feat(Util): Return spawned value for audio and particle system

Author: jcs090218

Assets/JCSUnity/Scripts/Util/JCS_Util.cs

@@ -1337,7 +1337,7 @@ public static float GetLayerWeight(Animator ator, int index)
         /// Same with function `AudioSource.PlayClipAtPoint` with different
         /// default `spatialBlend` value.
         /// </summary>
-        public static void PlayClipAtPoint(
+        public static AudioSource PlayClipAtPoint(
             AudioClip clip,
             Vector3 position,
             float volume,
@@ -1351,6 +1351,7 @@ public static void PlayClipAtPoint(
             audioSource.volume = volume;
             audioSource.Play();
             Object.Destroy(gameObject, clip.length * ((Time.timeScale < 0.01f) ? 0.01f : Time.timeScale));
+            return audioSource;
         }
 
         #endregion
@@ -1360,17 +1361,18 @@ public static void PlayClipAtPoint(
         /// <summary>
         /// Play the particle at point.
         /// </summary>
-        public static void PlayParticleAtPoint(ParticleSystem ps, Vector3 position)
+        public static ParticleSystem PlayParticleAtPoint(ParticleSystem ps, Vector3 position)
         {
-            PlayParticleAtPoint(ps, position, ps.main.duration);
+            return PlayParticleAtPoint(ps, position, ps.main.duration);
         }
-        public static void PlayParticleAtPoint(ParticleSystem ps, Vector3 position, float duration)
+        public static ParticleSystem PlayParticleAtPoint(ParticleSystem ps, Vector3 position, float duration)
         {
             ParticleSystem particleSystem = MonoBehaviour.Instantiate(ps);
             particleSystem.gameObject.name = "One shot particle";
             particleSystem.transform.position = position;
             particleSystem.Play();
             Object.Destroy(particleSystem.gameObject, duration);
+            return particleSystem;
         }
 
         #endregion