chore(release): 5.0.0-preview.2 [skip ci]

# [5.0.0-preview.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v5.0.0-preview.1...v5.0.0-preview.2) (2024-06-20) ### Bug Fixes * 'Resource ID out of range in GetResource' error in overlay rendering mode ([ff78b6f](ff78b6fe32)), closes [#308](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/308) * `UIParticle.transform.localScale` does not scale particles ([491ee7b](491ee7b0c3)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313) * despite not using the size module, particles become smaller based on their z position ([c96ddf2](c96ddf293e)), closes [#316](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/316) * the ParticleSystem's localPosition drifts at certain scales due to floating-point precision issues ([a9c2b19](a9c2b19edf)), closes [#299](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/299) [#312](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/312) * UIParticle is scaled by canvas size even when `AutoScalingMode.None` and `ScalingMode.Local` ([63b24d8](63b24d8a8b)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313) * UIParticle is scaled incorrectly with nested canvases ([c95d8c6](c95d8c6b17)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313) ### Features * remove overlay window (editor) ([fc3fbdd](fc3fbdd230)) * reset previous position on start play for world space simulation ([e741584](e741584507)), closes [#303](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/303) * restore `Transform.localScale` when setting `autoScalingMode` to something other than `Transform` ([dfb94f4](dfb94f4bad))
fix: despite not using the size module, particles become smaller based on their z position
2026-05-16 13:10:07 +00:00 · 2024-06-20 15:27:14 +00:00 · 2024-06-20 12:52:21 +09:00 · 2024-06-20 12:52:21 +09:00 · 2024-06-20 12:52:21 +09:00 · 2024-06-20 12:52:21 +09:00
31 changed files with 563 additions and 868 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,115 +1,35 @@
-## [4.10.3](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.2...v4.10.3) (2024-11-20)
+# [5.0.0-preview.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v5.0.0-preview.1...v5.0.0-preview.2) (2024-06-20)
 ### Bug Fixes
-* if not configured as a preloaded asset, the project settings asset will be regenerated ([abe0948](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/abe09485f65dd4efd18e74675e752e0213bdf3be)), closes [#342](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/342)
+* 'Resource ID out of range in GetResource' error in overlay rendering mode ([ff78b6f](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ff78b6fe32ceed8ddad50e63dcb7a202eab95266)), closes [#308](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/308)
-
+* `UIParticle.transform.localScale` does not scale particles ([491ee7b](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/491ee7b0c3e528e1e577ae5ff2588d7c3bd8ecdb)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313)
-## [4.10.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.1...v4.10.2) (2024-11-01)
+* despite not using the size module, particles become smaller based on their z position ([c96ddf2](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c96ddf293e855f7ebccaaaf3b112092955545e61)), closes [#316](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/316)
-
+* the ParticleSystem's localPosition drifts at certain scales due to floating-point precision issues ([a9c2b19](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a9c2b19edf00e1c86c928ef23405906952ede852)), closes [#299](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/299) [#312](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/312)
-
+* UIParticle is scaled by canvas size even when `AutoScalingMode.None` and `ScalingMode.Local` ([63b24d8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/63b24d8a8b478b3165733ece3eec524e88b28855)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313)
-### Bug Fixes
+* UIParticle is scaled incorrectly with nested canvases ([c95d8c6](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c95d8c6b1774396ff252d13121ad32a3cab0fe5c)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313)
 * trail incorrect offset ([afe00a1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/afe00a1dde80eb1c0a7bb668b75f4c3733d3fa43)), closes [#335](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/335)
 ## [4.10.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.0...v4.10.1) (2024-09-29)
 ### Bug Fixes
 * mainTex will be ignored ([2ee69d0](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/2ee69d04245fabce185f67dc9bd68c870e556564))
 # [4.10.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.9.1...v4.10.0) (2024-09-29)
 ### Bug Fixes
 * component icon is not set ([5ff6ec8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/5ff6ec815a174de5d3f16d424f1204c60912a8d8))
 ### Features
-* add project settings ([1ce4e31](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1ce4e31a9681bf1a201d2723c8d97e07ecc16592))
+* remove overlay window (editor) ([fc3fbdd](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/fc3fbdd230595ad3471875ec6fec384a3dad0d17))
 * reset previous position on start play for world space simulation ([e741584](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e7415845074143abae23e3ae7eedc767a01d020d)), closes [#303](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/303)
 * restore `Transform.localScale` when setting `autoScalingMode` to something other than `Transform` ([dfb94f4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/dfb94f4badfb3035a4374579c53293460b4fd946))
-## [4.9.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.9.0...v4.9.1) (2024-08-07)
+# [5.0.0-preview.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.6...v5.0.0-preview.1) (2024-05-23)
 ### Bug Fixes
 * ParticleSystem trails gain offset on parent canvas change ([2a1cd50](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/2a1cd502b452b5b56edf8bcfe91adf99d1bb5147)), closes [#323](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/323)
 # [4.9.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.8.1...v4.9.0) (2024-07-18)
 ### Features
-* ParticleAttractor supports multiple ParticleSystems ([3834780](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/3834780fdb43443fe6e1ef89df54d26a24d62a91))
+* add project settings for UIParticle ([b6e6185](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b6e6185c521fef0f118f61cfdfdac07b87555c01))
-
+* change the default value of `UIParticle.scale` from `10` to `1` ([1b3c0f9](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1b3c0f92dcc6a1974d1ea074821e5264200e9711)), closes [#310](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/310)
-## [4.8.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.8.0...v4.8.1) (2024-06-27)
+* UIParticle no longer inherits from MaskableGraphic ([b6d921b](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b6d921b3e47f749b5028d22b0e89b6eb3a1af7de))
-### Bug Fixes
+### BREAKING CHANGES
-* remove debug code ([669deb4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/669deb41d4ac589d9db93b29bc8e95383e7f28a5))
+* Some members inherited from MaskableGraphic will no longer be available.
 # [4.8.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.7.2...v4.8.0) (2024-06-27)
 ### Bug Fixes
 * generated baking-camera object remains in the prefab or scene (again) ([de35cba](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/de35cba34c6312c1405ed522e9927c620c78e72d))
 * SetParticleSystemInstance/Prefab APIs destroy generated objects ([ae3f3a8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ae3f3a8e62cc733420354d237ab765ac777127c8))
 ### Features
 * add 'custom view' option. ([a703c29](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a703c2921ca08c2280d0c8fde01e4c0b33b5c69e))
 * remove overlay window (editor) ([8358170](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/835817049f4fcf00dd2bf98dbada14f041ad3544))
 * restore `Transform.localScale` when setting `autoScalingMode` to something other than `Transform` (again) ([88a970d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/88a970d93a2b69cf011d86bd1807569e90538e0e))
 * the rendering order list in inspector is now more compact ([be90172](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/be901724e064befacf617f4940b0331e1d31e1ca))
 ## [4.7.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.7.1...v4.7.2) (2024-06-21)
 ### Bug Fixes
 * generated baking-camera object remains in the prefab or scene ([0bb8438](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0bb843830197d8c1252232928becc211c0ada08d))
 ## [4.7.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.7.0...v4.7.1) (2024-06-20)
 ### Bug Fixes
 * despite not using the size module, particles become smaller based on their z position ([a8ed6e6](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a8ed6e68584e1d9e45ed852eefcc03979ea7e0e1)), closes [#316](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/316)
 # [4.7.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.8...v4.7.0) (2024-06-19)
 ### Bug Fixes
 * `UIParticle.transform.localScale` does not scale particles ([1d40e24](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1d40e24c742741e97f03c55468ccb1e505341133)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313)
 * UIParticle is scaled by canvas size even when `AutoScalingMode.None` and `ScalingMode.Local` ([54a4b1c](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/54a4b1cdfd06400c7be89c1ee704bb42a659c7c2)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313)
 * UIParticle is scaled incorrectly with nested canvases ([f26920f](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f26920f9825547222a4afbb31cc5dc5a002c3e9b)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313)
 ### Features
 * reset previous position on start play for world space simulation ([3880484](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/3880484ce5190c42fc79c81d0b69e3fbeda09dd0)), closes [#303](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/303)
 * restore `Transform.localScale` when setting `autoScalingMode` to something other than `Transform` ([5505247](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/5505247a94a929ff89635fde512a9b95691e0043))
 ## [4.6.8](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.7...v4.6.8) (2024-06-14)
 ### Bug Fixes
 * 'Resource ID out of range in GetResource' error in overlay rendering mode ([05286ce](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/05286cedfd17b1a0cb90a5e918513644f47cd831)), closes [#308](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/308)
 ## [4.6.7](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.6...v4.6.7) (2024-05-24)
 ### Bug Fixes
 * the ParticleSystem's localPosition drifts at certain scales due to floating-point precision issues ([e924eb4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e924eb45968a112347471cabaeabc274e4c37ce4)), closes [#299](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/299) [#312](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/312)
 ## [4.6.6](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.5...v4.6.6) (2024-05-23)
--- a/Editor/AnimatablePropertyEditor.cs
+++ b/Editor/AnimatablePropertyEditor.cs
@@ -31,35 +31,35 @@ namespace Coffee.UIExtensions
            }
            else
            {
-                result.Aggregate(s_Sb, (a, b) =>
+                result.Aggregate(s_Sb, (a, b) => s_Sb.AppendFormat("{0}, ", b));
                {
                    s_Sb.Append(b);
                    return s_Sb.Append(", ");
                });
                s_Sb.Length -= 2;
            }
            return s_Sb.ToString();
        }
-        public static void Draw(SerializedProperty sp, List<Material> mats)
+        public static void Draw(SerializedProperty sp, Material[] mats)
        {
-            var pos = EditorGUILayout.GetControlRect(true);
+            bool isClicked;
-            var label = new GUIContent(sp.displayName, sp.tooltip);
+            using (new EditorGUILayout.HorizontalScope(GUILayout.ExpandWidth(false)))
-            var rect = EditorGUI.PrefixLabel(pos, label);
+            {
-            var text = sp.hasMultipleDifferentValues
+                var pos = EditorGUILayout.GetControlRect(true);
-                ? "-"
+                var label = new GUIContent(sp.displayName, sp.tooltip);
-                : CollectActiveNames(sp, s_ActiveNames);
+                var rect = EditorGUI.PrefixLabel(pos, label);
                var text = sp.hasMultipleDifferentValues
                    ? "-"
                    : CollectActiveNames(sp, s_ActiveNames);
                isClicked = GUI.Button(rect, text, EditorStyles.popup);
            }
-            if (!GUI.Button(rect, text, EditorStyles.popup)) return;
+            if (!isClicked) return;
            var gm = new GenericMenu();
-            gm.AddItem(s_ContentNothing, s_ActiveNames.Count == 0, x =>
+            gm.AddItem(s_ContentNothing, s_ActiveNames.Count == 0, () =>
            {
-                var current = (SerializedProperty)x;
+                sp.ClearArray();
-                current.ClearArray();
+                sp.serializedObject.ApplyModifiedProperties();
-                current.serializedObject.ApplyModifiedProperties();
+            });
            }, sp);
            if (!sp.hasMultipleDifferentValues)
            {
@@ -73,7 +73,7 @@ namespace Coffee.UIExtensions
            }
            s_Names.Clear();
-            for (var j = 0; j < mats.Count; j++)
+            for (var j = 0; j < mats.Length; j++)
            {
                var mat = mats[j];
                if (!mat || !mat.shader) continue;
@@ -82,7 +82,8 @@ namespace Coffee.UIExtensions
                {
                    var name = ShaderUtil.GetPropertyName(mat.shader, i);
                    var type = (AnimatableProperty.ShaderPropertyType)ShaderUtil.GetPropertyType(mat.shader, i);
-                    if (!s_Names.Add(name)) continue;
+                    if (s_Names.Contains(name)) continue;
                    s_Names.Add(name);
                    AddMenu(gm, sp, new ShaderProperty(name, type), true);
--- a/Editor/Internal.meta
+++ b/Editor/Internal.meta
@@ -0,0 +1,8 @@
 fileFormatVersion: 2
 guid: 3e440931f761e4e888510a4e6045287a
 folderAsset: yes
 DefaultImporter:
  externalObjects: {}
  userData: 
  assetBundleName: 
  assetBundleVariant: 
--- a/Editor/UIParticleEditor.cs
+++ b/Editor/UIParticleEditor.cs
@@ -2,19 +2,19 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text.RegularExpressions;
 using UnityEditor;
 using UnityEditor.UI;
 using UnityEditorInternal;
 using UnityEngine;
 using UnityEngine.Profiling;
 using UnityEngine.UI;
-using Coffee.UIParticleInternal;
+
 #if UNITY_2021_2_OR_NEWER
 using UnityEditor.Overlays;
 #else
 using System;
 using System.Reflection;
 using Coffee.UIParticleInternal;
 using Object = UnityEngine.Object;
 #endif
 #if UNITY_2021_2_OR_NEWER
 using UnityEditor.SceneManagement;
@@ -26,26 +26,19 @@ namespace Coffee.UIExtensions
 {
    [CustomEditor(typeof(UIParticle))]
    [CanEditMultipleObjects]
-    internal class UIParticleEditor : GraphicEditor
+    internal class UIParticleEditor : Editor
    {
        //################################
        // Constant or Static Members.
        //################################
        private static readonly GUIContent[] s_ContentMaterials = new[]
        {
            new GUIContent("Material"),
            new GUIContent("Trail Material")
        };
        private static readonly GUIContent s_ContentRenderingOrder = new GUIContent("Rendering Order");
        private static readonly GUIContent s_ContentRefresh = new GUIContent("Refresh");
        private static readonly GUIContent s_ContentFix = new GUIContent("Fix");
        private static readonly GUIContent s_ContentMaterial = new GUIContent("Material");
        private static readonly GUIContent s_ContentTrailMaterial = new GUIContent("Trail Material");
        private static readonly GUIContent s_Content3D = new GUIContent("3D");
        private static readonly GUIContent s_ContentRandom = new GUIContent("Random");
        private static readonly GUIContent s_ContentScale = new GUIContent("Scale");
        private static readonly GUIContent s_ContentPrimary = new GUIContent("Primary");
        private static readonly Regex s_RegexBuiltInGuid = new Regex(@"^0{16}.0{15}$", RegexOptions.Compiled);
        private static readonly List<Material> s_TempMaterials = new List<Material>();
        private static bool s_XYZMode;
        private SerializedProperty _maskable;
@@ -56,8 +49,6 @@ namespace Coffee.UIExtensions
        private SerializedProperty _groupMaxId;
        private SerializedProperty _positionMode;
        private SerializedProperty _autoScalingMode;
        private SerializedProperty _useCustomView;
        private SerializedProperty _customViewSize;
        private ReorderableList _ro;
        private bool _showMax;
@@ -81,10 +72,8 @@ namespace Coffee.UIExtensions
        /// <summary>
        /// This function is called when the object becomes enabled and active.
        /// </summary>
-        protected override void OnEnable()
+        private void OnEnable()
        {
            base.OnEnable();
            _maskable = serializedObject.FindProperty("m_Maskable");
            _scale3D = serializedObject.FindProperty("m_Scale3D");
            _animatableProperties = serializedObject.FindProperty("m_AnimatableProperties");
@@ -93,43 +82,31 @@ namespace Coffee.UIExtensions
            _groupMaxId = serializedObject.FindProperty("m_GroupMaxId");
            _positionMode = serializedObject.FindProperty("m_PositionMode");
            _autoScalingMode = serializedObject.FindProperty("m_AutoScalingMode");
            _useCustomView = serializedObject.FindProperty("m_UseCustomView");
            _customViewSize = serializedObject.FindProperty("m_CustomViewSize");
            var sp = serializedObject.FindProperty("m_Particles");
            _ro = new ReorderableList(sp.serializedObject, sp, true, true, true, true)
            {
-                elementHeightCallback = index =>
+                elementHeight = EditorGUIUtility.singleLineHeight * 3 + 4,
-                {
+                elementHeightCallback = _ => 3 * (EditorGUIUtility.singleLineHeight + 2),
                    var ps = sp.GetArrayElementAtIndex(index).objectReferenceValue as ParticleSystem;
                    var materialCount = 0;
                    if (ps && ps.TryGetComponent<ParticleSystemRenderer>(out var psr))
                    {
                        materialCount = psr.sharedMaterials.Length;
                    }
                    return (materialCount + 1) * (EditorGUIUtility.singleLineHeight + 2);
                },
                drawElementCallback = (rect, index, _, __) =>
                {
-                    rect.y += 2;
+                    EditorGUI.BeginDisabledGroup(sp.hasMultipleDifferentValues);
                    rect.y += 1;
                    rect.height = EditorGUIUtility.singleLineHeight;
                    var p = sp.GetArrayElementAtIndex(index);
                    EditorGUI.ObjectField(rect, p, GUIContent.none);
                    var ps = p.objectReferenceValue as ParticleSystem;
                    if (!ps || !ps.TryGetComponent<ParticleSystemRenderer>(out var psr)) return;
                    rect.x += 15;
                    rect.width -= 15;
-                    var materials = new SerializedObject(psr).FindProperty("m_Materials");
+                    var ps = p.objectReferenceValue as ParticleSystem;
-                    var count = Mathf.Min(materials.arraySize, 2);
+                    var materials = ps
-                    for (var i = 0; i < count; i++)
+                        ? new SerializedObject(ps.GetComponent<ParticleSystemRenderer>()).FindProperty("m_Materials")
-                    {
+                        : null;
-                        rect.y += rect.height + 2;
+                    rect.y += rect.height + 1;
-                        EditorGUI.PropertyField(rect, materials.GetArrayElementAtIndex(i), s_ContentMaterials[i]);
+                    MaterialField(rect, s_ContentMaterial, materials, 0);
-                    }
+                    rect.y += rect.height + 1;
-
+                    MaterialField(rect, s_ContentTrailMaterial, materials, 1);
-                    if (materials.serializedObject.hasModifiedProperties)
+                    EditorGUI.EndDisabledGroup();
                    if (materials != null && materials.serializedObject.hasModifiedProperties)
                    {
                        materials.serializedObject.ApplyModifiedProperties();
                    }
@@ -165,6 +142,20 @@ namespace Coffee.UIExtensions
            }
        }
        private static void MaterialField(Rect rect, GUIContent label, SerializedProperty sp, int index)
        {
            if (sp == null || sp.arraySize <= index)
            {
                EditorGUI.BeginDisabledGroup(true);
                EditorGUI.ObjectField(rect, label, null, typeof(Material), true);
                EditorGUI.EndDisabledGroup();
            }
            else
            {
                EditorGUI.PropertyField(rect, sp.GetArrayElementAtIndex(index), label);
            }
        }
        /// <summary>
        /// Implement this function to make a custom inspector.
        /// </summary>
@@ -173,7 +164,6 @@ namespace Coffee.UIExtensions
            var current = target as UIParticle;
            if (!current) return;
            Profiler.BeginSample("(UIP:E) OnInspectorGUI");
            serializedObject.Update();
            // Maskable
@@ -185,8 +175,13 @@ namespace Coffee.UIExtensions
            EditorGUI.EndDisabledGroup();
            // AnimatableProperties
-            current.GetMaterials(s_TempMaterials);
+            var mats = current.particles
-            AnimatablePropertyEditor.Draw(_animatableProperties, s_TempMaterials);
+                .Where(x => x)
                .Select(x => x.GetComponent<ParticleSystemRenderer>().sharedMaterial)
                .Where(x => x)
                .ToArray();
            AnimatablePropertyEditor.Draw(_animatableProperties, mats);
            // Mesh sharing
            EditorGUI.BeginChangeCheck();
@@ -194,12 +189,9 @@ namespace Coffee.UIExtensions
            if (EditorGUI.EndChangeCheck())
            {
                serializedObject.ApplyModifiedProperties();
-                foreach (var t in targets)
+                foreach (var uip in targets.OfType<UIParticle>())
                {
-                    if (t is UIParticle uip)
+                    uip.ResetGroupId();
                    {
                        uip.ResetGroupId();
                    }
                }
            }
@@ -207,29 +199,16 @@ namespace Coffee.UIExtensions
            EditorGUILayout.PropertyField(_positionMode);
            // Auto Scaling
-            EditorGUILayout.PropertyField(_autoScalingMode);
+            DrawAutoScaling(_autoScalingMode, targets.OfType<UIParticle>());
            // Custom View Size
            EditorGUILayout.PropertyField(_useCustomView);
            EditorGUI.BeginChangeCheck();
            EditorGUI.BeginDisabledGroup(!_useCustomView.boolValue);
            EditorGUI.indentLevel++;
            EditorGUILayout.PropertyField(_customViewSize);
            EditorGUI.indentLevel--;
            EditorGUI.EndDisabledGroup();
            if (EditorGUI.EndChangeCheck())
            {
                _customViewSize.floatValue = Mathf.Max(0.1f, _customViewSize.floatValue);
            }
            // Target ParticleSystems.
            EditorGUI.BeginChangeCheck();
            EditorGUI.BeginDisabledGroup(targets.OfType<UIParticle>().Any(x => !x.canvas));
            _ro.DoLayoutList();
            EditorGUI.EndDisabledGroup();
            serializedObject.ApplyModifiedProperties();
            if (EditorGUI.EndChangeCheck())
            {
                EditorApplication.QueuePlayerLoopUpdate();
                foreach (var uip in targets.OfType<UIParticle>())
                {
                    uip.RefreshParticles(uip.particles);
@@ -237,8 +216,7 @@ namespace Coffee.UIExtensions
            }
            // Non-UI built-in shader is not supported.
-            Profiler.BeginSample("(UIP:E) Non-UI built-in shader is not supported.");
+            foreach (var mat in current.materials)
            foreach (var mat in s_TempMaterials)
            {
                if (!mat || !mat.shader) continue;
                var shader = mat.shader;
@@ -251,18 +229,15 @@ namespace Coffee.UIExtensions
                }
            }
            Profiler.EndSample();
            // Does the shader support UI masks?
            Profiler.BeginSample("(UIP:E) Does the shader support UI masks?");
            if (current.maskable && current.GetComponentInParent<Mask>(false))
            {
-                foreach (var mat in s_TempMaterials)
+                foreach (var mat in current.materials)
                {
                    if (!mat || !mat.shader) continue;
                    var shader = mat.shader;
-                    if (!s_Shaders.Add(shader)) continue;
+                    if (s_Shaders.Contains(shader)) continue;
-
+                    s_Shaders.Add(shader);
                    foreach (var propName in s_MaskablePropertyNames)
                    {
                        if (mat.HasProperty(propName)) continue;
@@ -276,9 +251,7 @@ namespace Coffee.UIExtensions
                }
            }
            s_TempMaterials.Clear();
            s_Shaders.Clear();
            Profiler.EndSample();
            // UIParticle for trail should be removed.
            var label = "This UIParticle component should be removed. The UIParticle for trails is no longer needed.";
@@ -317,14 +290,12 @@ namespace Coffee.UIExtensions
                }
            }
 #endif
            Profiler.EndSample();
        }
-        private static bool IsBuiltInObject(Object obj)
+        private bool IsBuiltInObject(Object obj)
        {
-            return AssetDatabase.IsMainAsset(obj)
+            return AssetDatabase.TryGetGUIDAndLocalFileIdentifier(obj, out var guid, out long _)
-                   && AssetDatabase.TryGetGUIDAndLocalFileIdentifier(obj, out var guid, out long _)
+                   && Regex.IsMatch(guid, "^0{16}.0{15}$", RegexOptions.Compiled);
                   && s_RegexBuiltInGuid.IsMatch(guid);
        }
 #if UNITY_2018 || UNITY_2019
@@ -418,7 +389,7 @@ namespace Coffee.UIExtensions
            {
                EditorGUI.BeginDisabledGroup(true);
                var obj = UIParticleUpdater.GetPrimary(spGroupId.intValue);
-                EditorGUILayout.ObjectField(s_ContentPrimary, obj, typeof(UIParticle), false);
+                EditorGUILayout.ObjectField("Primary", obj, typeof(UIParticle), false);
                EditorGUI.EndDisabledGroup();
            }
@@ -428,7 +399,7 @@ namespace Coffee.UIExtensions
            return showMax;
        }
-        private static void DrawAutoScaling(SerializedProperty prop)
+        private static void DrawAutoScaling(SerializedProperty prop, IEnumerable<UIParticle> uiParticles)
        {
            EditorGUILayout.PropertyField(prop);
        }
@@ -437,9 +408,7 @@ namespace Coffee.UIExtensions
        {
            if (!p || (ignoreCurrent && target == p)) return;
            var cr = p.canvasRenderer;
            DestroyImmediate(p);
            DestroyImmediate(cr);
 #if UNITY_2018_3_OR_NEWER
            var stage = PrefabStageUtility.GetCurrentPrefabStage();
--- a/README.md
+++ b/README.md
@@ -1,85 +1,61 @@
-# <img alt="UIParticleIcon" src="https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/d76e105e-a840-4f61-a1f6-8cf311c0812d" width="26"/> Particle Effect For UGUI (UI Particle) <!-- omit in toc -->
+# <img alt="UIParticleIcon" src="https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/d76e105e-a840-4f61-a1f6-8cf311c0812d" width="26"/> Particle Effect For UGUI (UI Particle)
 This package provides a component to render particle effects for uGUI in Unity 2018.2 or later.  
 The particle rendering is maskable and sortable, without the need for an extra Camera, RenderTexture, or Canvas.
 [![](https://img.shields.io/npm/v/com.coffee.ui-particle?label=openupm&registry_uri=https://package.openupm.com)](https://openupm.com/packages/com.coffee.ui-particle/)
-[![](https://img.shields.io/github/v/release/mob-sakai/ParticleEffectForUGUI)](https://github.com/mob-sakai/ParticleEffectForUGUI/releases)
+[![](https://img.shields.io/github/v/release/mob-sakai/ParticleEffectForUGUI?include_prereleases)](https://github.com/mob-sakai/ParticleEffectForUGUI/releases)
-[![](https://img.shields.io/github/license/mob-sakai/ParticleEffectForUGUI.svg)](https://github.com/mob-sakai/ParticleEffectForUGUI/blob/main/LICENSE.md)  
+[![](https://img.shields.io/github/license/mob-sakai/ParticleEffectForUGUI.svg)](https://github.com/mob-sakai/ParticleEffectForUGUI/blob/main/LICENSE.txt)  
 ![](https://img.shields.io/badge/Unity-2018.2+-57b9d3.svg?style=flat&logo=unity)
 ![](https://img.shields.io/badge/uGUI_2.0_Ready-57b9d3.svg?style=flat)
 ![](https://img.shields.io/badge/UPR%2FHDPR_Ready-57b9d3.svg?style=flat)  
 ![](https://github.com/mob-sakai/ParticleEffectForUGUI/actions/workflows/test.yml/badge.svg?branch=develop)
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-orange.svg)](http://makeapullrequest.com)
 [![](https://img.shields.io/github/watchers/mob-sakai/ParticleEffectForUGUI.svg?style=social&label=Watch)](https://github.com/mob-sakai/ParticleEffectForUGUI/subscription)
 [![](https://img.shields.io/twitter/follow/mob_sakai.svg?label=Follow&style=social)](https://twitter.com/intent/follow?screen_name=mob_sakai)
-<< [📝 Description](#-description-) | [📌 Key Features](#-key-features) | [🎮 Demo](#-demo) | [⚙ Installation](#-installation) | [🚀 Usage](#-usage) | [🛠 Development Note](#-development-note) | [🤝 Contributing](#-contributing) >>
+<< [📝 Description](#-description) | [🎮 Demo](#-demo) | [⚙ Installation](#-installation) | [🚀 Usage](#-usage) | [🛠 Development Note](#-development-note) | [🤝 Contributing](#-contributing) >>
 ## 📝 Description <!-- omit in toc -->
 ![](https://user-images.githubusercontent.com/12690315/41771577-8da4b968-7650-11e8-9524-cd162c422d9d.gif)
 This package uses the new APIs `MeshBake/MeshTrailBake` (introduced in Unity 2018.2) to render particles through `CanvasRenderer`.  
 You can render, mask, and sort your `ParticleSystems` for UI without the need for an additional `Camera`, `RenderTexture`, or `Canvas`.
 - [📌 Key Features](#-key-features)
 - [🎮 Demo](#-demo)
 - [⚙ Installation](#-installation)
    - [Install via OpenUPM](#install-via-openupm)
    - [Install via UPM (with Package Manager UI)](#install-via-upm-with-package-manager-ui)
    - [Install via UPM (Manually)](#install-via-upm-manually)
    - [Install as Embedded Package](#install-as-embedded-package)
 - [🚀 Usage](#-usage)
  - [Component: UIParticle](#component-uiparticle)
  - [Basic Usage](#basic-usage)
  - [Usage with Your Existing ParticleSystem Prefab](#usage-with-your-existing-particlesystem-prefab)
  - [Usage with `Mask` or `RectMask2D` Component](#usage-with-mask-or-rectmask2d-component)
  - [Usage with Script](#usage-with-script)
  - [Component: UIParticleAttractor](#component-uiparticleattractor)
  - [Project Settings](#project-settings)
 - [🛠 Development Note](#-development-note)
  - [Compares the Baking mesh approach with the conventional approach](#compares-the-baking-mesh-approach-with-the-conventional-approach)
    - [Performance test results](#performance-test-results)
  - [🔍 FAQ: Why Are My UIParticles Not Displayed Correctly?](#-faq-why-are-my-uiparticles-not-displayed-correctly)
  - [Shader Limitation](#shader-limitation)
    - [Built-in shaders are not supported](#built-in-shaders-are-not-supported)
    - [(Unity 2018 or 2019) UV.zw components will be discarded](#unity-2018-or-2019-uvzw-components-will-be-discarded)
    - [(Unity 2018 or 2019) Custom vertex streams](#unity-2018-or-2019-custom-vertex-streams)
  - [Overheads](#overheads)
  - [How to Make a Custom Shader to Support `Mask` and `RectMask2D` Component](#how-to-make-a-custom-shader-to-support-mask-and-rectmask2d-component)
 - [🤝 Contributing](#-contributing)
  - [Issues](#issues)
  - [Pull Requests](#pull-requests)
  - [Support](#support)
 - [License](#license)
 - [Author](#author)
 - [See Also](#see-also)
 <br><br>
-## 📌 Key Features
+## 📝 Description
-* **Easy to use:** The package is ready to use out of the box.
+![](https://user-images.githubusercontent.com/12690315/41771577-8da4b968-7650-11e8-9524-cd162c422d9d.gif)
-* **Sortable:** Sort particle effects and other UI elements by sibling index.
+
-* **Maskable:** Supports `Mask` or `RectMask2D`.
+This package utilizes the new APIs `MeshBake/MashTrailBake` (introduced with Unity 2018.2) to render particles through
-* **No extra components required:** No need for an additional `Camera`, `RenderTexture`, or `Canvas`.
+CanvasRenderer.  
-* **Trail module support:** Fully supports the Trail module.
+You can render, mask, and sort your ParticleSystems for UI without the necessity of an additional Camera, RenderTexture,
-* **CanvasGroup alpha support:** Integrates with `CanvasGroup` alpha.
+or Canvas.
-* **No allocations:** Efficiently renders particles without allocations.
+
-* **Any canvas render mode support:** Works with overlay, camera space, and world space.
+### Features
-* **Any Render pipeline support:** Compatible with Universal Render Pipeline (URP) and High Definition Render Pipeline (HDRP).
+
-* **Disabling domain reload support:** Supports disabling `Enter Play Mode Options > Reload Domain`.
+* Easy to use: The package is ready to use out of the box.
-* **Animatable material properties:** Supports changing material properties with AnimationClip (AnimatableProperty).  
+* Sort particle effects and other UI by sibling index.
-  ![AnimatableProperty.gif](https://user-images.githubusercontent.com/12690315/53286323-2d94a980-37b0-11e9-8afb-c4a207805ff2.gif)
+* No extra Camera, RenderTexture, or Canvas required.
-* **Multiple materials:** Supports 8+ materials.
+* Masking options for Mask or RectMask2D.
-* **Correct positioning:** Adjusts world space particle positions correctly when changing window size for standalone platforms (Windows, MacOSX, and Linux).
+* Support for the Trail module.
-* **Adaptive scaling:** Provides adaptive scaling for UI (AutoScalingMode).
+* Support for CanvasGroup alpha.
-* **Performance optimization:** Mesh sharing group to improve performance.  
+* No allocations needed to render particles.
-  <img alt="MeshSharing.gif" src="https://user-images.githubusercontent.com/12690315/174311048-c882df81-6c34-4eba-b0aa-5645457692f1.gif" width="450"/>
+* Compatibility with overlay, camera space, and world space.
-* **Particle attractor:** Includes a particle attractor component.  
+* Support for Universal Render Pipeline (URP) and High Definition Render Pipeline (HDRP).
-  <img alt="ParticleAttractor.gif" src="https://user-images.githubusercontent.com/12690315/174311027-462929a4-13f0-4ec4-86ea-9c832f2eecf1.gif" width="450"/>
+* Support for disabling `Enter Play Mode Options > Reload Domain`.
-* **Emission position mode:** Supports relative/absolute particle emission position modes.  
+* Support for changing material property with AnimationClip (AnimatableProperty).  
-  <img alt="AbsolutePosition.gif" src="https://user-images.githubusercontent.com/12690315/175751579-5a2357e8-2ecf-4afd-83c8-66e9771bde39.gif" width="450"/>
+  ![AnimatableProperty.gif][AnimatableProperty.gif]
-* **Custom view size:** Fixes min/max particle size mismatch.  
+* [4.0.0+] Support for 8+ materials.
-  ![CustomViewSize.gif](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/dd929959-1a37-420b-b13d-e849022b9c9d)
+* [4.0.0+] Correct world space particle position adjustment when changing window size for standalone platforms (Windows,
  MacOSX, and Linux).
 * [4.0.0+] Adaptive scaling for UI.
 * [4.0.0+] Mesh sharing group to improve performance.  
  ![MeshSharing.gif][MeshSharing.gif]
 * [4.0.0+] Particle attractor component.  
  ![ParticleAttractor.gif][ParticleAttractor.gif]
 * [4.1.0+] Relative/Absolute particle position mode.  
  ![AbsolutePosition.gif][AbsolutePosition.gif]
 [AnimatableProperty.gif]: https://user-images.githubusercontent.com/12690315/53286323-2d94a980-37b0-11e9-8afb-c4a207805ff2.gif
 [MeshSharing.gif]: https://user-images.githubusercontent.com/12690315/174311048-c882df81-6c34-4eba-b0aa-5645457692f1.gif
 [ParticleAttractor.gif]: https://user-images.githubusercontent.com/12690315/174311027-462929a4-13f0-4ec4-86ea-9c832f2eecf1.gif
 [AbsolutePosition.gif]: https://user-images.githubusercontent.com/12690315/175751579-5a2357e8-2ecf-4afd-83c8-66e9771bde39.gif
 <br><br>
@@ -100,86 +76,76 @@ You can render, mask, and sort your `ParticleSystems` for UI without the need fo
 [JMO]: https://assetstore.unity.com/publishers/1669
 <br><br>
 ## ⚙ Installation
-_This package requires **Unity 2018.3 or later**._
+_This package requires Unity 2018.3 or later._
 #### Install via OpenUPM
- This package is available on [OpenUPM](https://openupm.com) package registry.
+This package is available on [OpenUPM](https://openupm.com) package registry.
- This is the preferred method of installation, as you can easily receive updates as they're released.
+This is the preferred method of installation, as you can easily receive updates as they're released.
 - If you have [openupm-cli](https://github.com/openupm/openupm-cli) installed, then run the following command in your project's directory:
  ```
  openupm add com.coffee.ui-particle
  ```
 - To update the package, use Package Manager UI (`Window > Package Manager`) or run the following command with `@{version}`:
  ```
  openupm add com.coffee.ui-particle@4.9.0
  ```
-#### Install via UPM (with Package Manager UI)
+If you have [openupm-cli](https://github.com/openupm/openupm-cli) installed, then run the following command in your
 project's directory:
- Click `Window > Package Manager` to open Package Manager UI.
+```sh
- Click `+ > Add package from git URL...` and input the repository URL: `https://github.com/mob-sakai/ParticleEffectForUGUI.git`  
+openupm add com.coffee.ui-particle
-  ![](https://github.com/user-attachments/assets/f88f47ad-c606-44bd-9e86-ee3f72eac548)
+```
 - To update the package, change suffix `#{version}` to the target version.
  - e.g. `https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.9.0`
-#### Install via UPM (Manually)
+#### Install via UPM (using Git URL)
- Open the `Packages/manifest.json` file in your project. Then add this package somewhere in the `dependencies` block:
+Navigate to your project's Packages folder and open the `manifest.json` file. Then add this package somewhere in
-  ```json
+the `dependencies` block:
-  {
+
-    "dependencies": {
+```json
-      "com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git",
+{
-      ...
+  "dependencies": {
-    }
+    "com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git",
    ...
  }
-  ```
+}
 ```
- To update the package, change suffix `#{version}` to the target version.
+To update the package, change suffix `#{version}` to the target version.
  - e.g. `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.9.0",`
-#### Install as Embedded Package
+* e.g. `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.6.0",`
-1. Download a source code zip file from [Releases](https://github.com/mob-sakai/ParticleEffectForUGUI.git/releases) and extract it.
+Or, use [UpmGitExtension](https://github.com/mob-sakai/UpmGitExtension) to install and update the package.
-2. Place it in your project's `Packages` directory.  
+
-   ![](https://github.com/mob-sakai/mob-sakai/assets/12690315/0b7484b4-5fca-43b0-a9ef-e5dbd99bcdb4)
+<br><br>
- If you want to fix bugs or add features, install it as an embedded package.
+
- To update the package, you need to re-download it and replace the contents.
+## ⚙ Upgrading from 3.x/4.x to 5.x
 ### Breaking Changes
 - The default value of `UIParticle.scale` has been changed from `10` to `1`.
 - `UIParticle` no longer inherits from `MaskableGraphic`.
 - 
 <br><br>
 ## 🚀 Usage
-### Component: UIParticle
+### UIParticle Component
 `UIParticle` controls the ParticleSystems that are attached to its own game objects and child game objects.
-![](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/1cf5753b-33fc-4cef-91c3-413c515a954f)
+![](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/3559df45-63e7-4c4c-9233-f455779efa29)
- **Maskable**: Does this graphic allow maskable.
+- **Maskable**: Does this graphic allow masking.
- **Scale**: Scale the rendering particles. When the `3D` toggle is enabled, 3D scale (x, y, z) is supported.
+- **Scale**: Scale the rendering. When the `3D` toggle is enabled, 3D scale (x, y, z) is supported.
 - **Animatable Properties**: If you want to update material properties (e.g., `_MainTex_ST`, `_Color`) in AnimationClip,
-  use this to mark as animatable.
+  use this to mark the changes.
 - **Mesh Sharing**: Particle simulation results are shared within the same group. A large number of the same effects can
  be displayed with a small load. When the `Random` toggle is enabled, it will be grouped randomly.
  - **None:** Disable mesh sharing.
  - **Auto:** Automatically select Primary/Replica.
  - **Primary:** Provides particle simulation results to the same group.
  - **Primary Simulator:** Primary, but do not render the particle (simulation only).
  - **Replica:** Render simulation results provided by the primary.
 - **Position Mode**: Emission position mode.
-  - **Absolute:** The particles will be emitted from the world position.
+    - **Absolute:** Emit from the world position of the `ParticleSystem`.
-  - **Relative:** The particles will be emitted from the scaled position.
+    - **Relative:** Emit from the scaled position of the `ParticleSystem`.
- **Auto Scaling Mode**: How to automatically adjust when the Canvas scale is changed by the screen size or reference resolution.
+- **Auto Scaling**: `Transform.lossyScale` (=world scale) will be set to `(1, 1, 1)` on update. It prevents the
-  - **None:** Do nothing.
+  root-Canvas scale from affecting the hierarchy-scaled `ParticleSystem`.
  - **Transform:** Transform.lossyScale (=world scale) will be set to (1, 1, 1).
  - **UIParticle:** UIParticle.scale will be adjusted.
 - **Use Custom View:** Use this if the particles are not displayed correctly due to min/max particle size.
  - **Custom view size:** Change the bake view size.
 - **Rendering Order**: The ParticleSystem list to be rendered. You can change the order and the materials.
 **NOTE:** Press the `Refresh` button to reconstruct the rendering order based on children ParticleSystem's sorting order
@@ -187,7 +153,7 @@ and z-position.
 <br><br>
-### Basic Usage
+#### Basic Usage
 1. Select `GameObject/UI/ParticleSystem` to create UIParticle with a ParticleSystem.
   ![particle](https://user-images.githubusercontent.com/12690315/95007361-cad0e880-0649-11eb-8835-f145d62c5977.png)
@@ -196,7 +162,7 @@ and z-position.
 <br>
-### Usage with Your Existing ParticleSystem Prefab
+#### With Your Existing ParticleSystem Prefab
 1. Select `GameObject/UI/ParticleSystem (Empty)` to create UIParticle.
   ![empty](https://user-images.githubusercontent.com/12690315/95007362-cb697f00-0649-11eb-8a09-29b0a13791e4.png)
@@ -205,7 +171,7 @@ and z-position.
 <br>
-### Usage with `Mask` or `RectMask2D` Component
+#### With `Mask` or `RectMask2D` Component
 If you want to mask particles, set a stencil-supported shader (such as `UI/UIAdditive`) to the material for
 ParticleSystem.
@@ -217,7 +183,7 @@ section.
 <br><br>
-### Usage with Script
+### Script usage
 ```cs
 // Instantiate ParticleSystem prefab with UIParticle on runtime.
@@ -236,14 +202,14 @@ uiParticle.Stop();
 <br><br>
-### Component: UIParticleAttractor
+### UIParticleAttractor component
 `UIParticleAttractor` attracts particles generated by the specified ParticleSystem.
-![](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/5c20ad73-4b9a-4f38-9cdc-119df5cce077)
+![](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/ea6ae0ed-f9a8-437c-8baa-47526303391e)  
 ![](https://user-images.githubusercontent.com/12690315/174311027-462929a4-13f0-4ec4-86ea-9c832f2eecf1.gif)
- **Particle Systems**: Attracts particles generated by the specified ParticleSystems.
+- **Particle System**: Attracts particles generated by the specified particle system.
 - **Destination Radius**: Once the particle is within the radius, the particle lifetime will become 0, and `OnAttracted`
  will be called.
 - **Delay Rate**: Delay to start attracting. It is a percentage of the particle's start lifetime.
@@ -257,14 +223,6 @@ uiParticle.Stop();
 <br><br>
 ### Project Settings
 ![](https://github.com/user-attachments/assets/befc7f34-fb47-4006-831a-eba79fda11ca)
 - Click `Edit > Project Settings` to open the Project Settings window and then select `UI > UI Particle` category.
 <br><br>
 ## 🛠 Development Note
 ### Compares the Baking mesh approach with the conventional approach
@@ -396,7 +354,7 @@ When improving performance, keep the following in mind:
    - Consider a single material, atlasing the sprites, and using `Sprite` mode in the `Texture Sheet Animation` module
      in the ParticleSystem.
-### How to Make a Custom Shader to Support `Mask` and `RectMask2D` Component
+### How to Make a Custom Shader to Support Mask/RectMask2D Component
 <details>
 <summary>Shader tips</summary>
--- a/Runtime/Internal/Extensions/ComponentExtensions.cs
+++ b/Runtime/Internal/Extensions/ComponentExtensions.cs
@@ -50,7 +50,7 @@ namespace Coffee.UIParticleInternal
            var childCount = tr.childCount;
            for (var i = 0; i < childCount; i++)
            {
-                tr.GetChild(i).GetComponentsInChildren_Internal(results, depth - 1);
+                tr.GetChild(i).GetComponentsInChildren(results, depth - 1);
            }
        }
@@ -134,35 +134,6 @@ namespace Coffee.UIParticleInternal
            Profiler.EndSample();
        }
        /// <summary>
        /// Add a component of a specific type to the children of a GameObject.
        /// </summary>
        public static void AddComponentOnChildren<T>(this Component self, bool includeSelf)
            where T : Component
        {
            if (self == null) return;
            Profiler.BeginSample("(COF)[ComponentExt] AddComponentOnChildren > Self");
            if (includeSelf && !self.TryGetComponent<T>(out _))
            {
                self.gameObject.AddComponent<T>();
            }
            Profiler.EndSample();
            Profiler.BeginSample("(COF)[ComponentExt] AddComponentOnChildren > Child");
            var childCount = self.transform.childCount;
            for (var i = 0; i < childCount; i++)
            {
                var child = self.transform.GetChild(i);
                if (child.TryGetComponent<T>(out _)) continue;
                child.gameObject.AddComponent<T>();
            }
            Profiler.EndSample();
        }
 #if !UNITY_2021_2_OR_NEWER && !UNITY_2020_3_45 && !UNITY_2020_3_46 && !UNITY_2020_3_47 && !UNITY_2020_3_48
        public static T GetComponentInParent<T>(this Component self, bool includeInactive) where T : Component
        {
--- a/Runtime/Internal/Extensions/ListExtensions.cs
+++ b/Runtime/Internal/Extensions/ListExtensions.cs
@@ -0,0 +1,19 @@
 using System.Collections.Generic;
 namespace Coffee.UIParticleInternal
 {
    /// <summary>
    /// Extension methods for Component class.
    /// </summary>
    internal static class ListExtensions
    {
        public static void RemoveAtFast<T>(this List<T> self, int index)
        {
            if (self == null) return;
            var lastIndex = self.Count - 1;
            self[index] = self[lastIndex];
            self.RemoveAt(lastIndex);
        }
    }
 }
--- a/Runtime/Internal/Extensions/ListExtensions.cs.meta
+++ b/Runtime/Internal/Extensions/ListExtensions.cs.meta
@@ -0,0 +1,11 @@
 fileFormatVersion: 2
 guid: 833553390099d40c9b212823f0852c46
 MonoImporter:
  externalObjects: {}
  serializedVersion: 2
  defaultReferences: []
  executionOrder: 0
  icon: {instanceID: 0}
  userData: 
  assetBundleName: 
  assetBundleVariant: 
--- a/Runtime/Internal/Extensions/Misc.cs
+++ b/Runtime/Internal/Extensions/Misc.cs
@@ -6,15 +6,6 @@ namespace Coffee.UIParticleInternal
 {
    internal static class Misc
    {
        public static T[] FindObjectsOfType<T>() where T : Object
        {
 #if UNITY_2023_1_OR_NEWER
            return Object.FindObjectsByType<T>(FindObjectsInactive.Include, FindObjectsSortMode.None);
 #else
            return Object.FindObjectsOfType<T>();
 #endif
        }
        public static void Destroy(Object obj)
        {
            if (!obj) return;
--- a/Runtime/Internal/Extensions/Misc.cs.meta
+++ b/Runtime/Internal/Extensions/Misc.cs.meta
@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 182319ecc315e4858b119764af0fbcb0
+guid: 39ed6a6b0a72e482488bd298b2ae762e
 MonoImporter:
  externalObjects: {}
  serializedVersion: 2
--- a/Runtime/Internal/ProjectSettings/PreloadedProjectSettings.cs
+++ b/Runtime/Internal/ProjectSettings/PreloadedProjectSettings.cs
@@ -1,9 +1,9 @@
 using System;
 using System.Linq;
 using System.Reflection;
 using UnityEngine;
 using Object = UnityEngine.Object;
 #if UNITY_EDITOR
 using System.IO;
 using UnityEditor;
 using UnityEditor.Build;
 using UnityEditor.Build.Reporting;
@@ -13,51 +13,41 @@ namespace Coffee.UIParticleInternal
 {
    public abstract class PreloadedProjectSettings : ScriptableObject
 #if UNITY_EDITOR
        , IPreprocessBuildWithReport
    {
-        private class Postprocessor : AssetPostprocessor
+        int IOrderedCallback.callbackOrder => 0;
        void IPreprocessBuildWithReport.OnPreprocessBuild(BuildReport report)
        {
-            private static void OnPostprocessAllAssets(string[] _, string[] __, string[] ___, string[] ____)
+            Initialize();
            {
                Initialize();
            }
        }
        private class PreprocessBuildWithReport : IPreprocessBuildWithReport
        {
            int IOrderedCallback.callbackOrder => 0;
            void IPreprocessBuildWithReport.OnPreprocessBuild(BuildReport report)
            {
                Initialize();
            }
        }
        [InitializeOnLoadMethod]
        [InitializeOnEnterPlayMode]
        private static void Initialize()
        {
            const BindingFlags flags = BindingFlags.Public | BindingFlags.Static | BindingFlags.FlattenHierarchy;
            foreach (var t in TypeCache.GetTypesDerivedFrom(typeof(PreloadedProjectSettings<>)))
            {
                var defaultSettings = GetDefaultSettings(t);
                if (!defaultSettings)
                {
-                    // When create a new instance, automatically set it as default settings.
+                    defaultSettings = t.GetProperty("instance", flags)
-                    defaultSettings = CreateInstance(t) as PreloadedProjectSettings;
+                        ?.GetValue(null, null) as PreloadedProjectSettings;
                    SetDefaultSettings(defaultSettings);
                }
                else if (GetPreloadedSettings(t).Length != 1)
                {
                    SetDefaultSettings(defaultSettings);
                }
                if (defaultSettings)
                {
                    defaultSettings.OnInitialize();
                }
            }
            EditorApplication.QueuePlayerLoopUpdate();
        }
        protected static string GetDefaultName(Type type, bool nicify)
        {
-            var typeName = type.Name;
+            var typeName = type.Name.Replace("ProjectSettings", "");
            return nicify
                ? ObjectNames.NicifyVariableName(typeName)
                : typeName;
@@ -81,8 +71,6 @@ namespace Coffee.UIParticleInternal
        protected static void SetDefaultSettings(PreloadedProjectSettings asset)
        {
            if (!asset) return;
            var type = asset.GetType();
            if (string.IsNullOrEmpty(AssetDatabase.GetAssetPath(asset)))
            {
@@ -93,11 +81,7 @@ namespace Coffee.UIParticleInternal
                var assetPath = $"Assets/ProjectSettings/{GetDefaultName(type, false)}.asset";
                assetPath = AssetDatabase.GenerateUniqueAssetPath(assetPath);
-                if (!File.Exists(assetPath))
+                AssetDatabase.CreateAsset(asset, assetPath);
                {
                    AssetDatabase.CreateAsset(asset, assetPath);
                    asset.OnCreateAsset();
                }
            }
            var preloadedAssets = PlayerSettings.GetPreloadedAssets();
@@ -111,20 +95,13 @@ namespace Coffee.UIParticleInternal
            AssetDatabase.Refresh();
        }
        protected virtual void OnCreateAsset()
        {
        }
        protected virtual void OnInitialize()
        {
        }
    }
 #else
    {
    }
 #endif
    public abstract class PreloadedProjectSettings<T> : PreloadedProjectSettings
        where T : PreloadedProjectSettings<T>
    {
--- a/Runtime/Internal/Utilities/FastAction.cs
+++ b/Runtime/Internal/Utilities/FastAction.cs
@@ -20,7 +20,6 @@ namespace Coffee.UIParticleInternal
        /// </summary>
        public void Add(T rhs)
        {
            if (rhs == null) return;
            Profiler.BeginSample("(COF)[FastAction] Add Action");
            var node = s_NodePool.Rent();
            node.Value = rhs;
@@ -33,7 +32,6 @@ namespace Coffee.UIParticleInternal
        /// </summary>
        public void Remove(T rhs)
        {
            if (rhs == null) return;
            Profiler.BeginSample("(COF)[FastAction] Remove Action");
            var node = _delegates.Find(rhs);
            if (node != null)
@@ -65,11 +63,6 @@ namespace Coffee.UIParticleInternal
                node = node.Next;
            }
        }
        public void Clear()
        {
            _delegates.Clear();
        }
    }
    /// <summary>
--- a/Runtime/Internal/Utilities/FrameCache.cs
+++ b/Runtime/Internal/Utilities/FrameCache.cs
@@ -46,6 +46,7 @@ namespace Coffee.UIParticleInternal
            GetFrameCache<T>().Set((key1.GetHashCode(), key2.GetHashCode()), result);
        }
        /// <summary>
        /// Sets a value in the frame cache with a specified key.
        /// </summary>
--- a/Runtime/Internal/Utilities/Logging.cs
+++ b/Runtime/Internal/Utilities/Logging.cs
@@ -5,6 +5,7 @@ using Object = UnityEngine.Object;
 #if ENABLE_COFFEE_LOGGER
 using System.Reflection;
 using System.Collections.Generic;
 #else
 using Conditional = System.Diagnostics.ConditionalAttribute;
 #endif
@@ -42,6 +43,7 @@ namespace Coffee.UIParticleInternal
 #endif
        }
 #if !ENABLE_COFFEE_LOGGER
        [Conditional(k_DisableSymbol)]
 #endif
@@ -51,6 +53,7 @@ namespace Coffee.UIParticleInternal
            Log_Internal(LogType.Log, tag, message, context ? context : tag as Object);
        }
 #if !ENABLE_COFFEE_LOGGER
        [Conditional(k_DisableSymbol)]
 #endif
@@ -59,6 +62,7 @@ namespace Coffee.UIParticleInternal
            Log_Internal(LogType.Log, tag, message, context ? context : tag as Object);
        }
 #if !ENABLE_COFFEE_LOGGER
        [Conditional(k_DisableSymbol)]
 #endif
@@ -76,6 +80,7 @@ namespace Coffee.UIParticleInternal
 #endif
        }
 #if !ENABLE_COFFEE_LOGGER
        [Conditional(k_DisableSymbol)]
 #endif
@@ -119,6 +124,7 @@ namespace Coffee.UIParticleInternal
 #endif
        }
 #if !ENABLE_COFFEE_LOGGER
        [Conditional(k_DisableSymbol)]
 #endif
@@ -135,9 +141,6 @@ namespace Coffee.UIParticleInternal
                switch (tag)
                {
                    case string name:
                        sb.Append(name);
                        break;
                    case Type type:
                        AppendType(sb, type);
                        break;
@@ -164,6 +167,7 @@ namespace Coffee.UIParticleInternal
 #endif
        }
 #if !ENABLE_COFFEE_LOGGER
        [Conditional(k_DisableSymbol)]
 #endif
@@ -202,6 +206,7 @@ namespace Coffee.UIParticleInternal
 #endif
        }
 #if !ENABLE_COFFEE_LOGGER
        [Conditional(k_DisableSymbol)]
 #endif
--- a/Runtime/Internal/Utilities/MaterialRepository.cs
+++ b/Runtime/Internal/Utilities/MaterialRepository.cs
@@ -55,6 +55,7 @@ namespace Coffee.UIParticleInternal
            Profiler.EndSample();
        }
        /// <summary>
        /// Adds or retrieves a cached material based on the hash.
        /// </summary>
--- a/Runtime/Internal/Utilities/ObjectRepository.cs
+++ b/Runtime/Internal/Utilities/ObjectRepository.cs
@@ -8,11 +8,10 @@ namespace Coffee.UIParticleInternal
 {
    internal class ObjectRepository<T> where T : Object
    {
-        private readonly Dictionary<Hash128, Entry> _cache = new Dictionary<Hash128, Entry>(8);
+        private readonly List<Entry> _cache = new List<Entry>();
        private readonly Dictionary<int, Hash128> _objectKey = new Dictionary<int, Hash128>(8);
        private readonly string _name;
        private readonly Action<T> _onRelease;
-        private readonly Stack<Entry> _pool = new Stack<Entry>(8);
+        private readonly Stack<Entry> _pool = new Stack<Entry>();
        public ObjectRepository(Action<T> onRelease = null)
        {
@@ -37,33 +36,40 @@ namespace Coffee.UIParticleInternal
            {
                _onRelease = onRelease;
            }
            for (var i = 0; i < 8; i++)
            {
                _pool.Push(new Entry());
            }
        }
        public int count => _cache.Count;
        public void Clear()
        {
-            foreach (var kv in _cache)
+            for (var i = 0; i < _cache.Count; i++)
            {
-                var entry = kv.Value;
+                var entry = _cache[i];
                if (entry == null) continue;
                entry.Release(_onRelease);
                _pool.Push(entry);
            }
            _cache.Clear();
            _objectKey.Clear();
        }
        public bool Valid(Hash128 hash, T obj)
        {
-            return _cache.TryGetValue(hash, out var entry) && entry.storedObject == obj;
+            // Find existing entry.
            Profiler.BeginSample("(COF)[ObjectRepository] Valid > Find existing entry");
            for (var i = 0; i < _cache.Count; ++i)
            {
                var entry = _cache[i];
                if (entry.hash != hash) continue;
                Profiler.EndSample();
                // Existing entry found.
                return entry.storedObject == obj;
            }
            Profiler.EndSample();
            return false;
        }
        /// <summary>
@@ -71,69 +77,82 @@ namespace Coffee.UIParticleInternal
        /// </summary>
        public void Get(Hash128 hash, ref T obj, Func<T> onCreate)
        {
-            if (GetFromCache(hash, ref obj)) return;
+            // Find existing entry.
-            Add(hash, ref obj, onCreate());
+            Profiler.BeginSample("(COF)[ObjectRepository] Get > Find existing entry");
            for (var i = 0; i < _cache.Count; ++i)
            {
                var entry = _cache[i];
                if (entry.hash != hash) continue;
                // Existing entry found.
                if (entry.storedObject != obj)
                {
                    // if the object is different, release the old one.
                    Release(ref obj);
                    ++entry.reference;
                    obj = entry.storedObject;
                    Logging.Log(_name, $"Get(#{count}): {entry}");
                }
                Profiler.EndSample();
                return;
            }
            Profiler.EndSample();
            // Create new entry.
            Profiler.BeginSample("(COF)[ObjectRepository] Get > Create new entry");
            var newEntry = 0 < _pool.Count ? _pool.Pop() : new Entry();
            newEntry.storedObject = onCreate();
            newEntry.hash = hash;
            newEntry.reference = 1;
            _cache.Add(newEntry);
            Logging.Log(_name, $"Get(#{count}): {newEntry}");
            Release(ref obj);
            obj = newEntry.storedObject;
            Profiler.EndSample();
        }
        /// <summary>
        /// Adds or retrieves a cached object based on the hash.
        /// </summary>
        public void Get<TS>(Hash128 hash, ref T obj, Func<TS, T> onCreate, TS source)
        {
            if (GetFromCache(hash, ref obj)) return;
            Add(hash, ref obj, onCreate(source));
        }
        private bool GetFromCache(Hash128 hash, ref T obj)
        {
            // Find existing entry.
-            Profiler.BeginSample("(COF)[ObjectRepository] GetFromCache");
+            Profiler.BeginSample("(COF)[ObjectRepository] Get > Find existing entry");
-            if (_cache.TryGetValue(hash, out var entry))
+            for (var i = 0; i < _cache.Count; ++i)
            {
-                if (!entry.storedObject)
+                var entry = _cache[i];
-                {
+                if (entry.hash != hash) continue;
                    Release(ref entry.storedObject);
                    Profiler.EndSample();
                    return false;
                }
                // Existing entry found.
                if (entry.storedObject != obj)
                {
                    // if the object is different, release the old one.
                    Release(ref obj);
                    ++entry.reference;
                    obj = entry.storedObject;
-                    Logging.Log(_name, $"Get(total#{count}): {entry}");
+                    Logging.Log(_name, $"Get(#{count}): {entry}");
                }
                Profiler.EndSample();
                return true;
            }
            Profiler.EndSample();
            return false;
        }
        private void Add(Hash128 hash, ref T obj, T newObject)
        {
            if (!newObject)
            {
                Release(ref obj);
                obj = newObject;
                return;
            }
-            // Create and add a new entry.
+            Profiler.EndSample();
-            Profiler.BeginSample("(COF)[ObjectRepository] Add");
+
            // Create new entry.
            Profiler.BeginSample("(COF)[ObjectRepository] Get > Create new entry");
            var newEntry = 0 < _pool.Count ? _pool.Pop() : new Entry();
-            newEntry.storedObject = newObject;
+            newEntry.storedObject = onCreate(source);
            newEntry.hash = hash;
            newEntry.reference = 1;
-            _cache[hash] = newEntry;
+            _cache.Add(newEntry);
-            _objectKey[newObject.GetInstanceID()] = hash;
+            Logging.Log(_name, $"Get(#{count}): {newEntry}");
-            Logging.Log(_name, $"<color=#03c700>Add</color>(total#{count}): {newEntry}");
+
            Release(ref obj);
-            obj = newObject;
+            obj = newEntry.storedObject;
            Profiler.EndSample();
        }
@@ -144,45 +163,35 @@ namespace Coffee.UIParticleInternal
        {
            if (ReferenceEquals(obj, null)) return;
            // Find and release the entry.
            Profiler.BeginSample("(COF)[ObjectRepository] Release");
-            var id = obj.GetInstanceID();
+            for (var i = 0; i < _cache.Count; i++)
            if (_objectKey.TryGetValue(id, out var hash)
                && _cache.TryGetValue(hash, out var entry))
            {
-                entry.reference--;
+                var entry = _cache[i];
-                if (entry.reference <= 0 || !entry.storedObject)
+
                if (entry.storedObject != obj)
                {
-                    Remove(entry);
+                    continue;
                }
-                else
+
                if (--entry.reference <= 0)
                {
-                    Logging.Log(_name, $"Release(total#{_cache.Count}): {entry}");
+                    Profiler.BeginSample("(COF)[ObjectRepository] Release > RemoveAt");
                    _cache.RemoveAtFast(i);
                    Logging.Log(_name, $"Release(#{_cache.Count}): {entry}");
                    entry.Release(_onRelease);
                    _pool.Push(entry);
                    Profiler.EndSample();
                    break;
                }
-            }
+
-            else
+                Logging.Log(_name, $"Release(#{count}): {entry}");
-            {
+                break;
                Logging.Log(_name, $"Release(total#{_cache.Count}): <color=red>Already released: {obj}</color>");
            }
            obj = null;
            Profiler.EndSample();
        }
        private void Remove(Entry entry)
        {
            if (ReferenceEquals(entry, null)) return;
            Profiler.BeginSample("(COF)[ObjectRepository] Remove");
            _cache.Remove(entry.hash);
            _objectKey.Remove(entry.storedObject.GetInstanceID());
            _pool.Push(entry);
            entry.reference = 0;
            Logging.Log(_name, $"<color=#f29e03>Remove</color>(total#{_cache.Count}): {entry}");
            entry.Release(_onRelease);
            Profiler.EndSample();
        }
        private class Entry
        {
            public Hash128 hash;
@@ -202,7 +211,7 @@ namespace Coffee.UIParticleInternal
            public override string ToString()
            {
-                return $"h{(uint)hash.GetHashCode()} (refs#{reference}), {storedObject}";
+                return $"h{(uint)hash.GetHashCode()} (#{reference}), {storedObject}";
            }
        }
    }
--- a/Runtime/Internal/Utilities/UIExtraCallbacks.cs
+++ b/Runtime/Internal/Utilities/UIExtraCallbacks.cs
@@ -14,8 +14,6 @@ namespace Coffee.UIParticleInternal
        private static readonly FastAction s_AfterCanvasRebuildAction = new FastAction();
        private static readonly FastAction s_LateAfterCanvasRebuildAction = new FastAction();
        private static readonly FastAction s_BeforeCanvasRebuildAction = new FastAction();
        private static readonly FastAction s_OnScreenSizeChangedAction = new FastAction();
        private static Vector2Int s_LastScreenSize;
        static UIExtraCallbacks()
        {
@@ -50,15 +48,6 @@ namespace Coffee.UIParticleInternal
            remove => s_AfterCanvasRebuildAction.Remove(value);
        }
        /// <summary>
        /// Event that occurs when the screen size changes.
        /// </summary>
        public static event Action onScreenSizeChanged
        {
            add => s_OnScreenSizeChangedAction.Add(value);
            remove => s_OnScreenSizeChangedAction.Remove(value);
        }
        /// <summary>
        /// Initializes the UIExtraCallbacks to ensure proper event handling.
        /// </summary>
@@ -75,12 +64,11 @@ namespace Coffee.UIParticleInternal
 #if UNITY_EDITOR
        [InitializeOnLoadMethod]
-#endif
+#else
        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
 #endif
        private static void InitializeOnLoad()
        {
            Canvas.willRenderCanvases -= OnAfterCanvasRebuild;
            s_IsInitializedAfterCanvasRebuild = false;
        }
        /// <summary>
@@ -88,17 +76,6 @@ namespace Coffee.UIParticleInternal
        /// </summary>
        private static void OnBeforeCanvasRebuild()
        {
            var screenSize = new Vector2Int(Screen.width, Screen.height);
            if (s_LastScreenSize != screenSize)
            {
                if (s_LastScreenSize != default)
                {
                    s_OnScreenSizeChangedAction.Invoke();
                }
                s_LastScreenSize = screenSize;
            }
            s_BeforeCanvasRebuildAction.Invoke();
            InitializeAfterCanvasRebuild();
        }
--- a/Runtime/UIParticle.cs
+++ b/Runtime/UIParticle.cs
@@ -3,14 +3,12 @@ using System.Collections.Generic;
 using System.Runtime.CompilerServices;
 using Coffee.UIParticleInternal;
 using UnityEngine;
 using UnityEngine.EventSystems;
 using UnityEngine.Rendering;
 using UnityEngine.Serialization;
 using UnityEngine.UI;
 using Random = UnityEngine.Random;
 [assembly: InternalsVisibleTo("Coffee.UIParticle.Editor")]
 [assembly: InternalsVisibleTo("Coffee.UIParticle.PerformanceDemo")]
 [assembly: InternalsVisibleTo("Coffee.UIParticle.Demo")]
 namespace Coffee.UIExtensions
 {
@@ -20,7 +18,7 @@ namespace Coffee.UIExtensions
    [ExecuteAlways]
    [RequireComponent(typeof(RectTransform))]
    [RequireComponent(typeof(CanvasRenderer))]
-    public class UIParticle : MaskableGraphic, ISerializationCallbackReceiver
+    public class UIParticle : UIBehaviour, ISerializationCallbackReceiver
    {
        public enum AutoScalingMode
        {
@@ -60,12 +58,12 @@ namespace Coffee.UIExtensions
        [Obsolete]
        internal bool m_AbsoluteMode;
-        [Tooltip("Scale the rendering particles. When the `3D` toggle is enabled, 3D scale (x, y, z) is supported.")]
+        [Tooltip("Particle effect scale")]
        [SerializeField]
-        private Vector3 m_Scale3D = new Vector3(10, 10, 10);
+        private Vector3 m_Scale3D = new Vector3(1, 1, 1);
-        [Tooltip("If you want to update material properties (e.g. _MainTex_ST, _Color) in AnimationClip, " +
+        [Tooltip("Animatable material properties.\n" +
-                 "use this to mark as animatable.")]
+                 "If you want to change the material properties of the ParticleSystem in Animation, enable it.")]
        [SerializeField]
        internal AnimatableProperty[] m_AnimatableProperties = new AnimatableProperty[0];
@@ -73,13 +71,12 @@ namespace Coffee.UIExtensions
        [SerializeField]
        private List<ParticleSystem> m_Particles = new List<ParticleSystem>();
-        [Tooltip("Particle simulation results are shared within the same group. " +
+        [Tooltip("Mesh sharing.\n" +
-                 "A large number of the same effects can be displayed with a small load.\n" +
+                 "None: disable mesh sharing.\n" +
-                 "None: Disable mesh sharing.\n" +
+                 "Auto: automatically select Primary/Replica.\n" +
-                 "Auto: Automatically select Primary/Replica.\n" +
+                 "Primary: provides particle simulation results to the same group.\n" +
                 "Primary: Provides particle simulation results to the same group.\n" +
                 "Primary Simulator: Primary, but do not render the particle (simulation only).\n" +
-                 "Replica: Render simulation results provided by the primary.")]
+                 "Replica: render simulation results provided by the primary.")]
        [SerializeField]
        private MeshSharing m_MeshSharing = MeshSharing.None;
@@ -91,53 +88,67 @@ namespace Coffee.UIExtensions
        [SerializeField]
        private int m_GroupMaxId;
-        [Tooltip("Emission position mode.\n" +
+        [Tooltip("Relative: The particles will be emitted from the scaled position of ParticleSystem.\n" +
-                 "Relative: The particles will be emitted from the scaled position.\n" +
+                 "Absolute: The particles will be emitted from the world position of ParticleSystem.")]
                 "Absolute: The particles will be emitted from the world position.")]
        [SerializeField]
        private PositionMode m_PositionMode = PositionMode.Relative;
        [SerializeField]
        [Tooltip("Prevent the root-Canvas scale from affecting the hierarchy-scaled ParticleSystem.")]
        [Obsolete]
        internal bool m_AutoScaling;
        [SerializeField]
-        [Tooltip(
+        [Tooltip("Transform: Transform.lossyScale (=world scale) will be set to (1, 1, 1)." +
-            "How to automatically adjust when the Canvas scale is changed by the screen size or reference resolution.\n" +
+                 "UIParticle: UIParticle.scale will be adjusted.")]
            "None: Do nothing.\n" +
            "Transform: Transform.lossyScale (=world scale) will be set to (1, 1, 1).\n" +
            "UIParticle: UIParticle.scale will be adjusted.")]
        private AutoScalingMode m_AutoScalingMode = AutoScalingMode.Transform;
        [SerializeField]
-        [Tooltip("Use a custom view.\n" +
+        private bool m_Maskable = true;
                 "Use this if the particles are not displayed correctly due to min/max particle size.")]
        private bool m_UseCustomView;
        [SerializeField]
        [Tooltip("Custom view size.\n" +
                 "Change the bake view size.")]
        private float m_CustomViewSize = 10;
        private readonly List<UIParticleRenderer> _renderers = new List<UIParticleRenderer>();
-        private Camera _bakeCamera;
+        private Canvas _canvas;
        private int _groupId;
-        private bool _isScaleStored;
+        private Camera _bakeCamera;
        private Vector3 _storedScale;
        private DrivenRectTransformTracker _tracker;
        private Vector3 _storedScale;
        private bool _isScaleStored;
-        /// <summary>
+        public RectTransform rectTransform => transform as RectTransform;
-        /// Should this graphic be considered a target for ray-casting?
+
-        /// </summary>
+        public Canvas canvas
        public override bool raycastTarget
        {
-            get => false;
+            get
-            set { }
+            {
                if (_canvas) return _canvas;
                var tr = transform;
                while (tr && !_canvas)
                {
                    if (tr.TryGetComponent(out _canvas)) return _canvas;
                    tr = tr.parent;
                }
                return null;
            }
        }
        /// <summary>
-        /// Particle simulation results are shared within the same group.
+        /// Does this graphic allow masking.
-        /// A large number of the same effects can be displayed with a small load.
+        /// </summary>
        public bool maskable
        {
            get => m_Maskable;
            set
            {
                if (value == m_Maskable) return;
                m_Maskable = value;
                UpdateRendererMaterial();
            }
        }
        /// <summary>
        /// Mesh sharing.
        /// None: disable mesh sharing.
        /// Auto: automatically select Primary/Replica.
        /// Primary: provides particle simulation results to the same group.
@@ -180,9 +191,9 @@ namespace Coffee.UIExtensions
        }
        /// <summary>
-        /// Emission position mode.
+        /// Particle position mode.
-        /// Relative: The particles will be emitted from the scaled position.
+        /// Relative: The particles will be emitted from the scaled position of the ParticleSystem.
-        /// Absolute: The particles will be emitted from the world position.
+        /// Absolute: The particles will be emitted from the world position of the ParticleSystem.
        /// </summary>
        public PositionMode positionMode
        {
@@ -195,7 +206,6 @@ namespace Coffee.UIExtensions
        /// Relative: The particles will be emitted from the scaled position of the ParticleSystem.
        /// Absolute: The particles will be emitted from the world position of the ParticleSystem.
        /// </summary>
        [Obsolete("The absoluteMode is now obsolete. Please use the autoScalingMode instead.", false)]
        public bool absoluteMode
        {
            get => m_PositionMode == PositionMode.Absolute;
@@ -213,12 +223,8 @@ namespace Coffee.UIExtensions
        }
        /// <summary>
-        /// How to automatically adjust when the Canvas scale is changed by the screen size or reference resolution.
+        /// Auto scaling mode.
        /// <para/>
        /// None: Do nothing.
        /// <para/>
        /// Transform: Transform.lossyScale (=world scale) will be set to (1, 1, 1).
        /// <para/>
        /// UIParticle: UIParticle.scale will be adjusted.
        /// </summary>
        public AutoScalingMode autoScalingMode
@@ -237,26 +243,6 @@ namespace Coffee.UIExtensions
            }
        }
        /// <summary>
        /// Use a custom view.
        /// Use this if the particles are not displayed correctly due to min/max particle size.
        /// </summary>
        public bool useCustomView
        {
            get => m_UseCustomView;
            set => m_UseCustomView = value;
        }
        /// <summary>
        /// Custom view size.
        /// Change the bake view size.
        /// </summary>
        public float customViewSize
        {
            get => m_CustomViewSize;
            set => m_CustomViewSize = Mathf.Max(0.1f, value);
        }
        internal bool useMeshSharing => m_MeshSharing != MeshSharing.None;
        internal bool isPrimary =>
@@ -302,6 +288,22 @@ namespace Coffee.UIExtensions
        public List<ParticleSystem> particles => m_Particles;
        /// <summary>
        /// Get all base materials to render.
        /// </summary>
        public IEnumerable<Material> materials
        {
            get
            {
                for (var i = 0; i < _renderers.Count; i++)
                {
                    var r = _renderers[i];
                    if (!r || !r.material) continue;
                    yield return r.material;
                }
            }
        }
        /// <summary>
        /// Paused.
        /// </summary>
@@ -309,15 +311,15 @@ namespace Coffee.UIExtensions
        public Vector3 parentScale { get; private set; }
-        public Vector3 canvasScale { get; private set; }
+        private Vector3 canvasScale { get; set; }
        protected override void OnEnable()
        {
            _isScaleStored = false;
            ResetGroupId();
            UIParticleUpdater.Register(this);
            RegisterDirtyMaterialCallback(UpdateRendererMaterial);
            //
            if (0 < particles.Count)
            {
                RefreshParticles(particles);
@@ -327,7 +329,7 @@ namespace Coffee.UIExtensions
                RefreshParticles();
            }
-            base.OnEnable();
+            UpdateRendererMaterial();
        }
        /// <summary>
@@ -344,9 +346,15 @@ namespace Coffee.UIExtensions
            _isScaleStored = false;
            UIParticleUpdater.Unregister(this);
            _renderers.ForEach(r => r.Reset());
-            UnregisterDirtyMaterialCallback(UpdateRendererMaterial);
+            _canvas = null;
        }
-            base.OnDisable();
+        /// <summary>
        /// Called when the state of the parent Canvas is changed.
        /// </summary>
        protected override void OnCanvasHierarchyChanged()
        {
            _canvas = null;
        }
        /// <summary>
@@ -356,6 +364,14 @@ namespace Coffee.UIExtensions
        {
        }
        /// <summary>
        /// This function is called when a direct or indirect parent of the transform of the GameObject has changed.
        /// </summary>
        protected override void OnTransformParentChanged()
        {
            _canvas = null;
        }
        void ISerializationCallbackReceiver.OnBeforeSerialize()
        {
        }
@@ -446,21 +462,6 @@ namespace Coffee.UIExtensions
            isPaused = true;
        }
        /// <summary>
        /// Get all base materials to render.
        /// </summary>
        public void GetMaterials(List<Material> result)
        {
            if (result == null) return;
            for (var i = 0; i < _renderers.Count; i++)
            {
                var r = _renderers[i];
                if (!r || !r.material) continue;
                result.Add(r.material);
            }
        }
        /// <summary>
        /// Refresh UIParticle using the ParticleSystem instance.
        /// </summary>
@@ -480,9 +481,6 @@ namespace Coffee.UIExtensions
            for (var i = 0; i < childCount; i++)
            {
                var go = transform.GetChild(i).gameObject;
                if (go.TryGetComponent<Camera>(out var cam) && cam == _bakeCamera) continue;
                if (go.TryGetComponent<UIParticleRenderer>(out var _)) continue;
                go.SetActive(false);
                if (destroyOldParticles)
                {
@@ -604,12 +602,8 @@ namespace Coffee.UIExtensions
            }
            var currentScale = transform.localScale;
-            if (!_isScaleStored)
+            _storedScale = currentScale;
-            {
+            _isScaleStored = true;
                _storedScale = currentScale.IsVisible() ? currentScale : Vector3.one;
                _isScaleStored = true;
            }
            _tracker.Add(this, rectTransform, DrivenTransformProperties.Scale);
            var newScale = parentScale.Inverse();
            if (currentScale != newScale)
@@ -648,17 +642,6 @@ namespace Coffee.UIExtensions
                : Random.Range(m_GroupId, m_GroupMaxId + 1);
        }
        protected override void UpdateMaterial()
        {
        }
        /// <summary>
        /// Call to update the geometry of the Graphic onto the CanvasRenderer.
        /// </summary>
        protected override void UpdateGeometry()
        {
        }
        private void UpdateRendererMaterial()
        {
            for (var i = 0; i < _renderers.Count; i++)
@@ -688,16 +671,7 @@ namespace Coffee.UIExtensions
        private Camera GetBakeCamera()
        {
            if (!canvas) return Camera.main;
-            if (!useCustomView && canvas.renderMode != RenderMode.ScreenSpaceOverlay && canvas.rootCanvas.worldCamera)
+            if (_bakeCamera) return _bakeCamera;
            {
                return canvas.rootCanvas.worldCamera;
            }
            if (_bakeCamera)
            {
                _bakeCamera.orthographicSize = useCustomView ? customViewSize : 10;
                return _bakeCamera;
            }
            // Find existing baking camera.
            var childCount = transform.childCount;
@@ -714,7 +688,11 @@ namespace Coffee.UIExtensions
            // Create baking camera.
            if (!_bakeCamera)
            {
-                var go = new GameObject("[generated] UIParticle BakingCamera");
+                var go = new GameObject("[generated] UIParticle BakingCamera")
                {
                    // hideFlags = HideFlags.HideAndDontSave
                    hideFlags = HideFlags.DontSave
                };
                go.SetActive(false);
                go.transform.SetParent(transform, false);
                _bakeCamera = go.AddComponent<Camera>();
@@ -722,7 +700,7 @@ namespace Coffee.UIExtensions
            // Setup baking camera.
            _bakeCamera.enabled = false;
-            _bakeCamera.orthographicSize = useCustomView ? customViewSize : 10;
+            _bakeCamera.orthographicSize = 1000;
            _bakeCamera.transform.SetPositionAndRotation(new Vector3(0, 0, -1000), Quaternion.identity);
            _bakeCamera.orthographic = true;
            _bakeCamera.farClipPlane = 2000f;
@@ -733,9 +711,6 @@ namespace Coffee.UIExtensions
            _bakeCamera.renderingPath = RenderingPath.Forward;
            _bakeCamera.useOcclusionCulling = false;
            _bakeCamera.gameObject.SetActive(false);
            _bakeCamera.gameObject.hideFlags = UIParticleProjectSettings.globalHideFlags;
            return _bakeCamera;
        }
    }
--- a/Runtime/UIParticleAttractor.cs
+++ b/Runtime/UIParticleAttractor.cs
@@ -1,5 +1,4 @@
 using System;
 using System.Collections.Generic;
 using Coffee.UIParticleInternal;
 using UnityEngine;
 using UnityEngine.Events;
@@ -7,7 +6,7 @@ using UnityEngine.Events;
 namespace Coffee.UIExtensions
 {
    [ExecuteAlways]
-    public class UIParticleAttractor : MonoBehaviour, ISerializationCallbackReceiver
+    public class UIParticleAttractor : MonoBehaviour
    {
        public enum Movement
        {
@@ -23,12 +22,8 @@ namespace Coffee.UIExtensions
        }
        [SerializeField]
        [HideInInspector]
        private ParticleSystem m_ParticleSystem;
        [SerializeField]
        private List<ParticleSystem> m_ParticleSystems = new List<ParticleSystem>();
        [Range(0.1f, 10f)]
        [SerializeField]
        private float m_DestinationRadius = 1;
@@ -50,7 +45,7 @@ namespace Coffee.UIExtensions
        [SerializeField]
        private UnityEvent m_OnAttracted;
-        private List<UIParticle> _uiParticles = new List<UIParticle>();
+        private UIParticle _uiParticle;
        public float destinationRadius
        {
@@ -89,46 +84,25 @@ namespace Coffee.UIExtensions
        }
        /// <summary>
-        /// The target ParticleSystems to attract. Use <see cref="AddParticleSystem"/> and
+        /// The target ParticleSystem to attract.
        /// <see cref="RemoveParticleSystem"/> to modify the list.
        /// </summary>
-        public IReadOnlyList<ParticleSystem> particleSystems => m_ParticleSystems;
+#if UNITY_EDITOR
-
+        public new ParticleSystem particleSystem
-        public void AddParticleSystem(ParticleSystem ps)
+#else
        public ParticleSystem particleSystem
 #endif
        {
-            if (m_ParticleSystems == null)
+            get => m_ParticleSystem;
            set
            {
-                m_ParticleSystems = new List<ParticleSystem>();
+                m_ParticleSystem = value;
                ApplyParticleSystem();
            }
            var i = m_ParticleSystems.IndexOf(ps);
            if (0 <= i) return; // Already added: skip
            m_ParticleSystems.Add(ps);
            _uiParticles.Clear();
        }
        public void RemoveParticleSystem(ParticleSystem ps)
        {
            if (m_ParticleSystems == null)
            {
                return;
            }
            var i = m_ParticleSystems.IndexOf(ps);
            if (i < 0) return; // Not found. skip
            m_ParticleSystems.RemoveAt(i);
            _uiParticles.Clear();
        }
        private void Awake()
        {
            UpgradeIfNeeded();
        }
        private void OnEnable()
        {
            ApplyParticleSystem();
            UIParticleUpdater.Register(this);
        }
@@ -139,96 +113,85 @@ namespace Coffee.UIExtensions
        private void OnDestroy()
        {
-            _uiParticles = null;
+            _uiParticle = null;
-            m_ParticleSystems = null;
+            m_ParticleSystem = null;
        }
        internal void Attract()
        {
-            // Collect UIParticle if needed (same size as m_ParticleSystems)
+            if (m_ParticleSystem == null) return;
            CollectUIParticlesIfNeeded();
-            for (var particleIndex = 0; particleIndex < m_ParticleSystems.Count; particleIndex++)
+            var count = m_ParticleSystem.particleCount;
            if (count == 0) return;
            var particles = ParticleSystemExtensions.GetParticleArray(count);
            m_ParticleSystem.GetParticles(particles, count);
            var dstPos = GetDestinationPosition();
            for (var i = 0; i < count; i++)
            {
-                var particleSystem = m_ParticleSystems[particleIndex];
+                // Attracted
-
+                var p = particles[i];
-                // Skip: The ParticleSystem is not active
+                if (0f < p.remainingLifetime && Vector3.Distance(p.position, dstPos) < m_DestinationRadius)
                if (particleSystem == null || !particleSystem.gameObject.activeInHierarchy) continue;
                // Skip: No active particles
                var count = particleSystem.particleCount;
                if (count == 0) continue;
                var particles = ParticleSystemExtensions.GetParticleArray(count);
                particleSystem.GetParticles(particles, count);
                var uiParticle = _uiParticles[particleIndex];
                var dstPos = GetDestinationPosition(uiParticle, particleSystem);
                for (var i = 0; i < count; i++)
                {
-                    // Attracted
+                    p.remainingLifetime = 0f;
-                    var p = particles[i];
+                    particles[i] = p;
-                    if (0f < p.remainingLifetime && Vector3.Distance(p.position, dstPos) < m_DestinationRadius)
+
                    if (m_OnAttracted != null)
                    {
-                        p.remainingLifetime = 0f;
+                        try
                        particles[i] = p;
                        if (m_OnAttracted != null)
                        {
-                            try
+                            m_OnAttracted.Invoke();
-                            {
+                        }
-                                m_OnAttracted.Invoke();
+                        catch (Exception e)
-                            }
+                        {
-                            catch (Exception e)
+                            Debug.LogException(e);
                            {
                                Debug.LogException(e);
                            }
                        }
                        continue;
                    }
-                    // Calc attracting time
+                    continue;
                    var delayTime = p.startLifetime * m_DelayRate;
                    var duration = p.startLifetime - delayTime;
                    var time = Mathf.Max(0, p.startLifetime - p.remainingLifetime - delayTime);
                    // Delay
                    if (time <= 0) continue;
                    // Attract
                    p.position = GetAttractedPosition(p.position, dstPos, duration, time);
                    p.velocity *= 0.5f;
                    particles[i] = p;
                }
-                particleSystem.SetParticles(particles, count);
+                // Calc attracting time
                var delayTime = p.startLifetime * m_DelayRate;
                var duration = p.startLifetime - delayTime;
                var time = Mathf.Max(0, p.startLifetime - p.remainingLifetime - delayTime);
                // Delay
                if (time <= 0) continue;
                // Attract
                p.position = GetAttractedPosition(p.position, dstPos, duration, time);
                p.velocity *= 0.5f;
                particles[i] = p;
            }
            m_ParticleSystem.SetParticles(particles, count);
        }
-        private Vector3 GetDestinationPosition(UIParticle uiParticle, ParticleSystem particleSystem)
+        private Vector3 GetDestinationPosition()
        {
-            var isUI = uiParticle && uiParticle.enabled;
+            var isUI = _uiParticle && _uiParticle.enabled;
-            var psPos = particleSystem.transform.position;
+            var psPos = m_ParticleSystem.transform.position;
            var attractorPos = transform.position;
            var dstPos = attractorPos;
-            var isLocalSpace = particleSystem.IsLocalSpace();
+            var isLocalSpace = m_ParticleSystem.IsLocalSpace();
            if (isLocalSpace)
            {
-                dstPos = particleSystem.transform.InverseTransformPoint(dstPos);
+                dstPos = m_ParticleSystem.transform.InverseTransformPoint(dstPos);
            }
            if (isUI)
            {
-                var inverseScale = uiParticle.parentScale.Inverse();
+                var inverseScale = _uiParticle.parentScale.Inverse();
-                var scale3d = uiParticle.scale3DForCalc;
+                var scale3d = _uiParticle.scale3DForCalc;
                dstPos = dstPos.GetScaled(inverseScale, scale3d.Inverse());
                // Relative mode
-                if (uiParticle.positionMode == UIParticle.PositionMode.Relative)
+                if (_uiParticle.positionMode == UIParticle.PositionMode.Relative)
                {
-                    var diff = uiParticle.transform.position - psPos;
+                    var diff = _uiParticle.transform.position - psPos;
                    diff.Scale(scale3d - inverseScale);
                    diff.Scale(scale3d.Inverse());
                    dstPos += diff;
@@ -274,59 +237,25 @@ namespace Coffee.UIExtensions
            return Vector3.MoveTowards(current, target, speed);
        }
-        private void CollectUIParticlesIfNeeded()
+        private void ApplyParticleSystem()
        {
-            if (m_ParticleSystems.Count == 0 || _uiParticles.Count != 0) return;
+            _uiParticle = null;
-
+            if (m_ParticleSystem == null)
            // Expand capacity
            if (_uiParticles.Capacity < m_ParticleSystems.Capacity)
            {
                _uiParticles.Capacity = m_ParticleSystems.Capacity;
            }
            // Find UIParticle that controls the ParticleSystem
            for (var i = 0; i < m_ParticleSystems.Count; i++)
            {
                var ps = m_ParticleSystems[i];
                if (ps == null)
                {
                    _uiParticles.Add(null);
                    continue;
                }
                var uiParticle = ps.GetComponentInParent<UIParticle>(true);
                _uiParticles.Add(uiParticle.particles.Contains(ps) ? uiParticle : null);
            }
        }
 #if UNITY_EDITOR
-        private void OnValidate()
+                if (Application.isPlaying)
        {
            _uiParticles.Clear();
        }
 #endif
        void ISerializationCallbackReceiver.OnBeforeSerialize()
        {
            UpgradeIfNeeded();
        }
        void ISerializationCallbackReceiver.OnAfterDeserialize()
        {
        }
        private void UpgradeIfNeeded()
        {
            // Multiple ParticleSystems support: from 'm_ParticleSystem' to 'm_ParticleSystems'
            if (m_ParticleSystem != null)
            {
                if (!m_ParticleSystems.Contains(m_ParticleSystem))
                {
-                    m_ParticleSystems.Add(m_ParticleSystem);
+                    Debug.LogError("No particle system attached to particle attractor script", this);
                }
-                m_ParticleSystem = null;
+                return;
-                Debug.Log($"Upgraded!");
+            }
            _uiParticle = m_ParticleSystem.GetComponentInParent<UIParticle>(true);
            if (_uiParticle && !_uiParticle.particles.Contains(m_ParticleSystem))
            {
                _uiParticle = null;
            }
        }
    }
--- a/Runtime/UIParticleAttractor.cs.meta
+++ b/Runtime/UIParticleAttractor.cs.meta
@@ -5,7 +5,7 @@ MonoImporter:
  serializedVersion: 2
  defaultReferences: []
  executionOrder: 0
-  icon: {fileID: 2800000, guid: 5f0675613942149309588d556e33d990, type: 3}
+  icon: {instanceID: 0}
  userData: 
  assetBundleName: 
  assetBundleVariant: 
--- a/Runtime/UIParticleProjectSettings.cs
+++ b/Runtime/UIParticleProjectSettings.cs
@@ -17,18 +17,6 @@ namespace Coffee.UIExtensions
            set => instance.m_EnableLinearToGamma = value;
        }
        [Header("Editor")]
        [Tooltip("Hide the automatically generated objects.\n" +
                 "  - UIParticleRenderer\n" +
                 "  - UIParticle BakingCamera")]
        [SerializeField]
        private bool m_HideGeneratedObjects = true;
        public static HideFlags globalHideFlags => instance.m_HideGeneratedObjects
            ? HideFlags.DontSave | HideFlags.NotEditable | HideFlags.HideInHierarchy | HideFlags.HideInInspector
            : HideFlags.DontSave | HideFlags.NotEditable;
 #if UNITY_EDITOR
        [SettingsProvider]
        private static SettingsProvider CreateSettingsProvider()
--- a/Runtime/UIParticleProjectSettings.cs.meta
+++ b/Runtime/UIParticleProjectSettings.cs.meta
@@ -5,7 +5,7 @@ MonoImporter:
  serializedVersion: 2
  defaultReferences: []
  executionOrder: 0
-  icon: {fileID: 2800000, guid: 5f0675613942149309588d556e33d990, type: 3}
+  icon: {instanceID: 0}
  userData: 
  assetBundleName: 
  assetBundleVariant: 
--- a/Runtime/UIParticleRenderer.cs
+++ b/Runtime/UIParticleRenderer.cs
@@ -4,6 +4,7 @@
 #elif UNITY_2022_3_OR_NEWER
 #define PS_BAKE_API_V2
 #endif
 using System;
 using System.Collections.Generic;
 using Coffee.UIParticleInternal;
@@ -24,10 +25,10 @@ namespace Coffee.UIExtensions
        private static readonly CombineInstance[] s_CombineInstances = { new CombineInstance() };
        private static readonly List<Material> s_Materials = new List<Material>(2);
        private static MaterialPropertyBlock s_Mpb;
        private static readonly List<UIParticleRenderer> s_Renderers = new List<UIParticleRenderer>(8);
        private static readonly Vector3[] s_Corners = new Vector3[4];
        private bool _delay;
        private int _index;
        private bool _isPrevStored;
        private bool _isTrail;
        private Bounds _lastBounds;
        private Material _materialForRendering;
@@ -37,6 +38,7 @@ namespace Coffee.UIExtensions
        private float _prevCanvasScale;
        private Vector3 _prevPsPos;
        private Vector3 _prevScale;
        private bool _isPrevStored;
        private Vector2Int _prevScreenSize;
        private bool _preWarm;
        private ParticleSystemRenderer _renderer;
@@ -136,7 +138,6 @@ namespace Coffee.UIExtensions
        {
            base.OnEnable();
            hideFlags = UIParticleProjectSettings.globalHideFlags;
            if (!s_CombineInstances[0].mesh)
            {
                s_CombineInstances[0].mesh = new Mesh
@@ -161,7 +162,7 @@ namespace Coffee.UIExtensions
            // Create renderer object.
            var go = new GameObject("[generated] UIParticleRenderer", typeof(UIParticleRenderer))
            {
-                hideFlags = UIParticleProjectSettings.globalHideFlags,
+                hideFlags = HideFlags.HideAndDontSave,
                layer = parent.gameObject.layer
            };
@@ -201,6 +202,7 @@ namespace Coffee.UIExtensions
                return modifiedMaterial;
            }
            //
            var hash = new Hash128(
                modifiedMaterial ? (uint)modifiedMaterial.GetInstanceID() : 0,
                texture ? (uint)texture.GetInstanceID() : 0,
@@ -423,12 +425,13 @@ namespace Coffee.UIExtensions
                var components = ListPool<Component>.Rent();
                GetComponents(typeof(IMeshModifier), components);
 #pragma warning disable CS0618 // Type or member is obsolete
                for (var i = 0; i < components.Count; i++)
                {
 #pragma warning disable CS0618 // Type or member is obsolete
                    ((IMeshModifier)components[i]).ModifyMesh(workerMesh);
 #pragma warning restore CS0618 // Type or member is obsolete
                }
 #pragma warning restore CS0618 // Type or member is obsolete
                ListPool<Component>.Return(ref components);
            }
@@ -442,25 +445,22 @@ namespace Coffee.UIExtensions
            // Get grouped renderers.
            Profiler.BeginSample("[UIParticleRenderer] Set Mesh");
-            var renderers = ListPool<UIParticleRenderer>.Rent();
+            s_Renderers.Clear();
            if (_parent.useMeshSharing)
            {
-                UIParticleUpdater.GetGroupedRenderers(_parent.groupId, _index, renderers);
+                UIParticleUpdater.GetGroupedRenderers(_parent.groupId, _index, s_Renderers);
            }
-            for (var i = 0; i < renderers.Count; i++)
+            for (var i = 0; i < s_Renderers.Count; i++)
            {
-                var r = renderers[i];
+                if (s_Renderers[i] == this) continue;
                if (r == this) continue;
-                r.canvasRenderer.SetMesh(workerMesh);
+                s_Renderers[i].canvasRenderer.SetMesh(workerMesh);
-                r._lastBounds = _lastBounds;
+                s_Renderers[i]._lastBounds = _lastBounds;
-                r.canvasRenderer.materialCount = 1;
+                s_Renderers[i].canvasRenderer.materialCount = 1;
-                r.canvasRenderer.SetMaterial(materialForRendering, 0);
+                s_Renderers[i].canvasRenderer.SetMaterial(materialForRendering, 0);
            }
            ListPool<UIParticleRenderer>.Return(ref renderers);
            if (_parent.canRender)
            {
                canvasRenderer.SetMesh(workerMesh);
@@ -471,6 +471,8 @@ namespace Coffee.UIExtensions
            }
            Profiler.EndSample();
            s_Renderers.Clear();
        }
        public override void SetMaterialDirty()
@@ -542,12 +544,6 @@ namespace Coffee.UIExtensions
                    return Matrix4x4.Translate(psPos)
                           * Matrix4x4.Scale(scale);
                case ParticleSystemSimulationSpace.World:
                    if (_isTrail)
                    {
                        return Matrix4x4.Translate(psPos)
                               * Matrix4x4.Scale(scale)
                               * Matrix4x4.Translate(-psPos);
                    }
                    return Matrix4x4.Scale(scale);
                case ParticleSystemSimulationSpace.Custom:
                    return Matrix4x4.Translate(_particleSystem.main.customSimulationSpace.position.GetScaled(scale))
--- a/Runtime/UIParticleRenderer.cs.meta
+++ b/Runtime/UIParticleRenderer.cs.meta
@@ -5,7 +5,7 @@ MonoImporter:
  serializedVersion: 2
  defaultReferences: []
  executionOrder: 0
-  icon: {fileID: 2800000, guid: 5f0675613942149309588d556e33d990, type: 3}
+  icon: {instanceID: 0}
  userData: 
  assetBundleName: 
  assetBundleVariant: 
--- a/Samples~/Demo/Scripts/UIParticle_Demo.cs
+++ b/Samples~/Demo/Scripts/UIParticle_Demo.cs
@@ -1,4 +1,3 @@
 using Coffee.UIParticleInternal;
 using UnityEngine;
 using UnityEngine.Serialization;
 using UnityEngine.UI;
@@ -52,7 +51,7 @@ namespace Coffee.UIExtensions.Demo
        public void EnableAnimations(bool flag)
        {
-            foreach (var animator in Misc.FindObjectsOfType<Animator>())
+            foreach (var animator in FindObjectsOfType<Animator>())
            {
                animator.enabled = flag;
            }
@@ -80,7 +79,7 @@ namespace Coffee.UIExtensions.Demo
        public void UIParticle_Scale(float scale)
        {
-            foreach (var uip in Misc.FindObjectsOfType<UIParticle>())
+            foreach (var uip in FindObjectsOfType<UIParticle>())
            {
                uip.scale = scale;
            }
@@ -88,7 +87,7 @@ namespace Coffee.UIExtensions.Demo
        public void ParticleSystem_WorldSpaseSimulation(bool flag)
        {
-            foreach (var p in Misc.FindObjectsOfType<ParticleSystem>())
+            foreach (var p in FindObjectsOfType<ParticleSystem>())
            {
                var main = p.main;
                main.simulationSpace = flag
@@ -124,7 +123,7 @@ namespace Coffee.UIExtensions.Demo
        public void ParticleSystem_SetScale(float scale)
        {
-            foreach (var ps in Misc.FindObjectsOfType<ParticleSystem>())
+            foreach (var ps in FindObjectsOfType<ParticleSystem>())
            {
                ps.transform.localScale = new Vector3(scale, scale, scale);
            }
--- a/Samples~/Demo/Sprites/UIParticle_Demo_Light_Frame.png.meta
+++ b/Samples~/Demo/Sprites/UIParticle_Demo_Light_Frame.png.meta
@@ -42,12 +42,12 @@ TextureImporter:
  compressionQuality: 50
  spriteMode: 1
  spriteExtrude: 1
-  spriteMeshType: 0
+  spriteMeshType: 1
  alignment: 0
  spritePivot: {x: 0.5, y: 0.5}
  spritePixelsToUnits: 100
  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
-  spriteGenerateFallbackPhysicsShape: 0
+  spriteGenerateFallbackPhysicsShape: 1
  alphaUsage: 1
  alphaIsTransparency: 1
  spriteTessellationDetail: -1
--- a/Samples~/Demo/Sprites/UIParticle_Demo_Move.png.meta
+++ b/Samples~/Demo/Sprites/UIParticle_Demo_Move.png.meta
@@ -27,7 +27,7 @@ TextureImporter:
  generateCubemap: 6
  cubemapConvolution: 0
  seamlessCubemap: 0
-  textureFormat: 4
+  textureFormat: 1
  maxTextureSize: 2048
  textureSettings:
    serializedVersion: 2
@@ -42,12 +42,12 @@ TextureImporter:
  compressionQuality: 50
  spriteMode: 1
  spriteExtrude: 1
-  spriteMeshType: 0
+  spriteMeshType: 1
  alignment: 0
  spritePivot: {x: 0.5, y: 0.5}
  spritePixelsToUnits: 100
  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
-  spriteGenerateFallbackPhysicsShape: 0
+  spriteGenerateFallbackPhysicsShape: 1
  alphaUsage: 1
  alphaIsTransparency: 1
  spriteTessellationDetail: -1
--- a/Samples~/Demo/Sprites/UIParticle_Demo_Star.png.meta
+++ b/Samples~/Demo/Sprites/UIParticle_Demo_Star.png.meta
@@ -42,12 +42,12 @@ TextureImporter:
  compressionQuality: 50
  spriteMode: 1
  spriteExtrude: 1
-  spriteMeshType: 0
+  spriteMeshType: 1
  alignment: 0
  spritePivot: {x: 0.5, y: 0.5}
  spritePixelsToUnits: 100
  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
-  spriteGenerateFallbackPhysicsShape: 0
+  spriteGenerateFallbackPhysicsShape: 1
  alphaUsage: 0
  alphaIsTransparency: 1
  spriteTessellationDetail: -1
--- a/Samples~/Demo/Sprites/UIParticle_Demo_Unity-chan.png.meta
+++ b/Samples~/Demo/Sprites/UIParticle_Demo_Unity-chan.png.meta
@@ -27,7 +27,7 @@ TextureImporter:
  generateCubemap: 6
  cubemapConvolution: 0
  seamlessCubemap: 0
-  textureFormat: 4
+  textureFormat: -1
  maxTextureSize: 2048
  textureSettings:
    serializedVersion: 2
@@ -42,12 +42,12 @@ TextureImporter:
  compressionQuality: 50
  spriteMode: 1
  spriteExtrude: 1
-  spriteMeshType: 0
+  spriteMeshType: 1
  alignment: 0
  spritePivot: {x: 0.5, y: 0.5}
  spritePixelsToUnits: 100
  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
-  spriteGenerateFallbackPhysicsShape: 0
+  spriteGenerateFallbackPhysicsShape: 1
  alphaUsage: 1
  alphaIsTransparency: 1
  spriteTessellationDetail: -1
--- a/Shaders/UIAdditive.shader
+++ b/Shaders/UIAdditive.shader
@@ -40,10 +40,7 @@
        Lighting Off
        ZWrite Off
        ZTest [unity_GUIZTestMode]
-        Fog
+        Fog { Mode Off }
        {
            Mode Off
        }
        Blend One One
        ColorMask [_ColorMask]
@@ -64,21 +61,21 @@
            struct appdata_t
            {
-                float4 vertex : POSITION;
+                float4 vertex   : POSITION;
-                float4 color : COLOR;
+                float4 color    : COLOR;
                float2 texcoord : TEXCOORD0;
                UNITY_VERTEX_INPUT_INSTANCE_ID
            };
            struct v2f
            {
-                float4 vertex : SV_POSITION;
+                float4 vertex           : SV_POSITION;
-                fixed4 color : COLOR;
+                fixed4 color            : COLOR;
-                float2 texcoord : TEXCOORD0;
+                float2 texcoord         : TEXCOORD0;
-                float4 worldPosition : TEXCOORD1;
+                float4 worldPosition    : TEXCOORD1;
                UNITY_VERTEX_OUTPUT_STEREO
            };
-
+            
            fixed4 _Color;
            sampler2D _MainTex;
            float4 _MainTex_ST;
@@ -117,4 +114,4 @@
            ENDCG
        }
    }
-}
+}
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
  "name": "com.coffee.ui-particle",
  "displayName": "UI Particle",
  "description": "This package provides a component to render particle effects for uGUI.\nThe particle rendering is maskable and sortable, without the need for an extra Camera, RenderTexture, or Canvas.",
-  "version": "4.10.3",
+  "version": "5.0.0-preview.2",
  "unity": "2018.2",
  "license": "MIT",
  "repository": {
Author	SHA1	Message	Date
semantic-release-bot	79635e81d7	chore(release): 5.0.0-preview.2 [skip ci] # [5.0.0-preview.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v5.0.0-preview.1...v5.0.0-preview.2) (2024-06-20) ### Bug Fixes * 'Resource ID out of range in GetResource' error in overlay rendering mode ([`ff78b6f`](`ff78b6fe32`)), closes [#308](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/308) * `UIParticle.transform.localScale` does not scale particles ([`491ee7b`](`491ee7b0c3`)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313) * despite not using the size module, particles become smaller based on their z position ([`c96ddf2`](`c96ddf293e`)), closes [#316](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/316) * the ParticleSystem's localPosition drifts at certain scales due to floating-point precision issues ([`a9c2b19`](`a9c2b19edf`)), closes [#299](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/299) [#312](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/312) * UIParticle is scaled by canvas size even when `AutoScalingMode.None` and `ScalingMode.Local` ([`63b24d8`](`63b24d8a8b`)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313) * UIParticle is scaled incorrectly with nested canvases ([`c95d8c6`](`c95d8c6b17`)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313) ### Features * remove overlay window (editor) ([`fc3fbdd`](`fc3fbdd230`)) * reset previous position on start play for world space simulation ([`e741584`](`e741584507`)), closes [#303](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/303) * restore `Transform.localScale` when setting `autoScalingMode` to something other than `Transform` ([`dfb94f4`](`dfb94f4bad`))	2024-06-20 15:27:14 +00:00
mob-sakai	f388eb45ec	fix: despite not using the size module, particles become smaller based on their z position close #316	2024-06-20 12:52:21 +09:00
mob-sakai	f08809772a	feat: restore `Transform.localScale` when setting `autoScalingMode` to something other than `Transform` # Conflicts: # Packages/src/Editor/UIParticleEditor.cs # Packages/src/Runtime/UIParticle.cs	2024-06-20 12:52:21 +09:00
mob-sakai	f96604ffc9	feat: reset previous position on start play for world space simulation close #303 # Conflicts: # Packages/src/Runtime/UIParticleRenderer.cs	2024-06-20 12:52:21 +09:00
mob-sakai	beac3b8048	docs: update license	2024-06-20 12:52:21 +09:00
mob-sakai	a00bcd8a35	fix demo	2024-06-20 12:52:21 +09:00
mob-sakai	1f72048ef5	fix: `UIParticle.transform.localScale` does not scale particles close #313	2024-06-19 13:49:00 +09:00
mob-sakai	65f7555482	fix: UIParticle is scaled by canvas size even when `AutoScalingMode.None` and `ScalingMode.Local` close #313	2024-06-19 13:48:54 +09:00
mob-sakai	433f828ad9	fix: UIParticle is scaled incorrectly with nested canvases close #313	2024-06-19 13:48:46 +09:00
mob-sakai	1b8f0aac4a	refactor: refactor	2024-06-19 13:47:51 +09:00
SAMYTHEBIGJUICY	70271ae5e9	fix: 'Resource ID out of range in GetResource' error in overlay rendering mode #308	2024-06-14 11:35:15 +09:00
mob-sakai	c3540a056c	update coffee.internal	2024-06-14 11:27:47 +09:00
mob-sakai	0cf4ae88c5	fix: the ParticleSystem's localPosition drifts at certain scales due to floating-point precision issues close #299, close #312	2024-05-24 17:49:07 +09:00
mob-sakai	e579f524ba	feat: remove overlay window (editor)	2024-05-24 17:44:14 +09:00
semantic-release-bot	23dd7b5987	chore(release): 5.0.0-preview.1 [skip ci] # [5.0.0-preview.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.6...v5.0.0-preview.1) (2024-05-23) ### Features * add project settings for UIParticle ([`b6e6185`](`b6e6185c52`)) * change the default value of `UIParticle.scale` from `10` to `1` ([`1b3c0f9`](`1b3c0f92dc`)), closes [#310](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/310) * UIParticle no longer inherits from MaskableGraphic ([`b6d921b`](`b6d921b3e4`)) ### BREAKING CHANGES * Some members inherited from MaskableGraphic will no longer be available.	2024-05-23 11:19:50 +00:00
mob-sakai	f476898b46	fix preview release workflow	2024-05-23 20:17:25 +09:00
mob-sakai	4e91b6f69b	feat: change the default value of `UIParticle.scale` from `10` to `1` close #310	2024-05-23 20:10:33 +09:00
mob-sakai	1bf669e09f	docs: update readme	2024-05-23 20:10:33 +09:00
mob-sakai	54be6bf588	refactor: refactor	2024-05-23 20:10:33 +09:00
mob-sakai	72f5f9441b	feat: add project settings for UIParticle	2024-05-23 20:10:33 +09:00
mob-sakai	acebfb27f6	feat: UIParticle no longer inherits from MaskableGraphic BREAKING CHANGE: Some members inherited from MaskableGraphic will no longer be available.	2024-05-23 20:10:33 +09:00
mob-sakai	a3e725fd5a	refactor: using Coffee.Internal	2024-05-23 20:10:33 +09:00