remify minigame CatsRhythmGame

Assets/GUIPackCartoon/Demo/Scripts/BackgroundMusic.cs

@@ -0,0 +1,73 @@
+// Copyright (C) 2015 ricimi - All rights reserved.
+// This code can only be used under the standard Unity Asset Store End User License Agreement.
+// A Copy of the Asset Store EULA is available at http://unity3d.com/company/legal/as_terms.
+
+using System.Collections;
+using UnityEngine;
+
+namespace Ricimi
+{
+    // This class manages the audio source used to play the looping background song
+    // in the demo. The player can choose to mute the music, and this preference is
+    // persisted via Unity's PlayerPrefs.
+    public class BackgroundMusic : MonoBehaviour
+    {
+        public static BackgroundMusic Instance;
+
+        private AudioSource m_audioSource;
+
+        private void Start()
+        {
+            if (Instance != null)
+            {
+                DestroyImmediate(gameObject);
+            }
+            else
+            {
+                DontDestroyOnLoad(gameObject);
+                Instance = this;
+                m_audioSource = GetComponent<AudioSource>();
+                m_audioSource.ignoreListenerVolume = true;
+                m_audioSource.volume = PlayerPrefs.GetInt("music_on");
+                AudioListener.volume = PlayerPrefs.GetInt("sound_on");
+            }
+        }
+
+        public void FadeIn()
+        {
+            if (PlayerPrefs.GetInt("music_on") == 1)
+            {
+                StartCoroutine(FadeAudio(1.0f, Fade.In));
+            }
+        }
+
+        public void FadeOut()
+        {
+            if (PlayerPrefs.GetInt("music_on") == 1)
+            {
+                StartCoroutine(FadeAudio(1.0f, Fade.Out));
+            }
+        }
+
+        private enum Fade
+        {
+            In,
+            Out
+        }
+
+        private IEnumerator FadeAudio(float time, Fade fadeType)
+        {
+            var start = fadeType == Fade.In ? 0.0f : 1.0f;
+            var end = fadeType == Fade.In ? 1.0f : 0.0f;
+            var i = 0.0f;
+            var step = 1.0f / time;
+
+            while (i <= 1.0f)
+            {
+                i += step * Time.deltaTime;
+                m_audioSource.volume = Mathf.Lerp(start, end, i);
+                yield return new WaitForSeconds(step * Time.deltaTime);
+            }
+        }
+    }
+}