From 82f81efd7e4ea06465e24f44f96d9726a1a60cc8 Mon Sep 17 00:00:00 2001
From: mob-sakai <sakai861104@gmail.com>
Date: Thu, 29 Oct 2020 01:36:58 +0900
Subject: [PATCH] fix: compile error in 2018.2

---
 Scripts/UIParticleUpdater.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Scripts/UIParticleUpdater.cs b/Scripts/UIParticleUpdater.cs
index 3b66271b..29075493 100755
--- a/Scripts/UIParticleUpdater.cs
+++ b/Scripts/UIParticleUpdater.cs
@@ -211,9 +211,11 @@ private static void BakeMesh(UIParticle particle)
                     Profiler.EndSample();
                 }
 
+#if UNITY_2018_3_OR_NEWER
                 // #102: Do not bake particle system to mesh when the alpha is zero.
                 if (Mathf.Approximately(particle.canvasRenderer.GetInheritedAlpha(), 0))
                     continue;
+#endif
 
                 // Bake main particles.
                 var r = currentPs.GetComponent<ParticleSystemRenderer>();