add particle systems

add vfx graph

Simulation/Assets/Scripts/PlayParticleSystem.cs

@@ -0,0 +1,40 @@
+using UnityEngine;
+
+public class PlayParticleSystem : MonoBehaviour
+{
+    [SerializeField] private ParticleSystem _particleSystem;
+
+    private void Awake()
+    {
+        // useless, use OnValidate or Reset instead
+        ParticleSystem.MainModule main = _particleSystem.main;
+        main.playOnAwake = false;
+    }
+
+    private void Update()
+    {
+        if (Input.GetButtonDown("Fire1"))
+        {
+            _particleSystem.Play();
+        }
+        
+        if (Input.GetButtonDown("Fire2"))
+        {
+            _particleSystem.Emit(100);
+        }
+    }
+
+    private void OnValidate()
+    {
+        if (_particleSystem)
+        {
+            ParticleSystem.MainModule main = _particleSystem.main;
+            main.playOnAwake = false;
+        }
+    }
+
+    private void Reset()
+    {
+        
+    }
+}