From 60932e92c1d4cdfbdadb522b3325832603eed00f Mon Sep 17 00:00:00 2001
From: mob-sakai <sakai861104@gmail.com>
Date: Mon, 14 Aug 2023 15:42:25 +0900
Subject: [PATCH] fix: nullptr exceptions when using nested UIParticle
 components in hierarchy

close #246
---
 Scripts/UIParticle.cs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/Scripts/UIParticle.cs b/Scripts/UIParticle.cs
index b0a82ee..cf6dbf3 100644
--- a/Scripts/UIParticle.cs
+++ b/Scripts/UIParticle.cs
@@ -286,7 +286,17 @@ namespace Coffee.UIExtensions
 
         public void RefreshParticles(List<ParticleSystem> particles)
         {
-            GetComponentsInChildren(m_Renderers);
+            // #246: Nullptr exceptions when using nested UIParticle components in hierarchy
+            m_Renderers.Clear();
+            foreach (Transform child in transform)
+            {
+                var uiParticleRenderer = child.GetComponent<UIParticleRenderer>();
+
+                if (uiParticleRenderer != null)
+                {
+                    m_Renderers.Add(uiParticleRenderer);
+                }
+            }
 
             var j = 0;
             for (var i = 0; i < particles.Count; i++)