Added more sound effeects. Added audio manager.

AlientAttack.MonoGame/Audio/RateLimiter.cs

@@ -0,0 +1,25 @@
+namespace AlienAttack.MonoGame.Audio;
+
+public sealed class RateLimiter(float cooldownSeconds)
+{
+    private readonly float _cooldownSeconds = cooldownSeconds <= 0 ? 0.0001f : cooldownSeconds;
+    private float _timer = 0f;
+
+    public void Update(float deltaTime)
+    {
+        _timer -= deltaTime;
+
+        if (_timer < 0f)
+            _timer = 0f;
+    }
+
+    public bool TryConsume()
+    {
+        if (_timer > 0f)
+            return false;
+
+        _timer = _cooldownSeconds;
+
+        return true;
+    }
+}