chore(release): 3.1.1 [skip ci]

## [3.1.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.1.0...3.1.1) (2020-11-09)

### Bug Fixes

* error on build in Unity 2019.3.11-15 ([68669c7](68669c7396)), closes [#114](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/114)
* null Reference when creating New Scene after Prefab was open in PrefabMode ([22bcecd](22bcecd0ab)), closes [#111](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/111)

CHANGELOG.md

@@ -1,3 +1,11 @@
+## [3.1.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.1.0...3.1.1) (2020-11-09)
+
+
+### Bug Fixes
+
+* error on build in Unity 2019.3.11-15 ([68669c7](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/68669c739676f2354db4913a0e2296ab1715ee1f)), closes [#114](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/114)
+* null Reference when creating New Scene after Prefab was open in PrefabMode ([22bcecd](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/22bcecd0abd6ad651fcf066e5c9efe9a43fd217a)), closes [#111](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/111)
+
 # [3.1.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.0.1...3.1.0) (2020-10-28)
 
 

README.md

@@ -60,7 +60,7 @@ Compares this "Baking mesh" approach with the conventional approach:
 
 ## Demo
 
-* [WebGL Demo](http://mob-sakai.github.io/ParticleEffectForUGUI)
+* [WebGL Demo](https://mob-sakai.github.io/Demos/ParticleEffectForUGUI)
 * [WebGL Demo (Cartoon FX & War FX)](https://mob-sakai.github.io/Demos/ParticleEffectForUGUI_CFX)
   * [Cartoon FX Free][CFX] & [War FX][WFX] (by [Jean Moreno (JMO)][JMO]) with UIParticle
 

Scripts/UIParticle.cs

@@ -1,3 +1,6 @@
+#if UNITY_2019_3_11 || UNITY_2019_3_12 || UNITY_2019_3_13 || UNITY_2019_3_14 || UNITY_2019_3_15 || UNITY_2019_4_OR_NEWER
+#define SERIALIZE_FIELD_MASKABLE
+#endif
 using System.Collections.Generic;
 using System.Runtime.CompilerServices;
 using Coffee.UIParticleExtensions;
@@ -38,7 +41,7 @@ namespace Coffee.UIExtensions
         [Tooltip("Particles")] [SerializeField]
         private List<ParticleSystem> m_Particles = new List<ParticleSystem>();
 
-#if !UNITY_2019_4_OR_NEWER
+#if !SERIALIZE_FIELD_MASKABLE
         [SerializeField]
         private bool m_Maskable = true;
 #endif
@@ -355,7 +358,7 @@ namespace Coffee.UIExtensions
         /// </summary>
         protected override void OnEnable()
         {
-#if !UNITY_2019_4_OR_NEWER
+#if !SERIALIZE_FIELD_MASKABLE
             maskable = m_Maskable;
 #endif
             _cachedPosition = transform.localPosition;
@@ -448,7 +451,7 @@ namespace Coffee.UIExtensions
             SetVerticesDirty();
             m_ShouldRecalculateStencil = true;
             RecalculateClipping();
-#if !UNITY_2019_4_OR_NEWER
+#if !SERIALIZE_FIELD_MASKABLE
             maskable = m_Maskable;
 #endif
         }

Scripts/UIParticleUpdater.cs

@@ -59,7 +59,7 @@ namespace Coffee.UIExtensions
 
         private static void Refresh(UIParticle particle)
         {
-            if (!particle || !particle.canvas || !particle.canvasRenderer) return;
+            if (!particle || !particle.bakedMesh || !particle.canvas || !particle.canvasRenderer) return;
 
             Profiler.BeginSample("[UIParticle] Modify scale");
             ModifyScale(particle);

package.json

@@ -2,7 +2,7 @@
   "name": "com.coffee.ui-particle",
   "displayName": "UI Particle",
   "description": "This plugin provide a component to render particle effect for uGUI.\nThe particle rendering is maskable and sortable, without Camera, RenderTexture or Canvas.",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "unity": "2018.2",
   "license": "MIT",
   "repository": {