Initial commit

js/runtime/music.js

@@ -0,0 +1,32 @@
+let instance;
+
+/**
+ * 统一的音效管理器
+ */
+export default class Music {
+  bgmAudio = wx.createInnerAudioContext();
+  shootAudio = wx.createInnerAudioContext();
+  boomAudio = wx.createInnerAudioContext();
+
+  constructor() {
+    if (instance) return instance;
+
+    instance = this;
+
+    this.bgmAudio.loop = true; // 背景音乐循环播放
+    this.bgmAudio.autoplay = true; // 背景音乐自动播放
+    this.bgmAudio.src = 'audio/bgm.mp3';
+    this.shootAudio.src = 'audio/bullet.mp3';
+    this.boomAudio.src = 'audio/boom.mp3';
+  }
+
+  playShoot() {
+    this.shootAudio.currentTime = 0;
+    this.shootAudio.play();
+  }
+
+  playExplosion() {
+    this.boomAudio.currentTime = 0;
+    this.boomAudio.play();
+  }
+}