fix: mesh sharing not working

close #236

Scripts/UIParticle.cs

@@ -298,6 +298,11 @@ namespace Coffee.UIExtensions
                 }
             }
 
+            for (var i = 0; i < m_Renderers.Count; i++)
+            {
+                m_Renderers[i].Reset(i);
+            }
+
             var j = 0;
             for (var i = 0; i < particles.Count; i++)
             {
@@ -308,11 +313,6 @@ namespace Coffee.UIExtensions
                     GetRenderer(j++).Set(this, particles[i], true);
                 }
             }
-
-            for (; j < m_Renderers.Count; j++)
-            {
-                GetRenderer(j).Clear(j);
-            }
         }
 
         internal void UpdateTransformScale()
@@ -400,7 +400,7 @@ namespace Coffee.UIExtensions
         {
             _tracker.Clear();
             UIParticleUpdater.Unregister(this);
-            m_Renderers.ForEach(r => r.Clear());
+            m_Renderers.ForEach(r => r.Reset());
             UnregisterDirtyMaterialCallback(UpdateRendererMaterial);
 
             base.OnDisable();

Scripts/UIParticleRenderer.cs

@@ -134,7 +134,7 @@ namespace Coffee.UIExtensions
             return modifiedMaterial;
         }
 
-        public void Clear(int index = -1)
+        public void Reset(int index = -1)
         {
             if (_renderer)
             {