chore(release): 5.0.0-preview.3 [skip ci]

# [5.0.0-preview.3](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v5.0.0-preview.2...v5.0.0-preview.3) (2024-06-21)

### Bug Fixes

* generated baking-camera object remains in the prefab or scene ([fd66928](fd66928efe))

.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/workflows/release.yml

@@ -0,0 +1,103 @@
+name: 🔖 Release
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - release
+      - release-preview
+      - release-v4
+    tags-ignore:
+      - "**"
+
+jobs:
+  release:
+    name: 🔖 Release (${{ github.ref_name }})
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+      issues: write
+    outputs:
+      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
+
+      - name: 🔖 Run semantic release
+        uses: cycjimmy/semantic-release-action@v4
+        id: release
+        with:
+          working_directory: Packages/src
+          extra_plugins: |
+            @semantic-release/changelog
+            @semantic-release/git
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+
+      - id: summary
+        run: |
+          echo "🔖 New release published: '${{ 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

@@ -0,0 +1,95 @@
+# Required secrets
+#   UNITY_LICENSE: The contents of Unity license file
+#   UNITY_EMAIL: Unity user email to login
+#   UNITY_PASSWORD: Unity user password to login
+name: 🧪 Test
+
+env:
+  # MINIMUM_VERSION: The minimum version of Unity.
+  MINIMUM_VERSION: 2019.4
+  # EXCLUDE_FILTER: The excluded versions of Unity.
+  EXCLUDE_FILTER: '(2020.2.0)'
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - develop
+      - develop-preview
+      - develop-4.x
+    tags:
+      - "!*"
+    paths-ignore:
+      - "*.md"
+  pull_request:
+    types:
+      - opened
+      - synchronize
+
+jobs:
+  setup:
+    name: ⚙️ Setup
+    runs-on: ubuntu-latest
+    outputs:
+      unityVersions: ${{ steps.setup.outputs.unityVersions }}
+    steps:
+      - name: ⚙️ Find target Unity versions
+        id: setup
+        run: |
+          echo "==== Target Unity Versions ===="
+          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 ) ]'`
+          echo "unityVersions=${VERSIONS}" | tee $GITHUB_OUTPUT
+
+  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: 4
+      matrix:
+        unityVersion: ${{ fromJson(needs.setup.outputs.unityVersions) }}
+    steps:
+      - name: 🚚 Checkout
+        uses: actions/checkout@v4
+
+      - name: 📥 Cache library
+        uses: actions/cache@v4
+        with:
+          path: Library
+          key: Library-${{ matrix.unityVersion }}-${{ github.sha }}
+          restore-keys: |
+            Library-${{ matrix.unityVersion }}-
+            Library-
+
+      - name: 🛠️ Build Unity Project
+        uses: game-ci/unity-builder@v4
+        timeout-minutes: 45
+        with:
+          customImage: ghcr.io/mob-sakai/unity3d:${{ matrix.unityVersion }}
+          targetPlatform: StandaloneLinux64
+          allowDirtyBuild: true
+          customParameters: -nographics
+
+      - name: 🧪 Run tests
+        uses: game-ci/unity-test-runner@v4
+        timeout-minutes: 45
+        with:
+          customImage: ghcr.io/mob-sakai/unity3d:${{ matrix.unityVersion }}
+          # unityVersion: ${{ matrix.unityVersion }}
+          customParameters: -nographics
+          checkName: ${{ matrix.unityVersion }} Test Results
+          githubToken: ${{ github.token }}
+          coverageOptions: "dontClear;generateHtmlReport;generateBadgeReport;pathFilters:+**/Packages/src/**;assemblyFilters:+<packages>,-*.Editor,-*.Test"

.gitignore

@@ -28,3 +28,4 @@ Assets/Plugins/
 obj/
 bin/
 UserSettings/
+*.app

Assets/Demo.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: f0b370726e57248da97c1c2f3bfd8bdf
+guid: 7c9f7735cc2f24a7ca1c23043e63a6be
 folderAsset: yes
 DefaultImporter:
   externalObjects: {}

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

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Linq;
 using System.Reflection;
 using UnityEngine;
@@ -11,6 +11,7 @@ namespace Coffee.UIExtensions.Demo
     public class CFX_Demo_With_UIParticle : MonoBehaviour
     {
         private MonoBehaviour _demo;
+        private string _demoType;
         private Toggle _spawnOnUI;
         private UIParticle _uiParticle;
 
@@ -20,7 +21,9 @@ namespace Coffee.UIExtensions.Demo
             _uiParticle = GetComponentInChildren<UIParticle>();
             _spawnOnUI = GetComponentInChildren<Toggle>();
             _demo = FindObjectOfType("CFX_Demo_New") as MonoBehaviour
-                    ?? FindObjectOfType("WFX_Demo_New") as MonoBehaviour;
+                    ?? FindObjectOfType("WFX_Demo_New") as MonoBehaviour
+                    ?? FindObjectOfType("CFXR_Demo") as MonoBehaviour;
+            _demoType = _demo?.GetType().Name;
 
             SetCanvasWidth(800);
             SetCanvasRenderOverlay(true);
@@ -31,18 +34,44 @@ namespace Coffee.UIExtensions.Demo
         {
             if (!_spawnOnUI.isOn || !_demo || !Input.GetMouseButtonDown(0)) return;
 
-            foreach (Transform child in _uiParticle.transform)
+            if (_demoType == "CFX_Demo_New" || _demoType == "WFX_Demo_New")
             {
-                Destroy(child.gameObject);
+                SpawnParticleCFX();
+            }
+            else if (_demoType == "CFXR_Demo")
+            {
+                SpawnParticleCFXR();
+            }
+        }
+
+        private void SpawnParticleCFXR()
+        {
+            var particle = _demo.GetType()
+                .GetField("currentEffect", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public)
+                ?.GetValue(_demo) as GameObject;
+            if (!particle) return;
+
+            var instance = Instantiate(particle);
+            foreach (var c in instance.GetComponentsInChildren<MonoBehaviour>())
+            {
+                if (c.GetType().Name == "CFXR_Effect")
+                {
+                    c.enabled = false;
+                }
             }
 
+            _uiParticle.SetParticleSystemInstance(instance, true);
+        }
+
+        private void SpawnParticleCFX()
+        {
             var particle = _demo.GetType()
                 .GetMethod("spawnParticle", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public)
                 ?.Invoke(_demo, Array.Empty<object>()) as GameObject;
             if (!particle) return;
 
             particle.transform.localScale = Vector3.one;
-            _uiParticle.SetParticleSystemInstance(particle);
+            _uiParticle.SetParticleSystemInstance(particle, true);
         }
 
         private static Object FindObjectOfType(string typeName)

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

@@ -1,4 +1,4 @@
-using UnityEngine;
+using UnityEngine;
 using UnityEngine.Serialization;
 
 namespace Coffee.UIExtensions.Demo

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+  m_Interval: 0.5
+  m_Anchor: 1
+  m_CustomMonitorItems:
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+    m_Arg0:
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+    m_Arg1:
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Assets/ProjectSettings/SimpleSceneNavigator.prefab.meta

@@ -1,6 +1,6 @@
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-guid: be075f23fcc314d319e4f4ebfa6eefdd
-TextScriptImporter:
+guid: 46deb9632f6a14713b8460bd01e879c9
+PrefabImporter:
   externalObjects: {}
   userData: 
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Assets/ProjectSettings/UIParticle.asset

@@ -0,0 +1,15 @@
+%YAML 1.1
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+  m_Name: UIParticle
+  m_EditorClassIdentifier: 
+  m_LinearToGamma: 1

Assets/ProjectSettings/UIParticle.asset.meta

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

Assets/Tests/Editor/NewTestScript.cs

@@ -1,4 +1,4 @@
-using System.Collections;
+using System.Collections;
 using NUnit.Framework;
 using UnityEngine.TestTools;
 

Assets/Tests/NewTestScript.cs

@@ -1,4 +1,4 @@
-using System.Collections;
+using System.Collections;
 using NUnit.Framework;
 using UnityEngine.TestTools;
 

Packages/manifest.json

@@ -1,6 +1,10 @@
 {
   "dependencies": {
     "com.unity.ide.rider": "3.0.27",
+    "com.coffee.development": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/Development",
+    "com.coffee.nano-monitor": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/NanoMonitor",
+    "com.coffee.simple-scene-navigator": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/SceneNavigator",
+    "com.coffee.sub-asset-editor": "https://github.com/mob-sakai/SubAssetEditor.git",
     "com.unity.test-framework": "1.1.33",
     "com.unity.modules.animation": "1.0.0",
     "com.unity.modules.physics": "1.0.0"

Packages/packages-lock.json

@@ -1,5 +1,37 @@
 {
   "dependencies": {
+    "com.coffee.development": {
+      "version": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/Development",
+      "depth": 0,
+      "source": "git",
+      "dependencies": {},
+      "hash": "4a57c0a498ba7ce667290ec39510b1474030471a"
+    },
+    "com.coffee.nano-monitor": {
+      "version": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/NanoMonitor",
+      "depth": 0,
+      "source": "git",
+      "dependencies": {
+        "com.unity.ugui": "1.0.0"
+      },
+      "hash": "4a57c0a498ba7ce667290ec39510b1474030471a"
+    },
+    "com.coffee.simple-scene-navigator": {
+      "version": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/SceneNavigator",
+      "depth": 0,
+      "source": "git",
+      "dependencies": {
+        "com.unity.ugui": "1.0.0"
+      },
+      "hash": "4a57c0a498ba7ce667290ec39510b1474030471a"
+    },
+    "com.coffee.sub-asset-editor": {
+      "version": "https://github.com/mob-sakai/SubAssetEditor.git",
+      "depth": 0,
+      "source": "git",
+      "dependencies": {},
+      "hash": "01464178eec1e4dbe741c11c9baeb94a151c99ee"
+    },
     "com.coffee.ui-particle": {
       "version": "file:src",
       "depth": 0,

Packages/src/.coffee.internal.sed

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

Packages/src/.github/ISSUE_TEMPLATE/bug_report.md

@@ -10,39 +10,26 @@ 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)**
-
-- Package version [e.g. 4.2.0, 3.3.14]
-- Platform: [e.g. Editor(Windows/Mac), Standalone(Windows/Mac), iOS, Android, WebGL]
-- Unity version: [e.g. 2021.3.7f1]
-- Project options: [e.g. Mono/IL2CPP, .Net Standard 2.1/.Net 4.x, URP/HDRP, GraphicAPIs]
+**Environment (please complete the following information):**
+ - Version [e.g. 4.0.0]
+ - Platform: [e.g. Editor(Windows/Mac), Standalone(Windows/Mac), iOS, Android, WebGL]
+ - Unity version: [e.g. 2022.3.0f1]
+ - Build options: [e.g. IL2CPP, .Net 4.x, LWRP]
 
 **Additional context**
-
-Please add any other context about the issue here.
-It will help us resolve the issue.
-
-- Error messages and crash dump
-- Screenshots, gif animations and movie files
-- Reproducible minimal project
-    - The entire project (zipped Assets, Packages, ProjectSettings) is preferred over `.unitypackage`
+Add any other context about the problem here.

Packages/src/.github/ISSUE_TEMPLATE/feature_request.md

@@ -10,17 +10,13 @@ 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 issue is. (e.g. I'm always frustrated when [...])
+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.

Packages/src/.github/workflows/release.yml

@@ -1,24 +0,0 @@
-name: release
-
-on:
-  push:
-    branches:
-      - preview
-      - main
-      - v*.x
-    tags-ignore:
-      - "**"
-
-jobs:
-  release:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-
-      - uses: cycjimmy/semantic-release-action@v3
-        with:
-          extra_plugins: |
-            @semantic-release/changelog
-            @semantic-release/git
-        env:
-          GITHUB_TOKEN: ${{ github.token }}

Packages/src/.github/workflows/test.yml

@@ -1,69 +0,0 @@
-# Secrets
-#   UNITY_LICENSE:
-name: test
-
-on:
-  push:
-    branches:
-      - develop
-    tags:
-      - "!*"
-  pull_request:
-    types:
-      - opened
-      - synchronize
-
-jobs:
-  setup:
-    runs-on: ubuntu-latest
-    outputs:
-      versions: ${{ steps.setup.outputs.versions }}
-    steps:
-      - id: setup
-        run: |
-          VERSIONS=`npx unity-changeset list --versions --all --latest-patch --min 2018.3 --json`
-          echo "==== Target Unity Versions ===="
-          echo "${VERSIONS}"
-          echo "::set-output name=versions::${VERSIONS}"
-
-  test:
-    runs-on: ubuntu-latest
-    needs: setup
-    strategy:
-      fail-fast: false
-      matrix:
-        version: ${{ fromJson(needs.setup.outputs.versions) }}
-
-    steps:
-      # Checkout sandbox project
-      - uses: actions/checkout@v3
-        with:
-          ref: sandbox
-          submodules: true
-          fetch-depth: 0
-
-      # Update package submodule
-      - name: "Update package submodule"
-        working-directory: Packages/dev
-        run: git checkout ${{ github.sha }}
-
-      # Cache
-      - uses: actions/cache@v3
-        with:
-          path: Library
-          key: Library-${{ matrix.version }}-${{ github.sha }}
-          restore-keys: |
-            Library-${{ matrix.version }}-
-            Library-
-
-      # Run tests
-      - name: "Run tests"
-        uses: game-ci/unity-test-runner@v2
-        with:
-          customImage: mobsakai/unity3d:${{ matrix.version }}
-          customParameters: -nographics
-          # unityVersion: ${{ matrix.version }}
-          checkName: ${{ matrix.version }} Test Results
-          githubToken: ${{ github.token }}
-        env:
-          UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}

Packages/src/.releaserc.json

@@ -1,14 +1,12 @@
 {
   "branches": [
-    "+([0-9])?(.{+([0-9]),x}).x",
-    "master",
-    "main",
+    "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

@@ -1,3 +1,125 @@
+# [5.0.0-preview.3](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v5.0.0-preview.2...v5.0.0-preview.3) (2024-06-21)
+
+
+### Bug Fixes
+
+* generated baking-camera object remains in the prefab or scene ([fd66928](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/fd66928efe584aeb4f6347b9a9dca97d9512eb88))
+
+# [5.0.0-preview.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v5.0.0-preview.1...v5.0.0-preview.2) (2024-06-20)
+
+
+### Bug Fixes
+
+* 'Resource ID out of range in GetResource' error in overlay rendering mode ([ff78b6f](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ff78b6fe32ceed8ddad50e63dcb7a202eab95266)), closes [#308](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/308)
+* `UIParticle.transform.localScale` does not scale particles ([491ee7b](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/491ee7b0c3e528e1e577ae5ff2588d7c3bd8ecdb)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313)
+* despite not using the size module, particles become smaller based on their z position ([c96ddf2](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c96ddf293e855f7ebccaaaf3b112092955545e61)), closes [#316](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/316)
+* the ParticleSystem's localPosition drifts at certain scales due to floating-point precision issues ([a9c2b19](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a9c2b19edf00e1c86c928ef23405906952ede852)), closes [#299](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/299) [#312](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/312)
+* UIParticle is scaled by canvas size even when `AutoScalingMode.None` and `ScalingMode.Local` ([63b24d8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/63b24d8a8b478b3165733ece3eec524e88b28855)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313)
+* UIParticle is scaled incorrectly with nested canvases ([c95d8c6](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c95d8c6b1774396ff252d13121ad32a3cab0fe5c)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313)
+
+
+### Features
+
+* remove overlay window (editor) ([fc3fbdd](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/fc3fbdd230595ad3471875ec6fec384a3dad0d17))
+* reset previous position on start play for world space simulation ([e741584](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e7415845074143abae23e3ae7eedc767a01d020d)), closes [#303](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/303)
+* restore `Transform.localScale` when setting `autoScalingMode` to something other than `Transform` ([dfb94f4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/dfb94f4badfb3035a4374579c53293460b4fd946))
+
+# [5.0.0-preview.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.6...v5.0.0-preview.1) (2024-05-23)
+
+
+### Features
+
+* add project settings for UIParticle ([b6e6185](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b6e6185c521fef0f118f61cfdfdac07b87555c01))
+* change the default value of `UIParticle.scale` from `10` to `1` ([1b3c0f9](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1b3c0f92dcc6a1974d1ea074821e5264200e9711)), closes [#310](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/310)
+* UIParticle no longer inherits from MaskableGraphic ([b6d921b](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b6d921b3e47f749b5028d22b0e89b6eb3a1af7de))
+
+
+### BREAKING CHANGES
+
+* Some members inherited from MaskableGraphic will no longer be available.
+
+## [4.6.6](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.5...v4.6.6) (2024-05-23)
+
+
+### Bug Fixes
+
+* fix release workflow ([30b0076](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/30b00762f6da166c043587798b1552f27b4cc604))
+
+## [4.6.5](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.4...v4.6.5) (2024-05-23)
+
+
+### Bug Fixes
+
+* update workflows (for preview and v4) ([3eab097](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/3eab0979b9b85919b804442ab05735b7120eade5))
+
+## [4.6.4](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.3...v4.6.4) (2024-05-22)
+
+
+### Bug Fixes
+
+* assertion failed on expression: 'ps->array_size()' ([1b5c359](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1b5c359058289895caf5f245fe09abb643bc38eb)), closes [#278](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/278)
+* lost Material.mainTexture when using AnimatableProperties ([ea04352](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ea043524c0b00f67cba26a1f9ea537ee4a56d6ff)), closes [#311](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/311)
+* remove unnecessary code ([c37c014](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c37c01486499773e3d7e8296c95bb4c3fae94abb))
+
+## [4.6.3](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.2...v4.6.3) (2024-04-04)
+
+
+### Bug Fixes
+
+* if only Trail Material is used, it will not be displayed ([2eff411](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/2eff411bd97eb4e6947d29a02b85b414bfdaee3a)), closes [#294](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/294)
+* if the UIParticle parents do not have Canvas, an exception is thrown in OnEnable ([e82c833](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e82c833d04b819f103984931ba29a3616ef50908)), closes [#300](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/300)
+* particle size too small due to auto scaling ([2ec3748](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/2ec374833614d64406e7c3207ca5fe234a749dcb)), closes [#295](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/295)
+
+## [4.6.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.1...v4.6.2) (2024-02-01)
+
+
+### Bug Fixes
+
+* fix compile error in Unity 2021.1 or older ([fcae60b](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/fcae60bf29079bac07463bd3a86f8644151d72ba))
+* fix demos ([ad20d12](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ad20d128a2ad033d9f30b98f0a0dab6091f5aa19))
+* fix warning ([7fd4a8e](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/7fd4a8e343ce587dffa9db5ff186061b3ebb38a6))
+
+## [4.6.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.0...v4.6.1) (2024-01-26)
+
+
+### Bug Fixes
+
+* unintended scaling occurs when `AutoScalingMode=UIParticle` and `ScalingMode=Local` ([1627de1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1627de10eb1e742a015603ae9939071665a5bd89)), closes [#292](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/292)
+
+# [4.6.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.5.2...v4.6.0) (2024-01-26)
+
+
+### Bug Fixes
+
+* fix abnormal mesh bounds error ([772bf50](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/772bf50d168982bd401c30e58172e0a60fbafe46)), closes [#213](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/213)
+* fix warning ([93d3919](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/93d3919b6fb6ac186b3e99f8baaef9a044f583f2))
+* fix warning ([8a78ec1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8a78ec13ad2aad9138a22b67c332871e064a38cc))
+
+
+### Features
+
+* "[generated]" GameObjects on the hierarchy is disturbing ([7c42421](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/7c4242150b591daf64390588afa27efa27368af3)), closes [#288](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/288)
+* add explicit dependencies ([9a0187a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9a0187a72a35d378ff7be965bfcb7475f423fe0f))
+* add icon ([0c1022c](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0c1022c6224394713f62b41e5e4ef0c289610ae1))
+* remove samples ([f53a7fa](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f53a7faed3ee73ac22d745a778284e818624b510))
+
+# [4.6.0-preview.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.5.2...v4.6.0-preview.1) (2024-01-24)
+
+
+### Bug Fixes
+
+* fix abnormal mesh bounds error ([772bf50](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/772bf50d168982bd401c30e58172e0a60fbafe46)), closes [#213](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/213)
+* fix warning ([93d3919](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/93d3919b6fb6ac186b3e99f8baaef9a044f583f2))
+* fix warning ([8a78ec1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8a78ec13ad2aad9138a22b67c332871e064a38cc))
+
+
+### Features
+
+* "[generated]" GameObjects on the hierarchy is disturbing ([7c42421](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/7c4242150b591daf64390588afa27efa27368af3)), closes [#288](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/288)
+* add explicit dependencies ([9a0187a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9a0187a72a35d378ff7be965bfcb7475f423fe0f))
+* add icon ([0c1022c](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0c1022c6224394713f62b41e5e4ef0c289610ae1))
+* remove samples ([f53a7fa](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f53a7faed3ee73ac22d745a778284e818624b510))
+
 ## [4.5.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.5.1...4.5.2) (2024-01-18)
 
 

Packages/src/CONTRIBUTING.md

@@ -19,11 +19,24 @@ When fixing a bug it is fine to submit a pull request right away.
 
 Steps to be performed to submit a pull request:
 
-1. Fork the repository and create your branch from `develop`.
-2. If you have fixed a bug or added code that should be tested, add tests.
-3. Click `Window > Generals > Test Runner` to test
-4. Commit with a massage based on [Angular Commit Message Conventions](https://gist.github.com/stephenparish/9941e89d80e2bc58a153).
-5. Fill out the description, link any related issues and submit your pull request.
+1. Fork the repository.
+2. Clone the repository.
+3. Checkout `develop` branch.
+4. Develop the package.
+5. Test the package with the test runner (`Window > Generals > Test Runner`).
+6. Commit with a message based
+   on [Angular Commit Message Conventions](https://gist.github.com/stephenparish/9941e89d80e2bc58a153) as follows:
+
+    - `fix:` fix a bug
+    - `feat:` new feature
+    - `docs:` changes only in documentation
+    - `style:` changes only in formatting, white-space, etc
+    - `refactor:` changes only in code structure (extract method, rename variable, move method, etc)
+    - `perf:` changes only in code performance
+    - `test:` add or update tests
+    - `chore:` changes to the build process or auxiliary tools and libraries such as documentation generation
+
+7. Create a pull request on GitHub. Fill out the description, link any related issues and submit your pull request.
 
 #### License
 

Packages/src/Editor/Internal.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: b888c253a15224f1fa518bed74028211
+guid: 3e440931f761e4e888510a4e6045287a
 folderAsset: yes
 DefaultImporter:
   externalObjects: {}

Packages/src/Editor/UIParticleEditor.cs

@@ -1,54 +1,33 @@
-#if UNITY_2021_2_OR_NEWER
-using UnityEditor.Overlays;
-#else
-using System.Reflection;
-#endif
-#if UNITY_2021_2_OR_NEWER
-using UnityEditor.SceneManagement;
-#elif UNITY_2018_3_OR_NEWER
-using UnityEditor.Experimental.SceneManagement;
-#endif
-using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text.RegularExpressions;
-using Coffee.UIParticleExtensions;
 using UnityEditor;
-using UnityEditor.UI;
 using UnityEditorInternal;
 using UnityEngine;
 using UnityEngine.UI;
+
+#if UNITY_2021_2_OR_NEWER
+using UnityEditor.Overlays;
+#else
+using System;
+using System.Reflection;
+using Coffee.UIParticleInternal;
 using Object = UnityEngine.Object;
+#endif
+
+#if UNITY_2021_2_OR_NEWER
+using UnityEditor.SceneManagement;
+
+#elif UNITY_2018_3_OR_NEWER
+using UnityEditor.Experimental.SceneManagement;
+#endif
 
 namespace Coffee.UIExtensions
 {
     [CustomEditor(typeof(UIParticle))]
     [CanEditMultipleObjects]
-    internal class UIParticleEditor : GraphicEditor
+    internal class UIParticleEditor : Editor
     {
-#if UNITY_2021_2_OR_NEWER
-#if UNITY_2022_1_OR_NEWER
-        [Overlay(typeof(SceneView), "Scene View/UI Particles", "UI Particles", true,
-         defaultDockPosition = DockPosition.Bottom,
-         defaultDockZone = DockZone.Floating,
-         defaultLayout = Layout.Panel)]
-#else
-        [Overlay(typeof(SceneView), "Scene View/UI Particles", "UI Particles", true)]
-#endif
-        private class UIParticleOverlay : IMGUIOverlay, ITransientOverlay
-        {
-            public bool visible => s_SerializedObject != null;
-
-            public override void OnGUI()
-            {
-                if (visible)
-                {
-                    WindowFunction(null, null);
-                }
-            }
-        }
-#endif
-
         //################################
         // Constant or Static Members.
         //################################
@@ -60,7 +39,6 @@ namespace Coffee.UIExtensions
         private static readonly GUIContent s_Content3D = new GUIContent("3D");
         private static readonly GUIContent s_ContentRandom = new GUIContent("Random");
         private static readonly GUIContent s_ContentScale = new GUIContent("Scale");
-        private static SerializedObject s_SerializedObject;
         private static bool s_XYZMode;
 
         private SerializedProperty _maskable;
@@ -75,8 +53,9 @@ namespace Coffee.UIExtensions
         private bool _showMax;
 
         private static readonly HashSet<Shader> s_Shaders = new HashSet<Shader>();
+#if UNITY_2018 || UNITY_2019
         private static readonly List<ParticleSystemVertexStream> s_Streams = new List<ParticleSystemVertexStream>();
-
+#endif
         private static readonly List<string> s_MaskablePropertyNames = new List<string>
         {
             "_Stencil",
@@ -87,65 +66,14 @@ namespace Coffee.UIExtensions
             "_ColorMask"
         };
 
-        [InitializeOnLoadMethod]
-        private static void Init()
-        {
-#if !UNITY_2021_2_OR_NEWER
-            var miSceneViewOverlayWindow = Type.GetType("UnityEditor.SceneViewOverlay, UnityEditor")
-                ?.GetMethods(BindingFlags.Public | BindingFlags.Static)
-                .First(x => x.Name == "Window" && 5 <= x.GetParameters().Length);
-            var windowFunction = (Action<Object, SceneView>)WindowFunction;
-            var windowFunctionType = Type.GetType("UnityEditor.SceneViewOverlay+WindowFunction, UnityEditor");
-            var windowFunctionDelegate = Delegate.CreateDelegate(windowFunctionType, windowFunction.Method);
-            var windowTitle = new GUIContent(ObjectNames.NicifyVariableName(nameof(UIParticle)));
-#if UNITY_2019_2_OR_NEWER
-            //public static void Window(GUIContent title, WindowFunction sceneViewFunc, int order, Object target, WindowDisplayOption option, EditorWindow window = null)
-            var sceneViewArgs = new object[] { windowTitle, windowFunctionDelegate, 599, null, 2, null };
-#else
-            //public static void Window(GUIContent title, WindowFunction sceneViewFunc, int order, Object target, WindowDisplayOption option)
-            var sceneViewArgs = new object[] { windowTitle, windowFunctionDelegate, 599, null, 2 };
-#endif
-
-#if UNITY_2019_1_OR_NEWER
-            SceneView.duringSceneGui += _ =>
-#else
-            SceneView.onSceneGUIDelegate += _ =>
-#endif
-            {
-                if (s_SerializedObject != null)
-                {
-                    miSceneViewOverlayWindow.Invoke(null, sceneViewArgs);
-                }
-            };
-#endif
-
-            SerializedObject CreateSerializeObject()
-            {
-                var uiParticles = Selection.gameObjects.Select(x => x.GetComponent<ParticleSystem>())
-                    .Where(x => x)
-                    .Select(x => x.GetComponentInParent<UIParticle>(true))
-                    .Where(x => x && x.canvas)
-                    .Concat(Selection.gameObjects.Select(x => x.GetComponent<UIParticle>())
-                        .Where(x => x && x.canvas))
-                    .Distinct()
-                    .ToArray();
-                return 0 < uiParticles.Length ? new SerializedObject(uiParticles) : null;
-            }
-
-            s_SerializedObject = CreateSerializeObject();
-            Selection.selectionChanged += () => s_SerializedObject = CreateSerializeObject();
-        }
-
         //################################
         // Public/Protected Members.
         //################################
         /// <summary>
         /// This function is called when the object becomes enabled and active.
         /// </summary>
-        protected override void OnEnable()
+        private void OnEnable()
         {
-            base.OnEnable();
-
             _maskable = serializedObject.FindProperty("m_Maskable");
             _scale3D = serializedObject.FindProperty("m_Scale3D");
             _animatableProperties = serializedObject.FindProperty("m_AnimatableProperties");
@@ -327,11 +255,15 @@ namespace Coffee.UIExtensions
 
             // UIParticle for trail should be removed.
             var label = "This UIParticle component should be removed. The UIParticle for trails is no longer needed.";
+#pragma warning disable CS0612
             if (FixButton(current.m_IsTrail, label))
+#pragma warning restore CS0612
             {
                 DestroyUIParticle(current);
             }
 
+#if UNITY_2018 || UNITY_2019
+            // (2018, 2019) Check to use 'TEXCOORD*.zw' components as custom vertex stream.
             var allPsRenderers = targets.OfType<UIParticle>()
                 .SelectMany(x => x.particles)
                 .Where(x => x)
@@ -357,6 +289,7 @@ namespace Coffee.UIExtensions
                     s_Streams.Clear();
                 }
             }
+#endif
         }
 
         private bool IsBuiltInObject(Object obj)
@@ -365,6 +298,7 @@ namespace Coffee.UIExtensions
                    && Regex.IsMatch(guid, "^0{16}.0{15}$", RegexOptions.Compiled);
         }
 
+#if UNITY_2018 || UNITY_2019
         private static int GetUsedComponentCount(ParticleSystemVertexStream s)
         {
             switch (s)
@@ -423,6 +357,7 @@ namespace Coffee.UIExtensions
 
             return 3;
         }
+#endif
 
         private static bool DrawMeshSharing(SerializedProperty spMeshSharing, SerializedProperty spGroupId,
             SerializedProperty spGroupMaxId, bool showMax)
@@ -466,64 +401,21 @@ namespace Coffee.UIExtensions
 
         private static void DrawAutoScaling(SerializedProperty prop, IEnumerable<UIParticle> uiParticles)
         {
-            var isTransformMode = prop.intValue == (int)UIParticle.AutoScalingMode.Transform;
-            EditorGUI.BeginChangeCheck();
             EditorGUILayout.PropertyField(prop);
-            if (!EditorGUI.EndChangeCheck() || !isTransformMode) return;
-
-            // on changed true->false, reset scale.
-            EditorApplication.delayCall += () =>
-            {
-                foreach (var uip in uiParticles)
-                {
-                    if (!uip) continue;
-                    uip.transform.localScale = Vector3.one;
-                }
-            };
-        }
-
-        private static void WindowFunction(Object target, SceneView sceneView)
-        {
-            try
-            {
-                if (s_SerializedObject == null || !s_SerializedObject.targetObject) return;
-                var uiParticles = s_SerializedObject.targetObjects.OfType<UIParticle>();
-                if (uiParticles.Any(x => !x || !x.canvas)) return;
-
-                s_SerializedObject.Update();
-                using (new EditorGUILayout.VerticalScope(GUILayout.Width(220f)))
-                {
-                    var labelWidth = EditorGUIUtility.labelWidth;
-                    EditorGUIUtility.labelWidth = 100;
-                    EditorGUILayout.PropertyField(s_SerializedObject.FindProperty("m_Enabled"));
-                    s_XYZMode = DrawFloatOrVector3Field(s_SerializedObject.FindProperty("m_Scale3D"), s_XYZMode);
-                    EditorGUILayout.PropertyField(s_SerializedObject.FindProperty("m_PositionMode"));
-                    DrawAutoScaling(s_SerializedObject.FindProperty("m_AutoScalingMode"), uiParticles);
-                    EditorGUIUtility.labelWidth = labelWidth;
-                }
-
-                s_SerializedObject.ApplyModifiedProperties();
-            }
-            catch
-            {
-                // ignored
-            }
         }
 
         private void DestroyUIParticle(UIParticle p, bool ignoreCurrent = false)
         {
             if (!p || (ignoreCurrent && target == p)) return;
 
-            var cr = p.canvasRenderer;
             DestroyImmediate(p);
-            DestroyImmediate(cr);
 
 #if UNITY_2018_3_OR_NEWER
             var stage = PrefabStageUtility.GetCurrentPrefabStage();
             if (stage != null && stage.scene.isLoaded)
             {
 #if UNITY_2020_1_OR_NEWER
-                string prefabAssetPath = stage.assetPath;
+                var prefabAssetPath = stage.assetPath;
 #else
                 var prefabAssetPath = stage.prefabAssetPath;
 #endif

Packages/src/Icons.meta

@@ -1,5 +1,5 @@
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-guid: fa6e3b593bf274861b2eab47082d9b1e
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Packages/src/LICENSE.md

@@ -1,4 +1,4 @@
-Copyright 2018-2023 mob-sakai
+Copyright 2018-2024 mob-sakai
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

Packages/src/README.md

@@ -1,218 +1,195 @@
-Particle Effect For UGUI (UI Particle)
-===
+# <img alt="UIParticleIcon" src="https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/d76e105e-a840-4f61-a1f6-8cf311c0812d" width="26"/> Particle Effect For UGUI (UI Particle)
 
-This plugin provide a component to render particle effect for uGUI in Unity 2018.2 or later.  
-The particle rendering is maskable and sortable, without Camera, RenderTexture or Canvas.  
+This package provides a component to render particle effects for uGUI in Unity 2018.2 or later.  
+The particle rendering is maskable and sortable, without the need for an extra Camera, RenderTexture, or Canvas.
 
-![](https://img.shields.io/badge/Editor-2018.2+-4796F2?logo=unity)
 [![](https://img.shields.io/npm/v/com.coffee.ui-particle?label=openupm&registry_uri=https://package.openupm.com)](https://openupm.com/packages/com.coffee.ui-particle/)
-[![](https://img.shields.io/github/v/release/mob-sakai/ParticleEffectForUGUI?include_prereleases&sort=semver)](https://github.com/mob-sakai/ParticleEffectForUGUI/releases)
-[![](https://img.shields.io/github/v/release/mob-sakai/ParticleEffectForUGUI?include_prereleases&sort=semver&filter=3.%2A&label=release(3.x))](https://github.com/mob-sakai/ParticleEffectForUGUI/releases)
-[![](https://img.shields.io/github/release-date/mob-sakai/ParticleEffectForUGUI.svg)](https://github.com/mob-sakai/ParticleEffectForUGUI/releases)  [![](https://img.shields.io/github/license/mob-sakai/ParticleEffectForUGUI.svg)](https://github.com/mob-sakai/ParticleEffectForUGUI/blob/master/LICENSE.txt)
+[![](https://img.shields.io/github/v/release/mob-sakai/ParticleEffectForUGUI?include_prereleases)](https://github.com/mob-sakai/ParticleEffectForUGUI/releases)
+[![](https://img.shields.io/github/license/mob-sakai/ParticleEffectForUGUI.svg)](https://github.com/mob-sakai/ParticleEffectForUGUI/blob/main/LICENSE.txt)  
+![](https://img.shields.io/badge/Unity-2018.2+-57b9d3.svg?style=flat&logo=unity)
+![](https://github.com/mob-sakai/ParticleEffectForUGUI/actions/workflows/test.yml/badge.svg?branch=develop)
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-orange.svg)](http://makeapullrequest.com)
+[![](https://img.shields.io/twitter/follow/mob_sakai.svg?label=Follow&style=social)](https://twitter.com/intent/follow?screen_name=mob_sakai)
 
+<< [📝 Description](#-description) | [🎮 Demo](#-demo) | [⚙ Installation](#-installation) | [🚀 Usage](#-usage) | [🛠 Development Note](#-development-note) | [🤝 Contributing](#-contributing) >>
 
-<< [Description](#Description) | [Demo](#demo) | [Installation](#installation) | [Usage](#usage) | [Development Note](#development-note) | [Change log](https://github.com/mob-sakai/ParticleEffectForUGUI/blob/upm/CHANGELOG.md) >>
+<br><br>
 
-
-
-<br><br><br><br>
-
-## Description
+## 📝 Description
 
 ![](https://user-images.githubusercontent.com/12690315/41771577-8da4b968-7650-11e8-9524-cd162c422d9d.gif)
 
-This plugin uses new APIs `MeshBake/MashTrailBake` (added with Unity 2018.2) to render particles by CanvasRenderer.
-You can mask and sort particles for uGUI without Camera, RenderTexture, Canvas.
+This package utilizes the new APIs `MeshBake/MashTrailBake` (introduced with Unity 2018.2) to render particles through
+CanvasRenderer.  
+You can render, mask, and sort your ParticleSystems for UI without the necessity of an additional Camera, RenderTexture,
+or Canvas.
 
-Compares this "Baking mesh" approach with the conventional approach:  
-[Performance test results](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/193#issuecomment-1160028374)
+### Features
 
-|Approach|Good|Bad|Screenshot|
-|-|-|-|-|
-|Baking mesh<br>**\(UIParticle\)**|Rendered as is.<br>Maskable.<br>Sortable.<br>Less objects.|[Not support `TEXCOORD*.zw` components for custom vertex stream](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/191#issuecomment-1043409186)|<img src="https://user-images.githubusercontent.com/12690315/41765089-0302b9a2-763e-11e8-88b3-b6ffa306bbb0.gif" width="500px">|
-|Do nothing|Rendered as is.|**Looks like a glitch.**<br>Not maskable.<br>Not sortable.|<img src="https://user-images.githubusercontent.com/12690315/41765090-0329828a-763e-11e8-8d8a-f1d269ea3bc7.gif" width="500px">|
-|Convert particle to UIVertex<br>[\(UIParticleSystem\)](https://forum.unity.com/threads/free-script-particle-systems-in-ui-screen-space-overlay.406862/)|Maskable.<br>Sortable.<br>Less objects.|**Adjustment is difficult.**<br>Requires UI shaders.<br>Difficult to adjust scale.<br>Force hierarchy scalling.<br>Simulation results are incorrect.<br>Trail, rotation of transform, time scaling are not supported.<br>Generate heavy GC every frame.|<img src="https://user-images.githubusercontent.com/12690315/41765088-02deb9c6-763e-11e8-98d0-9e0c1766ef39.gif" width="500px">|
-|Use Canvas to sort|Rendered as is.<br>Sortable.|**You must to manage sorting orders.**<br>Not maskable.<br>More batches.|<img src="https://user-images.githubusercontent.com/12690315/41765087-02b866ea-763e-11e8-8c33-081c9ad852f8.gif" width="500px">|
-|Use RenderTexture|Maskable.<br>Sortable.|**Requires Camera and RenderTexture.**<br>Difficult to adjust position and size.<br>Quality depends on the RenderTexture's setting.|<img src="https://user-images.githubusercontent.com/12690315/41765085-0291b3e2-763e-11e8-827b-72e5ee9bc556.gif" width="500px">|
+* Easy to use: The package is ready to use out of the box.
+* Sort particle effects and other UI by sibling index.
+* No extra Camera, RenderTexture, or Canvas required.
+* Masking options for Mask or RectMask2D.
+* Support for the Trail module.
+* Support for CanvasGroup alpha.
+* No allocations needed to render particles.
+* Compatibility with overlay, camera space, and world space.
+* Support for Universal Render Pipeline (URP) and High Definition Render Pipeline (HDRP).
+* Support for disabling `Enter Play Mode Options > Reload Domain`.
+* Support for changing material property with AnimationClip (AnimatableProperty).  
+  ![AnimatableProperty.gif][AnimatableProperty.gif]
+* [4.0.0+] Support for 8+ materials.
+* [4.0.0+] Correct world space particle position adjustment when changing window size for standalone platforms (Windows,
+  MacOSX, and Linux).
+* [4.0.0+] Adaptive scaling for UI.
+* [4.0.0+] Mesh sharing group to improve performance.  
+  ![MeshSharing.gif][MeshSharing.gif]
+* [4.0.0+] Particle attractor component.  
+  ![ParticleAttractor.gif][ParticleAttractor.gif]
+* [4.1.0+] Relative/Absolute particle position mode.  
+  ![AbsolutePosition.gif][AbsolutePosition.gif]
 
-|Approach|FPS on Editor|FPS on iPhone6|FPS on Xperia XZ|
-|--|--|--|--|
-|Particle System|43|57|22|
-|UIParticleSystem|4|3|0 (unmeasurable)|
-|Sorting By Canvas|43|44|18|
-|UIParticle|17|12|4|
-|UIParticle with MeshSharing|44|45|30|
+[AnimatableProperty.gif]: https://user-images.githubusercontent.com/12690315/53286323-2d94a980-37b0-11e9-8afb-c4a207805ff2.gif
+
+[MeshSharing.gif]: https://user-images.githubusercontent.com/12690315/174311048-c882df81-6c34-4eba-b0aa-5645457692f1.gif
+
+[ParticleAttractor.gif]: https://user-images.githubusercontent.com/12690315/174311027-462929a4-13f0-4ec4-86ea-9c832f2eecf1.gif
+
+[AbsolutePosition.gif]: https://user-images.githubusercontent.com/12690315/175751579-5a2357e8-2ecf-4afd-83c8-66e9771bde39.gif
 
 <br><br>
 
-#### Features
+## 🎮 Demo
 
-* Easy to use: the package is out-of-the-box
-* Sort particle effects and UI by sibling index
-* No Camera, RenderTexture or Canvas are required
-* Masking by Mask or RectMask2D
-* Support Trail module
-* Support CanvasGroup alpha
-* No allocations
-* Support overlay, camera space and world space
-* Support Universal Render Pipeline (URP) and High Definition Render Pipeline (HDRP)
-* Support disabling `Enter Play Mode Options > Reload Domain`
-* Support changing material property with AnimationClip (AnimatableProperty)  
-![](https://user-images.githubusercontent.com/12690315/53286323-2d94a980-37b0-11e9-8afb-c4a207805ff2.gif)
-* [4.0.0+] Support 8+ materials
-* [4.0.0+] Correct world space particle position when changing window size for standalone platforms (Windows, MacOSX and Linux)
-* [4.0.0+] Adaptive scaling for UI
-* [4.0.0+] Mesh sharing group to improve performance  
-![](https://user-images.githubusercontent.com/12690315/174311048-c882df81-6c34-4eba-b0aa-5645457692f1.gif)
-* [4.0.0+] Particle attractor component  
-![](https://user-images.githubusercontent.com/12690315/174311027-462929a4-13f0-4ec4-86ea-9c832f2eecf1.gif)
-* [4.1.0+] Relative/Absolute particle position mode  
-![](https://user-images.githubusercontent.com/12690315/175751579-5a2357e8-2ecf-4afd-83c8-66e9771bde39.gif)
+* [WebGL Demo](https://mob-sakai.github.io/demos/UIParticle_Demo/index.html)
 
-
-<br><br><br><br>
-
-## Demo
-
-* [WebGL Demo](https://mob-sakai.github.io/demos/UIParticle_Demo/index.html)  
 > ![](https://user-images.githubusercontent.com/12690315/174311768-1843a5f2-f776-491b-aaa8-2a131a8b6a16.gif)
+
 * [WebGL Demo (Cartoon FX & War FX)](https://mob-sakai.github.io/Demos/ParticleEffectForUGUI_CFX)
-  * [Cartoon FX Free][CFX] & [War FX][WFX] (by [Jean Moreno (JMO)][JMO]) with UIParticle
+    * [Cartoon FX Free][CFX] & [War FX][WFX] (by [Jean Moreno (JMO)][JMO]) with UIParticle
+
 > ![](https://user-images.githubusercontent.com/12690315/91664766-3e07ac00-eb2c-11ea-978b-ef723be80619.gif)
 
 [CFX]: https://assetstore.unity.com/packages/vfx/particles/cartoon-fx-free-109565
+
 [WFX]: https://assetstore.unity.com/packages/vfx/particles/war-fx-5669
+
 [JMO]: https://assetstore.unity.com/publishers/1669
 
 
-<br><br><br><br>
+<br><br>
 
-## Installation
+## ⚙ Installation
 
-### Requirement
+_This package requires Unity 2018.3 or later._
 
-Unity 2018.2 or later
+#### Install via OpenUPM
 
-### Install via OpenUPM
+This package is available on [OpenUPM](https://openupm.com) package registry.
+This is the preferred method of installation, as you can easily receive updates as they're released.
 
-This package is available on [OpenUPM](https://openupm.com).
-It's recommended to install it via [openupm-cli](https://github.com/openupm/openupm-cli).
-```
+If you have [openupm-cli](https://github.com/openupm/openupm-cli) installed, then run the following command in your
+project's directory:
+
+```sh
 openupm add com.coffee.ui-particle
 ```
 
-### Install via Package Manager Window (using Git URL)
+#### Install via UPM (using Git URL)
 
-1. Select `Window/Package Manager` menu to open `Package Manager` window.
-2. Click `+` and `Install package from git URL...`  
-![](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/57317aa4-e55c-4568-b2aa-2ee2a78ddc02)
-3. Input `https://github.com/mob-sakai/ParticleEffectForUGUI.git` and click `Install`  
-![](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/72cc38b5-cb32-4c85-8209-c85f7bb931ea)
+Navigate to your project's Packages folder and open the `manifest.json` file. Then add this package somewhere in
+the `dependencies` block:
 
+```json
+{
+  "dependencies": {
+    "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#4.6.0",`
 
 Or, use [UpmGitExtension](https://github.com/mob-sakai/UpmGitExtension) to install and update the package.
 
-### Install via manifest.json (using Git URL)
+<br><br>
 
-1. Open `Packages/manifest.json` in your project.
-2. Add this line below `"dependencies": {`
-  * `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git",`  
-  ![](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/fe1cad9c-8d09-4e17-b6f5-9eac0d267921)
-3. To update the package, change suffix `#{version}`.
-  * `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.2.0",`
+## ⚙ Upgrading from 3.x/4.x to 5.x
 
-### Install as an embed package
+### Breaking Changes
 
-1. Download a source code zip file from [Releases](https://github.com/mob-sakai/ParticleEffectForUGUI/releases) page
-2. Extract it and place it under `Packages` directory in your project.  
-![](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/4c3d3439-5bb0-4e87-a917-ebe328ef89a8)
+- The default value of `UIParticle.scale` has been changed from `10` to `1`.
+- `UIParticle` no longer inherits from `MaskableGraphic`.
+- 
 
+<br><br>
 
-<br><br><br><br>
+## 🚀 Usage
 
-## How to play demo
+### UIParticle Component
 
-### For Unity 2019.1 or later
-
-1. Open `Package Manager` window
-2. Select `UI Particle` package in package list
-3. Click `Import Sample` button  
-![demo](https://user-images.githubusercontent.com/12690315/95017806-83bd1480-0696-11eb-8c24-c56f45ab1ac2.png)
-4. The demo project is imported into `Assets/Samples/UI Particle/{version}/Demo`
-5. Open `UIParticle_Demo` scene and play it
-
-### For Unity 2018.4 or earlier
-
-1. Select `Assets/Samples/UI Particle Demo` from menu
-2. The demo project is imported into `Assets/Samples/UI Particle/{version}/Demo`
-3. Open `UIParticle_Demo` scene and play it
-
-### About `Cartoon FX & War Fx Demo`
-
-* It requires free assets ([Cartoon FX Free][CFX] & [War FX][WFX])
-  * by [Jean Moreno (JMO)][JMO]
-
-
-
-<br><br><br><br>
-
-## Usage
-
-### UIParticle component
-
-`UIParticle` controls the ParticleSystems that is attached to its own game objects and child game objects.
+`UIParticle` controls the ParticleSystems that are attached to its own game objects and child game objects.
 
 ![](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/3559df45-63e7-4c4c-9233-f455779efa29)
 
-| Properties | Description |
-| -- | -- |
-| Maskable | Does this graphic allow masking. |
-| Scale | Scale the rendering.<br>When the `3D` toggle is enabled, 3D scale (x,y,z) is supported. |
-| Animatable Properties | If you want update material properties (e.g. `_MainTex_ST`, `_Color`) in AnimationClip, use this to mark the changes. |
-| Mesh Sharing | Particle simulation results are shared within the same group.<br>A large number of the same effects can be displayed with a small load.<br>When the `Random` toggle is enabled, it will be grouped randomaly. |
-| Position Mode | **Absolute:** Emit from the world position of the `ParticleSystem`.<br>**Relative:** Emit from the scaled position of the `ParticleSystem`. |
-| Auto Scaling | Transform.lossyScale (=world scale) will be set to `(1, 1, 1)` on update.<br>It prevents the root-Canvas scale from affecting the hierarchy-scaled `ParticleSystem`. |
-| Rendering Order | The ParticleSystem list to be rendered.<br>You can change the order and the materials. |
+- **Maskable**: Does this graphic allow masking.
+- **Scale**: Scale the rendering. When the `3D` toggle is enabled, 3D scale (x, y, z) is supported.
+- **Animatable Properties**: If you want to update material properties (e.g., `_MainTex_ST`, `_Color`) in AnimationClip,
+  use this to mark the changes.
+- **Mesh Sharing**: Particle simulation results are shared within the same group. A large number of the same effects can
+  be displayed with a small load. When the `Random` toggle is enabled, it will be grouped randomly.
+- **Position Mode**: Emission position mode.
+    - **Absolute:** Emit from the world position of the `ParticleSystem`.
+    - **Relative:** Emit from the scaled position of the `ParticleSystem`.
+- **Auto Scaling**: `Transform.lossyScale` (=world scale) will be set to `(1, 1, 1)` on update. It prevents the
+  root-Canvas scale from affecting the hierarchy-scaled `ParticleSystem`.
+- **Rendering Order**: The ParticleSystem list to be rendered. You can change the order and the materials.
 
-NOTE: Press `Refresh` button to reconstruct rendering order based on children ParticleSystem's sorting order and z position.
+**NOTE:** Press the `Refresh` button to reconstruct the rendering order based on children ParticleSystem's sorting order
+and z-position.
 
 <br><br>
 
-### Basically usage
+#### Basic Usage
 
-1. Select `Game Object/UI/ParticleSystem` to create UIParticle with a ParticleSystem.  
-![particle](https://user-images.githubusercontent.com/12690315/95007361-cad0e880-0649-11eb-8835-f145d62c5977.png)
-2. Adjust the ParticleSystem as you like.  
-![particle1](https://user-images.githubusercontent.com/12690315/95007359-ca385200-0649-11eb-8383-627c9750bda8.png)
+1. Select `GameObject/UI/ParticleSystem` to create UIParticle with a ParticleSystem.
+   ![particle](https://user-images.githubusercontent.com/12690315/95007361-cad0e880-0649-11eb-8835-f145d62c5977.png)
+2. Adjust the ParticleSystem as you like.
+   ![particle1](https://user-images.githubusercontent.com/12690315/95007359-ca385200-0649-11eb-8383-627c9750bda8.png)
 
-<br><br>
+<br>
 
-### With your existing ParticleSystem prefab
+#### With Your Existing ParticleSystem Prefab
 
-1. Select `Game Object/UI/ParticleSystem (Empty)` to create UIParticle.  
-![empty](https://user-images.githubusercontent.com/12690315/95007362-cb697f00-0649-11eb-8a09-29b0a13791e4.png)
-2. Drag & drop your ParticleSystem prefab on UIParticle.  
-![particle3](https://user-images.githubusercontent.com/12690315/95007356-c6a4cb00-0649-11eb-9316-562f4bce3f31.png)
+1. Select `GameObject/UI/ParticleSystem (Empty)` to create UIParticle.
+   ![empty](https://user-images.githubusercontent.com/12690315/95007362-cb697f00-0649-11eb-8a09-29b0a13791e4.png)
+2. Drag and drop your ParticleSystem prefab onto UIParticle.
+   ![particle3](https://user-images.githubusercontent.com/12690315/95007356-c6a4cb00-0649-11eb-9316-562f4bce3f31.png)
 
-<br><br>
+<br>
 
-### With `Mask` or `RectMask2D` component
+#### With `Mask` or `RectMask2D` Component
 
-If you want to mask particles, set a stencil supported shader (such as `UI/UIAdditive`) to material for ParticleSystem.
-If you use some custom shaders, see [How to make a custom shader to support Mask/RectMask2D component](#how-to-make-a-custom-shader-to-support-maskrectmask2d-component) section.
+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-maskrectmask2d-component)
+section.
 
 ![](https://user-images.githubusercontent.com/12690315/95017591-3b512700-0695-11eb-864e-04166ea1809a.png)
 
-
 <br><br>
 
 ### Script usage
 
 ```cs
-// Instant ParticleSystem prefab with UIParticle on runtime.
+// Instantiate ParticleSystem prefab with UIParticle on runtime.
 var go = GameObject.Instantiate(prefab);
 var uiParticle = go.AddComponent<UIParticle>();
+uiParticle.scale = 100;
 
 // Control by ParticleSystem.
 particleSystem.Play();
@@ -232,43 +209,108 @@ uiParticle.Stop();
 ![](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/ea6ae0ed-f9a8-437c-8baa-47526303391e)  
 ![](https://user-images.githubusercontent.com/12690315/174311027-462929a4-13f0-4ec4-86ea-9c832f2eecf1.gif)
 
-| Properties | Description |
-| -- | -- |
-| Particle System | Attracts particles generated by the specified particle system. |
-| Distination Radius | Once the particle is within the radius, the particle lifetime will become 0 and `OnAttracted` will be called. |
-| Delay Rate | Delay to start attracting.<br>It is a percentage of the particle's start lifetime. |
-| Max Speed | Maximum speed of attracting.<br> If this value is too small, attracting may not be completed by the end of the lifetime and `OnAttracted` may not be called. |
-| Movement | Attracting movement type. (Linear, Smooth, Sphere) |
-| Update Mode | **Normal:** Update with scaled delta time.<br>**Unscaled Time:** Update with unscaled delta time. |
-| OnAttracted | An event called when attracting is complete (per particle). |
+- **Particle System**: Attracts particles generated by the specified particle system.
+- **Destination Radius**: Once the particle is within the radius, the particle lifetime will become 0, and `OnAttracted`
+  will be called.
+- **Delay Rate**: Delay to start attracting. It is a percentage of the particle's start lifetime.
+- **Max Speed**: Maximum speed of attracting. If this value is too small, attracting may not be completed by the end of
+  the lifetime, and `OnAttracted` may not be called.
+- **Movement**: Attracting movement type. (`Linear`, `Smooth`, `Sphere`)
+- **Update Mode**: Update mode.
+    - **Normal:** Update with scaled delta time.
+    - **Unscaled Time:** Update with unscaled delta time.
+- **OnAttracted**: An event called when attracting is complete (per particle).
 
-<br><br><br><br>
+<br><br>
 
-## Development Note
+## 🛠 Development Note
 
-### FAQ: Why are my particle effects not displayed correctly?
+### Compares the Baking mesh approach with the conventional approach
+
+- **Baking mesh approach (=UIParticle)**  
+  ![](https://user-images.githubusercontent.com/12690315/41765089-0302b9a2-763e-11e8-88b3-b6ffa306bbb0.gif)
+    - ✅ Rendered as is.
+    - ✅ Maskable.
+    - ✅ Sortable.
+    - ✅ Less objects.
+
+- **Do nothing (=Plain ParticleSystem)**  
+  ![](https://user-images.githubusercontent.com/12690315/41765090-0329828a-763e-11e8-8d8a-f1d269ea3bc7.gif)
+    - ✅ Rendered as is.
+    - ❌ Looks like a glitch.
+    - ❌ Not maskable.
+    - ❌ Not sortable.
+
+- **Convert particle to UIVertex (=[UIParticleSystem][UIParticleSystem])**  
+  ![](https://user-images.githubusercontent.com/12690315/41765088-02deb9c6-763e-11e8-98d0-9e0c1766ef39.gif)
+    - ✅ Maskable.
+    - ✅ Sortable.
+    - ❌ Adjustment is difficult.
+    - ❌ Requires UI shaders.
+    - ❌ Difficult to adjust scale.
+    - ❌ Force hierarchy scalling.
+    - ❌ Simulation results are incorrect.
+    - ❌ Trail, rotation of transform, time scaling are not supported.
+    - ❌ Generate heavy GC every frame.
+
+- **Use Canvas to sort (Sorting By Canvas )**  
+  ![](https://user-images.githubusercontent.com/12690315/41765087-02b866ea-763e-11e8-8c33-081c9ad852f8.gif)
+    - ✅ Rendered as is.
+    - ✅ Sortable.
+    - ❌ You must to manage sorting orders.
+    - ❌ Not maskable.
+    - ❌ More batches.
+    - ❌ Requires Canvas.
+
+- **Use RenderTexture**  
+  ![](https://user-images.githubusercontent.com/12690315/41765085-0291b3e2-763e-11e8-827b-72e5ee9bc556.gif)
+    - ✅ Maskable.
+    - ✅ Sortable.
+    - ❌ Requires Camera and RenderTexture.
+    - ❌ Difficult to adjust position and size.
+    - ❌ Quality depends on the RenderTexture's setting.
+
+[UIParticleSystem]: https://forum.unity.com/threads/free-script-particle-systems-in-ui-screen-space-overlay.406862/
+
+#### [Performance test results](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/193#issuecomment-1160028374)
+
+| Approach                    | FPS on Editor | FPS on iPhone6 | FPS on Xperia XZ |
+|-----------------------------|---------------|----------------|------------------|
+| Particle System             | 43            | 57             | 22               |
+| UIParticleSystem            | 4             | 3              | 0 (unmeasurable) |
+| Sorting By Canvas           | 43            | 44             | 18               |
+| UIParticle                  | 17            | 12             | 4                |
+| UIParticle with MeshSharing | 44            | 45             | 30               |
+
+### 🔍 FAQ: Why Are My UIParticles Not Displayed Correctly?
 
 If `ParticleSystem` alone displays particles correctly but `UIParticle` does not, please check the following points:
 
-* [Shader Limitation](https://github.com/mob-sakai/ParticleEffectForUGUI#shader-limitation)
-  * Most cases can be solved by using `UI/Additive` or `UI/Default`.
-* Particles are masked
-  * `UIParticle` is maskable.
-  * Set `Mask` or `RectMask2D` component properly.
-* Particles are too small
-  * If particles are small enough, they will not appear on the screen.
-  * Increase the `Scale` value.
-  * If you don't want to change the apparent size depending on the resolution, try `Auto Scaling` option.
-* Particles are too many
-  * No more than 65535 vertices can be displayed (for mesh combination limitations).
-  * Please set `Emission` module and `Max Particles` of ParticleSystem properly.
-* Particles are emitted off-screen.
-  * When `Position Mode = Relative`, particles are emitted from scaled position of the ParticleSystem, not from the screen point of the ParticleSystem.
-  * Place the ParticleSystem in the proper position or try `Position Mode = Absolute`.
-* Attaching `UIParticle` to the same object as `ParticleSystem`
-  * `Transform.localScale` will be overridden by `Auto Scaling` option.
-  * It is recommended to place `ParticleSystem` under `UIParticle`.
-
+- [Shader Limitation](#shader-limitation)
+    - `UIParticle` does not support all built-in shaders except for `UI/Default`.
+    - Most cases can be solved by using `UI/Additive` or `UI/Default`.
+- Particles are not masked
+    - `UIParticle` is maskable.
+    - Set `Mask` or `RectMask2D` component properly.
+    - [Use maskable/clipable shader](#how-to-make-a-custom-shader-to-support-maskrectmask2d-component) (such
+      as `UI/Additive` or `UI/Default`)
+- Particles are too small
+    - If particles are small enough, they will not appear on the screen.
+    - Increase the `Scale` value.
+    - If you don't want to change the apparent size depending on the resolution, try the `Auto Scaling` option.
+- Particles are too many
+    - No more than 65535 vertices can be displayed (for mesh combination limitations).
+    - Please set `Emission` module and `Max Particles` of ParticleSystem properly.
+- Particles are emitted off-screen.
+    - When `Position Mode = Relative`, particles are emitted from the scaled position of the ParticleSystem, not from
+      the screen point of the ParticleSystem.
+    - Place the ParticleSystem in the proper position or try `Position Mode = Absolute`.
+- Attaching `UIParticle` to the same object as `ParticleSystem`
+    - `Transform.localScale` will be overridden by the `Auto Scaling` option.
+    - It is recommended to place `ParticleSystem` under `UIParticle`.
+- If `Transform.localScale` contains 0, rendering will be skipped.
+- Displayed particles are in the correct position but too large/too small
+    - Adjust `ParticleSystem.renderer.Min/MaxParticleSize`.
 
 <br>
 
@@ -282,35 +324,37 @@ The use of UI shaders is recommended.
 
 #### Built-in shaders are not supported
 
-UIParticle does not support all built-in shaders except for `UI/Default`.  
+`UIParticle` does not support all built-in shaders except for `UI/Default`.  
 If their use is detected, an error is displayed in the inspector.  
 Use UI shaders instead.
 
-#### (2019.4 or earlier) UV.zw components will be discarded
+#### (Unity 2018 or 2019) UV.zw components will be discarded
 
 UIParticleRenderer renders the particles based on UIVertex.  
-Therefore, only xy components is available for each UV in the shader. (zw components will be discarded).  
-So unfortunately UIParticles will not work well with some shaders.  
+Therefore, only the xy components are available for each UV in the shader. (zw components will be discarded).  
+So unfortunately, UIParticles will not work well with some shaders.
 
-#### (2019.4 or earlier) Custom vertex streams
+#### (Unity 2018 or 2019) Custom vertex streams
 
 When using custom vertex streams, you can fill zw components with "unnecessary" data.  
-https://github.com/mob-sakai/ParticleEffectForUGUI/issues/191
-
+Refer to [this issue](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/191) for more information.
 
 <br>
 
 ### Overheads
 
-UIParticle has some overheads and the batching depends on uGUI.  
+UIParticle has some overheads, and the batching depends on uGUI.  
 When improving performance, keep the following in mind:
-- If you are displaying a large number of the same effect, consider `Mesh Sharing` feature in [UIParticle Component](#uiparticle-component).
-  - If you don't like the uniform output, consider `Random Group` feature.  
-![](https://user-images.githubusercontent.com/12690315/174311048-c882df81-6c34-4eba-b0aa-5645457692f1.gif)
-- If you are using multiple materials, you will have more draw calls.
-  - Consider single material, atlasing the sprites, and using `Sprite` mode in the `Texture Sheet Animation` module in ParticleSystem.
 
-### How to make a custom shader to support Mask/RectMask2D component
+- If you are displaying a large number of the same effect, consider the `Mesh Sharing` feature in
+  the [UIParticle Component](#uiparticle-component).
+    - If you don't like the uniform output, consider the `Random Group` feature.  
+      ![](https://user-images.githubusercontent.com/12690315/174311048-c882df81-6c34-4eba-b0aa-5645457692f1.gif)
+- If you are using multiple materials, you will have more draw calls.
+    - Consider a single material, atlasing the sprites, and using `Sprite` mode in the `Texture Sheet Animation` module
+      in the ParticleSystem.
+
+### How to Make a Custom Shader to Support Mask/RectMask2D Component
 
 <details>
 <summary>Shader tips</summary>
@@ -402,54 +446,49 @@ Shader "Your/Custom/Shader"
     }
 }
 ```
+
 </details>
 
+<br><br>
 
-<br><br><br><br>
-
-## Contributing
+## 🤝 Contributing
 
 ### Issues
 
-Issues are very valuable to this project.
+Issues are incredibly valuable to this project:
 
-- Ideas are a valuable source of contributions others can make
-- Problems show where this project is lacking
-- With a question you show where contributors can improve the user experience
+- Ideas provide a valuable source of contributions that others can make.
+- Problems help identify areas where this project needs improvement.
+- Questions indicate where contributors can enhance the user experience.
 
 ### Pull Requests
 
-Pull requests are, a great way to get your ideas into this repository.  
-See [CONTRIBUTING.md](/../../blob/develop/CONTRIBUTING.md).
+Pull requests offer a fantastic way to contribute your ideas to this repository.  
+Please refer to [CONTRIBUTING.md](https://github.com/mob-sakai/ParticleEffectForUGUI/blob/main/CONTRIBUTING.md)
+and [develop branch](https://github.com/mob-sakai/ParticleEffectForUGUI/tree/develop) for guidelines.
 
 ### Support
 
-This is an open source project that I am developing in my spare time.  
-If you like it, please support me.  
-With your support, I can spend more time on development. :)
+This is an open-source project developed during my spare time.  
+If you appreciate it, consider supporting me.  
+Your support allows me to dedicate more time to development. 😊
 
-[![](https://user-images.githubusercontent.com/12690315/50731629-3b18b480-11ad-11e9-8fad-4b13f27969c1.png)](https://www.patreon.com/join/mob_sakai?)  
+[![](https://user-images.githubusercontent.com/12690315/50731629-3b18b480-11ad-11e9-8fad-4b13f27969c1.png)](https://www.patreon.com/join/2343451?)  
 [![](https://user-images.githubusercontent.com/12690315/66942881-03686280-f085-11e9-9586-fc0b6011029f.png)](https://github.com/users/mob-sakai/sponsorship)
 
-
-
-<br><br><br><br>
+<br><br>
 
 ## License
 
 * MIT
 
-
-
 ## Author
 
 * ![](https://user-images.githubusercontent.com/12690315/96986908-434a0b80-155d-11eb-8275-85138ab90afa.png) [mob-sakai](https://github.com/mob-sakai) [![](https://img.shields.io/twitter/follow/mob_sakai.svg?label=Follow&style=social)](https://twitter.com/intent/follow?screen_name=mob_sakai) ![GitHub followers](https://img.shields.io/github/followers/mob-sakai?style=social)
 
-
-
 ## See Also
 
 * GitHub page : https://github.com/mob-sakai/ParticleEffectForUGUI
 * Releases : https://github.com/mob-sakai/ParticleEffectForUGUI/releases
 * Issue tracker : https://github.com/mob-sakai/ParticleEffectForUGUI/issues
-* Change log : https://github.com/mob-sakai/ParticleEffectForUGUI/blob/upm/CHANGELOG.md
+* Change log : https://github.com/mob-sakai/ParticleEffectForUGUI/blob/main/CHANGELOG.md

Packages/src/Runtime/AnimatableProperty.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using UnityEngine;
 
 namespace Coffee.UIExtensions
@@ -19,10 +19,7 @@ namespace Coffee.UIExtensions
         [SerializeField] private ShaderPropertyType m_Type = ShaderPropertyType.Vector;
         public int id { get; private set; }
 
-        public ShaderPropertyType type
-        {
-            get { return m_Type; }
-        }
+        public ShaderPropertyType type => m_Type;
 
         void ISerializationCallbackReceiver.OnBeforeSerialize()
         {

Packages/src/Runtime/Internal.meta

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

Packages/src/Runtime/Internal/Extensions.meta

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

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

@@ -0,0 +1,134 @@
+#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

@@ -1,5 +1,5 @@
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+guid: 9dd767b8c0f95478386e7d5079cd44df
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   serializedVersion: 2

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

@@ -0,0 +1,77 @@
+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/Color32Extensions.cs.meta

@@ -1,5 +1,5 @@
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   serializedVersion: 2

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

@@ -0,0 +1,198 @@
+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 = ListPool<T>.Rent();
+            self.GetComponentsInChildren_Internal(results, depth);
+            var array = results.ToArray();
+            ListPool<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(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();
+        }
+
+#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 Resources.FindObjectsOfTypeAll<MonoScript>())
+            {
+                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/ComponentExtensions.cs.meta

@@ -1,5 +1,5 @@
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-guid: 07047cbd3c4af489fbd41f4303a26fe2
+guid: 8455ee485a5ee4cacbdf558f66af65fb
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

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

@@ -0,0 +1,19 @@
+using System.Collections.Generic;
+
+namespace Coffee.UIParticleInternal
+{
+    /// <summary>
+    /// Extension methods for Component class.
+    /// </summary>
+    internal static class ListExtensions
+    {
+        public static void RemoveAtFast<T>(this List<T> self, int index)
+        {
+            if (self == null) return;
+
+            var lastIndex = self.Count - 1;
+            self[index] = self[lastIndex];
+            self.RemoveAt(lastIndex);
+        }
+    }
+}

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

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 5c50c6434f4ad4488bfc5b0928dbb4c4
+guid: 833553390099d40c9b212823f0852c46
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

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

@@ -0,0 +1,48 @@
+using System.Diagnostics;
+using UnityEditor;
+using UnityEngine;
+
+namespace Coffee.UIParticleInternal
+{
+    internal static class Misc
+    {
+        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
+        }
+    }
+}

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

@@ -0,0 +1,11 @@
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+guid: 39ed6a6b0a72e482488bd298b2ae762e
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

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

@@ -0,0 +1,58 @@
+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 MethodInfo s_GetActiveAtlasTextureMethod = s_SpriteEditorExtensionType
+            .GetMethod("GetActiveAtlasTexture", BindingFlags.Static | BindingFlags.NonPublic);
+
+        private static readonly MethodInfo s_GetActiveAtlasMethod = 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;
+
+            if (Application.isPlaying) return self.texture;
+
+            var ret = s_GetActiveAtlasTextureMethod.Invoke(null, new object[] { self }) as Texture2D;
+            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.Invoke(null, new object[] { self }) as SpriteAtlas;
+        }
+#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

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

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

@@ -0,0 +1,46 @@
+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);
+        }
+    }
+}