From f7eac0a34f07767dc04e035f97179cc30935284f Mon Sep 17 00:00:00 2001
From: mob-sakai <sakai861104@gmail.com>
Date: Wed, 28 Oct 2020 12:18:39 +0900
Subject: [PATCH] fix: in rare cases, an IndexOutOfRangeException is thrown

---
 Scripts/UIParticle.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Scripts/UIParticle.cs b/Scripts/UIParticle.cs
index 3cdf3c2..edf24b5 100755
--- a/Scripts/UIParticle.cs
+++ b/Scripts/UIParticle.cs
@@ -256,6 +256,7 @@ protected override void UpdateMaterial()
 
                 // Main
                 var index = i * 2;
+                if (activeMeshIndices.Count <= index) break;
                 if (activeMeshIndices[index] && 0 < s_TempMaterials.Count)
                 {
                     var mat = GetModifiedMaterial(s_TempMaterials[0], ps.GetTextureForSprite());
@@ -266,7 +267,7 @@ protected override void UpdateMaterial()
 
                 // Trails
                 index++;
-                if (materialCount <= j) break;
+                if (activeMeshIndices.Count <= index || materialCount <= j) break;
                 if (activeMeshIndices[index] && 1 < s_TempMaterials.Count)
                 {
                     var mat = GetModifiedMaterial(s_TempMaterials[1], null);