From e82c833d04b819f103984931ba29a3616ef50908 Mon Sep 17 00:00:00 2001
From: mob-sakai <sakai861104@gmail.com>
Date: Thu, 4 Apr 2024 15:59:12 +0900
Subject: [PATCH] fix: if the UIParticle parents do not have Canvas, an
 exception is thrown in OnEnable

close #300
---
 Packages/src/Runtime/UIParticleRenderer.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Packages/src/Runtime/UIParticleRenderer.cs b/Packages/src/Runtime/UIParticleRenderer.cs
index a428b66e..56d60bf6 100644
--- a/Packages/src/Runtime/UIParticleRenderer.cs
+++ b/Packages/src/Runtime/UIParticleRenderer.cs
@@ -514,7 +514,8 @@ private Vector3 GetWorldScale()
             var scale = _parent.scale3DForCalc.GetScaled(_parent.parentScale);
 
             if (_parent.autoScalingMode == UIParticle.AutoScalingMode.UIParticle
-                && _particleSystem.main.scalingMode == ParticleSystemScalingMode.Local)
+                && _particleSystem.main.scalingMode == ParticleSystemScalingMode.Local
+                && _parent.canvas)
             {
                 scale = scale.GetScaled(_parent.canvas.transform.localScale);
             }