Raycast damage script

Doing this in Update may cause excessive impact in the performance, but maybe a more spaced raycasting could solve the problem - something like this (weapon script):

var bullets: int = 100; // ammo count var shotSound: AudioClip; // drag the shot sound here var shotInterval: float = 0.25; // interval between shots var shotRange: float = 100; // range of the shot var shootEnabled: boolean = true; // allows disabling the shots

function Start(){ var trf = transform; // a little optimization while (true){ // loop forever if (shootEnabled && bullets > 0){ // if there are bullets and shooting enabled... var hit: RaycastHit; // do a raycast if (Physics.Raycast(trf.position, trf.forward, hit, shotRange)){ // if the enemy trigger childed to the enemy is hit... if (hit.transform.gameObject.CompareTag("EnemyTrigger")){ audio.PlayOneShot(shotSound); // play the shot sound... hit.transform.SendMessageUpwards("ApplyDamage", 5); // apply damage... bullets--; // and count the shot } } } yield WaitForSeconds(shotInterval); // always wait shotInterval } } You must have a function ApplyDamage(damage: float) in the enemy script, and the "box" you've mentioned must be a trigger volume childed to the enemy.

 using UnityEngine;
 using System.Collections;

 public class AutoShoot : MonoBehaviour
 {
  public float fireRate; // How quick to shoot
  public float damage; // Damage to be applied
  public float shootDistance; // How far to check for a hit
 
  private bool canShoot;
 
  void FixedUpdate ()
  {
  RaycastHit info;
  if(Physics.Raycast(new Ray(transform.position, transform.forward), out info, shootDistance))
  {
  if(canShoot)
  {
  // Do damage stuff here
 
  if(fireRate > 0)
  {
  canShoot = false;
  Invoke("ShootDelay", fireRate); // Delay shooting
  }
  }
  }
  }
 
  private void ShootDelay() 
  {
  canShoot = true; 
  }
 }

Here you go, i think this should work, i havent tested it though :)