新增 FlowScope Git 包雏形

Packages/com.flowscope.gamecore/Runtime/Audio/AudioHandle.cs

@@ -0,0 +1,25 @@
+using System;
+
+namespace FlowScope.Audio
+{
+    public sealed class AudioHandle : IAudioHandle
+    {
+        private readonly Func<bool> _isPlaying;
+        private readonly Action<float> _stop;
+
+        internal AudioHandle(Func<bool> isPlaying, Action<float> stop)
+        {
+            _isPlaying = isPlaying ?? throw new ArgumentNullException(nameof(isPlaying));
+            _stop = stop ?? throw new ArgumentNullException(nameof(stop));
+        }
+
+        public bool IsPlaying => _isPlaying();
+
+        public void Stop(float fadeOut = 0f)
+        {
+            _stop(fadeOut);
+        }
+
+        internal static AudioHandle Stopped { get; } = new AudioHandle(() => false, _ => { });
+    }
+}