chore: initial commit

Assets/Feel/MMTools/Accessories/MMParticles/MMAutoDestroyParticleSystem.cs

@@ -0,0 +1,74 @@
+using UnityEngine;
+using System.Collections;
+
+namespace MoreMountains.Tools
+{
+	/// <summary>
+	/// Add this class to a ParticleSystem so it auto destroys once it has stopped emitting.
+	/// Make sure your ParticleSystem isn't looping, otherwise this script will be useless
+	/// </summary>
+	[AddComponentMenu("More Mountains/Tools/Particles/MMAutoDestroyParticleSystem")]
+	public class MMAutoDestroyParticleSystem : MonoBehaviour 
+	{
+		/// True if the ParticleSystem should also destroy its parent
+		public bool DestroyParent = false;
+
+		/// If for some reason your particles don't get destroyed automatically at the end of the emission, you can force a destroy after a delay. Leave it at zero otherwise.
+		public float DestroyDelay = 0f;
+		
+		protected ParticleSystem _particleSystem;
+		protected float _startTime;
+		protected bool _started = false;
+		
+		/// <summary>
+		/// Initialization, we get the ParticleSystem component
+		/// </summary>
+		protected virtual void Start()
+		{
+			_started = false;
+			_particleSystem = GetComponent<ParticleSystem>();
+			if (DestroyDelay != 0)
+			{
+				_startTime = Time.time;
+			}
+		}
+		
+		/// <summary>
+		/// When the ParticleSystem stops playing, we destroy it.
+		/// </summary>
+		protected virtual void Update()
+		{	
+			if ( (DestroyDelay != 0) && (Time.time - _startTime > DestroyDelay) )
+			{
+				DestroyParticleSystem();
+			}	
+
+			if (_particleSystem.isPlaying)
+			{
+				_started = true;
+				return;
+			}
+
+			DestroyParticleSystem();
+		}
+
+		/// <summary>
+		/// Destroys the particle system.
+		/// </summary>
+		protected virtual void DestroyParticleSystem()
+		{
+			if (!_started)
+			{
+				return;
+			}
+			if (transform.parent!=null)
+			{
+				if(DestroyParent)
+				{	
+					Destroy(transform.parent.gameObject);	
+				}
+			}					
+			Destroy (gameObject);
+		}
+	}
+}