add random sfx to zombies

Assets/Audio/SFX/zombie1.ogg.meta

@@ -0,0 +1,23 @@
+fileFormatVersion: 2
+guid: f5ad48521bc6e104b91b244b73c17c2b
+AudioImporter:
+  externalObjects: {}
+  serializedVersion: 8
+  defaultSettings:
+    serializedVersion: 2
+    loadType: 0
+    sampleRateSetting: 0
+    sampleRateOverride: 44100
+    compressionFormat: 1
+    quality: 1
+    conversionMode: 0
+    preloadAudioData: 0
+  platformSettingOverrides: {}
+  forceToMono: 0
+  normalize: 1
+  loadInBackground: 0
+  ambisonic: 0
+  3D: 1
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Audio/SFX/zombie2.ogg.meta

@@ -0,0 +1,23 @@
+fileFormatVersion: 2
+guid: 1e52096c131bbbb4f94236be610dbb22
+AudioImporter:
+  externalObjects: {}
+  serializedVersion: 8
+  defaultSettings:
+    serializedVersion: 2
+    loadType: 0
+    sampleRateSetting: 0
+    sampleRateOverride: 44100
+    compressionFormat: 1
+    quality: 1
+    conversionMode: 0
+    preloadAudioData: 0
+  platformSettingOverrides: {}
+  forceToMono: 0
+  normalize: 1
+  loadInBackground: 0
+  ambisonic: 0
+  3D: 1
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Audio/SFX/zombie3.ogg.meta

@@ -0,0 +1,23 @@
+fileFormatVersion: 2
+guid: a6d7ea851c2ca764a829054b971cfe67
+AudioImporter:
+  externalObjects: {}
+  serializedVersion: 8
+  defaultSettings:
+    serializedVersion: 2
+    loadType: 0
+    sampleRateSetting: 0
+    sampleRateOverride: 44100
+    compressionFormat: 1
+    quality: 1
+    conversionMode: 0
+    preloadAudioData: 0
+  platformSettingOverrides: {}
+  forceToMono: 0
+  normalize: 1
+  loadInBackground: 0
+  ambisonic: 0
+  3D: 1
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Audio/SFX/zombie4.ogg.meta

@@ -0,0 +1,23 @@
+fileFormatVersion: 2
+guid: 98cbf8c7e7fb89345a25a8606b4761eb
+AudioImporter:
+  externalObjects: {}
+  serializedVersion: 8
+  defaultSettings:
+    serializedVersion: 2
+    loadType: 0
+    sampleRateSetting: 0
+    sampleRateOverride: 44100
+    compressionFormat: 1
+    quality: 1
+    conversionMode: 0
+    preloadAudioData: 0
+  platformSettingOverrides: {}
+  forceToMono: 0
+  normalize: 1
+  loadInBackground: 0
+  ambisonic: 0
+  3D: 1
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Prefabs/Zombie1.prefab

@@ -1780,6 +1780,7 @@ GameObject:
   - component: {fileID: 2441744333336506289}
   - component: {fileID: 5950679062911607196}
   - component: {fileID: -7112169132516269854}
+  - component: {fileID: 8752207854750903613}
   m_Layer: 0
   m_Name: Zombie1
   m_TagString: Zombie
@@ -1899,6 +1900,108 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 9e6afdd2619c6db4e9c079733c664364, type: 3}
   m_Name: 
   m_EditorClassIdentifier: Assembly-CSharp::ZombieController
+  sfx:
+  - {fileID: 8300000, guid: f5ad48521bc6e104b91b244b73c17c2b, type: 3}
+  - {fileID: 8300000, guid: 1e52096c131bbbb4f94236be610dbb22, type: 3}
+  - {fileID: 8300000, guid: a6d7ea851c2ca764a829054b971cfe67, type: 3}
+  - {fileID: 8300000, guid: 98cbf8c7e7fb89345a25a8606b4761eb, type: 3}
+--- !u!82 &8752207854750903613
+AudioSource:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 4493914613880827488}
+  m_Enabled: 1
+  serializedVersion: 4
+  OutputAudioMixerGroup: {fileID: 0}
+  m_audioClip: {fileID: 0}
+  m_Resource: {fileID: 0}
+  m_PlayOnAwake: 0
+  m_Volume: 1
+  m_Pitch: 1
+  Loop: 0
+  Mute: 0
+  Spatialize: 0
+  SpatializePostEffects: 0
+  Priority: 128
+  DopplerLevel: 1
+  MinDistance: 1
+  MaxDistance: 500
+  Pan2D: 0
+  rolloffMode: 0
+  BypassEffects: 0
+  BypassListenerEffects: 0
+  BypassReverbZones: 0
+  rolloffCustomCurve:
+    serializedVersion: 2
+    m_Curve:
+    - serializedVersion: 3
+      time: 0
+      value: 1
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    - serializedVersion: 3
+      time: 1
+      value: 0
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
+  panLevelCustomCurve:
+    serializedVersion: 2
+    m_Curve:
+    - serializedVersion: 3
+      time: 0
+      value: 0
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
+  spreadCustomCurve:
+    serializedVersion: 2
+    m_Curve:
+    - serializedVersion: 3
+      time: 0
+      value: 0
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
+  reverbZoneMixCustomCurve:
+    serializedVersion: 2
+    m_Curve:
+    - serializedVersion: 3
+      time: 0
+      value: 1
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
 --- !u!1 &4710940672626480558
 GameObject:
   m_ObjectHideFlags: 0

Assets/Scripts/ZombieController.cs

@@ -1,8 +1,8 @@
-using NUnit.Framework;
 using UnityEngine;
 
 [RequireComponent(typeof(Animator))]
 [RequireComponent(typeof(Rigidbody))]
+[RequireComponent(typeof(AudioSource))]
 public class ZombieController : MonoBehaviour
 {
     private static readonly int DieHash = Animator.StringToHash("Die");
@@ -25,8 +25,14 @@ public class ZombieController : MonoBehaviour
     private readonly float attackCooldown = 1f;
     private float lastAttackTime;
 
+    [Header("Sounds")]
+    [SerializeField] private AudioClip[] sfx;
+    [SerializeField] private int sfxDelay = 5; // seconds
+
     private Transform player;
     private Animator animator;
+    private AudioSource audioSource;
+    private float lastSfxPlay;
 
     private bool IsDead() => currentHealth == 0;
 
@@ -35,12 +41,15 @@ public class ZombieController : MonoBehaviour
         currentHealth = maxHealth;
         animator = GetComponent<Animator>();
         player = GameObject.FindGameObjectWithTag("Player").transform;
+        audioSource = GetComponent<AudioSource>();
     }
 
     private void Update()
     {
         if (IsDead()) return;
 
+        PlaySfx();
+
         float distance = Vector3.Distance(transform.position, player.position);
 
         if (distance <= attackDistance)
@@ -64,6 +73,23 @@ public class ZombieController : MonoBehaviour
         }
     }
 
+    private AudioClip PickSfx()
+    {
+        return sfx[UnityEngine.Random.Range(0, sfx.Length)];
+    }
+
+    private void PlaySfx()
+    {
+        if (Time.time - lastSfxPlay <= sfxDelay)
+        {
+            return;
+        }
+
+        var clip = PickSfx();
+        audioSource.PlayOneShot(clip);
+        lastSfxPlay = Time.time;
+    }
+
     private void MoveToPlayer(float speed)
     {
         Vector3 direction = (player.position - transform.position).normalized;