add some extra assets FX and SFX

Assets/PixPlays/Components/Scripts/VfxAddons/ParticleSystemStartStopLifetime.cs

@@ -0,0 +1,38 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+namespace PixPlays.ElementalVFX
+{
+    [RequireComponent(typeof(ParticleSystem))]
+    public class ParticleSystemStartStopLifetime : MonoBehaviour
+    {
+        [SerializeField] private float _StartLifetime;
+        [SerializeField] private float _StopLifetime;
+        private ParticleSystem _particleSystem;
+        private bool _playedFlag;
+        private void Awake()
+        {
+            _particleSystem = GetComponent<ParticleSystem>();
+        }
+        private void Update()
+        {
+            if (_particleSystem.isEmitting && !_playedFlag)
+            {
+                _playedFlag = true;
+            }
+            if (!_particleSystem.isEmitting && _playedFlag)
+            {
+                ParticleSystem.Particle[] particles = new ParticleSystem.Particle[_particleSystem.particleCount];
+                _particleSystem.GetParticles(particles);
+                for (int i = 0; i < particles.Length; i++)
+                {
+                    float percentage = particles[i].remainingLifetime / particles[i].startLifetime;
+                    particles[i].startLifetime = _StopLifetime;
+                    particles[i].remainingLifetime = _StopLifetime * percentage;
+                }
+                _particleSystem.SetParticles(particles);
+                _playedFlag = false;
+            }
+        }
+    }
+}