
public class RaycastShoot : MonoBehaviour {
public int gunDamage = 1;
public float fireRate = .25f;
public float weaponRange = 50f;
public float hitForce = 100f;
public Transform gunEnd;
private Camera fpsCam;
private WaitForSeconds shotDuration = new WaitForSeconds(.07f);
private AudioSource gunAudio;
private LineRenderer laserLine;
private float nextFire;
void Start ()
{
laserLine = GetComponent<LineRenderer>();
gunAudio = GetComponent<AudioSource>();
fpsCam = GetComponentInParent<Camera>();
}
void Update ()
{
if (Input.GetButtonDown ("Fire1") && Time.time > nextFire)
{
nextFire = Time.time + fireRate;
StartCoroutine(ShotEffect());
Vector3 rayOrigin = fpsCam.ViewportToWorldPoint (new Vector3(0.5f, 0.5f, 0));
RaycastHit hit;
laserLine.SetPosition(0, gunEnd.position);
if (Physics.Raycast(rayOrigin, fpsCam.transform.forward, out hit, weaponRange))
{
laserLine.SetPosition(1, hit.point);
EnemyHealth health = hit.collider.GetComponent<EnemyHealth>();
if (health != null)
{
health.TakeDamage(gunDamage);
}
if (hit.rigidbody != null)
{
hit.rigidbody.AddForce(-hit.normal * hitForce);
}
}
else
{
laserLine.SetPosition (1, rayOrigin + (fpsCam.transform.forward * weaponRange));
}
}
}
private IEnumerator ShotEffect ()
{
gunAudio.Play();
laserLine.enabled = true;
yield return shotDuration;
laserLine.enabled = false;
}
}
You just have a numerical value as a variable and make it so that the weapon only fires if it is greater than 0. Than decrement that value whenever the weapon is fired.
e.g:
int ammo = 3;
if (Input.GetButtonDown("Fire1") && Time.Time < nextFire && ammo>0)
{
ammo--;
//*Your weapon firing stuff here*
}
Then to do ammo pickups you
Make another game object
Put a collider on that object
Check the box that says "Is Trigger"
Put a new script on that object call it something like "AmmoPickUp"
Make a public method in your RayCastShoot Class called AmmoPickUp
The function should take in a value called 'amount' and just add it to the ammo variable in that class
Now go back to your AmmoPickUp class and do the following :
{ [SerializeField] int amountPickedUp = 20;
void OnTriggerEnter(collider other)
{
RayCastShoot rcs = GetComponent<RayCastShoot>();
if(rcs != null)
{
rcs.AmmoPickUp(amountPickedUp);
}
}
[SerializeField] Makes it so that a variable is shown in the editor window without having to make it public
Stuff about OnTriggerEnter is available from https://docs.unity3d.com/ScriptReference/Collider.OnTriggerEnter.html
Also, you may want to look at using tags instead of checking if a variable after using a GetComponent is null as I believe trying to get a component that doesn't exist will throw an error anyway. In which case it would have been probably something like:
if (other.tag = "Player") rcs.AmmoPickUp(AmountPickedUp);
Hope this helps
@Pharez Thank you very much, I have gotten most of it working, but I'm sorry I am a little confused with these two instructions:
Make a public method in your RayCastShoot Class called AmmoPickUp
The function should take in a value called 'amount' and just add it to the ammo variable in that class
