update demo

- enableLinearToGamma: Enables LinearToGamma during mesh baking

.github/workflows/release.yml

@@ -1,12 +1,12 @@
 name: 🔖 Release
-run-name: 🔖 Release (${{ github.ref_name }})
 
 on:
   workflow_dispatch:
   push:
     branches:
       - release
-      - release-*
+      - release-preview
+      - release-v4
     tags-ignore:
       - "**"
 
@@ -38,7 +38,7 @@ jobs:
             @semantic-release/changelog
             @semantic-release/git
         env:
-          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
+          GITHUB_TOKEN: ${{ github.token }}
 
       - id: summary
         run: |
@@ -50,12 +50,14 @@ jobs:
           if [ '${{ steps.release.outputs.new_release_published }}' = 'false' ]; then
             echo "No new release published." | tee -a $GITHUB_STEP_SUMMARY
           elif [ '${{ github.ref_name }}' = 'release' ]; then
-            echo "merge_to=develop" | tee -a $GITHUB_OUTPUT $GITHUB_STEP_SUMMARY
+            echo "merge_to=develop" | tee -a $GITHUB_OUTPUT
-            echo "split_to=main" | tee -a $GITHUB_OUTPUT $GITHUB_STEP_SUMMARY
+            echo "split_to=main" | tee -a $GITHUB_OUTPUT
-          else
+          elif [ '${{ github.ref_name }}' = 'release-preview' ]; then
-            channel=$(echo ${{ github.ref_name }} | sed 's/^release-//')
+            echo "merge_to=develop-preview" | tee -a $GITHUB_OUTPUT
-            echo "merge_to=develop-${channel}" | tee -a $GITHUB_OUTPUT $GITHUB_STEP_SUMMARY
+            echo "split_to=preview" | tee -a $GITHUB_OUTPUT
-            echo "split_to=${channel}" | tee -a $GITHUB_OUTPUT $GITHUB_STEP_SUMMARY
+          elif [ '${{ github.ref_name }}' = 'release-4.x' ]; then
+            echo "merge_to=develop-4.x" | tee -a $GITHUB_OUTPUT
+            echo "split_to=4.x" | tee -a $GITHUB_OUTPUT
           fi
 
   merge-to:

.github/workflows/test.yml

@@ -3,36 +3,28 @@
 #   UNITY_EMAIL: Unity user email to login
 #   UNITY_PASSWORD: Unity user password to login
 name: 🧪 Test
-run-name: 🧪 Test (${{ github.event.pull_request.title || github.ref_name }})
 
 env:
   # MINIMUM_VERSION: The minimum version of Unity.
   MINIMUM_VERSION: 2019.4
   # EXCLUDE_FILTER: The excluded versions of Unity.
-  EXCLUDE_FILTER: "(2020.2.0|2021.1|2023.3)"
+  EXCLUDE_FILTER: '(2020.2.0)'
 
 on:
   workflow_dispatch:
-    inputs:
-      usePeriodVersions:
-        description: "Use the period versions (.0f1, .10f1, 20f1, ...)."
-        required: false
-        default: "true"
   push:
     branches:
       - develop
       - develop-preview
+      - develop-4.x
     tags:
       - "!*"
     paths-ignore:
-      - "**.md"
+      - "*.md"
-  pull_request_target:
+  pull_request:
     types:
       - opened
-      - reopened
       - synchronize
-    paths-ignore:
-      - "**.md"
 
 jobs:
   setup:
@@ -45,12 +37,9 @@ jobs:
         id: setup
         run: |
           echo "==== Target Unity Versions ===="
-          LATEST_VERSIONS=`npx unity-changeset@latest list --versions --latest-patch --min ${MINIMUM_VERSION} --json --all`
+          LATEST_VERSIONS=`npx unity-changeset list --versions --latest-patch --min ${MINIMUM_VERSION} --json --all`
-          if [ "${{ inputs.usePeriodVersions }}" = "true" ]; then
+          # ADDITIONAL_VERSIONS=`npx unity-changeset list --versions --grep '0f' --min ${MINIMUM_VERSION} --json`
-            ADDITIONAL_VERSIONS=`npx unity-changeset list --versions --grep '0f' --min ${MINIMUM_VERSION} --json`
+          ADDITIONAL_VERSIONS=[]
-          else
-            ADDITIONAL_VERSIONS=[]
-          fi
 
           VERSIONS=`echo "[${LATEST_VERSIONS}, ${ADDITIONAL_VERSIONS}]" \
             | jq -c '[ flatten | sort | unique | .[] | select( test("${{ env.EXCLUDE_FILTER }}") | not ) ]'`
@@ -59,44 +48,33 @@ jobs:
   test:
     name: 🧪 Run tests
     runs-on: ubuntu-latest
+    env:
+      UNITY_EMAIL: ${{ secrets.UNITY_EMAIL }}
+      UNITY_PASSWORD: ${{ secrets.UNITY_PASSWORD }}
+      UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}
     permissions:
       checks: write
       contents: read
     needs: setup
     strategy:
       fail-fast: false
-      max-parallel: 6
+      max-parallel: 4
       matrix:
         unityVersion: ${{ fromJson(needs.setup.outputs.unityVersions) }}
     steps:
-      - name: 🚚 Checkout ($${{ github.ref }})
+      - name: 🚚 Checkout
-        if: github.event_name == 'push'
         uses: actions/checkout@v4
 
-      - name: 🚚 Checkout pull request (pull_request_target)
-        if: github.event_name == 'pull_request_target'
-        uses: actions/checkout@v4
-        with:
-          ref: ${{ github.event.pull_request.head.sha }}
-          fetch-depth: 0
-
-      - name: 🚚 Marge pull request (pull_request_target)
-        if: github.event_name == 'pull_request_target'
-        run: |
-          git config user.name "GitHub Actions"
-          git config user.email "actions@github.com"
-          git merge origin/${{ github.event.pull_request.base.ref }} --no-edit
-
       - name: 📥 Cache library
         uses: actions/cache@v4
         with:
           path: Library
-          key: Library-${{ matrix.unityVersion }}-${{ github.event.pull_request.head.sha || github.sha }}
+          key: Library-${{ matrix.unityVersion }}-${{ github.sha }}
           restore-keys: |
             Library-${{ matrix.unityVersion }}-
             Library-
 
-      - name: 🛠️ Build Unity Project (Test)
+      - name: 🛠️ Build Unity Project
         uses: game-ci/unity-builder@v4
         timeout-minutes: 45
         with:
@@ -104,10 +82,6 @@ jobs:
           targetPlatform: StandaloneLinux64
           allowDirtyBuild: true
           customParameters: -nographics
-        env:
-          UNITY_EMAIL: ${{ secrets.UNITY_EMAIL }}
-          UNITY_PASSWORD: ${{ secrets.UNITY_PASSWORD }}
-          UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}
 
       - name: 🧪 Run tests
         uses: game-ci/unity-test-runner@v4
@@ -118,7 +92,4 @@ jobs:
           customParameters: -nographics
           checkName: ${{ matrix.unityVersion }} Test Results
           githubToken: ${{ github.token }}
-        env:
+          coverageOptions: "dontClear;generateHtmlReport;generateBadgeReport;pathFilters:+**/Packages/src/**;assemblyFilters:+<packages>,-*.Editor,-*.Test"
-          UNITY_EMAIL: ${{ secrets.UNITY_EMAIL }}
-          UNITY_PASSWORD: ${{ secrets.UNITY_PASSWORD }}
-          UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}

Assets/Demo/Cartoon FX & War FX Demo/CFXRF Demo.unity.meta

@@ -1,4 +0,0 @@
-fileFormatVersion: 2
-guid: e34a092899a9547189add96707de1b5a
-DefaultImporter:
-  userData: 

Assets/Demo/Cartoon FX & War FX Demo/CFX_Demo_With_UIParticle.cs

@@ -80,11 +80,7 @@ namespace Coffee.UIExtensions.Demo
                 .SelectMany(x => x.GetTypes())
                 .FirstOrDefault(x => x.Name == typeName);
 
-#if UNITY_2023_2_OR_NEWER
-            return type == null ? null : FindFirstObjectByType(type);
-#else
             return type == null ? null : FindObjectOfType(type);
-#endif
         }
 
         public void SetCanvasWidth(int width)

Assets/Demo/Performance Demo/Scripts/UIParticle_PerformanceDemo.cs

@@ -1,4 +1,3 @@
-using Coffee.UIParticleInternal;
 using UnityEngine;
 using UnityEngine.Serialization;
 
@@ -47,7 +46,11 @@ namespace Coffee.UIExtensions.Demo
 
             if (!flag)
             {
-                foreach (var ps in Misc.FindObjectsOfType<ParticleSystem>())
+#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);
                 }
@@ -76,7 +79,11 @@ namespace Coffee.UIExtensions.Demo
 
         public void ParticleSystem_SetScale(float scale)
         {
-            foreach (var ps in Misc.FindObjectsOfType<ParticleSystem>())
+#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);
             }

Assets/ProjectSettings/UIParticle.asset

@@ -12,5 +12,4 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: f22a23b9d98e440478697f4adf30e61c, type: 3}
   m_Name: UIParticle
   m_EditorClassIdentifier: 
-  m_EnableLinearToGamma: 1
+  m_LinearToGamma: 1
-  m_HideGeneratedObjects: 1

Assets/ProjectSettings/UIParticle.asset.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 4b9df7b8a4193489299b8f477348ae0c
+guid: e8e7744b163af4869b07b8f192c810ed
 NativeFormatImporter:
   externalObjects: {}
   mainObjectFileID: 11400000

Packages/manifest.json

@@ -1,9 +1,9 @@
 {
   "dependencies": {
-    "com.coffee.development": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/Development",
-    "com.coffee.minimal-resource": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/MinimalResource",
-    "com.coffee.nano-monitor": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/NanoMonitor",
     "com.unity.ide.rider": "3.0.31",
+    "com.coffee.development": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/Development",
+    "com.coffee.nano-monitor": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/NanoMonitor",
+    "com.coffee.sub-asset-editor": "https://github.com/mob-sakai/SubAssetEditor.git",
     "com.unity.test-framework": "1.1.33",
     "com.unity.modules.animation": "1.0.0",
     "com.unity.modules.physics": "1.0.0"

Packages/packages-lock.json

@@ -5,14 +5,7 @@
       "depth": 0,
       "source": "git",
       "dependencies": {},
-      "hash": "52987fb6e66e7fc48498d8d164c3c8808de4de6b"
+      "hash": "c51e4514c9ab944915a639433ee52342e55a644e"
-    },
-    "com.coffee.minimal-resource": {
-      "version": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/MinimalResource",
-      "depth": 0,
-      "source": "git",
-      "dependencies": {},
-      "hash": "52987fb6e66e7fc48498d8d164c3c8808de4de6b"
     },
     "com.coffee.nano-monitor": {
       "version": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/NanoMonitor",
@@ -21,7 +14,14 @@
       "dependencies": {
         "com.unity.ugui": "1.0.0"
       },
-      "hash": "52987fb6e66e7fc48498d8d164c3c8808de4de6b"
+      "hash": "c51e4514c9ab944915a639433ee52342e55a644e"
+    },
+    "com.coffee.sub-asset-editor": {
+      "version": "https://github.com/mob-sakai/SubAssetEditor.git",
+      "depth": 0,
+      "source": "git",
+      "dependencies": {},
+      "hash": "01464178eec1e4dbe741c11c9baeb94a151c99ee"
     },
     "com.coffee.ui-particle": {
       "version": "file:src",

Packages/src/CHANGELOG.md

@@ -1,65 +1,3 @@
-## [4.10.6](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.5...v4.10.6) (2025-01-03)
-
-
-### Bug Fixes
-
-* sub-emitter particles may not render correctly in certain scenarios ([8276684](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8276684c3b1646f0490ed64557547ba15281664a)), closes [#348](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/348)
-* sub-emitter's `inherit velocity` module doubles at runtime ([67de3d1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/67de3d1bd3e16dc9b564625cb990c53d75769506)), closes [#349](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/349)
-
-## [4.10.5](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.4...v4.10.5) (2024-12-23)
-
-
-### Bug Fixes
-
-* '3D' scale toggle in the inspector does not keep on reload ([934f4b8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/934f4b8f1c61f8ff20228d0ebcea9f636a3758ed)), closes [#346](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/346)
-
-## [4.10.4](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.3...v4.10.4) (2024-12-19)
-
-
-### Bug Fixes
-
-* rendering issues when playing with opening a prefab stage ([95235a9](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/95235a929b82cf681365ed6eba837d857f83e3d2)), closes [#345](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/345)
-
-## [4.10.3](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.2...v4.10.3) (2024-11-20)
-
-
-### 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)
-
-## [4.10.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.1...v4.10.2) (2024-11-01)
-
-
-### Bug Fixes
-
-* 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))
-
-## [4.9.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.9.0...v4.9.1) (2024-08-07)
-
-
-### 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)
 
 

Packages/src/Editor/UIParticleEditor.cs

@@ -2,19 +2,20 @@ 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;
 
@@ -26,13 +27,8 @@ namespace Coffee.UIExtensions
 {
     [CustomEditor(typeof(UIParticle))]
     [CanEditMultipleObjects]
-    internal class UIParticleEditor : GraphicEditor
+    internal class UIParticleEditor : Editor
     {
-        internal class State : ScriptableSingleton<State>
-        {
-            public bool is3DScaleMode;
-        }
-
         //################################
         // Constant or Static Members.
         //################################
@@ -51,6 +47,7 @@ namespace Coffee.UIExtensions
         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;
         private SerializedProperty _scale3D;
@@ -64,7 +61,6 @@ namespace Coffee.UIExtensions
         private SerializedProperty _customViewSize;
         private ReorderableList _ro;
         private bool _showMax;
-        private bool _is3DScaleMode;
 
         private static readonly HashSet<Shader> s_Shaders = new HashSet<Shader>();
 #if UNITY_2018 || UNITY_2019
@@ -86,10 +82,8 @@ 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");
@@ -168,19 +162,6 @@ namespace Coffee.UIExtensions
                     uip.RefreshParticles(uip.particles);
                 }
             }
-
-            // Initialize 3D scale mode.
-            _is3DScaleMode = State.instance.is3DScaleMode;
-            if (!_is3DScaleMode)
-            {
-                var x = _scale3D.FindPropertyRelative("x");
-                var y = _scale3D.FindPropertyRelative("y");
-                var z = _scale3D.FindPropertyRelative("z");
-                _is3DScaleMode = !Mathf.Approximately(x.floatValue, y.floatValue) ||
-                                 !Mathf.Approximately(y.floatValue, z.floatValue) ||
-                                 y.hasMultipleDifferentValues ||
-                                 z.hasMultipleDifferentValues;
-            }
         }
 
         /// <summary>
@@ -199,11 +180,7 @@ namespace Coffee.UIExtensions
 
             // Scale
             EditorGUI.BeginDisabledGroup(!_meshSharing.hasMultipleDifferentValues && _meshSharing.intValue == 4);
-            if (DrawFloatOrVector3Field(_scale3D, _is3DScaleMode) != _is3DScaleMode)
+            s_XYZMode = DrawFloatOrVector3Field(_scale3D, s_XYZMode);
-            {
-                State.instance.is3DScaleMode = _is3DScaleMode = !_is3DScaleMode;
-            }
-
             EditorGUI.EndDisabledGroup();
 
             // AnimatableProperties
@@ -459,9 +436,7 @@ 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();

Packages/src/README.md

@@ -11,7 +11,7 @@
 [![](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-) | [📌 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 -->
 
@@ -27,6 +27,8 @@ You can render, mask, and sort your `ParticleSystems` for UI without the need fo
     - [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)
@@ -34,7 +36,6 @@ You can render, mask, and sort your `ParticleSystems` for UI without the need fo
   - [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)
@@ -152,6 +153,17 @@ _This package requires **Unity 2018.3 or later**._
 
 <br><br>
 
+## 🔄 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`.
+- Add project settings for UIParticle
+  - enableLinearToGamma: Enables LinearToGamma during mesh baking
+
+<br><br>
+
 ## 🚀 Usage
 
 ### Component: UIParticle
@@ -257,14 +269,6 @@ 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

Packages/src/Runtime/Coffee.UIParticle.R.dll.meta

@@ -1,33 +0,0 @@
-fileFormatVersion: 2
-guid: 4d73b3825bf044d418ae21bb331d3902
-PluginImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  iconMap: {}
-  executionOrder: {}
-  defineConstraints: []
-  isPreloaded: 0
-  isOverridable: 1
-  isExplicitlyReferenced: 0
-  validateReferences: 1
-  platformData:
-  - first:
-      Any: 
-    second:
-      enabled: 1
-      settings: {}
-  - first:
-      Editor: Editor
-    second:
-      enabled: 0
-      settings:
-        DefaultValueInitialized: true
-  - first:
-      Windows Store Apps: WindowsStoreApps
-    second:
-      enabled: 0
-      settings:
-        CPU: AnyCPU
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Packages/src/Runtime/Internal/Extensions/ComponentExtensions.cs

@@ -18,10 +18,10 @@ namespace Coffee.UIParticleInternal
         public static T[] GetComponentsInChildren<T>(this Component self, int depth)
             where T : Component
         {
-            var results = InternalListPool<T>.Rent();
+            var results = ListPool<T>.Rent();
             self.GetComponentsInChildren_Internal(results, depth);
             var array = results.ToArray();
-            InternalListPool<T>.Return(ref results);
+            ListPool<T>.Return(ref results);
             return array;
         }
 
@@ -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
         {

Packages/src/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);
+        }
+    }
+}

Packages/src/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: 

Packages/src/Runtime/Internal/Extensions/Misc.cs

@@ -1,27 +1,11 @@
-using System;
 using System.Diagnostics;
 using UnityEditor;
 using UnityEngine;
-using Object = UnityEngine.Object;
-#if UNITY_EDITOR && UNITY_2021_2_OR_NEWER
-using UnityEditor.SceneManagement;
-#elif UNITY_EDITOR
-using UnityEditor.Experimental.SceneManagement;
-#endif
 
 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;
@@ -60,17 +44,5 @@ namespace Coffee.UIParticleInternal
             EditorUtility.SetDirty(obj);
 #endif
         }
-
-#if UNITY_EDITOR
-        public static T[] GetAllComponentsInPrefabStage<T>() where T : Component
-        {
-            var prefabStage = PrefabStageUtility.GetCurrentPrefabStage();
-            if (prefabStage == null) return Array.Empty<T>();
-
-            return prefabStage.prefabContentsRoot.GetComponentsInChildren<T>(true);
-        }
-
-        public static bool isBatchOrBuilding => Application.isBatchMode || BuildPipeline.isBuildingPlayer;
-#endif
     }
 }

Packages/src/Runtime/Internal/Extensions/Misc.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 182319ecc315e4858b119764af0fbcb0
+guid: 39ed6a6b0a72e482488bd298b2ae762e
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Packages/src/Runtime/Internal/Extensions/SpriteExtensions.cs

@@ -17,15 +17,11 @@ namespace Coffee.UIParticleInternal
             Type.GetType("UnityEditor.Experimental.U2D.SpriteEditorExtension, UnityEditor")
             ?? Type.GetType("UnityEditor.U2D.SpriteEditorExtension, UnityEditor");
 
-        private static readonly Func<Sprite, Texture2D> s_GetActiveAtlasTextureMethod =
+        private static readonly MethodInfo s_GetActiveAtlasTextureMethod = s_SpriteEditorExtensionType
-            (Func<Sprite, Texture2D>)Delegate.CreateDelegate(typeof(Func<Sprite, Texture2D>),
+            .GetMethod("GetActiveAtlasTexture", BindingFlags.Static | BindingFlags.NonPublic);
-                s_SpriteEditorExtensionType
-                    .GetMethod("GetActiveAtlasTexture", BindingFlags.Static | BindingFlags.NonPublic));
 
-        private static readonly Func<Sprite, SpriteAtlas> s_GetActiveAtlasMethod =
+        private static readonly MethodInfo s_GetActiveAtlasMethod = s_SpriteEditorExtensionType
-            (Func<Sprite, SpriteAtlas>)Delegate.CreateDelegate(typeof(Func<Sprite, SpriteAtlas>),
+            .GetMethod("GetActiveAtlas", BindingFlags.Static | BindingFlags.NonPublic);
-                s_SpriteEditorExtensionType
-                    .GetMethod("GetActiveAtlas", BindingFlags.Static | BindingFlags.NonPublic));
 
         /// <summary>
         /// Get the actual texture of a sprite in play mode or edit mode.
@@ -34,7 +30,9 @@ namespace Coffee.UIParticleInternal
         {
             if (!self) return null;
 
-            var ret = s_GetActiveAtlasTextureMethod(self);
+            if (Application.isPlaying) return self.texture;
+
+            var ret = s_GetActiveAtlasTextureMethod.Invoke(null, new object[] { self }) as Texture2D;
             return ret ? ret : self.texture;
         }
 
@@ -45,7 +43,7 @@ namespace Coffee.UIParticleInternal
         {
             if (!self) return null;
 
-            return s_GetActiveAtlasMethod(self);
+            return s_GetActiveAtlasMethod.Invoke(null, new object[] { self }) as SpriteAtlas;
         }
 #else
         /// <summary>

Packages/src/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;
@@ -14,14 +14,6 @@ namespace Coffee.UIParticleInternal
     public abstract class PreloadedProjectSettings : ScriptableObject
 #if UNITY_EDITOR
     {
-        private class Postprocessor : AssetPostprocessor
-        {
-            private static void OnPostprocessAllAssets(string[] _, string[] __, string[] ___, string[] ____)
-            {
-                Initialize();
-            }
-        }
-
         private class PreprocessBuildWithReport : IPreprocessBuildWithReport
         {
             int IOrderedCallback.callbackOrder => 0;
@@ -32,32 +24,32 @@ namespace Coffee.UIParticleInternal
             }
         }
 
+        [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 +73,6 @@ namespace Coffee.UIParticleInternal
 
         protected static void SetDefaultSettings(PreloadedProjectSettings asset)
         {
-            if (!asset) return;
-
             var type = asset.GetType();
             if (string.IsNullOrEmpty(AssetDatabase.GetAssetPath(asset)))
             {
@@ -93,11 +83,7 @@ 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 +97,13 @@ 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>
     {
@@ -133,8 +112,6 @@ namespace Coffee.UIParticleInternal
 #if UNITY_EDITOR
         private string _jsonText;
 
-        public static bool hasInstance => s_Instance;
-
         public static T instance
         {
             get

Packages/src/Runtime/Internal/Utilities/FastAction.cs

@@ -10,9 +10,8 @@ namespace Coffee.UIParticleInternal
     /// </summary>
     internal class FastActionBase<T>
     {
-        private static readonly InternalObjectPool<LinkedListNode<T>> s_NodePool =
+        private static readonly ObjectPool<LinkedListNode<T>> s_NodePool =
-            new InternalObjectPool<LinkedListNode<T>>(() => new LinkedListNode<T>(default), _ => true,
+            new ObjectPool<LinkedListNode<T>>(() => new LinkedListNode<T>(default), _ => true, x => x.Value = default);
-                x => x.Value = default);
 
         private readonly LinkedList<T> _delegates = new LinkedList<T>();
 

Packages/src/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>

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
@@ -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
@@ -164,6 +170,7 @@ namespace Coffee.UIParticleInternal
 #endif
         }
 
+
 #if !ENABLE_COFFEE_LOGGER
         [Conditional(k_DisableSymbol)]
 #endif
@@ -202,6 +209,7 @@ namespace Coffee.UIParticleInternal
 #endif
         }
 
+
 #if !ENABLE_COFFEE_LOGGER
         [Conditional(k_DisableSymbol)]
 #endif

Packages/src/Runtime/Internal/Utilities/MaterialRepository.cs

@@ -15,7 +15,7 @@ namespace Coffee.UIParticleInternal
 
 #if UNITY_EDITOR
         [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
-        public static void Clear()
+        private static void Clear()
         {
             s_Repository.Clear();
         }
@@ -55,6 +55,7 @@ namespace Coffee.UIParticleInternal
             Profiler.EndSample();
         }
 
+
         /// <summary>
         /// Adds or retrieves a cached material based on the hash.
         /// </summary>

Packages/src/Runtime/Internal/Utilities/ObjectPool.cs

@@ -6,58 +6,15 @@ namespace Coffee.UIParticleInternal
     /// <summary>
     /// Object pool.
     /// </summary>
-    internal class InternalObjectPool<T> where T : class
+    internal class ObjectPool<T>
     {
-#if UNITY_2021_1_OR_NEWER
-        private readonly Predicate<T> _onValid; // Delegate for checking if instances are valid
-        private readonly UnityEngine.Pool.ObjectPool<T> _pool;
-
-        public InternalObjectPool(Func<T> onCreate, Predicate<T> onValid, Action<T> onReturn)
-        {
-            _pool = new UnityEngine.Pool.ObjectPool<T>(onCreate, null, onReturn);
-            _onValid = onValid;
-        }
-
-        /// <summary>
-        /// Rent an instance from the pool.
-        /// When you no longer need it, return it with <see cref="Return" />.
-        /// </summary>
-        public T Rent()
-        {
-            while (0 < _pool.CountInactive)
-            {
-                var instance = _pool.Get();
-                if (_onValid(instance))
-                {
-                    return instance;
-                }
-            }
-
-            // If there are no instances in the pool, create a new one.
-            Logging.Log(this, $"A new instance is created (pooled: {_pool.CountInactive}, created: {_pool.CountAll}).");
-            return _pool.Get();
-        }
-
-        /// <summary>
-        /// Return an instance to the pool and assign null.
-        /// Be sure to return the instance obtained with <see cref="Rent" /> with this method.
-        /// </summary>
-        public void Return(ref T instance)
-        {
-            if (instance == null) return; // Ignore if already pooled or null.
-
-            _pool.Release(instance);
-            Logging.Log(this, $"An instance is released (pooled: {_pool.CountInactive}, created: {_pool.CountAll}).");
-            instance = default; // Set the reference to null.
-        }
-#else
         private readonly Func<T> _onCreate; // Delegate for creating instances
         private readonly Action<T> _onReturn; // Delegate for returning instances to the pool
         private readonly Predicate<T> _onValid; // Delegate for checking if instances are valid
         private readonly Stack<T> _pool = new Stack<T>(32); // Object pool
         private int _count; // Total count of created instances
 
-        public InternalObjectPool(Func<T> onCreate, Predicate<T> onValid, Action<T> onReturn)
+        public ObjectPool(Func<T> onCreate, Predicate<T> onValid, Action<T> onReturn)
         {
             _onCreate = onCreate;
             _onValid = onValid;
@@ -97,40 +54,15 @@ namespace Coffee.UIParticleInternal
             Logging.Log(this, $"An instance is released (pooled: {_pool.Count}, created: {_count}).");
             instance = default; // Set the reference to null.
         }
-#endif
     }
 
     /// <summary>
     /// Object pool for <see cref="List{T}" />.
     /// </summary>
-    internal static class InternalListPool<T>
+    internal static class ListPool<T>
     {
-#if UNITY_2021_1_OR_NEWER
+        private static readonly ObjectPool<List<T>> s_ListPool =
-        /// <summary>
+            new ObjectPool<List<T>>(() => new List<T>(), _ => true, x => x.Clear());
-        /// Rent an instance from the pool.
-        /// When you no longer need it, return it with <see cref="Return" />.
-        /// </summary>
-        public static List<T> Rent()
-        {
-            return UnityEngine.Pool.ListPool<T>.Get();
-        }
-
-        /// <summary>
-        /// Return an instance to the pool and assign null.
-        /// Be sure to return the instance obtained with <see cref="Rent" /> with this method.
-        /// </summary>
-        public static void Return(ref List<T> toRelease)
-        {
-            if (toRelease != null)
-            {
-                UnityEngine.Pool.ListPool<T>.Release(toRelease);
-            }
-
-            toRelease = null;
-        }
-#else
-        private static readonly InternalObjectPool<List<T>> s_ListPool =
-            new InternalObjectPool<List<T>>(() => new List<T>(), _ => true, x => x.Clear());
 
         /// <summary>
         /// Rent an instance from the pool.
@@ -149,6 +81,5 @@ namespace Coffee.UIParticleInternal
         {
             s_ListPool.Return(ref toRelease);
         }
-#endif
     }
 }

Packages/src/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>
@@ -88,17 +77,6 @@ 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();
         }

Packages/src/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
         {
@@ -62,7 +60,7 @@ namespace Coffee.UIExtensions
 
         [Tooltip("Scale the rendering particles. When the `3D` toggle is enabled, 3D scale (x, y, z) is supported.")]
         [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, " +
                  "use this to mark as animatable.")]
@@ -119,20 +117,48 @@ namespace Coffee.UIExtensions
                  "Change the bake view size.")]
         private float m_CustomViewSize = 10;
 
+        [SerializeField]
+        private bool m_Maskable = true;
+
         private readonly List<UIParticleRenderer> _renderers = new List<UIParticleRenderer>();
         private Camera _bakeCamera;
+        private Canvas _canvas;
         private int _groupId;
         private bool _isScaleStored;
         private Vector3 _storedScale;
         private DrivenRectTransformTracker _tracker;
 
-        /// <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>
+        /// Does this graphic allow masking.
+        /// </summary>
+        public bool maskable
+        {
+            get => m_Maskable;
+            set
+            {
+                if (value == m_Maskable) return;
+                m_Maskable = value;
+                UpdateRendererMaterial();
+            }
         }
 
         /// <summary>
@@ -309,15 +335,15 @@ 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 +353,7 @@ namespace Coffee.UIExtensions
                 RefreshParticles();
             }
 
-            base.OnEnable();
+            UpdateRendererMaterial();
         }
 
         /// <summary>
@@ -344,9 +370,15 @@ 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 +388,14 @@ 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()
         {
         }
@@ -577,14 +617,12 @@ namespace Coffee.UIExtensions
             {
                 var ps = particleSystems[i];
                 if (!ps) continue;
-
+                GetRenderer(j++).Set(this, ps, false);
-                var mainEmitter = ps.GetMainEmitter(particleSystems);
-                GetRenderer(j++).Set(this, ps, false, mainEmitter);
 
                 // If the trail is enabled, set it additionally.
                 if (ps.trails.enabled)
                 {
-                    GetRenderer(j++).Set(this, ps, true, mainEmitter);
+                    GetRenderer(j++).Set(this, ps, true);
                 }
             }
         }
@@ -650,17 +688,6 @@ 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++)
@@ -736,7 +763,7 @@ namespace Coffee.UIExtensions
             _bakeCamera.useOcclusionCulling = false;
 
             _bakeCamera.gameObject.SetActive(false);
-            _bakeCamera.gameObject.hideFlags = UIParticleProjectSettings.globalHideFlags;
+            _bakeCamera.gameObject.hideFlags = HideFlags.HideAndDontSave;
 
             return _bakeCamera;
         }

Packages/src/Runtime/UIParticleAttractor.cs

@@ -148,7 +148,7 @@ namespace Coffee.UIExtensions
             // Collect UIParticle if needed (same size as m_ParticleSystems)
             CollectUIParticlesIfNeeded();
 
-            for (var particleIndex = 0; particleIndex < m_ParticleSystems.Count; particleIndex++)
+            for (var particleIndex = 0; particleIndex < this.m_ParticleSystems.Count; particleIndex++)
             {
                 var particleSystem = m_ParticleSystems[particleIndex];
 
@@ -163,21 +163,21 @@ namespace Coffee.UIExtensions
                 particleSystem.GetParticles(particles, count);
 
                 var uiParticle = _uiParticles[particleIndex];
-                var dstPos = GetDestinationPosition(uiParticle, particleSystem);
+                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) < m_DestinationRadius)
+                    if (0f < p.remainingLifetime && Vector3.Distance(p.position, dstPos) < this.m_DestinationRadius)
                     {
                         p.remainingLifetime = 0f;
                         particles[i] = p;
 
-                        if (m_OnAttracted != null)
+                        if (this.m_OnAttracted != null)
                         {
                             try
                             {
-                                m_OnAttracted.Invoke();
+                                this.m_OnAttracted.Invoke();
                             }
                             catch (Exception e)
                             {
@@ -189,7 +189,7 @@ namespace Coffee.UIExtensions
                     }
 
                     // Calc attracting time
-                    var delayTime = p.startLifetime * m_DelayRate;
+                    var delayTime = p.startLifetime * this.m_DelayRate;
                     var duration = p.startLifetime - delayTime;
                     var time = Mathf.Max(0, p.startLifetime - p.remainingLifetime - delayTime);
 
@@ -197,7 +197,7 @@ namespace Coffee.UIExtensions
                     if (time <= 0) continue;
 
                     // Attract
-                    p.position = GetAttractedPosition(p.position, dstPos, duration, time);
+                    p.position = this.GetAttractedPosition(p.position, dstPos, duration, time);
                     p.velocity *= 0.5f;
                     particles[i] = p;
                 }

Packages/src/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: 

Packages/src/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()

Packages/src/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: 

Packages/src/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;
@@ -40,7 +41,6 @@ namespace Coffee.UIExtensions
         private Vector2Int _prevScreenSize;
         private bool _preWarm;
         private ParticleSystemRenderer _renderer;
-        private ParticleSystem _mainEmitter;
 
         public override Texture mainTexture => _isTrail ? null : _particleSystem.GetTextureForSprite();
 
@@ -113,7 +113,6 @@ namespace Coffee.UIExtensions
             _parent = null;
             _particleSystem = null;
             _renderer = null;
-            _mainEmitter = null;
             if (0 <= index)
             {
                 _index = index;
@@ -138,7 +137,6 @@ namespace Coffee.UIExtensions
         {
             base.OnEnable();
 
-            hideFlags = UIParticleProjectSettings.globalHideFlags;
             if (!s_CombineInstances[0].mesh)
             {
                 s_CombineInstances[0].mesh = new Mesh
@@ -163,7 +161,7 @@ namespace Coffee.UIExtensions
             // Create renderer object.
             var go = new GameObject("[generated] UIParticleRenderer", typeof(UIParticleRenderer))
             {
-                hideFlags = UIParticleProjectSettings.globalHideFlags,
+                hideFlags = HideFlags.HideAndDontSave,
                 layer = parent.gameObject.layer
             };
 
@@ -203,6 +201,7 @@ namespace Coffee.UIExtensions
                 return modifiedMaterial;
             }
 
+            //
             var hash = new Hash128(
                 modifiedMaterial ? (uint)modifiedMaterial.GetInstanceID() : 0,
                 texture ? (uint)texture.GetInstanceID() : 0,
@@ -225,7 +224,7 @@ namespace Coffee.UIExtensions
             return _modifiedMaterial;
         }
 
-        public void Set(UIParticle parent, ParticleSystem ps, bool isTrail, ParticleSystem mainEmitter)
+        public void Set(UIParticle parent, ParticleSystem ps, bool isTrail)
         {
             _parent = parent;
             maskable = parent.maskable;
@@ -248,7 +247,10 @@ namespace Coffee.UIExtensions
 
             ps.TryGetComponent(out _renderer);
             _renderer.enabled = false;
+
+            //_emitter = emitter;
             _isTrail = isTrail;
+
             _renderer.GetSharedMaterials(s_Materials);
             material = s_Materials[isTrail ? 1 : 0];
             s_Materials.Clear();
@@ -265,7 +267,6 @@ namespace Coffee.UIExtensions
             _prevScreenSize = new Vector2Int(Screen.width, Screen.height);
             _prevCanvasScale = canvas ? canvas.scaleFactor : 1f;
             _delay = true;
-            _mainEmitter = mainEmitter;
 
             canvasRenderer.SetTexture(null);
 
@@ -303,7 +304,7 @@ namespace Coffee.UIExtensions
 
             // Simulate particles.
             Profiler.BeginSample("[UIParticle] Bake Mesh > Simulate Particles");
-            if (!_isTrail && _parent.canSimulate && !_mainEmitter)
+            if (!_isTrail && _parent.canSimulate)
             {
 #if UNITY_EDITOR
                 if (!Application.isPlaying)
@@ -421,16 +422,17 @@ namespace Coffee.UIExtensions
                     workerMesh.LinearToGamma();
                 }
 
-                var components = InternalListPool<Component>.Rent();
+                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
 
-                InternalListPool<Component>.Return(ref components);
+                ListPool<Component>.Return(ref components);
             }
 
             Profiler.EndSample();
@@ -442,7 +444,7 @@ namespace Coffee.UIExtensions
 
             // Get grouped renderers.
             Profiler.BeginSample("[UIParticleRenderer] Set Mesh");
-            var renderers = InternalListPool<UIParticleRenderer>.Rent();
+            var renderers = ListPool<UIParticleRenderer>.Rent();
             if (_parent.useMeshSharing)
             {
                 UIParticleUpdater.GetGroupedRenderers(_parent.groupId, _index, renderers);
@@ -459,7 +461,7 @@ namespace Coffee.UIExtensions
                 r.canvasRenderer.SetMaterial(materialForRendering, 0);
             }
 
-            InternalListPool<UIParticleRenderer>.Return(ref renderers);
+            ListPool<UIParticleRenderer>.Return(ref renderers);
 
             if (_parent.canRender)
             {
@@ -542,30 +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);
-                    }
-
-                    if (_mainEmitter)
-                    {
-                        if (_mainEmitter.IsLocalSpace())
-                        {
-                            return Matrix4x4.Translate(psPos)
-                                   * Matrix4x4.Scale(scale)
-                                   * Matrix4x4.Translate(-psPos);
-                        }
-                        else
-                        {
-                            psPos = _particleSystem.transform.position - _mainEmitter.transform.position;
-                            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))

Packages/src/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: 

Packages/src/Runtime/Utilities/ParticleSystemExtensions.cs

@@ -171,30 +171,5 @@ namespace Coffee.UIParticleInternal
                 action.Invoke(p);
             }
         }
-
-        public static ParticleSystem GetMainEmitter(this ParticleSystem self, List<ParticleSystem> list)
-        {
-            if (!self || list == null || list.Count == 0) return null;
-
-            for (var i = 0; i < list.Count; i++)
-            {
-                var parent = list[i];
-                if (parent != self && IsSubEmitterOf(self, parent)) return parent;
-            }
-
-            return null;
-        }
-
-        public static bool IsSubEmitterOf(this ParticleSystem self, ParticleSystem parent)
-        {
-            var subEmitters = parent.subEmitters;
-            var count = subEmitters.subEmittersCount;
-            for (var i = 0; i < count; i++)
-            {
-                if (subEmitters.GetSubEmitterSystem(i) == self) return true;
-            }
-
-            return false;
-        }
     }
 }

Packages/src/Samples~/Demo/Scripts/UIParticle_Demo.cs

@@ -1,4 +1,3 @@
-using Coffee.UIParticleInternal;
 using UnityEngine;
 using UnityEngine.Serialization;
 using UnityEngine.UI;
@@ -52,7 +51,11 @@ namespace Coffee.UIExtensions.Demo
 
         public void EnableAnimations(bool flag)
         {
-            foreach (var animator in Misc.FindObjectsOfType<Animator>())
+#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;
             }
@@ -80,7 +83,11 @@ namespace Coffee.UIExtensions.Demo
 
         public void UIParticle_Scale(float scale)
         {
-            foreach (var uip in Misc.FindObjectsOfType<UIParticle>())
+#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;
             }
@@ -88,7 +95,11 @@ namespace Coffee.UIExtensions.Demo
 
         public void ParticleSystem_WorldSpaseSimulation(bool flag)
         {
-            foreach (var p in Misc.FindObjectsOfType<ParticleSystem>())
+#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
@@ -124,7 +135,11 @@ namespace Coffee.UIExtensions.Demo
 
         public void ParticleSystem_SetScale(float scale)
         {
-            foreach (var ps in Misc.FindObjectsOfType<ParticleSystem>())
+#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);
             }

Packages/src/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
         }
     }
-}
+}

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": "4.10.6",
+  "version": "4.9.0",
   "unity": "2018.2",
   "license": "MIT",
   "repository": {

ProjectSettings/MinimalResourceSettings.json

@@ -1,11 +0,0 @@
-{
-    "MonoBehaviour": {
-        "m_Enabled": true,
-        "m_EditorHideFlags": 0,
-        "m_Name": "",
-        "m_EditorClassIdentifier": "",
-        "m_OutputDllPaths": [
-            "Packages/com.coffee.ui-particle/Runtime/Coffee.UIParticle.R.dll"
-        ]
-    }
-}

ProjectSettings/ProjectSettings.asset

@@ -124,7 +124,7 @@ PlayerSettings:
   bundleVersion: 1.0
   preloadedAssets:
   - {fileID: 11400000, guid: 86087a0847f384b538391745dad4565c, type: 2}
-  - {fileID: 11400000, guid: 4b9df7b8a4193489299b8f477348ae0c, type: 2}
+  - {fileID: 11400000, guid: e8e7744b163af4869b07b8f192c810ed, type: 2}
   metroInputSource: 0
   wsaTransparentSwapchain: 0
   m_HolographicPauseOnTrackingLoss: 1