조개 사운드

Assets/02_Scripts/Cave/SteeringKeyGrabMusic.cs

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+using System.Collections;
+using UnityEngine;
+using UnityEngine.XR.Interaction.Toolkit;
+using UnityEngine.XR.Interaction.Toolkit.Interactables;
+
+public class SteeringKeyGrabMusic : MonoBehaviour
+{
+    [Header("References")]
+    [SerializeField] private XRGrabInteractable grabInteractable;
+    [SerializeField] private AudioSource audioSource;
+
+    [Header("Playback")]
+    [SerializeField] private bool playOnGrab = true;
+    [SerializeField] private bool stopOnRelease = true;
+
+    [Tooltip("키를 잡았을 때 음악을 처음부터 다시 재생할지 여부입니다.")]
+    [SerializeField] private bool restartFromBeginningOnGrab = false;
+
+    [Header("Fade")]
+    [SerializeField] private bool useFade = true;
+    [SerializeField] private float fadeInDuration = 0.4f;
+    [SerializeField] private float fadeOutDuration = 0.5f;
+
+    [Range(0f, 1f)]
+    [SerializeField] private float targetVolume = 1f;
+
+    [Header("Debug")]
+    [SerializeField] private bool showDebugLog = true;
+
+    private Coroutine fadeRoutine;
+    private bool isGrabbed;
+
+    private void Awake()
+    {
+        if (grabInteractable == null)
+            grabInteractable = GetComponentInChildren<XRGrabInteractable>(true);
+
+        if (audioSource == null)
+            audioSource = GetComponent<AudioSource>();
+
+        if (audioSource != null)
+        {
+            audioSource.playOnAwake = false;
+            audioSource.loop = true;
+
+            if (useFade)
+                audioSource.volume = 0f;
+            else
+                audioSource.volume = targetVolume;
+        }
+    }
+
+    private void OnEnable()
+    {
+        if (grabInteractable != null)
+        {
+            grabInteractable.selectEntered.AddListener(OnKeyGrabbed);
+            grabInteractable.selectExited.AddListener(OnKeyReleased);
+        }
+    }
+
+    private void OnDisable()
+    {
+        if (grabInteractable != null)
+        {
+            grabInteractable.selectEntered.RemoveListener(OnKeyGrabbed);
+            grabInteractable.selectExited.RemoveListener(OnKeyReleased);
+        }
+    }
+
+    private void OnKeyGrabbed(SelectEnterEventArgs args)
+    {
+        isGrabbed = true;
+
+        if (!playOnGrab)
+            return;
+
+        if (audioSource == null)
+        {
+            if (showDebugLog)
+                Debug.LogWarning("[SteeringKeyGrabMusic] AudioSource가 연결되지 않았습니다.", this);
+
+            return;
+        }
+
+        if (restartFromBeginningOnGrab)
+            audioSource.time = 0f;
+
+        if (!audioSource.isPlaying)
+            audioSource.Play();
+
+        if (useFade)
+            StartFade(targetVolume, fadeInDuration);
+        else
+            audioSource.volume = targetVolume;
+
+        if (showDebugLog)
+            Debug.Log("[SteeringKeyGrabMusic] 키 잡음. 음악 재생.", this);
+    }
+
+    private void OnKeyReleased(SelectExitEventArgs args)
+    {
+        isGrabbed = false;
+
+        if (!stopOnRelease)
+            return;
+
+        if (audioSource == null)
+            return;
+
+        if (useFade)
+            StartFade(0f, fadeOutDuration, stopAfterFade: true);
+        else
+            audioSource.Stop();
+
+        if (showDebugLog)
+            Debug.Log("[SteeringKeyGrabMusic] 키 놓음. 음악 정지.", this);
+    }
+
+    private void StartFade(float target, float duration, bool stopAfterFade = false)
+    {
+        if (fadeRoutine != null)
+            StopCoroutine(fadeRoutine);
+
+        fadeRoutine = StartCoroutine(FadeRoutine(target, duration, stopAfterFade));
+    }
+
+    private IEnumerator FadeRoutine(float target, float duration, bool stopAfterFade)
+    {
+        if (audioSource == null)
+            yield break;
+
+        float startVolume = audioSource.volume;
+        float timer = 0f;
+        float safeDuration = Mathf.Max(0.01f, duration);
+
+        while (timer < safeDuration)
+        {
+            timer += Time.deltaTime;
+
+            float t = Mathf.Clamp01(timer / safeDuration);
+            float smoothT = t * t * (3f - 2f * t);
+
+            audioSource.volume = Mathf.Lerp(startVolume, target, smoothT);
+
+            yield return null;
+        }
+
+        audioSource.volume = target;
+
+        if (stopAfterFade && !isGrabbed)
+        {
+            audioSource.Stop();
+        }
+
+        fadeRoutine = null;
+    }
+}