fix: when using mesh sharing, the Transform.scale of the primary UIParticle affects the replicas.

close #333

NOTE: This fix may cause changes in the rendering of existing UIParticles.

.github/CODEOWNERS

@@ -1,6 +0,0 @@
-# This is a comment.
-# Each line is a file pattern followed by one or more owners.
-# https://docs.github.com/ja/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners
-
-# Default owners
-* @mob-sakai

.github/FUNDING.yml

@@ -1,12 +0,0 @@
-# These are supported funding model platforms
-
-github: mob-sakai # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
-patreon: mob_sakai # Replace with a single Patreon username
-open_collective: # Replace with a single Open Collective username
-ko_fi: # Replace with a single Ko-fi username
-tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
-community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
-liberapay: # Replace with a single Liberapay username
-issuehunt: # Replace with a single IssueHunt username
-otechie: # Replace with a single Otechie username
-custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,35 +0,0 @@
----
-name: Bug report
-about: Create a report to help us improve
-title: ''
-labels: bug
-assignees: mob-sakai
-
----
-
-NOTE: Your issue may already be reported! Please search on the [issue tracker](../) before creating one.
-
-**Describe the bug**
-A clear and concise description of what the bug is.
-
-**To Reproduce**
-Steps to reproduce the behavior:
-1. Go to '...'
-2. Click on '....'
-3. Scroll down to '....'
-4. See error
-
-**Expected behavior**
-A clear and concise description of what you expected to happen.
-
-**Screenshots**
-If applicable, add screenshots to help explain your problem.
-
-**Environment (please complete the following information):**
- - Version [e.g. 1.0.0]
- - Platform: [e.g. Editor(Windows/Mac), Standalone(Windows/Mac), iOS, Android, WebGL]
- - Unity version: [e.g. 2018.2.8f1]
- - Build options: [e.g. IL2CPP, .Net 4.x, LWRP]
-
-**Additional context**
-Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,22 +0,0 @@
----
-name: Feature request
-about: Suggest an idea for this project
-title: ''
-labels: enhancement
-assignees: mob-sakai
-
----
-
-NOTE: Your issue may already be reported! Please search on the [issue tracker](../) before creating one.
-
-**Is your feature request related to a problem? Please describe.**
-A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
-
-**Describe the solution you'd like**
-A clear and concise description of what you want to happen.
-
-**Describe alternatives you've considered**
-A clear and concise description of any alternative solutions or features you've considered.
-
-**Additional context**
-Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/question.md

@@ -1,16 +0,0 @@
----
-name: Question
-about: Ask a question about this project
-title: ''
-labels: question
-assignees: mob-sakai
-
----
-
-NOTE: Your issue may already be reported! Please search on the [issue tracker](../) before creating one.
-
-**Describe what help do you need**
-A description of the question.
-
-**Additional context**
-Add any other context or screenshots about the question here.

.github/pull_request_template.md

@@ -1,37 +0,0 @@
-
-# Pull Request Template
-
-## Description
-
-- Please include a summary of the change and which issue is fixed.
-- Please also include relevant motivation and context.
-- List any dependencies that are required for this change.
-
-Fixes #{issue_number}
-
-## Type of change
-
-Please write the commit message in the format corresponding to the change type.
-Please see [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/) for more information.
-
-- [ ] Bug fix (non-breaking change which fixes an issue)  
-- [ ] New feature (non-breaking change which adds functionality)  
-- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
-- [ ] Update documentations
-- [ ] Others (refactoring, style changes, etc.)
-
-## Test environment
-
-- Platform: [e.g. Editor(Windows/Mac), Standalone(Windows/Mac), iOS, Android, WebGL]
-- Unity version: [e.g. 2022.2.0f1]
-- Build options: [e.g. IL2CPP, .Net 4.x, URP/HDRP]
-
-## Checklist
-
-- [ ] This pull request is for merging into the `develop` branch
-- [ ] My code follows the style guidelines of this project
-- [ ] I have performed a self-review of my own code
-- [ ] I have commented my code, particularly in hard-to-understand areas
-- [ ] I have made corresponding changes to the documentation
-- [ ] My changes generate no new warnings
-- [ ] I have checked my code and corrected any misspellings

.github/workflows/deploy.yml

@@ -1,28 +0,0 @@
-name: 🚀 Deploy with Zip
-
-on:
-  workflow_dispatch:
-    inputs:
-      zip:
-        description: "The url to the zip file"
-        required: true
-
-jobs:
-  deploy:
-    name: 🚀 Deploy
-    runs-on: ubuntu-latest
-    permissions:
-      pages: write
-      id-token: write
-    steps:
-      - name: 📦 Download zip file To '_site'
-        run: |
-          curl -L ${{ github.event.inputs.zip }} -o _site.zip
-          unzip _site.zip -d _site
-          find _site -name __MACOSX | xargs rm -rf
-
-      - name: 📦 Upload '_site'
-        uses: actions/upload-pages-artifact@v3
-
-      - name: 🚀 Deploy To GitHub Pages
-        uses: actions/deploy-pages@v4

.github/workflows/release.yml

@@ -1,13 +1,12 @@
 name: 🔖 Release
-run-name: 🔖 Release (${{ github.ref_name }})
 
 on:
   workflow_dispatch:
   push:
     branches:
-      - preview
-      - main
-      - v*.x
+      - release
+      - release-preview
+      - release-v4
     tags-ignore:
       - "**"
 
@@ -23,6 +22,9 @@ jobs:
       channel: ${{ steps.release.outputs.new_release_channel }}
       released: ${{ steps.release.outputs.new_release_published }}
       tag: ${{ steps.release.outputs.new_release_git_tag }}
+      version: ${{ steps.release.outputs.new_release_version }}
+      merge_to: ${{ steps.summary.outputs.merge_to }}
+      split_to: ${{ steps.summary.outputs.split_to }}
     steps:
       - name: 🚚 Checkout (${{ github.ref_name }})
         uses: actions/checkout@v4
@@ -36,9 +38,66 @@ jobs:
             @semantic-release/changelog
             @semantic-release/git
         env:
-          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
+          GITHUB_TOKEN: ${{ github.token }}
 
-      - run: |
+      - id: summary
+        run: |
           echo "🔖 New release published: '${{ steps.release.outputs.new_release_published }}'" | tee -a $GITHUB_STEP_SUMMARY
+          echo "🔖 New release version: '${{ steps.release.outputs.new_release_version }}'" | tee -a $GITHUB_STEP_SUMMARY
           echo "🔖 New release channel: '${{ steps.release.outputs.new_release_channel }}'" | tee -a $GITHUB_STEP_SUMMARY
           echo "🔖 New release git tag: '${{ steps.release.outputs.new_release_git_tag }}'" | tee -a $GITHUB_STEP_SUMMARY
+          
+          if [ '${{ 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
+            echo "split_to=main" | tee -a $GITHUB_OUTPUT
+          elif [ '${{ github.ref_name }}' = 'release-preview' ]; then
+            echo "merge_to=develop-preview" | tee -a $GITHUB_OUTPUT
+            echo "split_to=preview" | tee -a $GITHUB_OUTPUT
+          elif [ '${{ 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:
+    if: needs.release.outputs.merge_to != ''
+    needs: release
+    name: 🔀 Merge to ${{ needs.release.outputs.merge_to }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: 🚚 Checkout (${{ needs.release.outputs.merge_to }})
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ needs.release.outputs.merge_to }}
+          fetch-depth: 0
+      - name: 🔀 Merge '${{ needs.release.outputs.tag }}' into '${{ needs.release.outputs.merge_to }}'
+        run: |
+          git config --local user.email "github-actions[bot]@users.noreply.github.com"
+          git config --local user.name "github-actions[bot]"
+          
+          git merge ${{ needs.release.outputs.tag }}
+          git push origin ${{ needs.release.outputs.merge_to }}
+
+  split-to:
+    if: needs.release.outputs.split_to != ''
+    needs: release
+    name: 🔀 Split package to ${{ needs.release.outputs.split_to }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: 🚚 Checkout (${{ needs.release.outputs.tag }})
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ needs.release.outputs.tag }}
+          fetch-depth: 0
+      - name: 🔀 Split subtree 'Packages/src' to '${{ needs.release.outputs.split_to }}'
+        run: |
+          split_to=${{ needs.release.outputs.split_to }}
+          git branch $split_to origin/$split_to
+          git subtree split --prefix=Packages/src --branch $split_to
+          git tag ${{ needs.release.outputs.version }} $split_to
+          git push origin ${{ needs.release.outputs.version }} $split_to:$split_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"
-  pull_request_target:
+      - "*.md"
+  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 ${MINIMUM_VERSION} --json --all`
-          if [ "${{ inputs.usePeriodVersions }}" = "true" ]; then
-            ADDITIONAL_VERSIONS=`npx unity-changeset list --versions --grep '0f' --min ${MINIMUM_VERSION} --json`
-          else
-            ADDITIONAL_VERSIONS=[]
-          fi
+          LATEST_VERSIONS=`npx unity-changeset list --versions --latest-patch --min ${MINIMUM_VERSION} --json --all`
+          # ADDITIONAL_VERSIONS=`npx unity-changeset list --versions --grep '0f' --min ${MINIMUM_VERSION} --json`
+          ADDITIONAL_VERSIONS=[]
 
           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 }})
-        if: github.event_name == 'push'
+      - name: 🚚 Checkout
         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:
-          UNITY_EMAIL: ${{ secrets.UNITY_EMAIL }}
-          UNITY_PASSWORD: ${{ secrets.UNITY_PASSWORD }}
-          UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}
+          coverageOptions: "dontClear;generateHtmlReport;generateBadgeReport;pathFilters:+**/Packages/src/**;assemblyFilters:+<packages>,-*.Editor,-*.Test"

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/NanoMonitor.asset

@@ -18,12 +18,11 @@ MonoBehaviour:
   m_EnabledInEditor: 1
   m_AlwaysIncludeAssembly: 1
   m_InstantiateOnLoad: 1
-  m_Prefab: {fileID: 4567906826058368312, guid: 7cebff2d255b9433cbe23b243c193329,
+  m_Prefab: {fileID: 7211429669315726685, guid: b73940fc30a2f4eb9a73783e9c1f8da6,
     type: 3}
   m_Interval: 0.5
   m_Anchor: 0
   m_Width: 750
-  m_HelpUrl: https://github.com/mob-sakai/ParticleEffectForUGUI
   m_CustomMonitorItems:
   - m_Format: Screen:{0}x{1}
     m_Arg0:

Assets/ProjectSettings/NanoMonitor.prefab.meta

@@ -1,7 +1,6 @@
 fileFormatVersion: 2
-guid: 1b2877595f27c4a70a426991d515434f
-folderAsset: yes
-DefaultImporter:
+guid: b73940fc30a2f4eb9a73783e9c1f8da6
+PrefabImporter:
   externalObjects: {}
   userData: 
   assetBundleName: 

Assets/ProjectSettings/UIParticleProjectSettings.asset

@@ -1,16 +0,0 @@
-%YAML 1.1
-%TAG !u! tag:unity3d.com,2011:
---- !u!114 &11400000
-MonoBehaviour:
-  m_ObjectHideFlags: 0
-  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInstance: {fileID: 0}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 0}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: f22a23b9d98e440478697f4adf30e61c, type: 3}
-  m_Name: UIParticleProjectSettings
-  m_EditorClassIdentifier: 
-  m_EnableLinearToGamma: 1
-  m_HideGeneratedObjects: 1

Assets/ProjectSettings/UIParticleProjectSettings.asset.meta

@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: a5b9278dfbd194d04b1c6ae7031928c1
-NativeFormatImporter:
-  externalObjects: {}
-  mainObjectFileID: 11400000
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Packages/manifest.json

@@ -1,7 +1,5 @@
 {
   "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.unity.test-framework": "1.1.33",

Packages/packages-lock.json

@@ -1,19 +1,5 @@
 {
   "dependencies": {
-    "com.coffee.development": {
-      "version": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/Development",
-      "depth": 0,
-      "source": "git",
-      "dependencies": {},
-      "hash": "3c280f1a8f4db5038b881ff07f270efd9638fa31"
-    },
-    "com.coffee.minimal-resource": {
-      "version": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/MinimalResource",
-      "depth": 0,
-      "source": "git",
-      "dependencies": {},
-      "hash": "3c280f1a8f4db5038b881ff07f270efd9638fa31"
-    },
     "com.coffee.nano-monitor": {
       "version": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/NanoMonitor",
       "depth": 0,
@@ -21,7 +7,7 @@
       "dependencies": {
         "com.unity.ugui": "1.0.0"
       },
-      "hash": "3c280f1a8f4db5038b881ff07f270efd9638fa31"
+      "hash": "c51e4514c9ab944915a639433ee52342e55a644e"
     },
     "com.coffee.ui-particle": {
       "version": "file:src",

Packages/src/.coffee.internal.sed

@@ -1 +0,0 @@
-s/Coffee.Internal/Coffee.UIParticleInternal/g

Packages/src/.releaserc.json

@@ -1,13 +1,12 @@
 {
   "branches": [
-    "main",
-    "[0-9]+.x",
+    "release",
+    "release-4.x",
     {
-      "name": "preview",
-      "prerelease": true
+      "name": "release-preview",
+      "prerelease": "preview"
     }
   ],
-  "tagFormat": "${version}",
   "plugins": [
     "@semantic-release/commit-analyzer",
     "@semantic-release/release-notes-generator",

Packages/src/CHANGELOG.md

@@ -1,92 +1,3 @@
-# [5.0.0-preview.16](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/5.0.0-preview.15...5.0.0-preview.16) (2025-03-15)
-
-
-### Bug Fixes
-
-* IL2CPP build fails on older versions of Unity ([0da6525](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0da652520cd165b43de7404c0b0ab1fbcf9349d1))
-* NRE on enable ([0cff50e](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0cff50ef696aa53fb7c46a9a737b7cf3a05b7b9b)), closes [#359](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/359)
-
-# [5.0.0-preview.15](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/5.0.0-preview.14...5.0.0-preview.15) (2025-02-21)
-
-
-### Bug Fixes
-
-* component icons will no longer be displayed in the scene view ([6dfbdae](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/6dfbdae38d3822ab9c2c6f0e4ca1ca32ee98a239))
-* editor crashed on exit play mode (editor, windows) ([47ee45c](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/47ee45cbbe651a8f87ca2b8a3948f8b88db8211e)), closes [#351](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/351)
-
-
-### Features
-
-* add 'TimeScaleMultiplier' option ([925af0b](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/925af0b6046f65f23a778f67cefa8ff9cbedb513))
-
-# [5.0.0-preview.14](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/5.0.0-preview.13...5.0.0-preview.14) (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)
-
-# [5.0.0-preview.13](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/5.0.0-preview.12...5.0.0-preview.13) (2025-01-03)
-
-
-### Features
-
-* change the default value of `UIParticle.scale` from `10` to `1` ([9955eef](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9955eefdc22cf565502f85c87cd2efd3a25fbe50))
-* UIParticle no longer inherits from MaskableGraphic ([c09bfb8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c09bfb81abc9179bf5fc49d29eaf7fc4ed01a4dc))
-
-
-### BREAKING CHANGES
-
-* Some members inherited from MaskableGraphic will no longer be available.
-
-## [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)
 
 

Packages/src/Editor/UIParticleEditor.cs

@@ -2,11 +2,12 @@ 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;
+using Coffee.UIParticleExtensions;
 #if UNITY_2021_2_OR_NEWER
 using UnityEditor.Overlays;
 #else
@@ -16,7 +17,6 @@ using Object = UnityEngine.Object;
 #endif
 #if UNITY_2021_2_OR_NEWER
 using UnityEditor.SceneManagement;
-
 #elif UNITY_2018_3_OR_NEWER
 using UnityEditor.Experimental.SceneManagement;
 #endif
@@ -25,13 +25,8 @@ namespace Coffee.UIExtensions
 {
     [CustomEditor(typeof(UIParticle))]
     [CanEditMultipleObjects]
-    internal class UIParticleEditor : Editor
+    internal class UIParticleEditor : GraphicEditor
     {
-        internal class State : ScriptableSingleton<State>
-        {
-            public bool is3DScaleMode;
-        }
-
         //################################
         // Constant or Static Members.
         //################################
@@ -50,6 +45,7 @@ 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;
@@ -61,10 +57,8 @@ namespace Coffee.UIExtensions
         private SerializedProperty _autoScalingMode;
         private SerializedProperty _useCustomView;
         private SerializedProperty _customViewSize;
-        private SerializedProperty _timeScaleMultiplier;
         private ReorderableList _ro;
         private bool _showMax;
-        private bool _is3DScaleMode;
 
         private static readonly HashSet<Shader> s_Shaders = new HashSet<Shader>();
 #if UNITY_2018 || UNITY_2019
@@ -86,8 +80,10 @@ namespace Coffee.UIExtensions
         /// <summary>
         /// This function is called when the object becomes enabled and active.
         /// </summary>
-        private void OnEnable()
+        protected override void OnEnable()
         {
+            base.OnEnable();
+
             _maskable = serializedObject.FindProperty("m_Maskable");
             _scale3D = serializedObject.FindProperty("m_Scale3D");
             _animatableProperties = serializedObject.FindProperty("m_AnimatableProperties");
@@ -98,7 +94,6 @@ namespace Coffee.UIExtensions
             _autoScalingMode = serializedObject.FindProperty("m_AutoScalingMode");
             _useCustomView = serializedObject.FindProperty("m_UseCustomView");
             _customViewSize = serializedObject.FindProperty("m_CustomViewSize");
-            _timeScaleMultiplier = serializedObject.FindProperty("m_TimeScaleMultiplier");
 
             var sp = serializedObject.FindProperty("m_Particles");
             _ro = new ReorderableList(sp.serializedObject, sp, true, true, true, true)
@@ -167,19 +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>
@@ -198,11 +180,7 @@ namespace Coffee.UIExtensions
 
             // Scale
             EditorGUI.BeginDisabledGroup(!_meshSharing.hasMultipleDifferentValues && _meshSharing.intValue == 4);
-            if (DrawFloatOrVector3Field(_scale3D, _is3DScaleMode) != _is3DScaleMode)
-            {
-                State.instance.is3DScaleMode = _is3DScaleMode = !_is3DScaleMode;
-            }
-
+            s_XYZMode = DrawFloatOrVector3Field(_scale3D, s_XYZMode);
             EditorGUI.EndDisabledGroup();
 
             // AnimatableProperties
@@ -243,9 +221,6 @@ namespace Coffee.UIExtensions
                 _customViewSize.floatValue = Mathf.Max(0.1f, _customViewSize.floatValue);
             }
 
-            // Time Scale Multiplier
-            EditorGUILayout.PropertyField(_timeScaleMultiplier);
-
             // Target ParticleSystems.
             EditorGUI.BeginChangeCheck();
             _ro.DoLayoutList();
@@ -461,11 +436,9 @@ namespace Coffee.UIExtensions
         {
             if (!p || (ignoreCurrent && target == p)) return;
 
-            Misc.DestroyImmediate(p);
-            if (p.TryGetComponent<CanvasRenderer>(out var cr))
-            {
-                Misc.DestroyImmediate(cr);
-            }
+            var cr = p.canvasRenderer;
+            DestroyImmediate(p);
+            DestroyImmediate(cr);
 
 #if UNITY_2018_3_OR_NEWER
             var stage = PrefabStageUtility.GetCurrentPrefabStage();

Packages/src/Icons.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 398e06c9985ad4291a95f0749c2927fb
+guid: 7a55e246f37df405bac88eac692e3a86
 folderAsset: yes
 DefaultImporter:
   externalObjects: {}

Packages/src/README.md

@@ -1,9 +1,9 @@
-# <img alt="UIParticleIcon" src="https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/d76e105e-a840-4f61-a1f6-8cf311c0812d" width="26"/> UI Particle v5 <!-- omit in toc -->
+# <img alt="UIParticleIcon" src="https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/d76e105e-a840-4f61-a1f6-8cf311c0812d" width="26"/> Particle Effect For UGUI (UI Particle) <!-- 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)](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-2019.3+-57b9d3.svg?style=flat&logo=unity)
+![](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)
@@ -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) | [🔄 Upgrading to 5.x](#-upgrading-from-3x4x-to-5x) | [🚀 Usage](#-usage) | [🛠 Development Note](#-development-note) | [🤝 Contributing](#-contributing) >>
+<< [📝 Description](#-description-) | [📌 Key Features](#-key-features) | [🎮 Demo](#-demo) | [⚙ Installation](#-installation) | [🚀 Usage](#-usage) | [🛠 Development Note](#-development-note) | [🤝 Contributing](#-contributing) >>
 
 ## 📝 Description <!-- omit in toc -->
 
@@ -26,9 +26,7 @@ You can render, mask, and sort your `ParticleSystems` for UI without the need fo
     - [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 v3/v4 to v5](#-upgrading-from-v3v4-to-v5)
-  - [Breaking Changes](#breaking-changes)
+    - [Install as Embedded Package](#install-as-embedded-package)
 - [🚀 Usage](#-usage)
   - [Component: UIParticle](#component-uiparticle)
   - [Basic Usage](#basic-usage)
@@ -36,7 +34,6 @@ 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)
@@ -106,7 +103,7 @@ You can render, mask, and sort your `ParticleSystems` for UI without the need fo
 
 ## ⚙ Installation
 
-_This package requires **Unity 2019.3 or later**._
+_This package requires **Unity 2018.3 or later**._
 
 #### Install via OpenUPM
 
@@ -118,16 +115,16 @@ _This package requires **Unity 2019.3 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@5.0.0
+  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?path=Packages/src`  
+- Click `+ > Add package from git URL...` and input the repository URL: `https://github.com/mob-sakai/ParticleEffectForUGUI.git`  
   ![](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?path=Packages/src#5.0.0`
+  - e.g. `https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.9.0`
 
 #### Install via UPM (Manually)
 
@@ -135,41 +132,22 @@ _This package requires **Unity 2019.3 or later**._
   ```json
   {
     "dependencies": {
-      "com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git?path=Packages/src",
+      "com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git",
       ...
     }
   }
   ```
 
 - To update the package, change suffix `#{version}` to the target version.
-  - e.g. `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git?path=Packages/src#5.0.0",`
+  - e.g. `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.9.0",`
 
-### Install as Embedded Package
+#### Install as Embedded Package
 
-1. Download the `Source code (zip)` file from [Releases](https://github.com/mob-sakai/SoftMaskForUGUI/releases) and
-   extract it.
-2. Move the `<extracted_dir>/Packages/src` directory into your project's `Packages` directory.  
-   ![](https://github.com/user-attachments/assets/187cbcbe-5922-4ed5-acec-cf19aa17d208)
-    - You can rename the `src` directory if needed.
-    - If you intend to fix bugs or add features, installing it as an embedded package is recommended.
-    - To update the package, re-download it and replace the existing contents.
-
-<br><br>
-
-## 🔄 Upgrading from v3/v4 to v5
-
-### Breaking Changes
-
-- The default value of `UIParticle.scale` has been changed from `10` to `1`.
-- `UIParticle` no longer inherits from `MaskableGraphic`.
-- If you are installing via git URL, add `?path=Packages/src`.
-   ```json
-   // v3/v4
-   "com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git",
-   
-   // v5
-   "com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git?path=Packages/src",
-   ```
+1. Download a source code zip file from [Releases](https://github.com/mob-sakai/ParticleEffectForUGUI.git/releases) and extract it.
+2. Place it in your project's `Packages` directory.  
+   ![](https://github.com/mob-sakai/mob-sakai/assets/12690315/0b7484b4-5fca-43b0-a9ef-e5dbd99bcdb4)
+- If you want to fix bugs or add features, install it as an embedded package.
+- To update the package, you need to re-download it and replace the contents.
 
 <br><br>
 
@@ -179,7 +157,7 @@ _This package requires **Unity 2019.3 or later**._
 
 `UIParticle` controls the ParticleSystems that are attached to its own game objects and child game objects.
 
-![](https://github.com/user-attachments/assets/bc9eb783-afce-4102-ac61-aee9ea8d6f2f)
+![](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/1cf5753b-33fc-4cef-91c3-413c515a954f)
 
 - **Maskable**: Does this graphic allow maskable.
 - **Scale**: Scale the rendering particles. When the `3D` toggle is enabled, 3D scale (x, y, z) is supported.
@@ -201,7 +179,6 @@ _This package requires **Unity 2019.3 or later**._
   - **UIParticle:** UIParticle.scale will be adjusted.
 - **Use Custom View:** Use this if the particles are not displayed correctly due to min/max particle size.
   - **Custom view size:** Change the bake view size.
-- **Time Scale Multiplier:** Time scale multiplier.
 - **Rendering Order**: The ParticleSystem list to be rendered. You can change the order and the materials.
 
 **NOTE:** Press the `Refresh` button to reconstruct the rendering order based on children ParticleSystem's sorting order
@@ -232,7 +209,7 @@ and z-position.
 If you want to mask particles, set a stencil-supported shader (such as `UI/UIAdditive`) to the material for
 ParticleSystem.
 If you use some custom shaders, see
-the [How to Make a Custom Shader to Support Mask/RectMask2D Component](#how-to-make-a-custom-shader-to-support-mask-and-rectmask2d-component)
+the [How to Make a Custom Shader to Support Mask/RectMask2D Component](#how-to-make-a-custom-shader-to-support-maskrectmask2d-component)
 section.
 
 ![](https://user-images.githubusercontent.com/12690315/95017591-3b512700-0695-11eb-864e-04166ea1809a.png)
@@ -279,14 +256,6 @@ 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.meta

@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: 53aa3f36032944b3fb1455e774c52396
-folderAsset: yes
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Packages/src/Runtime/Internal/Extensions.meta

@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: 8cf8018dee45a4c42a19eec890eaa5b1
-folderAsset: yes
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

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

@@ -1,134 +0,0 @@
-#if UNITY_2021_3_0 || UNITY_2021_3_1 || UNITY_2021_3_2 || UNITY_2021_3_3 || UNITY_2021_3_4 || UNITY_2021_3_5 || UNITY_2021_3_6 || UNITY_2021_3_7 || UNITY_2021_3_8 || UNITY_2021_3_9
-#elif UNITY_2021_3_10 || UNITY_2021_3_11 || UNITY_2021_3_12 || UNITY_2021_3_13 || UNITY_2021_3_14 || UNITY_2021_3_15 || UNITY_2021_3_16 || UNITY_2021_3_17 || UNITY_2021_3_18 || UNITY_2021_3_19
-#elif UNITY_2021_3_20 || UNITY_2021_3_21 || UNITY_2021_3_22 || UNITY_2021_3_23 || UNITY_2021_3_24 || UNITY_2021_3_25 || UNITY_2021_3_26 || UNITY_2021_3_27 || UNITY_2021_3_28 || UNITY_2021_3_29
-#elif UNITY_2021_3_30 || UNITY_2021_3_31 || UNITY_2021_3_32 || UNITY_2021_3_33
-#elif UNITY_2022_2_0 || UNITY_2022_2_1 || UNITY_2022_2_2 || UNITY_2022_2_3 || UNITY_2022_2_4 || UNITY_2022_2_5 || UNITY_2022_2_6 || UNITY_2022_2_7 || UNITY_2022_2_8 || UNITY_2022_2_9
-#elif UNITY_2022_2_10 || UNITY_2022_2_11 || UNITY_2022_2_12 || UNITY_2022_2_13 || UNITY_2022_2_14
-#elif UNITY_2021_3 || UNITY_2022_2 || UNITY_2022_3 || UNITY_2023_2_OR_NEWER
-#define CANVAS_SUPPORT_ALWAYS_GAMMA
-#endif
-
-using UnityEngine;
-using UnityEngine.Profiling;
-#if UNITY_MODULE_VR
-using UnityEngine.XR;
-#endif
-
-namespace Coffee.UIParticleInternal
-{
-    internal static class CanvasExtensions
-    {
-        public static bool ShouldGammaToLinearInShader(this Canvas canvas)
-        {
-            return QualitySettings.activeColorSpace == ColorSpace.Linear &&
-#if CANVAS_SUPPORT_ALWAYS_GAMMA
-                   canvas.vertexColorAlwaysGammaSpace;
-#else
-                   false;
-#endif
-        }
-
-        public static bool ShouldGammaToLinearInMesh(this Canvas canvas)
-        {
-            return QualitySettings.activeColorSpace == ColorSpace.Linear &&
-#if CANVAS_SUPPORT_ALWAYS_GAMMA
-                   !canvas.vertexColorAlwaysGammaSpace;
-#else
-                   true;
-#endif
-        }
-
-        public static bool IsStereoCanvas(this Canvas canvas)
-        {
-#if UNITY_MODULE_VR
-            if (FrameCache.TryGet<bool>(canvas, nameof(IsStereoCanvas), out var stereo)) return stereo;
-
-            stereo =
-                canvas != null && canvas.renderMode != RenderMode.ScreenSpaceOverlay && canvas.worldCamera != null
-                && XRSettings.enabled && !string.IsNullOrEmpty(XRSettings.loadedDeviceName);
-            FrameCache.Set(canvas, nameof(IsStereoCanvas), stereo);
-            return stereo;
-#else
-            return false;
-#endif
-        }
-
-        /// <summary>
-        /// Gets the view-projection matrix for a Canvas.
-        /// </summary>
-        public static void GetViewProjectionMatrix(this Canvas canvas, out Matrix4x4 vpMatrix)
-        {
-            canvas.GetViewProjectionMatrix(Camera.MonoOrStereoscopicEye.Mono, out vpMatrix);
-        }
-
-        /// <summary>
-        /// Gets the view-projection matrix for a Canvas.
-        /// </summary>
-        public static void GetViewProjectionMatrix(this Canvas canvas, Camera.MonoOrStereoscopicEye eye,
-            out Matrix4x4 vpMatrix)
-        {
-            if (FrameCache.TryGet(canvas, nameof(GetViewProjectionMatrix), out vpMatrix)) return;
-
-            canvas.GetViewProjectionMatrix(eye, out var viewMatrix, out var projectionMatrix);
-            vpMatrix = viewMatrix * projectionMatrix;
-            FrameCache.Set(canvas, nameof(GetViewProjectionMatrix), vpMatrix);
-        }
-
-        /// <summary>
-        /// Gets the view and projection matrices for a Canvas.
-        /// </summary>
-        public static void GetViewProjectionMatrix(this Canvas canvas, out Matrix4x4 vMatrix, out Matrix4x4 pMatrix)
-        {
-            canvas.GetViewProjectionMatrix(Camera.MonoOrStereoscopicEye.Mono, out vMatrix, out pMatrix);
-        }
-
-        /// <summary>
-        /// Gets the view and projection matrices for a Canvas.
-        /// </summary>
-        public static void GetViewProjectionMatrix(this Canvas canvas, Camera.MonoOrStereoscopicEye eye,
-            out Matrix4x4 vMatrix, out Matrix4x4 pMatrix)
-        {
-            if (FrameCache.TryGet(canvas, "GetViewMatrix", (int)eye, out vMatrix) &&
-                FrameCache.TryGet(canvas, "GetProjectionMatrix", (int)eye, out pMatrix))
-            {
-                return;
-            }
-
-            // Get view and projection matrices.
-            Profiler.BeginSample("(COF)[CanvasExt] GetViewProjectionMatrix");
-            var rootCanvas = canvas.rootCanvas;
-            var cam = rootCanvas.worldCamera;
-            if (rootCanvas && rootCanvas.renderMode != RenderMode.ScreenSpaceOverlay && cam)
-            {
-                if (eye == Camera.MonoOrStereoscopicEye.Mono)
-                {
-                    vMatrix = cam.worldToCameraMatrix;
-                    pMatrix = GL.GetGPUProjectionMatrix(cam.projectionMatrix, false);
-                }
-                else
-                {
-                    pMatrix = cam.GetStereoProjectionMatrix((Camera.StereoscopicEye)eye);
-                    vMatrix = cam.GetStereoViewMatrix((Camera.StereoscopicEye)eye);
-                    pMatrix = GL.GetGPUProjectionMatrix(pMatrix, false);
-                }
-            }
-            else
-            {
-                var pos = rootCanvas.transform.position;
-                vMatrix = Matrix4x4.TRS(
-                    new Vector3(-pos.x, -pos.y, -1000),
-                    Quaternion.identity,
-                    new Vector3(1, 1, -1f));
-                pMatrix = Matrix4x4.TRS(
-                    new Vector3(0, 0, -1),
-                    Quaternion.identity,
-                    new Vector3(1 / pos.x, 1 / pos.y, -2 / 10000f));
-            }
-
-            FrameCache.Set(canvas, "GetViewMatrix", (int)eye, vMatrix);
-            FrameCache.Set(canvas, "GetProjectionMatrix", (int)eye, pMatrix);
-
-            Profiler.EndSample();
-        }
-    }
-}

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

@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 9dd767b8c0f95478386e7d5079cd44df
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Packages/src/Runtime/Internal/Extensions/Color32Extensions.cs

@@ -1,77 +0,0 @@
-using System.Collections.Generic;
-using UnityEngine;
-using UnityEngine.Profiling;
-
-namespace Coffee.UIParticleInternal
-{
-    internal static class Color32Extensions
-    {
-        private static readonly List<Color32> s_Colors = new List<Color32>();
-        private static byte[] s_LinearToGammaLut;
-        private static byte[] s_GammaToLinearLut;
-
-        public static byte LinearToGamma(this byte self)
-        {
-            if (s_LinearToGammaLut == null)
-            {
-                s_LinearToGammaLut = new byte[256];
-                for (var i = 0; i < 256; i++)
-                {
-                    s_LinearToGammaLut[i] = (byte)(Mathf.LinearToGammaSpace(i / 255f) * 255f);
-                }
-            }
-
-            return s_LinearToGammaLut[self];
-        }
-
-        public static byte GammaToLinear(this byte self)
-        {
-            if (s_GammaToLinearLut == null)
-            {
-                s_GammaToLinearLut = new byte[256];
-                for (var i = 0; i < 256; i++)
-                {
-                    s_GammaToLinearLut[i] = (byte)(Mathf.GammaToLinearSpace(i / 255f) * 255f);
-                }
-            }
-
-            return s_GammaToLinearLut[self];
-        }
-
-        public static void LinearToGamma(this Mesh self)
-        {
-            Profiler.BeginSample("(COF)[ColorExt] LinearToGamma (Mesh)");
-            self.GetColors(s_Colors);
-            var count = s_Colors.Count;
-            for (var i = 0; i < count; i++)
-            {
-                var c = s_Colors[i];
-                c.r = c.r.LinearToGamma();
-                c.g = c.g.LinearToGamma();
-                c.b = c.b.LinearToGamma();
-                s_Colors[i] = c;
-            }
-
-            self.SetColors(s_Colors);
-            Profiler.EndSample();
-        }
-
-        public static void GammaToLinear(this Mesh self)
-        {
-            Profiler.BeginSample("(COF)[ColorExt] GammaToLinear (Mesh)");
-            self.GetColors(s_Colors);
-            var count = s_Colors.Count;
-            for (var i = 0; i < count; i++)
-            {
-                var c = s_Colors[i];
-                c.r = c.r.GammaToLinear();
-                c.g = c.g.GammaToLinear();
-                c.b = c.b.GammaToLinear();
-                s_Colors[i] = c;
-            }
-
-            self.SetColors(s_Colors);
-            Profiler.EndSample();
-        }
-    }
-}

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

@@ -1,227 +0,0 @@
-using System;
-using System.Collections.Generic;
-using UnityEditor;
-using UnityEngine;
-using UnityEngine.Profiling;
-using Object = UnityEngine.Object;
-
-namespace Coffee.UIParticleInternal
-{
-    /// <summary>
-    /// Extension methods for Component class.
-    /// </summary>
-    internal static class ComponentExtensions
-    {
-        /// <summary>
-        /// Get components in children of a specific type in the hierarchy of a GameObject.
-        /// </summary>
-        public static T[] GetComponentsInChildren<T>(this Component self, int depth)
-            where T : Component
-        {
-            var results = InternalListPool<T>.Rent();
-            self.GetComponentsInChildren_Internal(results, depth);
-            var array = results.ToArray();
-            InternalListPool<T>.Return(ref results);
-            return array;
-        }
-
-        /// <summary>
-        /// Get components in children of a specific type in the hierarchy of a GameObject.
-        /// </summary>
-        public static void GetComponentsInChildren<T>(this Component self, List<T> results, int depth)
-            where T : Component
-        {
-            results.Clear();
-            self.GetComponentsInChildren_Internal(results, depth);
-        }
-
-        private static void GetComponentsInChildren_Internal<T>(this Component self, List<T> results, int depth)
-            where T : Component
-        {
-            if (!self || results == null || depth < 0) return;
-
-            var tr = self.transform;
-            if (tr.TryGetComponent<T>(out var t))
-            {
-                results.Add(t);
-            }
-
-            if (depth - 1 < 0) return;
-            var childCount = tr.childCount;
-            for (var i = 0; i < childCount; i++)
-            {
-                tr.GetChild(i).GetComponentsInChildren_Internal(results, depth - 1);
-            }
-        }
-
-        /// <summary>
-        /// Get or add a component of a specific type to a GameObject.
-        /// </summary>
-        public static T GetOrAddComponent<T>(this Component self) where T : Component
-        {
-            if (!self) return null;
-            return self.TryGetComponent<T>(out var component)
-                ? component
-                : self.gameObject.AddComponent<T>();
-        }
-
-        /// <summary>
-        /// Get the root component of a specific type in the hierarchy of a GameObject.
-        /// </summary>
-        public static T GetRootComponent<T>(this Component self) where T : Component
-        {
-            T component = null;
-            var transform = self.transform;
-            while (transform)
-            {
-                if (transform.TryGetComponent<T>(out var c))
-                {
-                    component = c;
-                }
-
-                transform = transform.parent;
-            }
-
-            return component;
-        }
-
-        /// <summary>
-        /// Get a component of a specific type in the parent hierarchy of a GameObject.
-        /// </summary>
-        public static T GetComponentInParent<T>(this Component self, bool includeSelf, Transform stopAfter,
-            Predicate<T> valid)
-            where T : Component
-        {
-            var tr = includeSelf ? self.transform : self.transform.parent;
-            while (tr)
-            {
-                if (tr.TryGetComponent<T>(out var c) && valid(c)) return c;
-                if (tr == stopAfter) return null;
-                tr = tr.parent;
-            }
-
-            return null;
-        }
-
-        /// <summary>
-        /// Add a component of a specific type to the children of a GameObject.
-        /// </summary>
-        public static void AddComponentOnChildren<T>(this Component self, HideFlags hideFlags, bool includeSelf)
-            where T : Component
-        {
-            if (self == null) return;
-
-            Profiler.BeginSample("(COF)[ComponentExt] AddComponentOnChildren > Self");
-            if (includeSelf && !self.TryGetComponent<T>(out _))
-            {
-                var c = self.gameObject.AddComponent<T>();
-                c.hideFlags = hideFlags;
-            }
-
-            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;
-
-                var c = child.gameObject.AddComponent<T>();
-                c.hideFlags = hideFlags;
-            }
-
-            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
-        {
-            if (!self) return null;
-            if (!includeInactive) return self.GetComponentInParent<T>();
-
-            var current = self.transform;
-            while (current)
-            {
-                if (current.TryGetComponent<T>(out var c)) return c;
-                current = current.parent;
-            }
-
-            return null;
-        }
-#endif
-
-#if UNITY_EDITOR
-        /// <summary>
-        /// Verify whether it can be converted to the specified component.
-        /// </summary>
-        internal static bool CanConvertTo<T>(this Object context) where T : MonoBehaviour
-        {
-            return context && context.GetType() != typeof(T);
-        }
-
-        /// <summary>
-        /// Convert to the specified component.
-        /// </summary>
-        internal static void ConvertTo<T>(this Object context) where T : MonoBehaviour
-        {
-            var target = context as MonoBehaviour;
-            if (target == null) return;
-
-            var so = new SerializedObject(target);
-            so.Update();
-
-            var oldEnable = target.enabled;
-            target.enabled = false;
-
-            // Find MonoScript of the specified component.
-            foreach (var script in MonoImporter.GetAllRuntimeMonoScripts())
-            {
-                if (script.GetClass() != typeof(T))
-                {
-                    continue;
-                }
-
-                // Set 'm_Script' to convert.
-                so.FindProperty("m_Script").objectReferenceValue = script;
-                so.ApplyModifiedProperties();
-                break;
-            }
-
-            if (so.targetObject is MonoBehaviour mb)
-            {
-                mb.enabled = oldEnable;
-            }
-        }
-#endif
-    }
-}

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

@@ -1,60 +0,0 @@
-using System;
-using UnityEngine;
-using UnityEngine.U2D;
-#if UNITY_EDITOR
-using System.Reflection;
-#endif
-
-namespace Coffee.UIParticleInternal
-{
-    /// <summary>
-    /// Extension methods for Sprite class.
-    /// </summary>
-    internal static class SpriteExtensions
-    {
-#if UNITY_EDITOR
-        private static readonly Type s_SpriteEditorExtensionType =
-            Type.GetType("UnityEditor.Experimental.U2D.SpriteEditorExtension, UnityEditor")
-            ?? Type.GetType("UnityEditor.U2D.SpriteEditorExtension, UnityEditor");
-
-        private static readonly Func<Sprite, Texture2D> s_GetActiveAtlasTextureMethod =
-            (Func<Sprite, Texture2D>)Delegate.CreateDelegate(typeof(Func<Sprite, Texture2D>),
-                s_SpriteEditorExtensionType
-                    .GetMethod("GetActiveAtlasTexture", BindingFlags.Static | BindingFlags.NonPublic));
-
-        private static readonly Func<Sprite, SpriteAtlas> s_GetActiveAtlasMethod =
-            (Func<Sprite, SpriteAtlas>)Delegate.CreateDelegate(typeof(Func<Sprite, SpriteAtlas>),
-                s_SpriteEditorExtensionType
-                    .GetMethod("GetActiveAtlas", BindingFlags.Static | BindingFlags.NonPublic));
-
-        /// <summary>
-        /// Get the actual texture of a sprite in play mode or edit mode.
-        /// </summary>
-        public static Texture2D GetActualTexture(this Sprite self)
-        {
-            if (!self) return null;
-
-            var ret = s_GetActiveAtlasTextureMethod(self);
-            return ret ? ret : self.texture;
-        }
-
-        /// <summary>
-        /// Get the active sprite atlas of a sprite in play mode or edit mode.
-        /// </summary>
-        public static SpriteAtlas GetActiveAtlas(this Sprite self)
-        {
-            if (!self) return null;
-
-            return s_GetActiveAtlasMethod(self);
-        }
-#else
-        /// <summary>
-        /// Get the actual texture of a sprite in play mode.
-        /// </summary>
-        internal static Texture2D GetActualTexture(this Sprite self)
-        {
-            return self ? self.texture : null;
-        }
-#endif
-    }
-}

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

@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: a7a2e11131111447cb7fc0394a14da65
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Packages/src/Runtime/Internal/Extensions/Vector3Extensions.cs

@@ -1,46 +0,0 @@
-using UnityEngine;
-
-namespace Coffee.UIParticleInternal
-{
-    internal static class Vector3Extensions
-    {
-        public static Vector3 Inverse(this Vector3 self)
-        {
-            self.x = Mathf.Approximately(self.x, 0) ? 1 : 1 / self.x;
-            self.y = Mathf.Approximately(self.y, 0) ? 1 : 1 / self.y;
-            self.z = Mathf.Approximately(self.z, 0) ? 1 : 1 / self.z;
-            return self;
-        }
-
-        public static Vector3 GetScaled(this Vector3 self, Vector3 other1)
-        {
-            self.Scale(other1);
-            return self;
-        }
-
-        public static Vector3 GetScaled(this Vector3 self, Vector3 other1, Vector3 other2)
-        {
-            self.Scale(other1);
-            self.Scale(other2);
-            return self;
-        }
-
-        public static Vector3 GetScaled(this Vector3 self, Vector3 other1, Vector3 other2, Vector3 other3)
-        {
-            self.Scale(other1);
-            self.Scale(other2);
-            self.Scale(other3);
-            return self;
-        }
-
-        public static bool IsVisible(this Vector3 self)
-        {
-            return 0 < Mathf.Abs(self.x * self.y * self.z);
-        }
-
-        public static bool IsVisible2D(this Vector3 self)
-        {
-            return 0 < Mathf.Abs(self.x * self.y);
-        }
-    }
-}

Packages/src/Runtime/Internal/Extensions/Vector3Extensions.cs.meta

@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 6a7b5fb989e4b48c8bc7ecce834060f5
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Packages/src/Runtime/Internal/ProjectSettings/PreloadedProjectSettings.cs

@@ -1,242 +0,0 @@
-using System;
-using System.Linq;
-using UnityEngine;
-using Object = UnityEngine.Object;
-#if UNITY_EDITOR
-using System.IO;
-using UnityEditor;
-using UnityEditor.Build;
-using UnityEditor.Build.Reporting;
-#endif
-
-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;
-
-            void IPreprocessBuildWithReport.OnPreprocessBuild(BuildReport report)
-            {
-                Initialize();
-            }
-        }
-
-        private static void Initialize()
-        {
-            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 = CreateInstance(t) as PreloadedProjectSettings;
-                    SetDefaultSettings(defaultSettings);
-                }
-                else if (GetPreloadedSettings(t).Length != 1)
-                {
-                    SetDefaultSettings(defaultSettings);
-                }
-
-                if (defaultSettings)
-                {
-                    defaultSettings.OnInitialize();
-                }
-            }
-        }
-
-        protected static string GetDefaultName(Type type, bool nicify)
-        {
-            var typeName = type.Name;
-            return nicify
-                ? ObjectNames.NicifyVariableName(typeName)
-                : typeName;
-        }
-
-        private static Object[] GetPreloadedSettings(Type type)
-        {
-            return PlayerSettings.GetPreloadedAssets()
-                .Where(x => x && x.GetType() == type)
-                .ToArray();
-        }
-
-        protected static PreloadedProjectSettings GetDefaultSettings(Type type)
-        {
-            return GetPreloadedSettings(type).FirstOrDefault() as PreloadedProjectSettings
-                   ?? AssetDatabase.FindAssets($"t:{nameof(PreloadedProjectSettings)}")
-                       .Select(AssetDatabase.GUIDToAssetPath)
-                       .Select(AssetDatabase.LoadAssetAtPath<PreloadedProjectSettings>)
-                       .FirstOrDefault(x => x && x.GetType() == type);
-        }
-
-        protected static void SetDefaultSettings(PreloadedProjectSettings asset)
-        {
-            if (!asset) return;
-
-            var type = asset.GetType();
-            if (string.IsNullOrEmpty(AssetDatabase.GetAssetPath(asset)))
-            {
-                if (!AssetDatabase.IsValidFolder("Assets/ProjectSettings"))
-                {
-                    AssetDatabase.CreateFolder("Assets", "ProjectSettings");
-                }
-
-                var assetPath = $"Assets/ProjectSettings/{GetDefaultName(type, false)}.asset";
-                assetPath = AssetDatabase.GenerateUniqueAssetPath(assetPath);
-                if (!File.Exists(assetPath))
-                {
-                    AssetDatabase.CreateAsset(asset, assetPath);
-                    asset.OnCreateAsset();
-                }
-            }
-
-            var preloadedAssets = PlayerSettings.GetPreloadedAssets();
-            var projectSettings = GetPreloadedSettings(type);
-            PlayerSettings.SetPreloadedAssets(preloadedAssets
-                .Where(x => x)
-                .Except(projectSettings.Except(new[] { asset }))
-                .Append(asset)
-                .Distinct()
-                .ToArray());
-
-            AssetDatabase.Refresh();
-        }
-
-        protected virtual void OnCreateAsset()
-        {
-        }
-
-        protected virtual void OnInitialize()
-        {
-        }
-    }
-#else
-    {
-    }
-#endif
-
-    public abstract class PreloadedProjectSettings<T> : PreloadedProjectSettings
-        where T : PreloadedProjectSettings<T>
-    {
-        private static T s_Instance;
-
-#if UNITY_EDITOR
-        private string _jsonText;
-
-        public static bool hasInstance => s_Instance;
-
-        public static T instance
-        {
-            get
-            {
-                if (s_Instance) return s_Instance;
-
-                s_Instance = GetDefaultSettings(typeof(T)) as T;
-                if (s_Instance) return s_Instance;
-
-                s_Instance = CreateInstance<T>();
-                if (!s_Instance)
-                {
-                    s_Instance = null;
-                    return s_Instance;
-                }
-
-                SetDefaultSettings(s_Instance);
-                return s_Instance;
-            }
-        }
-
-        private void OnPlayModeStateChanged(PlayModeStateChange state)
-        {
-            switch (state)
-            {
-                case PlayModeStateChange.ExitingEditMode:
-                    _jsonText = EditorJsonUtility.ToJson(this);
-                    break;
-                case PlayModeStateChange.ExitingPlayMode:
-                    if (_jsonText != null)
-                    {
-                        EditorJsonUtility.FromJsonOverwrite(_jsonText, this);
-                        _jsonText = null;
-                    }
-
-                    break;
-            }
-        }
-#else
-        public static T instance => s_Instance ? s_Instance : s_Instance = CreateInstance<T>();
-#endif
-
-        /// <summary>
-        /// This function is called when the object becomes enabled and active.
-        /// </summary>
-        protected virtual void OnEnable()
-        {
-#if UNITY_EDITOR
-            var isDefaultSettings = !s_Instance || s_Instance == this || GetDefaultSettings(typeof(T)) == this;
-            if (!isDefaultSettings)
-            {
-                DestroyImmediate(this, true);
-                return;
-            }
-
-            EditorApplication.playModeStateChanged += OnPlayModeStateChanged;
-#endif
-
-            if (s_Instance) return;
-            s_Instance = this as T;
-        }
-
-        /// <summary>
-        /// This function is called when the behaviour becomes disabled.
-        /// </summary>
-        protected virtual void OnDisable()
-        {
-#if UNITY_EDITOR
-            EditorApplication.playModeStateChanged -= OnPlayModeStateChanged;
-#endif
-            if (s_Instance != this) return;
-
-            s_Instance = null;
-        }
-
-#if UNITY_EDITOR
-        protected sealed class PreloadedProjectSettingsProvider : SettingsProvider
-        {
-            private Editor _editor;
-            private PreloadedProjectSettings<T> _target;
-
-            public PreloadedProjectSettingsProvider(string path) : base(path, SettingsScope.Project)
-            {
-            }
-
-            public override void OnGUI(string searchContext)
-            {
-                if (!_target)
-                {
-                    if (_editor)
-                    {
-                        DestroyImmediate(_editor);
-                        _editor = null;
-                    }
-
-                    _target = instance;
-                    _editor = Editor.CreateEditor(_target);
-                }
-
-                _editor.OnInspectorGUI();
-            }
-        }
-#endif
-    }
-}

Packages/src/Runtime/Internal/ProjectSettings/PreloadedProjectSettings.cs.meta

@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 790ea008741dc411497c8794745319eb
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

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

@@ -1,89 +0,0 @@
-using System;
-using System.Collections.Generic;
-using UnityEngine;
-using UnityEngine.Profiling;
-
-namespace Coffee.UIParticleInternal
-{
-    /// <summary>
-    /// Base class for a fast action.
-    /// </summary>
-    internal class FastActionBase<T>
-    {
-        private static readonly InternalObjectPool<LinkedListNode<T>> s_NodePool =
-            new InternalObjectPool<LinkedListNode<T>>(() => new LinkedListNode<T>(default), _ => true,
-                x => x.Value = default);
-
-        private readonly LinkedList<T> _delegates = new LinkedList<T>();
-
-        /// <summary>
-        /// Adds a delegate to the action.
-        /// </summary>
-        public void Add(T rhs)
-        {
-            if (rhs == null) return;
-            Profiler.BeginSample("(COF)[FastAction] Add Action");
-            var node = s_NodePool.Rent();
-            node.Value = rhs;
-            _delegates.AddLast(node);
-            Profiler.EndSample();
-        }
-
-        /// <summary>
-        /// Removes a delegate from the action.
-        /// </summary>
-        public void Remove(T rhs)
-        {
-            if (rhs == null) return;
-            Profiler.BeginSample("(COF)[FastAction] Remove Action");
-            var node = _delegates.Find(rhs);
-            if (node != null)
-            {
-                _delegates.Remove(node);
-                s_NodePool.Return(ref node);
-            }
-
-            Profiler.EndSample();
-        }
-
-        /// <summary>
-        /// Invokes the action with a callback function.
-        /// </summary>
-        protected void Invoke(Action<T> callback)
-        {
-            var node = _delegates.First;
-            while (node != null)
-            {
-                try
-                {
-                    callback(node.Value);
-                }
-                catch (Exception e)
-                {
-                    Debug.LogException(e);
-                }
-
-                node = node.Next;
-            }
-        }
-
-        public void Clear()
-        {
-            _delegates.Clear();
-        }
-    }
-
-    /// <summary>
-    /// A fast action without parameters.
-    /// </summary>
-    internal class FastAction : FastActionBase<Action>
-    {
-        /// <summary>
-        /// Invoke all the registered delegates.
-        /// </summary>
-        public void Invoke()
-        {
-            Invoke(action => action.Invoke());
-        }
-    }
-}

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

@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: a7c8c268a827b4787a8e050f1fe95ad5
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

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

@@ -1,101 +0,0 @@
-using System;
-using System.Collections.Generic;
-using UnityEngine;
-
-namespace Coffee.UIParticleInternal
-{
-    internal static class FrameCache
-    {
-        private static readonly Dictionary<Type, IFrameCache> s_Caches = new Dictionary<Type, IFrameCache>();
-
-        static FrameCache()
-        {
-            s_Caches.Clear();
-            UIExtraCallbacks.onLateAfterCanvasRebuild += ClearAllCache;
-        }
-
-#if UNITY_EDITOR
-        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
-        private static void Clear()
-        {
-            s_Caches.Clear();
-        }
-#endif
-
-        /// <summary>
-        /// Tries to retrieve a value from the frame cache with a specified key.
-        /// </summary>
-        public static bool TryGet<T>(object key1, string key2, out T result)
-        {
-            return GetFrameCache<T>().TryGet((key1.GetHashCode(), key2.GetHashCode()), out result);
-        }
-
-        /// <summary>
-        /// Tries to retrieve a value from the frame cache with a specified key.
-        /// </summary>
-        public static bool TryGet<T>(object key1, string key2, int key3, out T result)
-        {
-            return GetFrameCache<T>().TryGet((key1.GetHashCode(), key2.GetHashCode() + key3), out result);
-        }
-
-        /// <summary>
-        /// Sets a value in the frame cache with a specified key.
-        /// </summary>
-        public static void Set<T>(object key1, string key2, T result)
-        {
-            GetFrameCache<T>().Set((key1.GetHashCode(), key2.GetHashCode()), result);
-        }
-
-        /// <summary>
-        /// Sets a value in the frame cache with a specified key.
-        /// </summary>
-        public static void Set<T>(object key1, string key2, int key3, T result)
-        {
-            GetFrameCache<T>().Set((key1.GetHashCode(), key2.GetHashCode() + key3), result);
-        }
-
-        private static void ClearAllCache()
-        {
-            foreach (var cache in s_Caches.Values)
-            {
-                cache.Clear();
-            }
-        }
-
-        private static FrameCacheContainer<T> GetFrameCache<T>()
-        {
-            var t = typeof(T);
-            if (s_Caches.TryGetValue(t, out var frameCache)) return frameCache as FrameCacheContainer<T>;
-
-            frameCache = new FrameCacheContainer<T>();
-            s_Caches.Add(t, frameCache);
-
-            return (FrameCacheContainer<T>)frameCache;
-        }
-
-        private interface IFrameCache
-        {
-            void Clear();
-        }
-
-        private class FrameCacheContainer<T> : IFrameCache
-        {
-            private readonly Dictionary<(int, int), T> _caches = new Dictionary<(int, int), T>();
-
-            public void Clear()
-            {
-                _caches.Clear();
-            }
-
-            public bool TryGet((int, int) key, out T result)
-            {
-                return _caches.TryGetValue(key, out result);
-            }
-
-            public void Set((int, int) key, T result)
-            {
-                _caches[key] = result;
-            }
-        }
-    }
-}

Packages/src/Runtime/Internal/Utilities/FrameCache.cs.meta

@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 5f129e3b07ffb4d3bbb4cc5f6bd94087
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

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

@@ -1,254 +0,0 @@
-using System;
-using System.Text;
-using UnityEngine;
-using Object = UnityEngine.Object;
-#if ENABLE_COFFEE_LOGGER
-using System.Reflection;
-using System.Collections.Generic;
-#else
-using Conditional = System.Diagnostics.ConditionalAttribute;
-#endif
-
-namespace Coffee.UIParticleInternal
-{
-    internal static class Logging
-    {
-#if !ENABLE_COFFEE_LOGGER
-        private const string k_DisableSymbol = "DISABLE_COFFEE_LOGGER";
-
-        [Conditional(k_DisableSymbol)]
-#endif
-        private static void Log_Internal(LogType type, object tag, object message, Object context)
-        {
-#if ENABLE_COFFEE_LOGGER
-            AppendTag(s_Sb, tag);
-            s_Sb.Append(message);
-            switch (type)
-            {
-                case LogType.Error:
-                case LogType.Assert:
-                case LogType.Exception:
-                    Debug.LogError(s_Sb, context);
-                    break;
-                case LogType.Warning:
-                    Debug.LogWarning(s_Sb, context);
-                    break;
-                case LogType.Log:
-                    Debug.Log(s_Sb, context);
-                    break;
-            }
-
-            s_Sb.Length = 0;
-#endif
-        }
-
-#if !ENABLE_COFFEE_LOGGER
-        [Conditional(k_DisableSymbol)]
-#endif
-        public static void LogIf(bool enable, object tag, object message, Object context = null)
-        {
-            if (!enable) return;
-            Log_Internal(LogType.Log, tag, message, context ? context : tag as Object);
-        }
-
-#if !ENABLE_COFFEE_LOGGER
-        [Conditional(k_DisableSymbol)]
-#endif
-        public static void Log(object tag, object message, Object context = null)
-        {
-            Log_Internal(LogType.Log, tag, message, context ? context : tag as Object);
-        }
-
-#if !ENABLE_COFFEE_LOGGER
-        [Conditional(k_DisableSymbol)]
-#endif
-        public static void LogWarning(object tag, object message, Object context = null)
-        {
-            Log_Internal(LogType.Warning, tag, message, context ? context : tag as Object);
-        }
-
-        public static void LogError(object tag, object message, Object context = null)
-        {
-#if ENABLE_COFFEE_LOGGER
-            Log_Internal(LogType.Error, tag, message, context ? context : tag as Object);
-#else
-            Debug.LogError($"{tag}: {message}", context);
-#endif
-        }
-
-#if !ENABLE_COFFEE_LOGGER
-        [Conditional(k_DisableSymbol)]
-#endif
-        public static void LogMulticast(Type type, string fieldName, object instance = null, string message = null)
-        {
-#if ENABLE_COFFEE_LOGGER
-            AppendTag(s_Sb, instance ?? type);
-
-            var handler = type
-                .GetField(fieldName,
-                    BindingFlags.Static | BindingFlags.Instance | BindingFlags.Static | BindingFlags.NonPublic)
-                ?.GetValue(instance);
-
-            var list = ((MulticastDelegate)handler)?.GetInvocationList() ?? Array.Empty<Delegate>();
-            s_Sb.Append("<color=orange>");
-            s_Sb.Append(type.Name);
-            s_Sb.Append(".");
-            s_Sb.Append(fieldName);
-            s_Sb.Append(" has ");
-            s_Sb.Append(list.Length);
-            s_Sb.Append(" callbacks");
-            if (message != null)
-            {
-                s_Sb.Append(" (");
-                s_Sb.Append(message);
-                s_Sb.Append(")");
-            }
-
-            s_Sb.Append(":</color>");
-
-            for (var i = 0; i < list.Length; i++)
-            {
-                s_Sb.Append("\n - ");
-                s_Sb.Append(list[i].Method.DeclaringType?.Name);
-                s_Sb.Append(".");
-                s_Sb.Append(list[i].Method.Name);
-            }
-
-            Debug.Log(s_Sb);
-            s_Sb.Length = 0;
-#endif
-        }
-
-#if !ENABLE_COFFEE_LOGGER
-        [Conditional(k_DisableSymbol)]
-#endif
-        private static void AppendTag(StringBuilder sb, object tag)
-        {
-#if ENABLE_COFFEE_LOGGER
-            try
-            {
-                sb.Append("f");
-                sb.Append(Time.frameCount);
-                sb.Append(":<color=#");
-                AppendReadableCode(sb, tag);
-                sb.Append("><b>[");
-
-                switch (tag)
-                {
-                    case string name:
-                        sb.Append(name);
-                        break;
-                    case Type type:
-                        AppendType(sb, type);
-                        break;
-                    case Object uObject:
-                        AppendType(sb, tag.GetType());
-                        sb.Append(" #");
-                        sb.Append(uObject.name);
-                        break;
-                    default:
-                        AppendType(sb, tag.GetType());
-                        break;
-                }
-
-                sb.Append("]</b></color> ");
-            }
-            catch
-            {
-                sb.Append("f");
-                sb.Append(Time.frameCount);
-                sb.Append(":<b>[");
-                sb.Append(tag);
-                sb.Append("]</b> ");
-            }
-#endif
-        }
-
-#if !ENABLE_COFFEE_LOGGER
-        [Conditional(k_DisableSymbol)]
-#endif
-        private static void AppendType(StringBuilder sb, Type type)
-        {
-#if ENABLE_COFFEE_LOGGER
-            if (s_TypeNameCache.TryGetValue(type, out var name))
-            {
-                sb.Append(name);
-                return;
-            }
-
-            // New type found
-            var start = sb.Length;
-            if (0 < start && sb[start - 1] == '<' && (type.Name == "Material" || type.Name == "Color"))
-            {
-                sb.Append('@');
-            }
-
-            sb.Append(type.Name);
-            if (type.IsGenericType)
-            {
-                sb.Length -= 2;
-                sb.Append("<");
-                foreach (var gType in type.GetGenericArguments())
-                {
-                    AppendType(sb, gType);
-                    sb.Append(", ");
-                }
-
-                sb.Length -= 2;
-                sb.Append(">");
-            }
-
-            s_TypeNameCache.Add(type, sb.ToString(start, sb.Length - start));
-#endif
-        }
-
-#if !ENABLE_COFFEE_LOGGER
-        [Conditional(k_DisableSymbol)]
-#endif
-        private static void AppendReadableCode(StringBuilder sb, object tag)
-        {
-#if ENABLE_COFFEE_LOGGER
-            int hash;
-            try
-            {
-                switch (tag)
-                {
-                    case string text:
-                        hash = text.GetHashCode();
-                        break;
-                    case Type type:
-                        type = type.IsGenericType ? type.GetGenericTypeDefinition() : type;
-                        hash = type.FullName?.GetHashCode() ?? 0;
-                        break;
-                    default:
-                        hash = tag.GetType().FullName?.GetHashCode() ?? 0;
-                        break;
-                }
-            }
-            catch
-            {
-                sb.Append("FFFFFF");
-                return;
-            }
-
-            hash = hash & (s_Codes.Length - 1);
-            if (s_Codes[hash] == null)
-            {
-                var hue = hash / (float)s_Codes.Length;
-                var modifier = 1f - Mathf.Clamp01(Mathf.Abs(hue - 0.65f) / 0.2f);
-                var saturation = 0.7f + modifier * -0.2f;
-                var value = 0.8f + modifier * 0.3f;
-                s_Codes[hash] = ColorUtility.ToHtmlStringRGB(Color.HSVToRGB(hue, saturation, value));
-            }
-
-            sb.Append(s_Codes[hash]);
-#endif
-        }
-
-#if ENABLE_COFFEE_LOGGER
-        private static readonly StringBuilder s_Sb = new StringBuilder();
-        private static readonly string[] s_Codes = new string[64];
-        private static readonly Dictionary<Type, string> s_TypeNameCache = new Dictionary<Type, string>();
-#endif
-    }
-}

Packages/src/Runtime/Internal/Utilities/Logging.cs.meta

@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 8255313895da84e7cbdc876be3795334
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

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

@@ -1,92 +0,0 @@
-using System;
-using UnityEngine;
-using UnityEngine.Profiling;
-
-namespace Coffee.UIParticleInternal
-{
-    /// <summary>
-    /// Provides functionality to manage materials.
-    /// </summary>
-    internal static class MaterialRepository
-    {
-        private static readonly ObjectRepository<Material> s_Repository = new ObjectRepository<Material>();
-
-        public static int count => s_Repository.count;
-
-#if UNITY_EDITOR
-        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
-        public static void Clear()
-        {
-            s_Repository.Clear();
-        }
-#endif
-
-        /// <summary>
-        /// Retrieves a cached material based on the hash.
-        /// </summary>
-        public static bool Valid(Hash128 hash, Material material)
-        {
-            Profiler.BeginSample("(COF)[MaterialRegistry] Valid");
-            var ret = s_Repository.Valid(hash, material);
-            Profiler.EndSample();
-            return ret;
-        }
-
-        /// <summary>
-        /// Adds or retrieves a cached material based on the hash.
-        /// </summary>
-        public static void Get(Hash128 hash, ref Material material, Func<Material> onCreate)
-        {
-            Profiler.BeginSample("(COF)[MaterialRepository] Get");
-            s_Repository.Get(hash, ref material, onCreate);
-            Profiler.EndSample();
-        }
-
-        /// <summary>
-        /// Adds or retrieves a cached material based on the hash.
-        /// </summary>
-        public static void Get(Hash128 hash, ref Material material, string shaderName)
-        {
-            Profiler.BeginSample("(COF)[MaterialRepository] Get");
-            s_Repository.Get(hash, ref material, x => new Material(Shader.Find(x))
-            {
-                hideFlags = HideFlags.DontSave | HideFlags.NotEditable
-            }, shaderName);
-            Profiler.EndSample();
-        }
-
-        /// <summary>
-        /// Adds or retrieves a cached material based on the hash.
-        /// </summary>
-        public static void Get(Hash128 hash, ref Material material, string shaderName, string[] keywords)
-        {
-            Profiler.BeginSample("(COF)[MaterialRepository] Get");
-            s_Repository.Get(hash, ref material, x => new Material(Shader.Find(x.shaderName))
-            {
-                hideFlags = HideFlags.DontSave | HideFlags.NotEditable,
-                shaderKeywords = x.keywords
-            }, (shaderName, keywords));
-            Profiler.EndSample();
-        }
-
-        /// <summary>
-        /// Adds or retrieves a cached material based on the hash.
-        /// </summary>
-        public static void Get<T>(Hash128 hash, ref Material material, Func<T, Material> onCreate, T source)
-        {
-            Profiler.BeginSample("(COF)[MaterialRepository] Get");
-            s_Repository.Get(hash, ref material, onCreate, source);
-            Profiler.EndSample();
-        }
-
-        /// <summary>
-        /// Removes a soft mask material from the cache.
-        /// </summary>
-        public static void Release(ref Material material)
-        {
-            Profiler.BeginSample("(COF)[MaterialRepository] Release");
-            s_Repository.Release(ref material);
-            Profiler.EndSample();
-        }
-    }
-}

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

@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 702912f2ee2ec49bb8003a64151ae4f7
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

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

@@ -1,132 +0,0 @@
-using System;
-using System.Diagnostics;
-using UnityEditor;
-using UnityEngine;
-using Object = UnityEngine.Object;
-#if UNITY_EDITOR
-using System.IO;
-using System.Linq;
-using System.Reflection;
-#if UNITY_2021_2_OR_NEWER
-using UnityEditor.SceneManagement;
-#else
-using UnityEditor.Experimental.SceneManagement;
-#endif
-#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;
-#if UNITY_EDITOR
-            if (!Application.isPlaying)
-            {
-                Object.DestroyImmediate(obj);
-            }
-            else
-#endif
-            {
-                Object.Destroy(obj);
-            }
-        }
-
-        public static void DestroyImmediate(Object obj)
-        {
-            if (!obj) return;
-#if UNITY_EDITOR
-            if (Application.isEditor)
-            {
-                Object.DestroyImmediate(obj);
-            }
-            else
-#endif
-            {
-                Object.Destroy(obj);
-            }
-        }
-
-        [Conditional("UNITY_EDITOR")]
-        public static void SetDirty(Object obj)
-        {
-#if UNITY_EDITOR
-            if (!obj) return;
-            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
-
-        [Conditional("UNITY_EDITOR")]
-        public static void QueuePlayerLoopUpdate()
-        {
-#if UNITY_EDITOR
-            if (!EditorApplication.isPlaying)
-            {
-                EditorApplication.QueuePlayerLoopUpdate();
-            }
-#endif
-        }
-    }
-
-#if !UNITY_2021_2_OR_NEWER
-    [AttributeUsage(AttributeTargets.Class)]
-    [Conditional("UNITY_EDITOR")]
-    internal class IconAttribute : Attribute
-    {
-        private readonly string _path;
-
-        public IconAttribute(string path)
-        {
-            _path = path;
-        }
-
-#if UNITY_EDITOR
-        private static Action<Object, Texture2D> s_SetIconForObject = typeof(EditorGUIUtility)
-            .GetMethod("SetIconForObject", BindingFlags.Static | BindingFlags.NonPublic)
-            .CreateDelegate(typeof(Action<Object, Texture2D>), null) as Action<Object, Texture2D>;
-
-        [InitializeOnLoadMethod]
-        private static void InitializeOnLoadMethod()
-        {
-            if (Misc.isBatchOrBuilding) return;
-
-            var types = TypeCache.GetTypesWithAttribute<IconAttribute>();
-            var scripts = MonoImporter.GetAllRuntimeMonoScripts();
-            foreach (var type in types)
-            {
-                var script = scripts.FirstOrDefault(x => x.GetClass() == type);
-                if (!script) continue;
-
-                var path = type.GetCustomAttribute<IconAttribute>()?._path;
-                var icon = AssetDatabase.LoadAssetAtPath<Texture2D>(path);
-                if (!icon) continue;
-
-                s_SetIconForObject(script, icon);
-            }
-        }
-#endif
-    }
-#endif
-}

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

@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 182319ecc315e4858b119764af0fbcb0
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

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

@@ -1,154 +0,0 @@
-using System;
-using System.Collections.Generic;
-
-namespace Coffee.UIParticleInternal
-{
-    /// <summary>
-    /// Object pool.
-    /// </summary>
-    internal class InternalObjectPool<T> where T : class
-    {
-#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)
-        {
-            _onCreate = onCreate;
-            _onValid = onValid;
-            _onReturn = onReturn;
-        }
-
-        /// <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.Count)
-            {
-                var instance = _pool.Pop();
-                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.Count}, created: {++_count}).");
-            return _onCreate();
-        }
-
-        /// <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 || _pool.Contains(instance)) return; // Ignore if already pooled or null.
-
-            _onReturn(instance); // Return the instance to the pool.
-            _pool.Push(instance);
-            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>
-    {
-#if UNITY_2021_1_OR_NEWER
-        /// <summary>
-        /// 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.
-        /// When you no longer need it, return it with <see cref="Return" />.
-        /// </summary>
-        public static List<T> Rent()
-        {
-            return s_ListPool.Rent();
-        }
-
-        /// <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)
-        {
-            s_ListPool.Return(ref toRelease);
-        }
-#endif
-    }
-}

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

@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 632cb1ba34e6a4e80b55a32bb63ca369
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

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

@@ -1,209 +0,0 @@
-using System;
-using System.Collections.Generic;
-using UnityEngine;
-using UnityEngine.Profiling;
-using Object = UnityEngine.Object;
-
-namespace Coffee.UIParticleInternal
-{
-    internal class ObjectRepository<T> where T : Object
-    {
-        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>(8);
-
-        public ObjectRepository(Action<T> onRelease = null)
-        {
-            _name = $"{typeof(T).Name}Repository";
-            if (onRelease == null)
-            {
-                _onRelease = x =>
-                {
-#if UNITY_EDITOR
-                    if (!Application.isPlaying)
-                    {
-                        Object.DestroyImmediate(x, false);
-                    }
-                    else
-#endif
-                    {
-                        Object.Destroy(x);
-                    }
-                };
-            }
-            else
-            {
-                _onRelease = onRelease;
-            }
-
-            for (var i = 0; i < 8; i++)
-            {
-                _pool.Push(new Entry());
-            }
-        }
-
-        public int count => _cache.Count;
-
-        public void Clear()
-        {
-            foreach (var kv in _cache)
-            {
-                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)
-        {
-            return _cache.TryGetValue(hash, out var entry) && entry.storedObject == obj;
-        }
-
-        /// <summary>
-        /// Adds or retrieves a cached object based on the hash.
-        /// </summary>
-        public void Get(Hash128 hash, ref T obj, Func<T> onCreate)
-        {
-            if (GetFromCache(hash, ref obj)) return;
-            Add(hash, ref obj, onCreate());
-        }
-
-        /// <summary>
-        /// Adds or retrieves a cached object based on the hash.
-        /// </summary>
-        public void Get<TS>(Hash128 hash, ref T obj, Func<TS, T> onCreate, TS source)
-        {
-            if (GetFromCache(hash, ref obj)) return;
-            Add(hash, ref obj, onCreate(source));
-        }
-
-        private bool GetFromCache(Hash128 hash, ref T obj)
-        {
-            // Find existing entry.
-            Profiler.BeginSample("(COF)[ObjectRepository] GetFromCache");
-            if (_cache.TryGetValue(hash, out var entry))
-            {
-                if (!entry.storedObject)
-                {
-                    Release(ref entry.storedObject);
-                    Profiler.EndSample();
-                    return false;
-                }
-
-                if (entry.storedObject != obj)
-                {
-                    // if the object is different, release the old one.
-                    Release(ref obj);
-                    ++entry.reference;
-                    obj = entry.storedObject;
-                    Logging.Log(_name, $"Get(total#{count}): {entry}");
-                }
-
-                Profiler.EndSample();
-                return true;
-            }
-
-            Profiler.EndSample();
-            return false;
-        }
-
-        private void Add(Hash128 hash, ref T obj, T newObject)
-        {
-            if (!newObject)
-            {
-                Release(ref obj);
-                obj = newObject;
-                return;
-            }
-
-            // Create and add a new entry.
-            Profiler.BeginSample("(COF)[ObjectRepository] Add");
-            var newEntry = 0 < _pool.Count ? _pool.Pop() : new Entry();
-            newEntry.storedObject = newObject;
-            newEntry.hash = hash;
-            newEntry.reference = 1;
-            _cache[hash] = newEntry;
-            _objectKey[newObject.GetInstanceID()] = hash;
-            Logging.Log(_name, $"<color=#03c700>Add</color>(total#{count}): {newEntry}");
-            Release(ref obj);
-            obj = newObject;
-            Profiler.EndSample();
-        }
-
-        /// <summary>
-        /// Release a object.
-        /// </summary>
-        public void Release(ref T obj)
-        {
-            if (ReferenceEquals(obj, null)) return;
-
-            // Find and release the entry.
-            Profiler.BeginSample("(COF)[ObjectRepository] Release");
-            var id = obj.GetInstanceID();
-            if (_objectKey.TryGetValue(id, out var hash)
-                && _cache.TryGetValue(hash, out var entry))
-            {
-                entry.reference--;
-                if (entry.reference <= 0 || !entry.storedObject)
-                {
-                    Remove(entry);
-                }
-                else
-                {
-                    Logging.Log(_name, $"Release(total#{_cache.Count}): {entry}");
-                }
-            }
-            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;
-            public int reference;
-            public T storedObject;
-
-            public void Release(Action<T> onRelease)
-            {
-                reference = 0;
-                if (storedObject)
-                {
-                    onRelease?.Invoke(storedObject);
-                }
-
-                storedObject = null;
-            }
-
-            public override string ToString()
-            {
-                return $"h{(uint)hash.GetHashCode()} (refs#{reference}), {storedObject}";
-            }
-        }
-    }
-}

Packages/src/Runtime/Internal/Utilities/ObjectRepository.cs.meta

@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: a713d67bdb31e45e296e5f18460717e2
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

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

@@ -1,115 +0,0 @@
-using System;
-using UnityEditor;
-using UnityEngine;
-using UnityEngine.UI;
-
-namespace Coffee.UIParticleInternal
-{
-    /// <summary>
-    /// Provides additional callbacks related to canvas and UI system.
-    /// </summary>
-    internal static class UIExtraCallbacks
-    {
-        private static bool s_IsInitializedAfterCanvasRebuild;
-        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()
-        {
-            Canvas.willRenderCanvases += OnBeforeCanvasRebuild;
-            Logging.LogMulticast(typeof(Canvas), "willRenderCanvases", message: "ctor");
-        }
-
-        /// <summary>
-        /// Event that occurs after canvas rebuilds.
-        /// </summary>
-        public static event Action onLateAfterCanvasRebuild
-        {
-            add => s_LateAfterCanvasRebuildAction.Add(value);
-            remove => s_LateAfterCanvasRebuildAction.Remove(value);
-        }
-
-        /// <summary>
-        /// Event that occurs before canvas rebuilds.
-        /// </summary>
-        public static event Action onBeforeCanvasRebuild
-        {
-            add => s_BeforeCanvasRebuildAction.Add(value);
-            remove => s_BeforeCanvasRebuildAction.Remove(value);
-        }
-
-        /// <summary>
-        /// Event that occurs after canvas rebuilds.
-        /// </summary>
-        public static event Action onAfterCanvasRebuild
-        {
-            add => s_AfterCanvasRebuildAction.Add(value);
-            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>
-        private static void InitializeAfterCanvasRebuild()
-        {
-            if (s_IsInitializedAfterCanvasRebuild) return;
-            s_IsInitializedAfterCanvasRebuild = true;
-
-            CanvasUpdateRegistry.IsRebuildingLayout();
-            Canvas.willRenderCanvases += OnAfterCanvasRebuild;
-            Logging.LogMulticast(typeof(Canvas), "willRenderCanvases",
-                message: "InitializeAfterCanvasRebuild");
-        }
-
-#if UNITY_EDITOR
-        [InitializeOnLoadMethod]
-#endif
-        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
-        private static void InitializeOnLoad()
-        {
-            Canvas.willRenderCanvases -= OnAfterCanvasRebuild;
-            s_IsInitializedAfterCanvasRebuild = false;
-        }
-
-        /// <summary>
-        /// Callback method called before canvas rebuilds.
-        /// </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();
-        }
-
-        /// <summary>
-        /// Callback method called after canvas rebuilds.
-        /// </summary>
-        private static void OnAfterCanvasRebuild()
-        {
-            s_AfterCanvasRebuildAction.Invoke();
-            s_LateAfterCanvasRebuildAction.Invoke();
-        }
-    }
-}

Packages/src/Runtime/Internal/Utilities/UIExtraCallbacks.cs.meta

@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 9ea318e6e3e6c46aa97c72e28230bdc9
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Packages/src/Runtime/ModifiedMaterial.cs

@@ -0,0 +1,72 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace Coffee.UIParticleExtensions
+{
+    internal class ModifiedMaterial
+    {
+        private static readonly List<MatEntry> s_Entries = new List<MatEntry>();
+
+        public static Material Add(Material baseMat, Texture texture, int id, int props)
+        {
+            MatEntry e;
+            for (var i = 0; i < s_Entries.Count; i++)
+            {
+                e = s_Entries[i];
+                if (e.baseMat != baseMat || e.texture != texture || e.id != id || e.props != props) continue;
+                ++e.count;
+                return e.customMat;
+            }
+
+            e = new MatEntry
+            {
+                count = 1,
+                baseMat = baseMat,
+                texture = texture,
+                id = id,
+                props = props,
+                customMat = new Material(baseMat)
+                {
+                    name = $"{baseMat.name}_{id}",
+                    hideFlags = HideFlags.DontSave | HideFlags.NotEditable,
+                    mainTexture = texture ? texture : baseMat.mainTexture
+                }
+            };
+            s_Entries.Add(e);
+            //Debug.LogFormat(">>>> ModifiedMaterial.Add -> count = count:{0}, mat:{1}, tex:{2}, id:{3}", s_Entries.Count, baseMat, texture, id);
+            return e.customMat;
+        }
+
+        public static void Remove(Material customMat)
+        {
+            if (!customMat) return;
+
+            for (var i = 0; i < s_Entries.Count; ++i)
+            {
+                var e = s_Entries[i];
+                if (e.customMat != customMat) continue;
+                if (--e.count == 0)
+                {
+                    //Debug.LogFormat(">>>> ModifiedMaterial.Remove -> count:{0}, mat:{1}, tex:{2}, id:{3}", s_Entries.Count - 1, e.customMat, e.texture, e.id);
+                    Misc.DestroyImmediate(e.customMat);
+                    e.customMat = null;
+                    e.baseMat = null;
+                    e.texture = null;
+                    s_Entries.RemoveAt(i);
+                }
+
+                break;
+            }
+        }
+
+        private class MatEntry
+        {
+            public Material baseMat;
+            public int count;
+            public Material customMat;
+            public int id;
+            public int props;
+            public Texture texture;
+        }
+    }
+}

Packages/src/Runtime/ModifiedMaterial.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 0ef431b9df32c410ea5fa46be81def6b
+guid: b0beae5bb1cb142b9ab90dc0d371f026
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Packages/src/Runtime/UIParticle.cs

@@ -1,27 +1,24 @@
 using System;
 using System.Collections.Generic;
 using System.Runtime.CompilerServices;
-using Coffee.UIParticleInternal;
+using Coffee.UIParticleExtensions;
 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
 {
     /// <summary>
     /// Render maskable and sortable particle effect ,without Camera, RenderTexture or Canvas.
     /// </summary>
-    [Icon("Packages/com.coffee.ui-particle/Icons/UIParticleIcon.png")]
     [ExecuteAlways]
     [RequireComponent(typeof(RectTransform))]
     [RequireComponent(typeof(CanvasRenderer))]
-    public class UIParticle : UIBehaviour, ISerializationCallbackReceiver
+    public class UIParticle : MaskableGraphic, ISerializationCallbackReceiver
     {
         public enum AutoScalingMode
         {
@@ -63,7 +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(1, 1, 1);
+        private Vector3 m_Scale3D = new Vector3(10, 10, 10);
 
         [Tooltip("If you want to update material properties (e.g. _MainTex_ST, _Color) in AnimationClip, " +
                  "use this to mark as animatable.")]
@@ -120,13 +117,6 @@ namespace Coffee.UIExtensions
                  "Change the bake view size.")]
         private float m_CustomViewSize = 10;
 
-        [SerializeField]
-        [Tooltip("Time scale multiplier.")]
-        private float m_TimeScaleMultiplier = 1;
-
-        [SerializeField]
-        private bool m_Maskable = true;
-
         private readonly List<UIParticleRenderer> _renderers = new List<UIParticleRenderer>();
         private Camera _bakeCamera;
         private Canvas _canvas;
@@ -135,37 +125,13 @@ namespace Coffee.UIExtensions
         private Vector3 _storedScale;
         private DrivenRectTransformTracker _tracker;
 
-        public RectTransform rectTransform => transform as RectTransform;
-
-        public Canvas canvas
-        {
-            get
-            {
-                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.
+        /// Should this graphic be considered a target for ray-casting?
         /// </summary>
-        public bool maskable
+        public override bool raycastTarget
         {
-            get => m_Maskable;
-            set
-            {
-                if (value == m_Maskable) return;
-                m_Maskable = value;
-                UpdateRendererMaterial();
-            }
+            get => false;
+            set { }
         }
 
         /// <summary>
@@ -290,15 +256,6 @@ namespace Coffee.UIExtensions
             set => m_CustomViewSize = Mathf.Max(0.1f, value);
         }
 
-        /// <summary>
-        /// Time scale multiplier.
-        /// </summary>
-        public float timeScaleMultiplier
-        {
-            get => m_TimeScaleMultiplier;
-            set => m_TimeScaleMultiplier = value;
-        }
-
         internal bool useMeshSharing => m_MeshSharing != MeshSharing.None;
 
         internal bool isPrimary =>
@@ -351,15 +308,15 @@ namespace Coffee.UIExtensions
 
         public Vector3 parentScale { get; private set; }
 
-        private Vector3 canvasScale { get; set; }
+        public Vector3 canvasScale { get; private set; }
 
         protected override void OnEnable()
         {
             _isScaleStored = false;
             ResetGroupId();
             UIParticleUpdater.Register(this);
+            RegisterDirtyMaterialCallback(UpdateRendererMaterial);
 
-            //
             if (0 < particles.Count)
             {
                 RefreshParticles(particles);
@@ -369,7 +326,7 @@ namespace Coffee.UIExtensions
                 RefreshParticles();
             }
 
-            UpdateRendererMaterial();
+            base.OnEnable();
         }
 
         /// <summary>
@@ -386,15 +343,9 @@ namespace Coffee.UIExtensions
             _isScaleStored = false;
             UIParticleUpdater.Unregister(this);
             _renderers.ForEach(r => r.Reset());
-            _canvas = null;
-        }
+            UnregisterDirtyMaterialCallback(UpdateRendererMaterial);
 
-        /// <summary>
-        /// Called when the state of the parent Canvas is changed.
-        /// </summary>
-        protected override void OnCanvasHierarchyChanged()
-        {
-            _canvas = null;
+            base.OnDisable();
         }
 
         /// <summary>
@@ -404,14 +355,6 @@ 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()
         {
         }
@@ -633,19 +576,17 @@ namespace Coffee.UIExtensions
             {
                 var ps = particleSystems[i];
                 if (!ps) continue;
-
-                var mainEmitter = ps.GetMainEmitter(particleSystems);
-                GetRenderer(j++).Set(this, ps, false, mainEmitter);
+                GetRenderer(j++).Set(this, ps, false);
 
                 // 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);
                 }
             }
         }
 
-        internal void UpdateTransformScale()
+        internal void UpdateTransformScale(Vector3 ratio)
         {
             _tracker.Clear();
             canvasScale = canvas.rootCanvas.transform.localScale.Inverse();
@@ -669,7 +610,7 @@ namespace Coffee.UIExtensions
             }
 
             _tracker.Add(this, rectTransform, DrivenTransformProperties.Scale);
-            var newScale = parentScale.Inverse();
+            var newScale = parentScale.GetScaled(ratio).Inverse();
             if (currentScale != newScale)
             {
                 transform.localScale = newScale;
@@ -706,6 +647,17 @@ 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++)
@@ -781,7 +733,7 @@ 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/UIParticle.cs.meta

@@ -5,7 +5,7 @@ MonoImporter:
   serializedVersion: 2
   defaultReferences: []
   executionOrder: 0
-  icon: {instanceID: 0}
+  icon: {fileID: 2800000, guid: 5f0675613942149309588d556e33d990, type: 3}
   userData: 
   assetBundleName: 
   assetBundleVariant: 

Packages/src/Runtime/UIParticleAttractor.cs

@@ -1,6 +1,6 @@
 using System;
 using System.Collections.Generic;
-using Coffee.UIParticleInternal;
+using Coffee.UIParticleExtensions;
 using UnityEngine;
 using UnityEngine.Events;
 
@@ -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

@@ -1,40 +0,0 @@
-#pragma warning disable CS0414
-using Coffee.UIParticleInternal;
-using UnityEditor;
-using UnityEngine;
-
-namespace Coffee.UIExtensions
-{
-    public class UIParticleProjectSettings : PreloadedProjectSettings<UIParticleProjectSettings>
-    {
-        [Header("Setting")]
-        [SerializeField]
-        internal bool m_EnableLinearToGamma = true;
-
-        public static bool enableLinearToGamma
-        {
-            get => instance.m_EnableLinearToGamma;
-            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()
-        {
-            return new PreloadedProjectSettingsProvider("Project/UI/UI Particle");
-        }
-#endif
-    }
-}

Packages/src/Runtime/UIParticleProjectSettings.cs.meta

@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: f22a23b9d98e440478697f4adf30e61c
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {fileID: 2800000, guid: 5f0675613942149309588d556e33d990, type: 3}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Packages/src/Runtime/UIParticleRenderer.cs

@@ -6,7 +6,7 @@
 #endif
 using System;
 using System.Collections.Generic;
-using Coffee.UIParticleInternal;
+using Coffee.UIParticleExtensions;
 using UnityEditor;
 using UnityEngine;
 using UnityEngine.Profiling;
@@ -15,23 +15,25 @@ using UnityEngine.UI;
 
 namespace Coffee.UIExtensions
 {
-    [Icon("Packages/com.coffee.ui-particle/Icons/UIParticleIcon.png")]
     [ExecuteAlways]
     [RequireComponent(typeof(RectTransform))]
     [RequireComponent(typeof(CanvasRenderer))]
     [AddComponentMenu("")]
     internal class UIParticleRenderer : MaskableGraphic
     {
+        private static readonly List<Component> s_Components = new List<Component>();
         private static readonly CombineInstance[] s_CombineInstances = { new CombineInstance() };
         private static readonly List<Material> s_Materials = new List<Material>(2);
         private static MaterialPropertyBlock s_Mpb;
+        private static readonly List<UIParticleRenderer> s_Renderers = new List<UIParticleRenderer>();
+        private static readonly List<Color32> s_Colors = new List<Color32>();
         private static readonly Vector3[] s_Corners = new Vector3[4];
+        private Material _currentMaterialForRendering;
         private bool _delay;
         private int _index;
         private bool _isPrevStored;
         private bool _isTrail;
         private Bounds _lastBounds;
-        private Material _materialForRendering;
         private Material _modifiedMaterial;
         private UIParticle _parent;
         private ParticleSystem _particleSystem;
@@ -41,7 +43,6 @@ namespace Coffee.UIExtensions
         private Vector2Int _prevScreenSize;
         private bool _preWarm;
         private ParticleSystemRenderer _renderer;
-        private ParticleSystem _mainEmitter;
 
         public override Texture mainTexture => _isTrail ? null : _particleSystem.GetTextureForSprite();
 
@@ -91,19 +92,6 @@ namespace Coffee.UIExtensions
             }
         }
 
-        public override Material materialForRendering
-        {
-            get
-            {
-                if (!_materialForRendering)
-                {
-                    _materialForRendering = base.materialForRendering;
-                }
-
-                return _materialForRendering;
-            }
-        }
-
         public void Reset(int index = -1)
         {
             if (_renderer)
@@ -114,7 +102,6 @@ namespace Coffee.UIExtensions
             _parent = null;
             _particleSystem = null;
             _renderer = null;
-            _mainEmitter = null;
             if (0 <= index)
             {
                 _index = index;
@@ -130,8 +117,9 @@ namespace Coffee.UIExtensions
             }
             else
             {
-                MaterialRepository.Release(ref _modifiedMaterial);
-                _materialForRendering = null;
+                ModifiedMaterial.Remove(_modifiedMaterial);
+                _modifiedMaterial = null;
+                _currentMaterialForRendering = null;
             }
         }
 
@@ -139,7 +127,6 @@ namespace Coffee.UIExtensions
         {
             base.OnEnable();
 
-            hideFlags = UIParticleProjectSettings.globalHideFlags;
             if (!s_CombineInstances[0].mesh)
             {
                 s_CombineInstances[0].mesh = new Mesh
@@ -148,14 +135,17 @@ namespace Coffee.UIExtensions
                     hideFlags = HideFlags.HideAndDontSave
                 };
             }
+
+            _currentMaterialForRendering = null;
         }
 
         protected override void OnDisable()
         {
             base.OnDisable();
 
-            MaterialRepository.Release(ref _modifiedMaterial);
-            _materialForRendering = null;
+            ModifiedMaterial.Remove(_modifiedMaterial);
+            _modifiedMaterial = null;
+            _currentMaterialForRendering = null;
             _isPrevStored = false;
         }
 
@@ -164,7 +154,7 @@ namespace Coffee.UIExtensions
             // Create renderer object.
             var go = new GameObject("[generated] UIParticleRenderer", typeof(UIParticleRenderer))
             {
-                hideFlags = UIParticleProjectSettings.globalHideFlags,
+                hideFlags = HideFlags.HideAndDontSave,
                 layer = parent.gameObject.layer
             };
 
@@ -188,9 +178,12 @@ namespace Coffee.UIExtensions
         /// </summary>
         public override Material GetModifiedMaterial(Material baseMaterial)
         {
+            _currentMaterialForRendering = null;
+
             if (!IsActive() || !_parent)
             {
-                MaterialRepository.Release(ref _modifiedMaterial);
+                ModifiedMaterial.Remove(_modifiedMaterial);
+                _modifiedMaterial = null;
                 return baseMaterial;
             }
 
@@ -200,33 +193,26 @@ namespace Coffee.UIExtensions
             var texture = mainTexture;
             if (texture == null && _parent.m_AnimatableProperties.Length == 0)
             {
-                MaterialRepository.Release(ref _modifiedMaterial);
+                ModifiedMaterial.Remove(_modifiedMaterial);
+                _modifiedMaterial = null;
                 return modifiedMaterial;
             }
 
-            var hash = new Hash128(
-                modifiedMaterial ? (uint)modifiedMaterial.GetInstanceID() : 0,
-                texture ? (uint)texture.GetInstanceID() : 0,
-                0 < _parent.m_AnimatableProperties.Length ? (uint)GetInstanceID() : 0,
+            //
+            var id = _parent.m_AnimatableProperties.Length == 0 ? 0 : GetInstanceID();
 #if UNITY_EDITOR
-                (uint)EditorJsonUtility.ToJson(modifiedMaterial).GetHashCode()
+            var props = EditorJsonUtility.ToJson(modifiedMaterial).GetHashCode();
 #else
-                0
+            var props = 0;
 #endif
-            );
-            if (!MaterialRepository.Valid(hash, _modifiedMaterial))
-            {
-                MaterialRepository.Get(hash, ref _modifiedMaterial, x => new Material(x.mat)
-                {
-                    hideFlags = HideFlags.HideAndDontSave,
-                    mainTexture = x.texture ? x.texture : x.mat.mainTexture
-                }, (mat: modifiedMaterial, texture));
-            }
+            modifiedMaterial = ModifiedMaterial.Add(modifiedMaterial, texture, id, props);
+            ModifiedMaterial.Remove(_modifiedMaterial);
+            _modifiedMaterial = modifiedMaterial;
 
-            return _modifiedMaterial;
+            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;
@@ -249,7 +235,10 @@ 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();
@@ -266,7 +255,6 @@ namespace Coffee.UIExtensions
             _prevScreenSize = new Vector2Int(Screen.width, Screen.height);
             _prevCanvasScale = canvas ? canvas.scaleFactor : 1f;
             _delay = true;
-            _mainEmitter = mainEmitter;
 
             canvasRenderer.SetTexture(null);
 
@@ -304,7 +292,7 @@ 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)
@@ -417,67 +405,95 @@ namespace Coffee.UIExtensions
                 _lastBounds = bounds;
 
                 // Convert linear color to gamma color.
-                if (UIParticleProjectSettings.enableLinearToGamma && canvas.ShouldGammaToLinearInMesh())
+                if (QualitySettings.activeColorSpace == ColorSpace.Linear)
                 {
-                    workerMesh.LinearToGamma();
+                    Profiler.BeginSample("[UIParticleRenderer] Convert Linear to Gamma");
+                    workerMesh.GetColors(s_Colors);
+                    var count_c = s_Colors.Count;
+                    for (var i = 0; i < count_c; i++)
+                    {
+                        var c = s_Colors[i];
+                        c.r = c.r.LinearToGamma();
+                        c.g = c.g.LinearToGamma();
+                        c.b = c.b.LinearToGamma();
+                        s_Colors[i] = c;
+                    }
+
+                    workerMesh.SetColors(s_Colors);
+                    Profiler.EndSample();
                 }
 
-                var components = InternalListPool<Component>.Rent();
-                GetComponents(typeof(IMeshModifier), components);
-                for (var i = 0; i < components.Count; i++)
+                GetComponents(typeof(IMeshModifier), s_Components);
+                for (var i = 0; i < s_Components.Count; i++)
                 {
 #pragma warning disable CS0618 // Type or member is obsolete
-                    ((IMeshModifier)components[i]).ModifyMesh(workerMesh);
+                    ((IMeshModifier)s_Components[i]).ModifyMesh(workerMesh);
 #pragma warning restore CS0618 // Type or member is obsolete
                 }
 
-                InternalListPool<Component>.Return(ref components);
+                s_Components.Clear();
             }
 
             Profiler.EndSample();
 
-            // Update animatable material properties.
-            Profiler.BeginSample("[UIParticleRenderer] Update Animatable Material Properties");
-            UpdateMaterialProperties();
-            Profiler.EndSample();
 
             // Get grouped renderers.
-            Profiler.BeginSample("[UIParticleRenderer] Set Mesh");
-            var renderers = InternalListPool<UIParticleRenderer>.Rent();
+            s_Renderers.Clear();
             if (_parent.useMeshSharing)
             {
-                UIParticleUpdater.GetGroupedRenderers(_parent.groupId, _index, renderers);
+                UIParticleUpdater.GetGroupedRenderers(_parent.groupId, _index, s_Renderers);
             }
 
-            for (var i = 0; i < renderers.Count; i++)
+            // Set mesh to the CanvasRenderer.
+            Profiler.BeginSample("[UIParticleRenderer] Set Mesh");
+            for (var i = 0; i < s_Renderers.Count; i++)
             {
-                var r = renderers[i];
-                if (r == this) continue;
-
-                r.canvasRenderer.SetMesh(workerMesh);
-                r._lastBounds = _lastBounds;
-                r.canvasRenderer.materialCount = 1;
-                r.canvasRenderer.SetMaterial(materialForRendering, 0);
+                if (s_Renderers[i] == this) continue;
+                s_Renderers[i].canvasRenderer.SetMesh(workerMesh);
+                s_Renderers[i]._lastBounds = _lastBounds;
             }
 
-            InternalListPool<UIParticleRenderer>.Return(ref renderers);
-
-            if (_parent.canRender)
-            {
-                canvasRenderer.SetMesh(workerMesh);
-            }
-            else
+            if (!_parent.canRender)
             {
                 workerMesh.Clear();
             }
 
+            canvasRenderer.SetMesh(workerMesh);
             Profiler.EndSample();
-        }
 
-        public override void SetMaterialDirty()
-        {
-            _materialForRendering = null;
-            base.SetMaterialDirty();
+            // Update animatable material properties.
+            Profiler.BeginSample("[UIParticleRenderer] Update Animatable Material Properties");
+
+#if UNITY_EDITOR
+            if (_modifiedMaterial != material)
+            {
+                _renderer.GetSharedMaterials(s_Materials);
+                material = s_Materials[_isTrail ? 1 : 0];
+                s_Materials.Clear();
+                SetMaterialDirty();
+            }
+#endif
+
+            UpdateMaterialProperties();
+            if (_parent.useMeshSharing)
+            {
+                if (!_currentMaterialForRendering)
+                {
+                    _currentMaterialForRendering = materialForRendering;
+                }
+
+                for (var i = 0; i < s_Renderers.Count; i++)
+                {
+                    if (s_Renderers[i] == this) continue;
+
+                    s_Renderers[i].canvasRenderer.materialCount = 1;
+                    s_Renderers[i].canvasRenderer.SetMaterial(_currentMaterialForRendering, 0);
+                }
+            }
+
+            Profiler.EndSample();
+
+            s_Renderers.Clear();
         }
 
         /// <summary>
@@ -543,30 +559,6 @@ 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))
@@ -629,7 +621,6 @@ namespace Coffee.UIExtensions
                 : main.useUnscaledTime
                     ? Time.unscaledDeltaTime
                     : Time.deltaTime;
-            deltaTime *= _parent.timeScaleMultiplier;
 
             // Pre-warm:
             if (0 < deltaTime && _preWarm)
@@ -710,12 +701,12 @@ namespace Coffee.UIExtensions
             if (s_Mpb.isEmpty) return;
 
             // #41: Copy the value from MaterialPropertyBlock to CanvasRenderer
-            if (!materialForRendering) return;
+            if (!_modifiedMaterial) return;
 
             for (var i = 0; i < _parent.m_AnimatableProperties.Length; i++)
             {
                 var ap = _parent.m_AnimatableProperties[i];
-                ap.UpdateMaterialProperties(materialForRendering, s_Mpb);
+                ap.UpdateMaterialProperties(_modifiedMaterial, s_Mpb);
             }
 
             s_Mpb.Clear();

Packages/src/Runtime/UIParticleUpdater.cs

@@ -1,5 +1,5 @@
 using System.Collections.Generic;
-using Coffee.UIParticleInternal;
+using Coffee.UIParticleExtensions;
 using UnityEditor;
 using UnityEngine;
 
@@ -9,7 +9,7 @@ namespace Coffee.UIExtensions
     {
         private static readonly List<UIParticle> s_ActiveParticles = new List<UIParticle>();
         private static readonly List<UIParticleAttractor> s_ActiveAttractors = new List<UIParticleAttractor>();
-        private static readonly HashSet<int> s_UpdatedGroupIds = new HashSet<int>();
+        private static readonly Dictionary<int, Vector3> s_GroupScales = new Dictionary<int, Vector3>();
         private static int s_FrameCount;
 
         public static int uiParticleCount => s_ActiveParticles.Count;
@@ -40,40 +40,31 @@ namespace Coffee.UIExtensions
 
 #if UNITY_EDITOR
         [InitializeOnLoadMethod]
-        private static void InitializeOnLoad()
-        {
-            UIExtraCallbacks.onAfterCanvasRebuild += Refresh;
-
-            EditorApplication.playModeStateChanged += state =>
-            {
-                UIExtraCallbacks.onAfterCanvasRebuild -= Refresh;
-                if (state == PlayModeStateChange.EnteredEditMode || state == PlayModeStateChange.EnteredPlayMode)
-                {
-                    UIExtraCallbacks.onAfterCanvasRebuild += Refresh;
-                }
-            };
-        }
 #else
         [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
+#endif
         private static void InitializeOnLoad()
         {
-            UIExtraCallbacks.onAfterCanvasRebuild += Refresh;
+            Canvas.willRenderCanvases -= Refresh;
+            Canvas.willRenderCanvases += Refresh;
         }
-#endif
 
         private static void Refresh()
         {
             // Do not allow it to be called in the same frame.
             if (s_FrameCount == Time.frameCount) return;
             s_FrameCount = Time.frameCount;
+            s_GroupScales.Clear();
 
             // Simulate -> Primary
             for (var i = 0; i < s_ActiveParticles.Count; i++)
             {
+                // Process only primary UIParticles.
                 var uip = s_ActiveParticles[i];
-                if (!uip || !uip.canvas || !uip.isPrimary || !s_UpdatedGroupIds.Add(uip.groupId)) continue;
+                if (!uip || !uip.canvas || !uip.isPrimary || s_GroupScales.ContainsKey(uip.groupId)) continue;
 
-                uip.UpdateTransformScale();
+                s_GroupScales.Add(uip.groupId, uip.transform.parent.lossyScale);
+                uip.UpdateTransformScale(Vector3.one);
                 uip.UpdateRenderers();
             }
 
@@ -83,20 +74,31 @@ namespace Coffee.UIExtensions
                 var uip = s_ActiveParticles[i];
                 if (!uip || !uip.canvas) continue;
 
-                uip.UpdateTransformScale();
-
+                // Case 1: Not using mesh sharing.
                 if (!uip.useMeshSharing)
                 {
+                    uip.UpdateTransformScale(Vector3.one);
                     uip.UpdateRenderers();
                 }
-                else if (s_UpdatedGroupIds.Add(uip.groupId))
+                // Case 2: Using mesh sharing as primary.
+                else if (!s_GroupScales.TryGetValue(uip.groupId, out var groupScale))
                 {
+                    s_GroupScales.Add(uip.groupId, uip.transform.parent.lossyScale);
+                    uip.UpdateTransformScale(Vector3.one);
                     uip.UpdateRenderers();
                 }
+                // Case 3: Using mesh sharing as replica. (Only scaling)
+                else
+                {
+                    var parentScale = uip.transform.parent.lossyScale;
+                    var ratio = parentScale.IsVisible()
+                        ? groupScale.GetScaled(parentScale.Inverse())
+                        : Vector3.one;
+                    ratio = Vector3.one;
+                    uip.UpdateTransformScale(ratio);
+                }
             }
 
-            s_UpdatedGroupIds.Clear();
-
             // Attract
             for (var i = 0; i < s_ActiveAttractors.Count; i++)
             {

Packages/src/Runtime/Utilities.meta

@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: 66c42f0f30de84ca4bd8305a1188af85
-folderAsset: yes
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Packages/src/Runtime/Utilities/ParticleSystemExtensions.cs.meta

@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: e51604bfb810e44519e2710fd1b8af90
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Packages/src/Runtime/Utils.cs

@@ -1,11 +1,96 @@
 using System;
 using System.Collections.Generic;
+using System.Reflection;
 using UnityEngine;
 using Object = UnityEngine.Object;
 
-namespace Coffee.UIParticleInternal
+namespace Coffee.UIParticleExtensions
 {
-    internal static class ParticleSystemExtensions
+    public static class Color32Extensions
+    {
+        private static byte[] s_LinearToGammaLut;
+
+        public static byte LinearToGamma(this byte self)
+        {
+            if (s_LinearToGammaLut == null)
+            {
+                s_LinearToGammaLut = new byte[256];
+                for (var i = 0; i < 256; i++)
+                {
+                    s_LinearToGammaLut[i] = (byte)(Mathf.LinearToGammaSpace(i / 255f) * 255f);
+                }
+            }
+
+            return s_LinearToGammaLut[self];
+        }
+    }
+
+    public static class Vector3Extensions
+    {
+        public static Vector3 Inverse(this Vector3 self)
+        {
+            self.x = Mathf.Approximately(self.x, 0) ? 1 : 1 / self.x;
+            self.y = Mathf.Approximately(self.y, 0) ? 1 : 1 / self.y;
+            self.z = Mathf.Approximately(self.z, 0) ? 1 : 1 / self.z;
+            return self;
+        }
+
+        public static Vector3 GetScaled(this Vector3 self, Vector3 other1)
+        {
+            self.Scale(other1);
+            return self;
+        }
+
+        public static Vector3 GetScaled(this Vector3 self, Vector3 other1, Vector3 other2)
+        {
+            self.Scale(other1);
+            self.Scale(other2);
+            return self;
+        }
+
+        public static Vector3 GetScaled(this Vector3 self, Vector3 other1, Vector3 other2, Vector3 other3)
+        {
+            self.Scale(other1);
+            self.Scale(other2);
+            self.Scale(other3);
+            return self;
+        }
+
+        public static bool IsVisible(this Vector3 self)
+        {
+            return 0 < Mathf.Abs(self.x * self.y * self.z);
+        }
+    }
+
+    internal static class SpriteExtensions
+    {
+#if UNITY_EDITOR
+        private static readonly Type s_SpriteEditorExtensionType =
+            Type.GetType("UnityEditor.Experimental.U2D.SpriteEditorExtension, UnityEditor")
+            ?? Type.GetType("UnityEditor.U2D.SpriteEditorExtension, UnityEditor");
+
+        private static readonly MethodInfo s_GetActiveAtlasTextureMethodInfo = s_SpriteEditorExtensionType
+            .GetMethod("GetActiveAtlasTexture", BindingFlags.Static | BindingFlags.NonPublic);
+
+        public static Texture2D GetActualTexture(this Sprite self)
+        {
+            if (!self) return null;
+
+            if (Application.isPlaying) return self.texture;
+            var ret = s_GetActiveAtlasTextureMethodInfo.Invoke(null, new object[] { self }) as Texture2D;
+            return ret
+                ? ret
+                : self.texture;
+        }
+#else
+        internal static Texture2D GetActualTexture(this Sprite self)
+        {
+            return self ? self.texture : null;
+        }
+#endif
+    }
+
+    public static class ParticleSystemExtensions
     {
         private static ParticleSystem.Particle[] s_TmpParticles = new ParticleSystem.Particle[2048];
 
@@ -165,38 +250,59 @@ namespace Coffee.UIParticleInternal
 
         public static void Exec(this List<ParticleSystem> self, Action<ParticleSystem> action)
         {
-            foreach (var p in self)
+            self.RemoveAll(p => !p);
+            self.ForEach(action);
+        }
+    }
+
+    internal static class Misc
+    {
+        public static void Destroy(Object obj)
+        {
+            if (!obj) return;
+#if UNITY_EDITOR
+            if (!Application.isPlaying)
             {
-                if (!p) continue;
-                action.Invoke(p);
+                Object.DestroyImmediate(obj);
+            }
+            else
+#endif
+            {
+                Object.Destroy(obj);
             }
         }
 
-        public static ParticleSystem GetMainEmitter(this ParticleSystem self, List<ParticleSystem> list)
+        public static void DestroyImmediate(Object obj)
         {
-            if (!self || list == null || list.Count == 0) return null;
-
-            for (var i = 0; i < list.Count; i++)
+            if (!obj) return;
+#if UNITY_EDITOR
+            if (Application.isEditor)
             {
-                var parent = list[i];
-                if (parent != self && IsSubEmitterOf(self, parent)) return parent;
+                Object.DestroyImmediate(obj);
+            }
+            else
+#endif
+            {
+                Object.Destroy(obj);
+            }
+        }
+
+#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
+        {
+            if (!self) return null;
+            if (!includeInactive) return self.GetComponentInParent<T>();
+
+            var current = self.transform;
+            while (current)
+            {
+                var component = current.GetComponent<T>();
+                if (component) return component;
+                current = current.parent;
             }
 
             return null;
         }
-
-        public static bool IsSubEmitterOf(this ParticleSystem self, ParticleSystem parent)
-        {
-            if (!self || !parent) return false;
-
-            var subEmitters = parent.subEmitters;
-            var count = subEmitters.subEmittersCount;
-            for (var i = 0; i < count; i++)
-            {
-                if (subEmitters.GetSubEmitterSystem(i) == self) return true;
-            }
-
-            return false;
-        }
+#endif
     }
 }

Packages/src/Runtime/Utils.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 8455ee485a5ee4cacbdf558f66af65fb
+guid: d188d31b140094ebc84a9caafbc7ac71
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

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
-        {
-            Mode Off
-        }
+        Fog { Mode Off }
         Blend One One
 
         ColorMask [_ColorMask]
@@ -64,21 +61,21 @@
 
             struct appdata_t
             {
-                float4 vertex : POSITION;
-                float4 color : COLOR;
+                float4 vertex   : POSITION;
+                float4 color    : COLOR;
                 float2 texcoord : TEXCOORD0;
                 UNITY_VERTEX_INPUT_INSTANCE_ID
             };
 
             struct v2f
             {
-                float4 vertex : SV_POSITION;
-                fixed4 color : COLOR;
-                float2 texcoord : TEXCOORD0;
-                float4 worldPosition : TEXCOORD1;
+                float4 vertex           : SV_POSITION;
+                fixed4 color            : COLOR;
+                float2 texcoord         : TEXCOORD0;
+                float4 worldPosition    : TEXCOORD1;
                 UNITY_VERTEX_OUTPUT_STEREO
             };
-
+            
             fixed4 _Color;
             sampler2D _MainTex;
             float4 _MainTex_ST;
@@ -117,4 +114,4 @@
             ENDCG
         }
     }
-}
+}

Packages/src/package.json

@@ -2,8 +2,8 @@
   "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.16",
-  "unity": "2019.3",
+  "version": "4.9.1",
+  "unity": "2018.2",
   "license": "MIT",
   "repository": {
     "type": "git",

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: be3e05903ef7041d39b3ef8ecdd47f08, type: 2}
   metroInputSource: 0
   wsaTransparentSwapchain: 0
   m_HolographicPauseOnTrackingLoss: 1