Visual Effect Part 2

        public bool IsVFXAlive
        {
            get { return playing || VFX.aliveParticleCount > 0; }
        }

        void Awake()
        {
            VisualEffectSpawnerCallbacks.OnVFXPlay += OnVFXPlay;
            VisualEffectSpawnerCallbacks.OnVFXStop += OnVFXStop;
            VisualEffectSpawnerCallbacks.OnVFXUpdate += OnVFXUpdate;
        }

        void OnDestroy()
        {
            VisualEffectSpawnerCallbacks.OnVFXPlay -= OnVFXPlay;
            VisualEffectSpawnerCallbacks.OnVFXStop -= OnVFXStop;
            VisualEffectSpawnerCallbacks.OnVFXUpdate -= OnVFXUpdate;
        }

        private void OnVFXPlay(VisualEffect vfxComponent, VFXSpawnerState state, bool isEndSpawner)
        {
            if (vfxComponent.GetInstanceID() != VFX.GetInstanceID())
                return;

            playing = true;
            looping = looping || state.loopState == VFXSpawnerLoopState.Looping;
        }

        private void OnVFXStop(VisualEffect vfxComponent, VFXSpawnerState state, bool isEndSpawner)
        {
            if (vfxComponent.GetInstanceID() == VFX.GetInstanceID() && isEndSpawner)
                playing = false;
        }

        private void OnVFXUpdate(VisualEffect vfxComponent, VFXSpawnerState state, bool isEndSpawner)
        {
            if (vfxComponent.GetInstanceID() != VFX.GetInstanceID())
                return;

            //TODO: do update logic here...
        }