chore(release): 5.0.0-preview.5 [skip ci]

# [5.0.0-preview.5](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v5.0.0-preview.4...v5.0.0-preview.5) (2024-07-18) ### Features * ParticleAttractor supports multiple ParticleSystems ([e0a6381](e0a63817e1))
feat: ParticleAttractor supports multiple ParticleSystems
2026-05-14 20:20:06 +00:00 · 2024-07-18 06:06:22 +00:00 · 2024-07-18 14:30:15 +09:00 · 2024-07-18 14:29:59 +09:00 · 2024-07-18 14:29:49 +09:00 · 2024-07-18 14:29:34 +09:00
22 changed files with 1642 additions and 1148 deletions
--- a/Demo/Scripts/UIParticle_PerformanceDemo.cs
+++ b/Demo/Scripts/UIParticle_PerformanceDemo.cs
@@ -46,7 +46,11 @@ namespace Coffee.UIExtensions.Demo

            if (!flag)
            {
+#if UNITY_2023_1_OR_NEWER
+                foreach (var ps in FindObjectsByType<ParticleSystem>(FindObjectsInactive.Include, FindObjectsSortMode.None))
+#else
                foreach (var ps in FindObjectsOfType<ParticleSystem>())
+#endif
                {
                    ps.Play(false);
                }
@@ -75,7 +79,11 @@ namespace Coffee.UIExtensions.Demo

        public void ParticleSystem_SetScale(float scale)
        {
+#if UNITY_2023_1_OR_NEWER
+            foreach (var ps in FindObjectsByType<ParticleSystem>(FindObjectsInactive.Include, FindObjectsSortMode.None))
+#else
            foreach (var ps in FindObjectsOfType<ParticleSystem>())
+#endif
            {
                ps.transform.localScale = new Vector3(scale, scale, scale);
            }
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-  m_AnchoredPosition: {x: 0, y: 0}
-  m_SizeDelta: {x: 0, y: 0}
-  m_Pivot: {x: 0.5, y: 0.5}
--- !u!222 &5485386222362727379
-CanvasRenderer:
-  m_ObjectHideFlags: 0
-  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInstance: {fileID: 0}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 8570858711609111474}
-  m_CullTransparentMesh: 0
--- !u!114 &3877588430751452752
-MonoBehaviour:
-  m_ObjectHideFlags: 0
-  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInstance: {fileID: 0}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 8570858711609111474}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: 5f7201a12d95ffc409449d95f23cf332, type: 3}
-  m_Name: 
-  m_EditorClassIdentifier: 
-  m_Material: {fileID: 0}
-  m_Color: {r: 0.19607843, g: 0.19607843, b: 0.19607843, a: 1}
-  m_RaycastTarget: 1
-  m_Maskable: 1
-  m_OnCullStateChanged:
-    m_PersistentCalls:
-      m_Calls: []
-  m_FontData:
-    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
-    m_FontSize: 14
-    m_FontStyle: 0
-    m_BestFit: 0
-    m_MinSize: 10
-    m_MaxSize: 40
-    m_Alignment: 4
-    m_AlignByGeometry: 0
-    m_RichText: 1
-    m_HorizontalOverflow: 1
-    m_VerticalOverflow: 1
-    m_LineSpacing: 1
-  m_Text: <<
--- a/Assets/ProjectSettings/SimpleSceneNavigator.prefab.meta
+++ b/Assets/ProjectSettings/SimpleSceneNavigator.prefab.meta
@@ -1,7 +0,0 @@
-fileFormatVersion: 2
-guid: 46deb9632f6a14713b8460bd01e879c9
-PrefabImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
--- a/Packages/packages-lock.json
+++ b/Packages/packages-lock.json
@@ -5,7 +5,7 @@
      "depth": 0,
      "source": "git",
      "dependencies": {},
-      "hash": "7a8e5603ab8e9241c8e0f9d29da3a56dbf76ea85"
+      "hash": "c51e4514c9ab944915a639433ee52342e55a644e"
    },
    "com.coffee.nano-monitor": {
      "version": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/NanoMonitor",
@@ -14,7 +14,7 @@
      "dependencies": {
        "com.unity.ugui": "1.0.0"
      },
-      "hash": "7a8e5603ab8e9241c8e0f9d29da3a56dbf76ea85"
+      "hash": "c51e4514c9ab944915a639433ee52342e55a644e"
    },
    "com.coffee.sub-asset-editor": {
      "version": "https://github.com/mob-sakai/SubAssetEditor.git",
--- a/Packages/src/CHANGELOG.md
+++ b/Packages/src/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [5.0.0-preview.5](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v5.0.0-preview.4...v5.0.0-preview.5) (2024-07-18)
+
+
+### Features
+
+* ParticleAttractor supports multiple ParticleSystems ([e0a6381](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e0a63817e1e31b0f7c400dcdc67e255f0714273d))
+
 # [5.0.0-preview.4](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v5.0.0-preview.3...v5.0.0-preview.4) (2024-06-27)


--- a/Packages/src/Editor/UIParticleEditor.cs
+++ b/Packages/src/Editor/UIParticleEditor.cs
@@ -317,7 +317,6 @@ namespace Coffee.UIExtensions
            }
 #endif
            Profiler.EndSample();
-            EditorApplication.delayCall += () => Profiler.enabled = false;
        }

        private static bool IsBuiltInObject(Object obj)
--- a/Packages/src/README.md
+++ b/Packages/src/README.md
@@ -1,28 +1,62 @@
-# <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.
+# <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 -->

 [![](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?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.txt)  
+[![](https://img.shields.io/github/v/release/mob-sakai/ParticleEffectForUGUI)](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/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) | [🎮 Demo](#-demo) | [⚙ Installation](#-installation) | [🚀 Usage](#-usage) | [🛠 Development Note](#-development-note) | [🤝 Contributing](#-contributing) >>
+<< [📝 Description](#-description-) | [📌 Key Features](#-key-features) | [🎮 Demo](#-demo) | [⚙ Installation](#-installation) | [🔄 Upgrading to 5.x](#-upgrading-from-3x4x-to-5x) | [🚀 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)
+- [🔄 Upgrading from 3.x/4.x to 5.x](#-upgrading-from-3x4x-to-5x)
+  - [Breaking Changes](#breaking-changes)
+- [🚀 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)
+- [🛠 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>

-## 📝 Description
-
-![Demo](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

 * **Easy to use:** The package is ready to use out of the box.
 * **Sortable:** Sort particle effects and other UI elements by sibling index.
@@ -83,16 +117,16 @@ _This package requires **Unity 2018.3 or later**._
  ```
 - To update the package, use Package Manager UI (`Window > Package Manager`) or run the following command with `@{version}`:
  ```
-  openupm add com.coffee.ui-particle@4.8.0
+  openupm add com.coffee.ui-particle@4.9.0
  ```

 #### Install via UPM (with Package Manager UI)

 - Click `Window > Package Manager` to open Package Manager UI.
 - Click `+ > Add package from git URL...` and input the repository URL: `https://github.com/mob-sakai/ParticleEffectForUGUI.git`  
-  ![](https://gist.github.com/assets/12690315/24af63ed-8a2e-483d-9023-7aa53d913330)
+  ![](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#4.8.0`
+  - e.g. `https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.9.0`

 #### Install via UPM (Manually)

@@ -107,7 +141,7 @@ _This package requires **Unity 2018.3 or later**._
  ```

 - To update the package, change suffix `#{version}` to the target version.
-  - e.g. `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.8.0",`
+  - e.g. `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.9.0",`

 #### Install as Embedded Package

@@ -119,7 +153,7 @@ _This package requires **Unity 2018.3 or later**._

 <br><br>

-## ⚙ Upgrading from 3.x/4.x to 5.x
+## 🔄 Upgrading from 3.x/4.x to 5.x

 ### Breaking Changes

@@ -132,7 +166,7 @@ _This package requires **Unity 2018.3 or later**._

 ## 🚀 Usage

-### UIParticle Component
+### Component: UIParticle

 `UIParticle` controls the ParticleSystems that are attached to its own game objects and child game objects.

@@ -165,7 +199,7 @@ 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)
@@ -174,7 +208,7 @@ and z-position.

 <br>

-#### With Your Existing ParticleSystem Prefab
+### Usage 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)
@@ -183,7 +217,7 @@ and z-position.

 <br>

-#### With `Mask` or `RectMask2D` Component
+### Usage 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.
@@ -195,7 +229,7 @@ section.

 <br><br>

-### Script usage
+### Usage with Script

 ```cs
 // Instantiate ParticleSystem prefab with UIParticle on runtime.
@@ -214,14 +248,14 @@ uiParticle.Stop();

 <br><br>

-### UIParticleAttractor component
+### Component: UIParticleAttractor

 `UIParticleAttractor` attracts particles generated by the specified ParticleSystem.

 ![](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/5c20ad73-4b9a-4f38-9cdc-119df5cce077)
 ![](https://user-images.githubusercontent.com/12690315/174311027-462929a4-13f0-4ec4-86ea-9c832f2eecf1.gif)

- **Particle System**: Attracts particles generated by the specified particle system.
+- **Particle Systems**: Attracts particles generated by the specified ParticleSystems.
 - **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.
@@ -366,7 +400,7 @@ 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/RectMask2D Component
+### How to Make a Custom Shader to Support `Mask` and `RectMask2D` Component

 <details>
 <summary>Shader tips</summary>
--- a/Packages/src/Runtime/Internal/ProjectSettings/PreloadedProjectSettings.cs
+++ b/Packages/src/Runtime/Internal/ProjectSettings/PreloadedProjectSettings.cs
@@ -13,13 +13,15 @@ namespace Coffee.UIParticleInternal
 {
    public abstract class PreloadedProjectSettings : ScriptableObject
 #if UNITY_EDITOR
-        , IPreprocessBuildWithReport
    {
-        int IOrderedCallback.callbackOrder => 0;
-
-        void IPreprocessBuildWithReport.OnPreprocessBuild(BuildReport report)
+        private class PreprocessBuildWithReport : IPreprocessBuildWithReport
        {
-            Initialize();
+            int IOrderedCallback.callbackOrder => 0;
+
+            void IPreprocessBuildWithReport.OnPreprocessBuild(BuildReport report)
+            {
+                Initialize();
+            }
        }

        [InitializeOnLoadMethod]
--- a/Packages/src/Runtime/Internal/Utilities/Logging.cs
+++ b/Packages/src/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
@@ -140,6 +141,9 @@ namespace Coffee.UIParticleInternal

                switch (tag)
                {
+                    case string name:
+                        sb.Append(name);
+                        break;
                    case Type type:
                        AppendType(sb, type);
                        break;
--- a/Packages/src/Runtime/Internal/Utilities/ObjectRepository.cs
+++ b/Packages/src/Runtime/Internal/Utilities/ObjectRepository.cs
@@ -8,10 +8,11 @@ namespace Coffee.UIParticleInternal
 {
    internal class ObjectRepository<T> where T : Object
    {
-        private readonly List<Entry> _cache = new List<Entry>();
+        private readonly Dictionary<Hash128, Entry> _cache = new Dictionary<Hash128, Entry>(8);
+        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>();
+        private readonly Stack<Entry> _pool = new Stack<Entry>(8);

        public ObjectRepository(Action<T> onRelease = null)
        {
@@ -36,40 +37,33 @@ namespace Coffee.UIParticleInternal
            {
                _onRelease = onRelease;
            }
+
+            for (var i = 0; i < 8; i++)
+            {
+                _pool.Push(new Entry());
+            }
        }

        public int count => _cache.Count;

        public void Clear()
        {
-            for (var i = 0; i < _cache.Count; i++)
+            foreach (var kv in _cache)
            {
-                var entry = _cache[i];
+                var entry = kv.Value;
                if (entry == null) continue;

                entry.Release(_onRelease);
+                _pool.Push(entry);
            }

            _cache.Clear();
+            _objectKey.Clear();
        }

        public bool Valid(Hash128 hash, T 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;
+            return _cache.TryGetValue(hash, out var entry) && entry.storedObject == obj;
        }

        /// <summary>
@@ -77,41 +71,8 @@ namespace Coffee.UIParticleInternal
        /// </summary>
        public void Get(Hash128 hash, ref T obj, Func<T> onCreate)
        {
-            // Find existing entry.
-            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();
+            if (GetFromCache(hash, ref obj)) return;
+            Add(hash, ref obj, onCreate());
        }

        /// <summary>
@@ -119,40 +80,60 @@ namespace Coffee.UIParticleInternal
        /// </summary>
        public void Get<TS>(Hash128 hash, ref T obj, Func<TS, T> onCreate, TS source)
        {
-            // Find existing entry.
-            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;
+            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");
+            if (_cache.TryGetValue(hash, out var entry))
+            {
+                if (!entry.storedObject)
+                {
+                    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(#{count}): {entry}");
+                    Logging.Log(_name, $"Get(total#{count}): {entry}");
                }

                Profiler.EndSample();
-                return;
+                return true;
            }

            Profiler.EndSample();
+            return false;
+        }

-            // Create new entry.
-            Profiler.BeginSample("(COF)[ObjectRepository] Get > Create new entry");
+        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.BeginSample("(COF)[ObjectRepository] Add");
            var newEntry = 0 < _pool.Count ? _pool.Pop() : new Entry();
-            newEntry.storedObject = onCreate(source);
+            newEntry.storedObject = newObject;
            newEntry.hash = hash;
            newEntry.reference = 1;
-            _cache.Add(newEntry);
-            Logging.Log(_name, $"Get(#{count}): {newEntry}");
-
+            _cache[hash] = newEntry;
+            _objectKey[newObject.GetInstanceID()] = hash;
+            Logging.Log(_name, $"<color=#03c700>Add</color>(total#{count}): {newEntry}");
            Release(ref obj);
-            obj = newEntry.storedObject;
+            obj = newObject;
            Profiler.EndSample();
        }

@@ -163,35 +144,45 @@ namespace Coffee.UIParticleInternal
        {
            if (ReferenceEquals(obj, null)) return;

+            // Find and release the entry.
            Profiler.BeginSample("(COF)[ObjectRepository] Release");
-            for (var i = 0; i < _cache.Count; i++)
+            var id = obj.GetInstanceID();
+            if (_objectKey.TryGetValue(id, out var hash)
+                && _cache.TryGetValue(hash, out var entry))
            {
-                var entry = _cache[i];
-
-                if (entry.storedObject != obj)
+                entry.reference--;
+                if (entry.reference <= 0 || !entry.storedObject)
                {
-                    continue;
+                    Remove(entry);
                }
-
-                if (--entry.reference <= 0)
+                else
                {
-                    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;
+                    Logging.Log(_name, $"Release(total#{_cache.Count}): {entry}");
                }
-
-                Logging.Log(_name, $"Release(#{count}): {entry}");
-                break;
+            }
+            else
+            {
+                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;
@@ -211,7 +202,7 @@ namespace Coffee.UIParticleInternal

            public override string ToString()
            {
-                return $"h{(uint)hash.GetHashCode()} (#{reference}), {storedObject}";
+                return $"h{(uint)hash.GetHashCode()} (refs#{reference}), {storedObject}";
            }
        }
    }
--- a/Packages/src/Runtime/UIParticleAttractor.cs
+++ b/Packages/src/Runtime/UIParticleAttractor.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using Coffee.UIParticleInternal;
 using UnityEngine;
 using UnityEngine.Events;
@@ -6,7 +7,7 @@ using UnityEngine.Events;
 namespace Coffee.UIExtensions
 {
    [ExecuteAlways]
-    public class UIParticleAttractor : MonoBehaviour
+    public class UIParticleAttractor : MonoBehaviour, ISerializationCallbackReceiver
    {
        public enum Movement
        {
@@ -22,8 +23,12 @@ 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;
@@ -45,7 +50,7 @@ namespace Coffee.UIExtensions
        [SerializeField]
        private UnityEvent m_OnAttracted;

-        private UIParticle _uiParticle;
+        private List<UIParticle> _uiParticles = new List<UIParticle>();

        public float destinationRadius
        {
@@ -84,25 +89,46 @@ namespace Coffee.UIExtensions
        }

        /// <summary>
-        /// The target ParticleSystem to attract.
+        /// The target ParticleSystems to attract. Use <see cref="AddParticleSystem"/> and
+        /// <see cref="RemoveParticleSystem"/> to modify the list.
        /// </summary>
-#if UNITY_EDITOR
-        public new ParticleSystem particleSystem
-#else
-        public ParticleSystem particleSystem
-#endif
+        public IReadOnlyList<ParticleSystem> particleSystems => m_ParticleSystems;
+
+        public void AddParticleSystem(ParticleSystem ps)
        {
-            get => m_ParticleSystem;
-            set
+            if (m_ParticleSystems == null)
            {
-                m_ParticleSystem = value;
-                ApplyParticleSystem();
+                m_ParticleSystems = new List<ParticleSystem>();
            }
+
+            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);
        }

@@ -113,85 +139,96 @@ namespace Coffee.UIExtensions

        private void OnDestroy()
        {
-            _uiParticle = null;
-            m_ParticleSystem = null;
+            _uiParticles = null;
+            m_ParticleSystems = null;
        }

        internal void Attract()
        {
-            if (m_ParticleSystem == null) return;
+            // Collect UIParticle if needed (same size as m_ParticleSystems)
+            CollectUIParticlesIfNeeded();

-            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++)
+            for (var particleIndex = 0; particleIndex < this.m_ParticleSystems.Count; particleIndex++)
            {
-                // Attracted
-                var p = particles[i];
-                if (0f < p.remainingLifetime && Vector3.Distance(p.position, dstPos) < m_DestinationRadius)
-                {
-                    p.remainingLifetime = 0f;
-                    particles[i] = p;
+                var particleSystem = m_ParticleSystems[particleIndex];

-                    if (m_OnAttracted != null)
+                // Skip: The ParticleSystem is not active
+                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 = this.GetDestinationPosition(uiParticle, particleSystem);
+                for (var i = 0; i < count; i++)
+                {
+                    // Attracted
+                    var p = particles[i];
+                    if (0f < p.remainingLifetime && Vector3.Distance(p.position, dstPos) < this.m_DestinationRadius)
                    {
-                        try
+                        p.remainingLifetime = 0f;
+                        particles[i] = p;
+
+                        if (this.m_OnAttracted != null)
                        {
-                            m_OnAttracted.Invoke();
-                        }
-                        catch (Exception e)
-                        {
-                            Debug.LogException(e);
+                            try
+                            {
+                                this.m_OnAttracted.Invoke();
+                            }
+                            catch (Exception e)
+                            {
+                                Debug.LogException(e);
+                            }
                        }
+
+                        continue;
                    }

-                    continue;
+                    // Calc attracting time
+                    var delayTime = p.startLifetime * this.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 = this.GetAttractedPosition(p.position, dstPos, duration, time);
+                    p.velocity *= 0.5f;
+                    particles[i] = p;
                }

-                // 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;
+                particleSystem.SetParticles(particles, count);
            }
-
-            m_ParticleSystem.SetParticles(particles, count);
        }

-        private Vector3 GetDestinationPosition()
+        private Vector3 GetDestinationPosition(UIParticle uiParticle, ParticleSystem particleSystem)
        {
-            var isUI = _uiParticle && _uiParticle.enabled;
-            var psPos = m_ParticleSystem.transform.position;
+            var isUI = uiParticle && uiParticle.enabled;
+            var psPos = particleSystem.transform.position;
            var attractorPos = transform.position;
            var dstPos = attractorPos;
-            var isLocalSpace = m_ParticleSystem.IsLocalSpace();
+            var isLocalSpace = particleSystem.IsLocalSpace();

            if (isLocalSpace)
            {
-                dstPos = m_ParticleSystem.transform.InverseTransformPoint(dstPos);
+                dstPos = particleSystem.transform.InverseTransformPoint(dstPos);
            }

            if (isUI)
            {
-                var inverseScale = _uiParticle.parentScale.Inverse();
-                var scale3d = _uiParticle.scale3DForCalc;
+                var inverseScale = uiParticle.parentScale.Inverse();
+                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;
@@ -237,25 +274,59 @@ namespace Coffee.UIExtensions
            return Vector3.MoveTowards(current, target, speed);
        }

-        private void ApplyParticleSystem()
+        private void CollectUIParticlesIfNeeded()
        {
-            _uiParticle = null;
-            if (m_ParticleSystem == null)
-            {
-#if UNITY_EDITOR
-                if (Application.isPlaying)
-#endif
-                {
-                    Debug.LogError("No particle system attached to particle attractor script", this);
-                }
+            if (m_ParticleSystems.Count == 0 || _uiParticles.Count != 0) return;

-                return;
+            // Expand capacity
+            if (_uiParticles.Capacity < m_ParticleSystems.Capacity)
+            {
+                _uiParticles.Capacity = m_ParticleSystems.Capacity;
            }

-            _uiParticle = m_ParticleSystem.GetComponentInParent<UIParticle>(true);
-            if (_uiParticle && !_uiParticle.particles.Contains(m_ParticleSystem))
+            // Find UIParticle that controls the ParticleSystem
+            for (var i = 0; i < m_ParticleSystems.Count; i++)
            {
-                _uiParticle = null;
+                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()
+        {
+            _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);
+                }
+
+                m_ParticleSystem = null;
+                Debug.Log($"Upgraded!");
            }
        }
    }
--- a/Packages/src/Samples~/Demo/Scripts/UIParticle_Demo.cs
+++ b/Packages/src/Samples~/Demo/Scripts/UIParticle_Demo.cs
@@ -51,7 +51,11 @@ namespace Coffee.UIExtensions.Demo

        public void EnableAnimations(bool flag)
        {
+#if UNITY_2023_1_OR_NEWER
+            foreach (var animator in FindObjectsByType<Animator>(FindObjectsInactive.Include, FindObjectsSortMode.None))
+#else
            foreach (var animator in FindObjectsOfType<Animator>())
+#endif
            {
                animator.enabled = flag;
            }
@@ -79,7 +83,11 @@ namespace Coffee.UIExtensions.Demo

        public void UIParticle_Scale(float scale)
        {
+#if UNITY_2023_1_OR_NEWER
+            foreach (var uip in FindObjectsByType<UIParticle>(FindObjectsInactive.Include, FindObjectsSortMode.None))
+#else
            foreach (var uip in FindObjectsOfType<UIParticle>())
+#endif
            {
                uip.scale = scale;
            }
@@ -87,7 +95,11 @@ namespace Coffee.UIExtensions.Demo

        public void ParticleSystem_WorldSpaseSimulation(bool flag)
        {
+#if UNITY_2023_1_OR_NEWER
+            foreach (var p in FindObjectsByType<ParticleSystem>(FindObjectsInactive.Include, FindObjectsSortMode.None))
+#else
            foreach (var p in FindObjectsOfType<ParticleSystem>())
+#endif
            {
                var main = p.main;
                main.simulationSpace = flag
@@ -123,7 +135,11 @@ namespace Coffee.UIExtensions.Demo

        public void ParticleSystem_SetScale(float scale)
        {
+#if UNITY_2023_1_OR_NEWER
+            foreach (var ps in FindObjectsByType<ParticleSystem>(FindObjectsInactive.Include, FindObjectsSortMode.None))
+#else
            foreach (var ps in FindObjectsOfType<ParticleSystem>())
+#endif
            {
                ps.transform.localScale = new Vector3(scale, scale, scale);
            }
--- a/Packages/src/Samples~/Demo/Sprites/UIParticle_Demo_Light_Frame.png.meta
+++ b/Packages/src/Samples~/Demo/Sprites/UIParticle_Demo_Light_Frame.png.meta
@@ -42,12 +42,12 @@ TextureImporter:
  compressionQuality: 50
  spriteMode: 1
  spriteExtrude: 1
-  spriteMeshType: 1
+  spriteMeshType: 0
  alignment: 0
  spritePivot: {x: 0.5, y: 0.5}
  spritePixelsToUnits: 100
  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
-  spriteGenerateFallbackPhysicsShape: 1
+  spriteGenerateFallbackPhysicsShape: 0
  alphaUsage: 1
  alphaIsTransparency: 1
  spriteTessellationDetail: -1
--- a/Packages/src/Samples~/Demo/Sprites/UIParticle_Demo_Move.png.meta
+++ b/Packages/src/Samples~/Demo/Sprites/UIParticle_Demo_Move.png.meta
@@ -27,7 +27,7 @@ TextureImporter:
  generateCubemap: 6
  cubemapConvolution: 0
  seamlessCubemap: 0
-  textureFormat: 1
+  textureFormat: 4
  maxTextureSize: 2048
  textureSettings:
    serializedVersion: 2
@@ -42,12 +42,12 @@ TextureImporter:
  compressionQuality: 50
  spriteMode: 1
  spriteExtrude: 1
-  spriteMeshType: 1
+  spriteMeshType: 0
  alignment: 0
  spritePivot: {x: 0.5, y: 0.5}
  spritePixelsToUnits: 100
  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
-  spriteGenerateFallbackPhysicsShape: 1
+  spriteGenerateFallbackPhysicsShape: 0
  alphaUsage: 1
  alphaIsTransparency: 1
  spriteTessellationDetail: -1
--- a/Packages/src/Samples~/Demo/Sprites/UIParticle_Demo_Star.png.meta
+++ b/Packages/src/Samples~/Demo/Sprites/UIParticle_Demo_Star.png.meta
@@ -42,12 +42,12 @@ TextureImporter:
  compressionQuality: 50
  spriteMode: 1
  spriteExtrude: 1
-  spriteMeshType: 1
+  spriteMeshType: 0
  alignment: 0
  spritePivot: {x: 0.5, y: 0.5}
  spritePixelsToUnits: 100
  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
-  spriteGenerateFallbackPhysicsShape: 1
+  spriteGenerateFallbackPhysicsShape: 0
  alphaUsage: 0
  alphaIsTransparency: 1
  spriteTessellationDetail: -1
--- a/Packages/src/Samples~/Demo/Sprites/UIParticle_Demo_Unity-chan.png.meta
+++ b/Packages/src/Samples~/Demo/Sprites/UIParticle_Demo_Unity-chan.png.meta
@@ -27,7 +27,7 @@ TextureImporter:
  generateCubemap: 6
  cubemapConvolution: 0
  seamlessCubemap: 0
-  textureFormat: -1
+  textureFormat: 4
  maxTextureSize: 2048
  textureSettings:
    serializedVersion: 2
@@ -42,12 +42,12 @@ TextureImporter:
  compressionQuality: 50
  spriteMode: 1
  spriteExtrude: 1
-  spriteMeshType: 1
+  spriteMeshType: 0
  alignment: 0
  spritePivot: {x: 0.5, y: 0.5}
  spritePixelsToUnits: 100
  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
-  spriteGenerateFallbackPhysicsShape: 1
+  spriteGenerateFallbackPhysicsShape: 0
  alphaUsage: 1
  alphaIsTransparency: 1
  spriteTessellationDetail: -1
--- a/Packages/src/package.json
+++ b/Packages/src/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": "5.0.0-preview.4",
+  "version": "5.0.0-preview.5",
  "unity": "2018.2",
  "license": "MIT",
  "repository": {
--- a/ProjectSettings/ProjectSettings.asset
+++ b/ProjectSettings/ProjectSettings.asset
@@ -520,7 +520,7 @@ PlayerSettings:
  webGLTemplate: APPLICATION:Default
  webGLAnalyzeBuildSize: 0
  webGLUseEmbeddedResources: 0
-  webGLCompressionFormat: 1
+  webGLCompressionFormat: 2
  webGLLinkerTarget: 0
  webGLThreadsSupport: 0
  scriptingDefineSymbols:
Author	SHA1	Message	Date
semantic-release-bot	4a1848d94f	chore(release): 5.0.0-preview.5 [skip ci] # [5.0.0-preview.5](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v5.0.0-preview.4...v5.0.0-preview.5) (2024-07-18) ### Features * ParticleAttractor supports multiple ParticleSystems ([`e0a6381`](`e0a63817e1`))	2024-07-18 06:06:22 +00:00
mob-sakai	e0a63817e1	feat: ParticleAttractor supports multiple ParticleSystems	2024-07-18 14:30:15 +09:00
mob-sakai	060e50faa5	docs: update readme	2024-07-18 14:29:59 +09:00
mob-sakai	8f1013085a	update coffee.internal	2024-07-18 14:29:49 +09:00
mob-sakai	626e24b04b	demos: update demos	2024-07-18 14:29:34 +09:00