chore(release): 4.4.0 [skip ci]

# [4.4.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.3.0...4.4.0) (2023-11-08) ### Features * support 'Active Apply Color Space' for linear color space ([45c56bb](45c56bbd85))
feat: support 'Active Apply Color Space' for linear color space
2026-05-14 20:20:06 +00:00 · 2023-11-08 11:31:04 +00:00 · 2023-11-08 20:24:38 +09:00 · 2023-11-08 03:26:34 +00:00 · 2023-11-08 11:53:16 +09:00 · 2023-11-07 17:48:02 +09:00
143 changed files with 85091 additions and 10959 deletions
--- a/.github/ISSUE_TEMPLATE/bug_report.md
+++ b/.github/ISSUE_TEMPLATE/bug_report.md
@@ -10,26 +10,39 @@ 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]
+**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]

 **Additional context**
-Add any other context about the problem here.
+
+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`
--- a/.github/ISSUE_TEMPLATE/feature_request.md
+++ b/.github/ISSUE_TEMPLATE/feature_request.md
@@ -10,13 +10,17 @@ 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 [...]
+
+A clear and concise description of what the issue is. (e.g. 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.
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,12 +12,13 @@ on:
 jobs:
  release:
    runs-on: ubuntu-latest
-    if: "! contains(github.event.head_commit.message, '[skip ci]') && ! contains(github.event.head_commit.message, '[ci skip]')"
    steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3

-      - run: |
-          npm i --no-save https://gist.github.com/mob-sakai/c90044338361af97a7e8c8a78425bdb3
-          npx semantic-release -e @mob-sakai/semantic-release-upm
+      - uses: cycjimmy/semantic-release-action@v3
+        with:
+          extra_plugins: |
+            @semantic-release/changelog
+            @semantic-release/git
        env:
          GITHUB_TOKEN: ${{ github.token }}
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,27 +14,29 @@ on:
      - synchronize

 jobs:
-  unity-test:
+  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:
-        unityVersion: [
-            "2018.3.14f1",
-            "2018.4.30f1",
-            "2019.1.14f1",
-            "2019.2.21f1",
-            "2019.3.15f1",
-            "2019.4.16f1",
-            "2020.1.17f1",
-            "2020.2.1f1",
-          ]
-    env:
-      UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}
+        version: ${{ fromJson(needs.setup.outputs.versions) }}

    steps:
      # Checkout sandbox project
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
        with:
          ref: sandbox
          submodules: true
@@ -45,52 +47,23 @@ jobs:
        working-directory: Packages/dev
        run: git checkout ${{ github.sha }}

-      - uses: actions/cache@v2
+      # Cache
+      - uses: actions/cache@v3
        with:
          path: Library
-          key: Library-${{ matrix.unityVersion }}-${{ github.sha }}
+          key: Library-${{ matrix.version }}-${{ github.sha }}
          restore-keys: |
-            Library-${{ matrix.unityVersion }}-
+            Library-${{ matrix.version }}-
            Library-

-      # Install codecoverage package
-      - name: "Install codecoverage package"
-        if: startsWith(matrix.unityVersion, '2019.4.')
-        run: |
-          npx openupm-cli add -f com.unity.testtools.codecoverage@0.4.0-preview
-
      # Run tests
      - name: "Run tests"
-        uses: game-ci/unity-test-runner@main
+        uses: game-ci/unity-test-runner@v2
        with:
-          unityVersion: ${{ matrix.unityVersion }}
-          customImage: ghcr.io/mob-sakai/unity3d:${{ matrix.unityVersion }}
-          customParameters: -enableCodeCoverage
-          # customParameters: -enableCodeCoverage -coverageOptions assemblyFilters:+CSharpCompilerSettings_,-*-CSharp,-*.Tests,-IgnoreAccessibility
-
-      - uses: actions/upload-artifact@v2
-        if: always()
-        with:
-          name: TestResults-${{ matrix.unityVersion }}
-          path: |
-            artifacts/*.xml
-            CodeCoverage/**/TestCoverageResults_*.xml
-
-  publish:
-    needs: unity-test
-    runs-on: ubuntu-latest
-    if: always()
-    steps:
-      
-      - uses: actions/download-artifact@v2
-        with:
-          path: artifacts
-      
-      - uses: testspace-com/setup-testspace@v1
-        with:
-          domain: ${{github.repository_owner}}
-
-      - name: Push test results
-        if: always()
-        run: |
-          testspace `find . -name '*.xml' | tr '\n' ' '`
+          customImage: mobsakai/unity3d:${{ matrix.version }}
+          customParameters: -nographics
+          # unityVersion: ${{ matrix.version }}
+          checkName: ${{ matrix.version }} Test Results
+          githubToken: ${{ github.token }}
+        env:
+          UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}
--- a/.releaserc.json
+++ b/.releaserc.json
@@ -0,0 +1,25 @@
+{
+  "branches": [
+    "+([0-9])?(.{+([0-9]),x}).x",
+    "master",
+    "main",
+    {
+      "name": "preview",
+      "prerelease": true
+    }
+  ],
+  "tagFormat": "${version}",
+  "plugins": [
+    "@semantic-release/commit-analyzer",
+    "@semantic-release/release-notes-generator",
+    "@semantic-release/changelog",
+    [
+      "@semantic-release/npm",
+      {
+        "npmPublish": false
+      }
+    ],
+    "@semantic-release/git",
+    "@semantic-release/github"
+  ]
+}
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,257 @@
+# [4.4.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.3.0...4.4.0) (2023-11-08)
+
+
+### Features
+
+* support 'Active Apply Color Space' for linear color space ([45c56bb](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/45c56bbd850202365751ea019baf5131b2eb9fbe))
+
+# [4.3.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.2.2...4.3.0) (2023-11-08)
+
+
+### Features
+
+* added 'autoScalingMode (None, Transform.localScale, UIParticle.scale)' instead of 'autoScaling' ([107f901](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/107f901fe3232223322681edc4bf908642474298))
+* reset transform.localScale on upgrading v3.x to v4.x ([c710787](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c710787b5ba496cf73e7eb43458bb3958139baa9)), closes [#277](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/277)
+
+## [4.2.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.2.1...4.2.2) (2023-10-25)
+
+
+### Bug Fixes
+
+* il2cpp code stripping bug ([73f6dad](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/73f6dad0f33641a76ddd05ffc6812ced3f8a276d)), closes [#269](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/269)
+
+## [4.2.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.2.0...4.2.1) (2023-08-18)
+
+
+### Bug Fixes
+
+* autoScaling and PositionMode may be locked ([3f2f12d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/3f2f12d2cf7541118c02830ec9fdea8183357487))
+
+# [4.2.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.1.7...4.2.0) (2023-08-18)
+
+
+### Bug Fixes
+
+* assertion 'ps->array_size()' in UpdateMesh() when using trails of type ribbon ([f75fcce](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f75fcce0dae0bc166bd01d36a150aded1fd721f3)), closes [#241](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/241)
+* built-in shaders are no longer supported ([c2119c1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c2119c171a1262431eac7fea6bf3125db2bcaaca)), closes [#233](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/233) [#257](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/257)
+* crash occurs when too many vertices are rendered ([723a04d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/723a04d0cfd156715a3c92b6d6bd75fdc1862c28))
+* error: SerializedObject target has been destroyed ([e930516](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e93051603e121732c92bcd89ded48087c2b0d7fb)), closes [#267](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/267)
+* excessive particle emitted on move ParticleSystem for local space simulation and emission over distance ([2fe0bde](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/2fe0bde422f9769dfedaf6b053ea07f773646679)), closes [#265](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/265)
+* fix typos ([52f2ef1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/52f2ef1f2471a2e1c29fca96255c04b222d9c848))
+* generated GameObject will be named '[generated] *' ([9b2e5c1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9b2e5c1d1024e091de6d18a4578cd18b43563e48))
+* inactive ParticleSystems are removed from the list on refresh ([4851a18](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4851a1880eef9f385dd9db644ea7e544f95da4fc))
+* mesh sharing not working ([8b4ca1a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8b4ca1add5c409601e840253e1c0dbcdbf536da8)), closes [#236](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/236)
+* nullptr exceptions when using nested UIParticle components in hierarchy ([e67e948](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e67e9482e2cb840b16e2cfe76e04f7423fcbd3a3)), closes [#246](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/246)
+* nullReferenceException after copy-n-paste ([425aad0](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/425aad0cbab475635c72bee84ecbf3f2acedccc2)), closes [#258](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/258)
+* remove unnecessary per-frame allocation. ([e92b514](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e92b514624cc362e53ddeae5ade20fa732f94c7c))
+* scaling ParticleSystem puts prewarmed particles in wrong location ([fb31db4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/fb31db47f2debb3aadbdc4d1b88d0efd9c4ad7bd)), closes [#235](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/235)
+* sub-emitters option is not work in editor playing ([b308b26](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b308b2683372662bb834b6f6d23ea3435a68d1b3)), closes [#231](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/231)
+* the camera under UIParticle will be assigned as _orthoCamera ([c42f8c8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c42f8c8ab0ff033689349a81e02a4808e071a8a2))
+* UIParticleAttractor attracts the particles at wrong position when in RelativeMode ([68d9925](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/68d9925a16237df3c7b07b4781172cbd03425421)), closes [#262](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/262)
+
+
+### Features
+
+* 'AbsoluteMode' option is renamed to 'PositionMode' ([67eff61](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/67eff610736344ba0122163ff5ee63b25c43f555))
+* 'AutoScaling' option will be imported from 'IgnoreCanvasScale' (for v3.x) ([4103041](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/410304125f3f25f3f543c7bc01dcc661eab00609))
+* add 'AutoScaling' option for UIParticle ([35325c8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/35325c88996fa6aea19a6dd1395c05884e1f84ae))
+* add 'UpdateMode' option for UIParticleAttractor ([903f702](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/903f702d7be38228841a5a693e3afdceb4a59d9f)), closes [#250](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/250)
+* add particle system getter and setter for attractor ([a4bcf93](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a4bcf93022d2729f3d2a74a2cac4f52e68641b18)), closes [#253](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/253)
+* add public properties for UIParticleAttractor ([392ab6d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/392ab6dd76c36e815320d3a50744d19faa631260)), closes [#253](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/253)
+* add Start/StopEmission API for UIParticle ([e499836](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e4998365c9825fa385e0a317768ce073a1f15b48)), closes [#240](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/240)
+
+## [4.1.7](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.1.6...4.1.7) (2022-08-30)
+
+
+### Bug Fixes
+
+* the annoying empty black scene overlay box shown even when nothing is selected ([bdeeabb](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/bdeeabbbe140b0ba80fac7ac477874c2467d3a16))
+
+## [4.1.6](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.1.5...4.1.6) (2022-08-10)
+
+
+### Bug Fixes
+
+* fix abnormal mesh bounds error ([f60d6df](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f60d6dfe6030ac89527a4265e414e9a0a20d56db)), closes [#213](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/213) [#218](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/218)
+
+## [4.1.5](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.1.4...4.1.5) (2022-08-10)
+
+
+### Bug Fixes
+
+* fix culling for RectMask2D ([9e2dbe7](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9e2dbe7758eb28a4f6a7c11113d9169847880f96)), closes [#220](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/220)
+
+## [4.1.4](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.1.3...4.1.4) (2022-07-01)
+
+
+### Bug Fixes
+
+* add `Enabled` toggle in overlay window ([f97e619](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f97e6195e62b5acfa8f3e97bfe3bc4a7dcadf38a))
+* if `m_Particles` contains null, an error will occur ([550d0c4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/550d0c43be35cd07e390ffd5749557c89fee0332)), closes [#214](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/214)
+* ParticleSystem reordering and refreshing in inspector does not work for prefab asset ([7eb4112](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/7eb41124db06ea794db76788b35ce82a0af2c402))
+* refresh button does not works in prefab edit mode ([c1538a8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c1538a83998608a30dc90944b05f8b75e165cf05)), closes [#214](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/214)
+* when `UIParticlrRenderer` destroy manually, an error will occur ([a11d2d0](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a11d2d01ce5f67e3f430bcb0bfdee1ad9abf7cfe))
+
+## [4.1.3](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.1.2...4.1.3) (2022-06-28)
+
+
+### Bug Fixes
+
+* error on drag prefab to scene ([fa2f867](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/fa2f867bcaff437bb9420da1abcef970cdb09ade)), closes [#211](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/211)
+
+## [4.1.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.1.1...4.1.2) (2022-06-27)
+
+
+### Bug Fixes
+
+* error on editor ([8034228](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/80342287137c07d58a7492875a401d80cb134073)), closes [#210](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/210)
+* incorrect position of world space trail particles ([fb7f308](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/fb7f308f092db8a1512383857b80110cd626ecf9)), closes [#209](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/209)
+
+## [4.1.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.1.0...4.1.1) (2022-06-25)
+
+
+### Bug Fixes
+
+* add absolute mode toggle to overlay window ([48d1994](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/48d1994f5f8751b707b6ef7695b552df731bece9))
+
+# [4.1.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.0.1...4.1.0) (2022-06-25)
+
+
+### Features
+
+* add relative/absolute particle position mode ([1879ac8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1879ac8c538778e386e68cfc989a6f4f974043ca)), closes [#205](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/205)
+
+## [4.0.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.0.0...4.0.1) (2022-06-24)
+
+
+### Bug Fixes
+
+* overlays do not exist in Unity 2019.2-2021.1 ([cd8e037](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/cd8e0372b63bb6feaaf053518013a641bc7e65ac)), closes [#207](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/207) [#208](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/208)
+
+# [4.0.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.3.12...4.0.0) (2022-06-21)
+
+
+### Bug Fixes
+
+* correct world space particle position when changing screen size ([c6644a2](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c6644a213263375c7a35b5082ef4b71cc58964e6))
+* keep properly canvas batches ([d8e96e6](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/d8e96e69a62dff7a451eaed32c7a814e7e62dbb9))
+
+
+### Features
+
+* adaptive scaling for UI ([aa0d56f](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/aa0d56f9faa05e9679d4b476bcf135eafb1b8af9))
+* add overlay window for UIParticle ([7b21c50](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/7b21c500ef78103b605fdca71051d2357b09602f))
+* add particle attractor component ([386170c](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/386170cbf68ebf59d4510fe0a45cf83925ec9ba4))
+* display warning in inspector if using 'TEXCOORD*.zw' components as custom vertex stream ([59221d5](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/59221d58217a440b77d504e6428bf99f10246260))
+* mesh sharing group ([9afeebf](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9afeebf67212cdf4d3ac9e9a3b78a7ced5c7ecfe))
+* random mesh sharing group ([4fa43ed](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4fa43eda4bc70c9c827c4fad9d5ae1327bfbc322))
+* support 8+ materials ([b76bf5a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b76bf5a5ad378c3c4b16bcf08d21337757557101)), closes [#122](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/122) [#152](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/152) [#186](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/186)
+
+
+### BREAKING CHANGES
+
+* If you update to v4, you may be required to adjust your UIParticle.scale.
+
+# [4.0.0-preview.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.3.12...4.0.0-preview.1) (2022-06-18)
+
+
+### Bug Fixes
+
+* correct world space particle position when changing screen size ([c6644a2](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c6644a213263375c7a35b5082ef4b71cc58964e6))
+* keep properly canvas batches ([d8e96e6](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/d8e96e69a62dff7a451eaed32c7a814e7e62dbb9))
+
+
+### Features
+
+* adaptive scaling for UI ([aa0d56f](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/aa0d56f9faa05e9679d4b476bcf135eafb1b8af9))
+* add overlay window for UIParticle ([7b21c50](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/7b21c500ef78103b605fdca71051d2357b09602f))
+* add particle attractor component ([386170c](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/386170cbf68ebf59d4510fe0a45cf83925ec9ba4))
+* mesh sharing group ([9afeebf](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9afeebf67212cdf4d3ac9e9a3b78a7ced5c7ecfe))
+* random mesh sharing group ([4fa43ed](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4fa43eda4bc70c9c827c4fad9d5ae1327bfbc322))
+* support 8+ materials ([b76bf5a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b76bf5a5ad378c3c4b16bcf08d21337757557101)), closes [#122](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/122) [#152](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/152) [#186](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/186)
+
+
+### BREAKING CHANGES
+
+* If you update to v4, you may be required to adjust your UIParticle.scale.
+
+## [3.3.12](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.3.11...3.3.12) (2022-06-10)
+
+
+### Bug Fixes
+
+* always display materials in inspector ([a10042d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a10042d989dea18ff010bdbe970aa434e2bdf117))
+* UNITY_UI_ALPHACLIP in UIAdditive shader is not working ([e817e8d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e817e8d3c75188f3243243855b135bd840699199))
+
+## [3.3.11](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.3.10...3.3.11) (2022-06-10)
+
+
+### Bug Fixes
+
+* sorting by layer does not work properly ([ccc09e6](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ccc09e6aca2fa3d7bc887e6c733e66706e40ae0f))
+* when using linear color space, the particle colors are not output correctly ([11c3a7b](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/11c3a7b37415d78e1b8ba3988a6e043c9f1861e0)), closes [#203](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/203)
+
+## [3.3.10](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.3.9...3.3.10) (2022-02-17)
+
+
+### Bug Fixes
+
+* annoying warning for [ExecuteInEditMode] ([b6b2c72](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b6b2c72b198566e2880a22831c937eff7e9eff28)), closes [#180](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/180)
+* PrefabStageUtility class is not experimental after 2021.2 ([0fd5d7a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0fd5d7affe707fa9e92abd6e192bf400dfb1a80a))
+
+## [3.3.9](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.3.8...3.3.9) (2021-08-02)
+
+
+### Bug Fixes
+
+* fix for warning CS0618 ([61760d9](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/61760d940cdd4baacaa196ac1631a0a1a40b7204))
+
+## [3.3.8](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.3.7...3.3.8) (2021-06-08)
+
+
+### Bug Fixes
+
+* improve performance ([e352d15](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e352d153cef8c1efb2792e35010d7eed1e31a040))
+
+## [3.3.7](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.3.6...3.3.7) (2021-06-02)
+
+
+### Bug Fixes
+
+* Refresh() will be called multiple times in the same frame, due to external assets ([0b9d80d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0b9d80da939580c72ca1471081d7a034edc985d4))
+
+## [3.3.6](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.3.5...3.3.6) (2021-05-11)
+
+
+### Bug Fixes
+
+* In rare cases, the generated camera (for baking) will not be deactivated ([12c748a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/12c748a8cd4adfd2dc5f085cec77050431f261a4))
+* remove from "Add Component" menu ([476c402](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/476c4027ff5f70fb9b4c026dd5fc59bf5a876227))
+
+## [3.3.5](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.3.4...3.3.5) (2021-02-28)
+
+
+### Bug Fixes
+
+* fix cached position for pre-warmed particles ([e3f42d7](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e3f42d747a7fd973b5813cc72a9444943a6c3ad0))
+* ParticleSystem creates particles in wrong position during pre-warm ([b93e0e4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b93e0e4701c7011176eeec5c109dda7f4ea632e0)), closes [#147](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/147)
+
+## [3.3.4](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.3.3...3.3.4) (2021-02-22)
+
+
+### Bug Fixes
+
+* Multiselecting sets all scales to the same value ([13223b2](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/13223b2d747609cf88b424ad590bda7f857b387d))
+* support sub emitter with 'PlayOnAwake' ([d5ce78a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/d5ce78ae5acf2740ba7fdc6cde9f197c4e165484))
+* The maximum material count is 8 ([3bb5241](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/3bb52412751360409747192150188ae904f2c3d3))
+
+## [3.3.3](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.3.2...3.3.3) (2021-02-03)
+
+
+### Bug Fixes
+
+* particle trails draw in wrong transform ([17ce81e](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/17ce81eb0eccb103c21fa553183df97429cf5c6f)), closes [#145](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/145)
+
 ## [3.3.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.3.1...3.3.2) (2021-02-01)


--- a/CODE_OF_CONDUCT.md
+++ b/CODE_OF_CONDUCT.md
@@ -81,4 +81,4 @@ Community Impact Guidelines were inspired by [Mozilla's code of conduct enforcem
 [homepage]: https://www.contributor-covenant.org

 For answers to common questions about this code of conduct, see the FAQ at
-https://www.contributor-covenant.org/faq. Translations are available at https://www.contributor-covenant.org/translations.
+https://www.contributor-covenant.org/faq. Translations are available at https://www.contributor-covenant.org/translations.
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -1,7 +1,7 @@
-Copyright 2018 mob-sakai
+Copyright 2018-2023 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:

 The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
--- a/README.md
+++ b/README.md
@@ -1,19 +1,15 @@
 Particle Effect For UGUI (UI Particle)
 ===

-**:warning: NOTE: Do not use [the obsolete tags and branches](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/108) to reference the package. They will be removed in near future. :warning:**
-
 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.
+The particle rendering is maskable and sortable, without 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)](https://github.com/mob-sakai/ParticleEffectForUGUI/releases)
+[![](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)
-[![PRs Welcome](https://img.shields.io/badge/PRs-welcome-orange.svg)](http://makeapullrequest.com)  
-![](https://img.shields.io/badge/Unity%202018.2+-supported-blue.svg)
-![](https://img.shields.io/badge/Unity%202019.x-supported-blue.svg)
-![](https://img.shields.io/badge/Unity%202020.x-supported-blue.svg)  
-![](https://img.shields.io/badge/Universal%20Rendering%20Pipeline-supported-blue.svg)
+[![PRs Welcome](https://img.shields.io/badge/PRs-welcome-orange.svg)](http://makeapullrequest.com)


 << [Description](#Description) | [Demo](#demo) | [Installation](#installation) | [Usage](#usage) | [Development Note](#development-note) | [Change log](https://github.com/mob-sakai/ParticleEffectForUGUI/blob/upm/CHANGELOG.md) >>
@@ -30,47 +26,65 @@ This plugin uses new APIs `MeshBake/MashTrailBake` (added with Unity 2018.2) to
 You can mask and sort particles for uGUI without Camera, RenderTexture, Canvas.

 Compares this "Baking mesh" approach with the conventional approach:  
-(This scene is included in the package.)
+[Performance test results](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/193#issuecomment-1160028374)

 |Approach|Good|Bad|Screenshot|
 |-|-|-|-|
-|Baking mesh<br>**\(UIParticle\)**|Rendered as is.<br>Maskable.<br>Sortable.<br>Less objects.|**Requires Unity 2018.2 or later.**<br>Requires UI shaders to use Mask.|<img src="https://user-images.githubusercontent.com/12690315/41765089-0302b9a2-763e-11e8-88b3-b6ffa306bbb0.gif" width="500px">|
+|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">|

+|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|
+
+<br><br>

 #### Features

 * Easy to use: the package is out-of-the-box
-* Sort particle effects with UI
+* Sort particle effects and UI by sibling index
 * No Camera, RenderTexture or Canvas are required
-* Masking with Mask or RectMask2D
+* Masking by Mask or RectMask2D
 * Support Trail module
-* Change alpha with CanvasGroup
-* No heavy allocation every frame
+* 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)


 <br><br><br><br>

 ## Demo

-* [WebGL Demo](https://mob-sakai.github.io/Demos/ParticleEffectForUGUI)
+* [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
+> ![](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

-![](https://user-images.githubusercontent.com/12690315/91664766-3e07ac00-eb2c-11ea-978b-ef723be80619.gif)
-
-

 <br><br><br><br>

@@ -78,39 +92,41 @@ Compares this "Baking mesh" approach with the conventional approach:

 ### Requirement

-![](https://img.shields.io/badge/Unity%202018.2+-supported-blue.svg)
-![](https://img.shields.io/badge/Unity%202019.x-supported-blue.svg)
-![](https://img.shields.io/badge/Unity%202020.x-supported-blue.svg)  
-![](https://img.shields.io/badge/Universal%20Rendering%20Pipeline-supported-blue.svg)
+Unity 2018.2 or later

-### Using OpenUPM
+### Install via OpenUPM

-This package is available on [OpenUPM](https://openupm.com).  
-You can install it via [openupm-cli](https://github.com/openupm/openupm-cli).
+This package is available on [OpenUPM](https://openupm.com).
+It's recommended to install it via [openupm-cli](https://github.com/openupm/openupm-cli).
 ```
 openupm add com.coffee.ui-particle
 ```

-### Using Git
+### Install via Package Manager Window (using Git URL)

-Find the manifest.json file in the Packages folder of your project and add a line to `dependencies` field.
+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)

-* `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git"`
-
-To update the package, change suffix `#{version}` to the target version.
-
-* `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git#3.3.0",`

 Or, use [UpmGitExtension](https://github.com/mob-sakai/UpmGitExtension) to install and update the package.

-### For Unity 2018.2
+### Install via manifest.json (using Git URL)

-Unity 2018.2 supports embedded packages.
+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",`
+
+### Install as an embed package

 1. Download a source code zip file from [Releases](https://github.com/mob-sakai/ParticleEffectForUGUI/releases) page
-2. Extract it
-3. Import it under `Packages` directory in your Unity project
-
+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)


 <br><br><br><br>
@@ -147,16 +163,17 @@ Unity 2018.2 supports embedded packages.

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

-![](https://user-images.githubusercontent.com/12690315/99765566-af129a80-2b42-11eb-88f6-661182d0b619.png)
+![](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/3559df45-63e7-4c4c-9233-f455779efa29)

 | Properties | Description |
 | -- | -- |
 | Maskable | Does this graphic allow masking. |
-| Ignore Canvas Scale | Ignore the scale of the root canvas.<br>This prevents it from displaying small even in hierarchy scaling mode of `ParticleSystem`. |
 | 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. |
-| Shrink By Material | Shrink rendering by material.<br>Performance will be improved, but in some cases the rendering is not correct. |
-| Rendering Order | The ParticleSystems to be rendered.<br>You can change the rendering order and the materials. |
+| 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. |

 NOTE: Press `Refresh` button to reconstruct rendering order based on children ParticleSystem's sorting order and z position.

@@ -171,7 +188,7 @@ NOTE: Press `Refresh` button to reconstruct rendering order based on children Pa

 <br><br>

-### With your 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)
@@ -180,9 +197,10 @@ NOTE: Press `Refresh` button to reconstruct rendering order based on children Pa

 <br><br>

-### With `Mask` or `MaskRect2D` 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.

 ![](https://user-images.githubusercontent.com/12690315/95017591-3b512700-0695-11eb-864e-04166ea1809a.png)

@@ -196,31 +214,195 @@ If you want to mask particles, set a stencil supported shader (such as `UI/UIAdd
 var go = GameObject.Instantiate(prefab);
 var uiParticle = go.AddComponent<UIParticle>();

-// Play/Stop the controled ParticleSystems.
+// Control by ParticleSystem.
+particleSystem.Play();
+particleSystem.Emit(10);
+
+// Control by UIParticle.
 uiParticle.Play();
 uiParticle.Stop();
 ```

+<br><br>
+
+### UIParticleAttractor component
+
+`UIParticleAttractor` attracts particles generated by the specified ParticleSystem.
+
+![](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). |
+
 <br><br><br><br>

 ## Development Note

-### Animatable material property
+### FAQ: Why are my particle effects not displayed correctly?

-![](https://user-images.githubusercontent.com/12690315/53286323-2d94a980-37b0-11e9-8afb-c4a207805ff2.gif)
+If `ParticleSystem` alone displays particles correctly but `UIParticle` does not, please check the following points:

-Animation clips can change the material properties of the Renderer, such as ParticleSystemRenderer.  
-It uses MaterialPropertyBlock so it does not create new material instances.  
-Using material properties, you can change UV animation, scale and color etc.
+* [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`.

-Well, there is a component called CanvasRenderer.  
-It is used by all Graphic components for UI (Text, Image, Raw Image, etc.) including UIParticle.  
-However, It is **NOT** a Renderer.  
-Therefore, in UIParticle, changing ParticleSystemRenderer's MaterialPropertyBlock by animation clip is ignored.

-To prevent this, Use "Animatable Material Property".  
-"Animatable Material Property" gets the necessary properties from ParticleSystemRenderer's MaterialPropertyBlock and sets them to the CanvasRenderer's material. 
+<br>

+### Shader Limitation
+
+The use of UI shaders is recommended.
+
+- If you need a simple Additive shader, use the `UI/Additive` shader instead.
+- If you need a simple alpha-blend shader, use the `UI/Default` shader instead.
+- If your custom shader does not work properly with UIParticle, consider creating a custom UI shader.
+
+#### Built-in shaders are not supported
+
+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.
+
+#### 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.  
+
+#### Custom vertex streams
+
+When using custom vertex streams, you can fill zw components with "unnecessary" data.  
+https://github.com/mob-sakai/ParticleEffectForUGUI/issues/191
+
+
+<br>
+
+### Overheads
+
+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
+
+<details>
+<summary>Shader tips</summary>
+
+```ShaderLab
+Shader "Your/Custom/Shader"
+{
+    Properties
+    {
+        // ...
+        // #### required for Mask ####
+        _StencilComp ("Stencil Comparison", Float) = 8
+        _Stencil ("Stencil ID", Float) = 0
+        _StencilOp ("Stencil Operation", Float) = 0
+        _StencilWriteMask ("Stencil Write Mask", Float) = 255
+        _StencilReadMask ("Stencil Read Mask", Float) = 255
+        _ColorMask ("Color Mask", Float) = 15
+        [Toggle(UNITY_UI_ALPHACLIP)] _UseUIAlphaClip ("Use Alpha Clip", Float) = 0
+    }
+
+    SubShader
+    {
+        Tags
+        {
+            // ...
+        }
+
+        // #### required for Mask ####
+        Stencil
+        {
+            Ref [_Stencil]
+            Comp [_StencilComp]
+            Pass [_StencilOp]
+            ReadMask [_StencilReadMask]
+            WriteMask [_StencilWriteMask]
+        }
+        ColorMask [_ColorMask]
+        // ...
+
+        Pass
+        {
+            // ...
+            // #### required for RectMask2D ####
+            #include "UnityUI.cginc"
+            #pragma multi_compile __ UNITY_UI_CLIP_RECT
+            float4 _ClipRect;
+
+            // #### required for Mask ####
+            #pragma multi_compile __ UNITY_UI_ALPHACLIP
+
+            struct appdata_t
+            {
+                // ...
+            };
+
+            struct v2f
+            {
+                // ...
+                // #### required for RectMask2D ####
+                float4 worldPosition    : TEXCOORD1;
+            };
+            
+            v2f vert(appdata_t v)
+            {
+                v2f OUT;
+                // ...
+                // #### required for RectMask2D ####
+                OUT.worldPosition = v.vertex;
+                return OUT;
+            }
+
+            fixed4 frag(v2f IN) : SV_Target
+            {
+                // ...
+                // #### required for RectMask2D ####
+                #ifdef UNITY_UI_CLIP_RECT
+                    color.a *= UnityGet2DClipping(IN.worldPosition.xy, _ClipRect);
+                #endif
+
+                // #### required for Mask ####
+                #ifdef UNITY_UI_ALPHACLIP
+                    clip (color.a - 0.001);
+                #endif
+
+                return color;
+            }
+            ENDCG
+        }
+    }
+}
+```
+</details>


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+        type: 3}
+      propertyPath: m_AnchorMin.y
+      value: 0
+      objectReference: {fileID: 0}
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+      propertyPath: m_AnchorMax.y
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--- a/Demo/CFX_Demo_With_UIParticle.cs
+++ b/Demo/CFX_Demo_With_UIParticle.cs
@@ -1,85 +1,87 @@
 using System;
 using System.Linq;
 using System.Reflection;
-using Coffee.UIExtensions;
-using UnityEditor;
 using UnityEngine;
 using UnityEngine.SceneManagement;
 using UnityEngine.UI;
 using Object = UnityEngine.Object;

-public class CFX_Demo_With_UIParticle : MonoBehaviour
+namespace Coffee.UIExtensions.Demo
 {
-    private UIParticle UiParticle;
-    private Toggle spawnOnUI;
-    private MonoBehaviour demo;
-
-    // Start is called before the first frame update
-    private void Start()
+    public class CFX_Demo_With_UIParticle : MonoBehaviour
    {
-        UiParticle = GetComponentInChildren<UIParticle>();
-        spawnOnUI = GetComponentInChildren<Toggle>();
+        private MonoBehaviour _demo;
+        private Toggle _spawnOnUI;
+        private UIParticle _uiParticle;

-        demo = FindObjectOfType("CFX_Demo_New") as MonoBehaviour
-               ?? FindObjectOfType("WFX_Demo_New") as MonoBehaviour;
-
-        SetCanvasWidth(800);
-        SetCanvasRenderOverlay(true);
-    }
-
-    private Object FindObjectOfType(string typeName)
-    {
-        var type = AppDomain.CurrentDomain.GetAssemblies()
-            .SelectMany(x => x.GetTypes())
-            .FirstOrDefault(x => x.Name == typeName);
-
-        return type == null ? null : FindObjectOfType(type);
-    }
-
-    // Update is called once per frame
-    private void Update()
-    {
-        if (!spawnOnUI.isOn || !demo || !Input.GetMouseButtonDown(0)) return;
-
-        foreach (Transform child in UiParticle.transform)
+        // Start is called before the first frame update
+        private void Start()
        {
-            Destroy(child.gameObject);
+            _uiParticle = GetComponentInChildren<UIParticle>();
+            _spawnOnUI = GetComponentInChildren<Toggle>();
+            _demo = FindObjectOfType("CFX_Demo_New") as MonoBehaviour
+                    ?? FindObjectOfType("WFX_Demo_New") as MonoBehaviour;
+
+            SetCanvasWidth(800);
+            SetCanvasRenderOverlay(true);
        }

-        var particle = demo.GetType()
-            .GetMethod("spawnParticle", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public)
-            .Invoke(demo, new object[0]) as GameObject;
-        particle.transform.localScale = Vector3.one;
-        UiParticle.SetParticleSystemInstance(particle);
-    }
-
-    public void SetCanvasWidth(int width)
-    {
-        var scaler = GetComponentInParent<CanvasScaler>();
-        scaler.screenMatchMode = CanvasScaler.ScreenMatchMode.MatchWidthOrHeight;
-        scaler.matchWidthOrHeight = 0;
-        var resolution = scaler.referenceResolution;
-        resolution.x = width;
-        scaler.referenceResolution = resolution;
-    }
-
-    public void SetCanvasRenderOverlay(bool enable)
-    {
-        var canvas = GetComponentInParent<Canvas>();
-        if (enable)
+        // Update is called once per frame
+        private void Update()
        {
-            canvas.renderMode = RenderMode.ScreenSpaceOverlay;
-        }
-        else
-        {
-            canvas.worldCamera = Camera.main;
-            canvas.renderMode = RenderMode.ScreenSpaceCamera;
-            canvas.planeDistance = 5;
-        }
-    }
+            if (!_spawnOnUI.isOn || !_demo || !Input.GetMouseButtonDown(0)) return;

-    public void LoadScene(string scene)
-    {
-        SceneManager.LoadScene(scene);
+            foreach (Transform child in _uiParticle.transform)
+            {
+                Destroy(child.gameObject);
+            }
+
+            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);
+        }
+
+        private static Object FindObjectOfType(string typeName)
+        {
+            var type = AppDomain.CurrentDomain.GetAssemblies()
+                .SelectMany(x => x.GetTypes())
+                .FirstOrDefault(x => x.Name == typeName);
+
+            return type == null ? null : FindObjectOfType(type);
+        }
+
+        public void SetCanvasWidth(int width)
+        {
+            var scaler = GetComponentInParent<CanvasScaler>();
+            scaler.screenMatchMode = CanvasScaler.ScreenMatchMode.MatchWidthOrHeight;
+            scaler.matchWidthOrHeight = 0;
+            var resolution = scaler.referenceResolution;
+            resolution.x = width;
+            scaler.referenceResolution = resolution;
+        }
+
+        public void SetCanvasRenderOverlay(bool enable)
+        {
+            var canvas = GetComponentInParent<Canvas>();
+            if (enable)
+            {
+                canvas.renderMode = RenderMode.ScreenSpaceOverlay;
+            }
+            else
+            {
+                canvas.worldCamera = Camera.main;
+                canvas.renderMode = RenderMode.ScreenSpaceCamera;
+                canvas.planeDistance = 5;
+            }
+        }
+
+        public void LoadScene(string scene)
+        {
+            SceneManager.LoadScene(scene);
+        }
    }
 }
--- a/Demo/ParticleEffectForUGUI.prefab
+++ b/Demo/ParticleEffectForUGUI.prefab
@@ -63,8 +63,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_FontData:
    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
    m_FontSize: 14
@@ -90,7 +88,7 @@ GameObject:
  - component: {fileID: 5041533387716296293}
  - component: {fileID: 5122306272436999681}
  m_Layer: 5
-  m_Name: Buttons (1)
+  m_Name: Button - Canvas Width
  m_TagString: Untagged
  m_Icon: {fileID: 0}
  m_NavMeshLayer: 0
@@ -204,8 +202,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_FontData:
    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
    m_FontSize: 14
@@ -285,8 +281,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_FontData:
    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
    m_FontSize: 14
@@ -399,8 +393,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_FontData:
    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
    m_FontSize: 14
@@ -483,8 +475,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_Sprite: {fileID: 10907, guid: 0000000000000000f000000000000000, type: 0}
  m_Type: 1
  m_PreserveAspect: 0
@@ -559,8 +549,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_FontData:
    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
    m_FontSize: 14
@@ -732,8 +720,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_Sprite: {fileID: 10905, guid: 0000000000000000f000000000000000, type: 0}
  m_Type: 1
  m_PreserveAspect: 0
@@ -806,8 +792,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_Sprite: {fileID: 10907, guid: 0000000000000000f000000000000000, type: 0}
  m_Type: 1
  m_PreserveAspect: 0
@@ -828,7 +812,7 @@ GameObject:
  - component: {fileID: 3859681902116860941}
  - component: {fileID: 3859681902116860938}
  m_Layer: 5
-  m_Name: Toggle
+  m_Name: Toggle - Spawn On UI
  m_TagString: Untagged
  m_Icon: {fileID: 0}
  m_NavMeshLayer: 0
@@ -898,8 +882,6 @@ MonoBehaviour:
  onValueChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.Toggle+ToggleEvent, UnityEngine.UI, Version=1.0.0.0,
-      Culture=neutral, PublicKeyToken=null
  m_IsOn: 1
 --- !u!1 &3859681902214993101
 GameObject:
@@ -965,8 +947,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_FontData:
    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
    m_FontSize: 14
@@ -1060,8 +1040,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_FontData:
    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
    m_FontSize: 14
@@ -1101,7 +1079,7 @@ GameObject:
  m_Component:
  - component: {fileID: 3859681902277892211}
  m_Layer: 5
-  m_Name: Particle Size
+  m_Name: Slider - Particle Size
  m_TagString: Untagged
  m_Icon: {fileID: 0}
  m_NavMeshLayer: 0
@@ -1191,8 +1169,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_Sprite: {fileID: 10905, guid: 0000000000000000f000000000000000, type: 0}
  m_Type: 1
  m_PreserveAspect: 0
@@ -1265,8 +1241,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_Sprite: {fileID: 10913, guid: 0000000000000000f000000000000000, type: 0}
  m_Type: 0
  m_PreserveAspect: 0
@@ -1376,8 +1350,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_FontData:
    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
    m_FontSize: 14
@@ -1470,8 +1442,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_Sprite: {fileID: 10905, guid: 0000000000000000f000000000000000, type: 0}
  m_Type: 1
  m_PreserveAspect: 0
@@ -1580,8 +1550,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_Sprite: {fileID: 10901, guid: 0000000000000000f000000000000000, type: 0}
  m_Type: 0
  m_PreserveAspect: 0
@@ -1601,7 +1569,7 @@ GameObject:
  m_Component:
  - component: {fileID: 3859681902805960555}
  m_Layer: 5
-  m_Name: Particle Alpha
+  m_Name: Slider - Particle Alpha
  m_TagString: Untagged
  m_Icon: {fileID: 0}
  m_NavMeshLayer: 0
@@ -1727,8 +1695,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_Sprite: {fileID: 10913, guid: 0000000000000000f000000000000000, type: 0}
  m_Type: 0
  m_PreserveAspect: 0
@@ -1802,8 +1768,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_FontData:
    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
    m_FontSize: 14
@@ -1930,8 +1894,6 @@ MonoBehaviour:
          m_StringArgument: 
          m_BoolArgument: 0
        m_CallState: 2
-    m_TypeName: UnityEngine.UI.Slider+SliderEvent, UnityEngine.UI, Version=1.0.0.0,
-      Culture=neutral, PublicKeyToken=null
 --- !u!1 &3859681903088303440
 GameObject:
  m_ObjectHideFlags: 0
@@ -1997,8 +1959,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_Sprite: {fileID: 10905, guid: 0000000000000000f000000000000000, type: 0}
  m_Type: 1
  m_PreserveAspect: 0
@@ -2083,8 +2043,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_Sprite: {fileID: 10907, guid: 0000000000000000f000000000000000, type: 0}
  m_Type: 1
  m_PreserveAspect: 0
@@ -2202,8 +2160,6 @@ MonoBehaviour:
          m_StringArgument: 
          m_BoolArgument: 0
        m_CallState: 2
-    m_TypeName: UnityEngine.UI.Slider+SliderEvent, UnityEngine.UI, Version=1.0.0.0,
-      Culture=neutral, PublicKeyToken=null
 --- !u!1 &3859681903267533664
 GameObject:
  m_ObjectHideFlags: 0
@@ -2267,8 +2223,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_FontData:
    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
    m_FontSize: 14
@@ -2293,7 +2247,7 @@ GameObject:
  m_Component:
  - component: {fileID: 3859681903288043166}
  m_Layer: 5
-  m_Name: UI Alpha
+  m_Name: Slider - Front UI Alpha
  m_TagString: Untagged
  m_Icon: {fileID: 0}
  m_NavMeshLayer: 0
@@ -2453,8 +2407,6 @@ MonoBehaviour:
          m_StringArgument: 
          m_BoolArgument: 0
        m_CallState: 2
-    m_TypeName: UnityEngine.UI.Slider+SliderEvent, UnityEngine.UI, Version=1.0.0.0,
-      Culture=neutral, PublicKeyToken=null
 --- !u!1 &3859681903619808813
 GameObject:
  m_ObjectHideFlags: 0
@@ -2519,13 +2471,14 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_IsTrail: 0
-  m_IgnoreCanvasScaler: 1
-  m_Scale: 100
+  m_Scale3D: {x: 100, y: 100, z: 100}
  m_AnimatableProperties: []
  m_Particles: []
+  m_MeshSharing: 0
+  m_GroupId: 0
+  m_GroupMaxId: 0
+  m_Maskable: 1
 --- !u!225 &3859681903619808809
 CanvasGroup:
  m_ObjectHideFlags: 0
@@ -2637,8 +2590,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_Sprite: {fileID: 10907, guid: 0000000000000000f000000000000000, type: 0}
  m_Type: 1
  m_PreserveAspect: 0
@@ -2748,8 +2699,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_Sprite: {fileID: 10905, guid: 0000000000000000f000000000000000, type: 0}
  m_Type: 1
  m_PreserveAspect: 0
@@ -2822,8 +2771,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_Sprite: {fileID: 10913, guid: 0000000000000000f000000000000000, type: 0}
  m_Type: 0
  m_PreserveAspect: 0
@@ -2847,7 +2794,7 @@ GameObject:
  - component: {fileID: 3360835017440122026}
  - component: {fileID: 1366113540849943547}
  m_Layer: 5
-  m_Name: Button (1)
+  m_Name: Button - Camera
  m_TagString: Untagged
  m_Icon: {fileID: 0}
  m_NavMeshLayer: 0
@@ -2899,8 +2846,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_Sprite: {fileID: 10905, guid: 0000000000000000f000000000000000, type: 0}
  m_Type: 1
  m_PreserveAspect: 0
@@ -2961,8 +2906,6 @@ MonoBehaviour:
          m_StringArgument: 
          m_BoolArgument: 0
        m_CallState: 2
-    m_TypeName: UnityEngine.UI.Button+ButtonClickedEvent, UnityEngine.UI, Version=1.0.0.0,
-      Culture=neutral, PublicKeyToken=null
 --- !u!114 &1366113540849943547
 MonoBehaviour:
  m_ObjectHideFlags: 0
@@ -2997,7 +2940,7 @@ GameObject:
  - component: {fileID: 6406053850282885998}
  - component: {fileID: 4557790655482294870}
  m_Layer: 5
-  m_Name: Button
+  m_Name: Button - Overlay
  m_TagString: Untagged
  m_Icon: {fileID: 0}
  m_NavMeshLayer: 0
@@ -3049,8 +2992,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_Sprite: {fileID: 10905, guid: 0000000000000000f000000000000000, type: 0}
  m_Type: 1
  m_PreserveAspect: 0
@@ -3111,8 +3052,6 @@ MonoBehaviour:
          m_StringArgument: 
          m_BoolArgument: 1
        m_CallState: 2
-    m_TypeName: UnityEngine.UI.Button+ButtonClickedEvent, UnityEngine.UI, Version=1.0.0.0,
-      Culture=neutral, PublicKeyToken=null
 --- !u!114 &4557790655482294870
 MonoBehaviour:
  m_ObjectHideFlags: 0
@@ -3144,7 +3083,7 @@ GameObject:
  - component: {fileID: 711230566651291100}
  - component: {fileID: 1967301068910169843}
  m_Layer: 5
-  m_Name: Buttons
+  m_Name: Button - Render Mode
  m_TagString: Untagged
  m_Icon: {fileID: 0}
  m_NavMeshLayer: 0
@@ -3258,8 +3197,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_FontData:
    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
    m_FontSize: 14
@@ -3337,8 +3274,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_FontData:
    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
    m_FontSize: 14
@@ -3417,8 +3352,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_FontData:
    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
    m_FontSize: 14
@@ -3432,7 +3365,7 @@ MonoBehaviour:
    m_HorizontalOverflow: 0
    m_VerticalOverflow: 0
    m_LineSpacing: 1
-  m_Text: Particle Effect For UGUI v3.0.0 Demo
+  m_Text: Particle Effect For UGUI v4.0.0 Demo
 --- !u!114 &8838998222179528398
 MonoBehaviour:
  m_ObjectHideFlags: 0
@@ -3577,8 +3510,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_FontData:
    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
    m_FontSize: 14
@@ -3622,7 +3553,7 @@ GameObject:
  - component: {fileID: 6199819795074822241}
  - component: {fileID: 6942933885432526710}
  m_Layer: 5
-  m_Name: Button
+  m_Name: Button - 800
  m_TagString: Untagged
  m_Icon: {fileID: 0}
  m_NavMeshLayer: 0
@@ -3674,8 +3605,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
  m_Sprite: {fileID: 10905, guid: 0000000000000000f000000000000000, type: 0}
  m_Type: 1
  m_PreserveAspect: 0
@@ -3736,8 +3665,6 @@ MonoBehaviour:
          m_StringArgument: 
          m_BoolArgument: 0
        m_CallState: 2
-    m_TypeName: UnityEngine.UI.Button+ButtonClickedEvent, UnityEngine.UI, Version=1.0.0.0,
-      Culture=neutral, PublicKeyToken=null
 --- !u!114 &6942933885432526710
 MonoBehaviour:
  m_ObjectHideFlags: 0
@@ -3772,7 +3699,7 @@ GameObject:
  - component: {fileID: 7450843285597770156}
  - component: {fileID: 2242164212718897476}
  m_Layer: 5
-  m_Name: Button (1)
+  m_Name: Button - 1280
  m_TagString: Untagged
  m_Icon: {fileID: 0}
  m_NavMeshLayer: 0
@@ -3824,8 +3751,6 @@ MonoBehaviour:
  m_OnCullStateChanged:
    m_PersistentCalls:
      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
-      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
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--- a/Samples~/Demo/Materials/UIParticle_Demo_Flame_Atlas.tif
+++ b/Samples~/Demo/Materials/UIParticle_Demo_Flame_Atlas.tif
--- a/Samples~/Demo/Materials/UIParticle_Demo_Flame_Atlas.tif.meta
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--- a/Samples~/Demo/Prefabs/UIParticle_Demo_Animatable.prefab
+++ b/Samples~/Demo/Prefabs/UIParticle_Demo_Animatable.prefab
--- a/Samples~/Demo/Prefabs/UIParticle_Demo_Animatable.prefab.meta
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--- a/Samples~/Demo/Prefabs/UIParticle_Demo_EffectSample_Frame.prefab
+++ b/Samples~/Demo/Prefabs/UIParticle_Demo_EffectSample_Frame.prefab
--- a/Samples~/Demo/Prefabs/UIParticle_Demo_EffectSample_Frame.prefab.meta
+++ b/Samples~/Demo/Prefabs/UIParticle_Demo_EffectSample_Frame.prefab.meta
@@ -1,5 +1,5 @@
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  userData: 
--- a/Samples~/Demo/Prefabs/UIParticle_Demo_EffectSample_Unity-chan.prefab
+++ b/Samples~/Demo/Prefabs/UIParticle_Demo_EffectSample_Unity-chan.prefab
--- a/Samples~/Demo/Prefabs/UIParticle_Demo_EffectSample_Unity-chan.prefab.meta
+++ b/Samples~/Demo/Prefabs/UIParticle_Demo_EffectSample_Unity-chan.prefab.meta
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--- a/Samples~/Demo/Scripts.meta
+++ b/Samples~/Demo/Scripts.meta
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--- a/Samples~/Demo/Scripts/Coffee.UIParticle.Demo.asmdef
+++ b/Samples~/Demo/Scripts/Coffee.UIParticle.Demo.asmdef
@@ -6,5 +6,9 @@
    "optionalUnityReferences": [],
    "includePlatforms": [],
    "excludePlatforms": [],
-    "allowUnsafeCode": false
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": false,
+    "defineConstraints": []
 }
--- a/Samples~/Demo/Scripts/Coffee.UIParticle.Demo.asmdef.meta
+++ b/Samples~/Demo/Scripts/Coffee.UIParticle.Demo.asmdef.meta
--- a/Samples~/Demo/Scripts/CopyItemOnStart.cs
+++ b/Samples~/Demo/Scripts/CopyItemOnStart.cs
@@ -0,0 +1,31 @@
+using UnityEngine;
+using UnityEngine.Serialization;
+
+namespace Coffee.UIExtensions.Demo
+{
+    public class CopyItemOnStart : MonoBehaviour
+    {
+        [FormerlySerializedAs("origin")]
+        [SerializeField]
+        private GameObject m_Origin;
+
+        [FormerlySerializedAs("count")]
+        [SerializeField]
+        private int m_Count;
+
+        private void Start()
+        {
+            if (!m_Origin) return;
+            m_Origin.SetActive(false);
+
+            var parent = m_Origin.transform.parent;
+            for (var i = 0; i < m_Count; i++)
+            {
+                var go = Instantiate(m_Origin, parent, false);
+                go.name = $"{m_Origin.name} {i + 1}";
+                go.hideFlags = HideFlags.DontSave;
+                go.SetActive(true);
+            }
+        }
+    }
+}
--- a/Samples~/Demo/Scripts/CopyItemOnStart.cs.meta
+++ b/Samples~/Demo/Scripts/CopyItemOnStart.cs.meta
@@ -1,5 +1,5 @@
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+guid: 01a6a172129d6453eb661239d2b1e850
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  serializedVersion: 2
--- a/Samples~/Demo/Scripts/UIElementDragger.cs
+++ b/Samples~/Demo/Scripts/UIElementDragger.cs
@@ -0,0 +1,93 @@
+using System;
+using UnityEngine;
+using UnityEngine.EventSystems;
+using UnityEngine.Serialization;
+
+public class UIElementDragger : MonoBehaviour, IBeginDragHandler, IDragHandler, IEndDragHandler
+{
+    [SerializeField]
+    private Target m_Target;
+
+    [SerializeField]
+    private Transform m_CustomTarget;
+
+    [FormerlySerializedAs("ex2")]
+    [SerializeField]
+    private bool m_UseCanvasScale;
+
+    private Canvas _canvas;
+    private RectTransform _rectTransform;
+
+    private void OnEnable()
+    {
+        _rectTransform = GetComponent<RectTransform>();
+        _canvas = GetComponentInParent<Canvas>();
+    }
+
+    public void OnBeginDrag(PointerEventData eventData)
+    {
+    }
+
+    public void OnDrag(PointerEventData eventData)
+    {
+        var delta = (Vector3)GetLocalDelta(eventData.delta);
+
+        switch (m_Target)
+        {
+            case Target.Self:
+                _rectTransform.localPosition += delta;
+                break;
+            case Target.Parent:
+                _rectTransform.parent.localPosition += delta;
+                break;
+            case Target.Custom:
+                _rectTransform.localPosition += delta;
+                if (m_CustomTarget)
+                {
+                    if (m_UseCanvasScale)
+                    {
+                        delta.Scale(_canvas.rootCanvas.transform.localScale);
+                    }
+
+                    m_CustomTarget.localPosition += delta;
+                }
+
+                break;
+        }
+    }
+
+    public void OnEndDrag(PointerEventData eventData)
+    {
+    }
+
+    private Vector2 GetLocalDelta(Vector2 evDelta)
+    {
+        switch (_canvas.renderMode)
+        {
+            case RenderMode.ScreenSpaceOverlay:
+            {
+                var zero = transform.InverseTransformPoint(Vector2.zero);
+                var delta = transform.InverseTransformPoint(evDelta);
+                return delta - zero;
+            }
+            case RenderMode.ScreenSpaceCamera:
+            case RenderMode.WorldSpace:
+            {
+                RectTransformUtility.ScreenPointToLocalPointInRectangle(_rectTransform, Vector2.zero,
+                    _canvas.worldCamera, out var zero);
+                RectTransformUtility.ScreenPointToLocalPointInRectangle(_rectTransform, evDelta,
+                    _canvas.worldCamera, out var delta);
+                return delta - zero;
+            }
+            default:
+                throw new NotSupportedException();
+        }
+    }
+
+    private enum Target
+    {
+        Self,
+        Parent,
+        Custom
+    }
+}
--- a/Samples~/Demo/Scripts/UIElementDragger.cs.meta
+++ b/Samples~/Demo/Scripts/UIElementDragger.cs.meta
@@ -1,5 +1,5 @@
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+guid: d1979128e1e7d427cb18fde94c6ff4b5
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  serializedVersion: 2
--- a/Samples~/Demo/Scripts/UIParticle_Demo.cs
+++ b/Samples~/Demo/Scripts/UIParticle_Demo.cs
@@ -0,0 +1,180 @@
+using UnityEngine;
+using UnityEngine.Serialization;
+using UnityEngine.UI;
+
+namespace Coffee.UIExtensions.Demo
+{
+    public class UIParticle_Demo : MonoBehaviour
+    {
+        [FormerlySerializedAs("root")]
+        [SerializeField]
+        private Canvas m_RootCanvas;
+
+        private int _height;
+        private int _score;
+        private int _width;
+
+        private void Start()
+        {
+            _width = Screen.width;
+            _height = Screen.height;
+        }
+
+        public void ResizeScreen()
+        {
+            switch (Application.platform)
+            {
+                case RuntimePlatform.OSXPlayer:
+                case RuntimePlatform.WindowsPlayer:
+                case RuntimePlatform.LinuxPlayer:
+                    if (Screen.width == _width && Screen.height == _height)
+                    {
+                        Screen.SetResolution(_height, _width, Screen.fullScreen);
+                    }
+                    else if (Screen.width == _height && Screen.height == _width)
+                    {
+                        Screen.SetResolution(Mathf.Min(_width, _height), Mathf.Min(_width, _height), Screen.fullScreen);
+                    }
+                    else
+                    {
+                        Screen.SetResolution(_width, _height, Screen.fullScreen);
+                    }
+
+                    break;
+            }
+        }
+
+        public void FullScreen()
+        {
+            Screen.fullScreen = !Screen.fullScreen;
+        }
+
+        public void EnableAnimations(bool flag)
+        {
+            foreach (var animator in FindObjectsOfType<Animator>())
+            {
+                animator.enabled = flag;
+            }
+        }
+
+        public void UIParticle_MeshSharing(bool flag)
+        {
+            foreach (var uip in m_RootCanvas.GetComponentsInChildren<UIParticle>(true))
+            {
+                uip.meshSharing = flag
+                    ? UIParticle.MeshSharing.Auto
+                    : UIParticle.MeshSharing.None;
+            }
+        }
+
+        public void UIParticle_RandomGroup(bool flag)
+        {
+            foreach (var uip in m_RootCanvas.GetComponentsInChildren<UIParticle>(true))
+            {
+                uip.groupMaxId = flag
+                    ? 4
+                    : 0;
+            }
+        }
+
+        public void UIParticle_Scale(float scale)
+        {
+            foreach (var uip in FindObjectsOfType<UIParticle>())
+            {
+                uip.scale = scale;
+            }
+        }
+
+        public void ParticleSystem_WorldSpaseSimulation(bool flag)
+        {
+            foreach (var p in FindObjectsOfType<ParticleSystem>())
+            {
+                var main = p.main;
+                main.simulationSpace = flag
+                    ? ParticleSystemSimulationSpace.World
+                    : ParticleSystemSimulationSpace.Local;
+            }
+        }
+
+        public void ParticleSystem_WorldSpaseSimulation(ParticleSystem ps)
+        {
+            foreach (var p in ps.GetComponentsInChildren<ParticleSystem>())
+            {
+                var main = p.main;
+                main.simulationSpace = ParticleSystemSimulationSpace.World;
+                p.Clear();
+            }
+        }
+
+        public void ParticleSystem_LocalSpaseSimulation(ParticleSystem ps)
+        {
+            foreach (var p in ps.GetComponentsInChildren<ParticleSystem>())
+            {
+                var main = p.main;
+                main.simulationSpace = ParticleSystemSimulationSpace.Local;
+                p.Clear();
+            }
+        }
+
+        public void ParticleSystem_Emit(ParticleSystem ps)
+        {
+            ps.Emit(5);
+        }
+
+        public void ParticleSystem_SetScale(float scale)
+        {
+            foreach (var ps in FindObjectsOfType<ParticleSystem>())
+            {
+                ps.transform.localScale = new Vector3(scale, scale, scale);
+            }
+        }
+
+        public void UIParticleAttractor_Linear(UIParticleAttractor attractor)
+        {
+            attractor.movement = UIParticleAttractor.Movement.Linear;
+        }
+
+        public void UIParticleAttractor_Smooth(UIParticleAttractor attractor)
+        {
+            attractor.movement = UIParticleAttractor.Movement.Smooth;
+        }
+
+        public void UIParticleAttractor_Sphere(UIParticleAttractor attractor)
+        {
+            attractor.movement = UIParticleAttractor.Movement.Sphere;
+        }
+
+        public void UIParticleAttractor_OnAttract(Text scoreText)
+        {
+            _score++;
+            scoreText.text = _score.ToString();
+            scoreText.GetComponent<Animator>().Play(0);
+        }
+
+        public void Canvas_WorldSpace(bool flag)
+        {
+            if (!flag) return;
+
+            var canvas = FindObjectOfType<Canvas>();
+            canvas.renderMode = RenderMode.ScreenSpaceCamera;
+            canvas.renderMode = RenderMode.WorldSpace;
+            canvas.transform.rotation = Quaternion.Euler(new Vector3(0, 10, 0));
+        }
+
+        public void Canvas_CameraSpace(bool flag)
+        {
+            if (!flag) return;
+
+            var canvas = FindObjectOfType<Canvas>();
+            canvas.renderMode = RenderMode.ScreenSpaceCamera;
+        }
+
+        public void Canvas_Overlay(bool flag)
+        {
+            if (!flag) return;
+
+            var canvas = FindObjectOfType<Canvas>();
+            canvas.renderMode = RenderMode.ScreenSpaceOverlay;
+        }
+    }
+}
--- a/Samples~/Demo/Scripts/UIParticle_Demo.cs.meta
+++ b/Samples~/Demo/Scripts/UIParticle_Demo.cs.meta
--- a/Samples~/Demo/Scripts/UIParticle_Demo_UIParticleController.cs
+++ b/Samples~/Demo/Scripts/UIParticle_Demo_UIParticleController.cs
@@ -0,0 +1,40 @@
+using UnityEngine;
+using UnityEngine.Serialization;
+
+namespace Coffee.UIExtensions.Demo
+{
+    public class UIParticle_Demo_UIParticleController : MonoBehaviour
+    {
+        [FormerlySerializedAs("root")]
+        [SerializeField]
+        private Transform m_RootTransform;
+
+        public void UIParticle_MeshSharing(bool flag)
+        {
+            foreach (var uip in m_RootTransform.GetComponentsInChildren<UIParticle>(true))
+            {
+                uip.meshSharing = flag
+                    ? UIParticle.MeshSharing.Auto
+                    : UIParticle.MeshSharing.None;
+            }
+        }
+
+        public void UIParticle_RandomGroup(bool flag)
+        {
+            foreach (var uip in m_RootTransform.GetComponentsInChildren<UIParticle>(true))
+            {
+                uip.groupMaxId = flag
+                    ? 4
+                    : 0;
+            }
+        }
+
+        public void UIParticle_Scale(float scale)
+        {
+            foreach (var uip in m_RootTransform.GetComponentsInChildren<UIParticle>(true))
+            {
+                uip.scale = scale;
+            }
+        }
+    }
+}
--- a/Samples~/Demo/Scripts/UIParticle_Demo_UIParticleController.cs.meta
+++ b/Samples~/Demo/Scripts/UIParticle_Demo_UIParticleController.cs.meta
@@ -1,5 +1,5 @@
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--- a/Samples~/Demo/Sprites.meta
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--- a/Samples~/Demo/Sprites/UIParticle_Demo_Unity-chan.png
+++ b/Samples~/Demo/Sprites/UIParticle_Demo_Unity-chan.png
--- a/Samples~/Demo/Sprites/UIParticle_Demo_Unity-chan.png.meta
+++ b/Samples~/Demo/Sprites/UIParticle_Demo_Unity-chan.png.meta
--- a/Samples~/Demo/UIParticleSystem_Demo.cs
+++ b/Samples~/Demo/UIParticleSystem_Demo.cs
@@ -1,335 +0,0 @@
-/// Credit glennpow, Zarlang
-/// Sourced from - http://forum.unity3d.com/threads/free-script-particle-systems-in-ui-screen-space-overlay.406862/
-/// Updated by Zarlang with a more robust implementation, including TextureSheet annimation support
-using UnityEngine;
-using UnityEngine.UI;
-
-namespace Coffee.UIExtensions.Demos
-{
-#if UNITY_5_3_OR_NEWER
-    [ExecuteInEditMode]
-    [RequireComponent(typeof(CanvasRenderer), typeof(ParticleSystem))]
-    public class UIParticleSystem_Demo : MaskableGraphic
-    {
-        [Tooltip("Having this enabled run the system in LateUpdate rather than in Update making it faster but less precise (more clunky)")]
-        public bool fixedTime = true;
-
-        private Transform _transform;
-        private ParticleSystem pSystem;
-        private ParticleSystem.Particle[] particles;
-        private UIVertex[] _quad = new UIVertex[4];
-        private Vector4 imageUV = Vector4.zero;
-        private ParticleSystem.TextureSheetAnimationModule textureSheetAnimation;
-        private int textureSheetAnimationFrames;
-        private Vector2 textureSheetAnimationFrameSize;
-        private ParticleSystemRenderer pRenderer;
-
-        private Material currentMaterial;
-
-        private Texture currentTexture;
-
-#if UNITY_5_5_OR_NEWER
-        private ParticleSystem.MainModule mainModule;
-#endif
-
-        public override Texture mainTexture
-        {
-            get
-            {
-                return currentTexture;
-            }
-        }
-
-        protected bool Initialize()
-        {
-            // initialize members
-            if (_transform == null)
-            {
-                _transform = transform;
-            }
-            if (pSystem == null)
-            {
-                pSystem = GetComponent<ParticleSystem>();
-
-                if (pSystem == null)
-                {
-                    return false;
-                }
-
-#if UNITY_5_5_OR_NEWER
-                mainModule = pSystem.main;
-                if (pSystem.main.maxParticles > 14000)
-                {
-                    mainModule.maxParticles = 14000;
-                }
-#else
-                    if (pSystem.maxParticles > 14000)
-                        pSystem.maxParticles = 14000;
-#endif
-
-                pRenderer = pSystem.GetComponent<ParticleSystemRenderer>();
-                if (pRenderer != null)
-                    pRenderer.enabled = false;
-
-                //Shader foundShader = Shader.Find("UI Extensions/Particles/Additive");
-                //Material pMaterial = new Material(foundShader);
-
-                //if (material == null)
-                    //material = pMaterial;
-
-                currentMaterial = material;
-                if (currentMaterial && currentMaterial.HasProperty("_MainTex"))
-                {
-                    currentTexture = currentMaterial.mainTexture;
-                    if (currentTexture == null)
-                        currentTexture = Texture2D.whiteTexture;
-                }
-                material = currentMaterial;
-                // automatically set scaling
-#if UNITY_5_5_OR_NEWER
-                mainModule.scalingMode = ParticleSystemScalingMode.Hierarchy;
-#else
-                    pSystem.scalingMode = ParticleSystemScalingMode.Hierarchy;
-#endif
-
-                particles = null;
-            }
-#if UNITY_5_5_OR_NEWER
-            if (particles == null)
-                particles = new ParticleSystem.Particle[pSystem.main.maxParticles];
-#else
-                if (particles == null)
-                    particles = new ParticleSystem.Particle[pSystem.maxParticles];
-#endif
-
-            imageUV = new Vector4(0, 0, 1, 1);
-
-            // prepare texture sheet animation
-            textureSheetAnimation = pSystem.textureSheetAnimation;
-            textureSheetAnimationFrames = 0;
-            textureSheetAnimationFrameSize = Vector2.zero;
-            if (textureSheetAnimation.enabled)
-            {
-                textureSheetAnimationFrames = textureSheetAnimation.numTilesX * textureSheetAnimation.numTilesY;
-                textureSheetAnimationFrameSize = new Vector2(1f / textureSheetAnimation.numTilesX, 1f / textureSheetAnimation.numTilesY);
-            }
-
-            return true;
-        }
-
-        protected override void Awake()
-        {
-            base.Awake();
-            if (!Initialize())
-                enabled = false;
-        }
-
-
-        protected override void OnPopulateMesh(VertexHelper vh)
-        {
-#if UNITY_EDITOR
-            if (!Application.isPlaying)
-            {
-                if (!Initialize())
-                {
-                    return;
-                }
-            }
-#endif
-            // prepare vertices
-            vh.Clear();
-
-            if (!gameObject.activeInHierarchy)
-            {
-                return;
-            }
-
-            Vector2 temp = Vector2.zero;
-            Vector2 corner1 = Vector2.zero;
-            Vector2 corner2 = Vector2.zero;
-            // iterate through current particles
-            int count = pSystem.GetParticles(particles);
-
-            for (int i = 0; i < count; ++i)
-            {
-                ParticleSystem.Particle particle = particles[i];
-
-                // get particle properties
-#if UNITY_5_5_OR_NEWER
-                Vector2 position = (mainModule.simulationSpace == ParticleSystemSimulationSpace.Local ? particle.position : _transform.InverseTransformPoint(particle.position));
-#else
-                    Vector2 position = (pSystem.simulationSpace == ParticleSystemSimulationSpace.Local ? particle.position : _transform.InverseTransformPoint(particle.position));
-#endif
-                float rotation = -particle.rotation * Mathf.Deg2Rad;
-                float rotation90 = rotation + Mathf.PI / 2;
-                Color32 color = particle.GetCurrentColor(pSystem);
-                float size = particle.GetCurrentSize(pSystem) * 0.5f;
-
-                // apply scale
-#if UNITY_5_5_OR_NEWER
-                if (mainModule.scalingMode == ParticleSystemScalingMode.Shape)
-                    position /= canvas.scaleFactor;
-#else
-                    if (pSystem.scalingMode == ParticleSystemScalingMode.Shape)
-                        position /= canvas.scaleFactor;
-#endif
-
-                // apply texture sheet animation
-                Vector4 particleUV = imageUV;
-                if (textureSheetAnimation.enabled)
-                {
-#if UNITY_5_5_OR_NEWER
-                    float frameProgress = 1 - (particle.remainingLifetime / particle.startLifetime);
-
-                    if (textureSheetAnimation.frameOverTime.curveMin != null)
-                    {
-                        frameProgress = textureSheetAnimation.frameOverTime.curveMin.Evaluate(1 - (particle.remainingLifetime / particle.startLifetime));
-                    }
-                    else if (textureSheetAnimation.frameOverTime.curve != null)
-                    {
-                        frameProgress = textureSheetAnimation.frameOverTime.curve.Evaluate(1 - (particle.remainingLifetime / particle.startLifetime));
-                    }
-                    else if (textureSheetAnimation.frameOverTime.constant > 0)
-                    {
-                        frameProgress = textureSheetAnimation.frameOverTime.constant - (particle.remainingLifetime / particle.startLifetime);
-                    }
-#else
-                    float frameProgress = 1 - (particle.lifetime / particle.startLifetime);
-#endif
-
-                    frameProgress = Mathf.Repeat(frameProgress * textureSheetAnimation.cycleCount, 1);
-                    int frame = 0;
-
-                    switch (textureSheetAnimation.animation)
-                    {
-
-                        case ParticleSystemAnimationType.WholeSheet:
-                            frame = Mathf.FloorToInt(frameProgress * textureSheetAnimationFrames);
-                            break;
-
-                        case ParticleSystemAnimationType.SingleRow:
-                            frame = Mathf.FloorToInt(frameProgress * textureSheetAnimation.numTilesX);
-
-                            int row = textureSheetAnimation.rowIndex;
-                            //                    if (textureSheetAnimation.useRandomRow) { // FIXME - is this handled internally by rowIndex?
-                            //                        row = Random.Range(0, textureSheetAnimation.numTilesY, using: particle.randomSeed);
-                            //                    }
-                            frame += row * textureSheetAnimation.numTilesX;
-                            break;
-
-                    }
-
-                    frame %= textureSheetAnimationFrames;
-
-                    particleUV.x = (frame % textureSheetAnimation.numTilesX) * textureSheetAnimationFrameSize.x;
-                    particleUV.y = Mathf.FloorToInt(frame / textureSheetAnimation.numTilesX) * textureSheetAnimationFrameSize.y;
-                    particleUV.z = particleUV.x + textureSheetAnimationFrameSize.x;
-                    particleUV.w = particleUV.y + textureSheetAnimationFrameSize.y;
-                }
-
-                temp.x = particleUV.x;
-                temp.y = particleUV.y;
-
-                _quad[0] = UIVertex.simpleVert;
-                _quad[0].color = color;
-                _quad[0].uv0 = temp;
-
-                temp.x = particleUV.x;
-                temp.y = particleUV.w;
-                _quad[1] = UIVertex.simpleVert;
-                _quad[1].color = color;
-                _quad[1].uv0 = temp;
-
-                temp.x = particleUV.z;
-                temp.y = particleUV.w;
-                _quad[2] = UIVertex.simpleVert;
-                _quad[2].color = color;
-                _quad[2].uv0 = temp;
-
-                temp.x = particleUV.z;
-                temp.y = particleUV.y;
-                _quad[3] = UIVertex.simpleVert;
-                _quad[3].color = color;
-                _quad[3].uv0 = temp;
-
-                if (rotation == 0)
-                {
-                    // no rotation
-                    corner1.x = position.x - size;
-                    corner1.y = position.y - size;
-                    corner2.x = position.x + size;
-                    corner2.y = position.y + size;
-
-                    temp.x = corner1.x;
-                    temp.y = corner1.y;
-                    _quad[0].position = temp;
-                    temp.x = corner1.x;
-                    temp.y = corner2.y;
-                    _quad[1].position = temp;
-                    temp.x = corner2.x;
-                    temp.y = corner2.y;
-                    _quad[2].position = temp;
-                    temp.x = corner2.x;
-                    temp.y = corner1.y;
-                    _quad[3].position = temp;
-                }
-                else
-                {
-                    // apply rotation
-                    Vector2 right = new Vector2(Mathf.Cos(rotation), Mathf.Sin(rotation)) * size;
-                    Vector2 up = new Vector2(Mathf.Cos(rotation90), Mathf.Sin(rotation90)) * size;
-
-                    _quad[0].position = position - right - up;
-                    _quad[1].position = position - right + up;
-                    _quad[2].position = position + right + up;
-                    _quad[3].position = position + right - up;
-                }
-
-                vh.AddUIVertexQuad(_quad);
-            }
-        }
-
-        void Update()
-        {
-            if (!fixedTime && Application.isPlaying)
-            {
-                pSystem.Simulate(Time.unscaledDeltaTime, false, false, true);
-                SetAllDirty();
-
-                if ((currentMaterial != null && currentTexture != currentMaterial.mainTexture) ||
-                    (material != null && currentMaterial != null && material.shader != currentMaterial.shader))
-                {
-                    pSystem = null;
-                    Initialize();
-                }
-            }
-        }
-
-        void LateUpdate()
-        {
-            if (!Application.isPlaying)
-            {
-                SetAllDirty();
-            }
-            else
-            {
-                if (fixedTime)
-                {
-                    pSystem.Simulate(Time.unscaledDeltaTime, false, false, true);
-                    SetAllDirty();
-                    if ((currentMaterial != null && currentTexture != currentMaterial.mainTexture) ||
-                        (material != null && currentMaterial != null && material.shader != currentMaterial.shader))
-                    {
-                        pSystem = null;
-                        Initialize();
-                    }
-                }
-            }
-            if (material == currentMaterial)
-                return;
-            pSystem = null;
-            Initialize();
-        }
-    }
-#endif
-}
--- a/Samples~/Demo/UIParticle_Demo.cs
+++ b/Samples~/Demo/UIParticle_Demo.cs
@@ -1,111 +0,0 @@
-using UnityEngine;
-using UnityEngine.SceneManagement;
-using UnityEngine.UI;
-using System.Collections.Generic;
-
-namespace Coffee.UIExtensions.Demo
-{
-	public class UIParticle_Demo : MonoBehaviour
-	{
-		[SerializeField] ParticleSystem [] m_ParticleSystems = new ParticleSystem [0];
-		[SerializeField] List<Transform> m_ScalingByTransforms = new List<Transform> ();
-		[SerializeField] List<UIParticle> m_ScalingByUIParticles = new List<UIParticle> ();
-
-		public void SetTimeScale (float scale)
-		{
-			Time.timeScale = scale;
-		}
-
-		public void EnableTrailRibbon (bool ribbonMode)
-		{
-			foreach (var p in m_ParticleSystems)
-			{
-				var trails = p.trails;
-				trails.mode = ribbonMode ? ParticleSystemTrailMode.Ribbon : ParticleSystemTrailMode.PerParticle;
-			}
-		}
-
-		public void EnableSprite (bool enabled)
-		{
-			foreach (var p in m_ParticleSystems)
-			{
-				var tex = p.textureSheetAnimation;
-				tex.enabled = enabled;
-			}
-		}
-
-		public void EnableMask (bool enabled)
-		{
-			foreach (var m in FindObjectsOfType<Mask> ())
-			{
-				m.enabled = enabled;
-			}
-		}
-
-		public void EnableMask2D (bool enabled)
-		{
-			foreach (var m in FindObjectsOfType<RectMask2D> ())
-			{
-				m.enabled = enabled;
-			}
-		}
-
-		public void SetScale (float scale)
-		{
-			m_ScalingByTransforms.ForEach (x => x.localScale = Vector3.one * (10 * scale));
-			m_ScalingByUIParticles.ForEach (x => x.scale = scale);
-		}
-
-		public void SetUIParticleScale (float scale)
-		{
-			foreach (var uip in FindObjectsOfType<UIParticle> ())
-			{
-				uip.scale = scale;
-			}
-		}
-
-		public void LoadScene (string name)
-		{
-			SceneManager.LoadScene (name);
-		}
-
-		public void PlayAllParticleEffect ()
-		{
-			foreach (var animator in FindObjectsOfType<Animator> ())
-			{
-				animator.Play ("Play");
-			}
-
-			foreach (var particle in FindObjectsOfType<ParticleSystem> ())
-			{
-				particle.Play ();
-			}
-		}
-
-		public void SetWorldSpase (bool flag)
-		{
-			if (flag)
-			{
-				GetComponent<Canvas> ().renderMode = RenderMode.ScreenSpaceCamera;
-				GetComponent<Canvas> ().renderMode = RenderMode.WorldSpace;
-				transform.rotation = Quaternion.Euler (new Vector3 (0, 6, 0));
-			}
-		}
-
-		public void SetScreenSpase (bool flag)
-		{
-			if (flag)
-			{
-				GetComponent<Canvas> ().renderMode = RenderMode.ScreenSpaceCamera;
-			}
-		}
-
-		public void SetOverlay (bool flag)
-		{
-			if (flag)
-			{
-				GetComponent<Canvas> ().renderMode = RenderMode.ScreenSpaceOverlay;
-			}
-		}
-	}
-}
--- a/Samples~/Demo/UIParticle_Demo.renderTexture
+++ b/Samples~/Demo/UIParticle_Demo.renderTexture
@@ -1,33 +0,0 @@
-%YAML 1.1
-%TAG !u! tag:unity3d.com,2011:
--- !u!84 &8400000
-RenderTexture:
-  m_ObjectHideFlags: 0
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--- a/Samples~/Demo/UIParticle_Demo.unity
+++ b/Samples~/Demo/UIParticle_Demo.unity
--- a/Samples~/Performance
+++ b/Samples~/Performance
@@ -0,0 +1,8 @@
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--- a/Demo/Materials/UIParticle_PerformanceDemo_Spread.mat
+++ b/Demo/Materials/UIParticle_PerformanceDemo_Spread.mat
@@ -5,8 +5,9 @@ Material:
  serializedVersion: 6
  m_ObjectHideFlags: 0
  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInternal: {fileID: 0}
-  m_Name: UIParticle_Demo_Spread
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: UIParticle_PerformanceDemo_Spread
  m_Shader: {fileID: 4800000, guid: ecfa8f5732b504ef98fba10aa18d0326, type: 3}
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@@ -63,6 +64,7 @@ Material:
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+    - _Glow: 1
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@@ -77,6 +79,7 @@ Material:
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+    - _UseUIAlphaClip: 0
    - _ZWrite: 1
    m_Colors:
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--- a/Demo/Materials/UIParticle_PerformanceDemo_Spread.mat.meta
+++ b/Demo/Materials/UIParticle_PerformanceDemo_Spread.mat.meta
@@ -0,0 +1,8 @@
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+++ b/Demo/NanoMonitor/Fonts/ShareTechMono.ttf
--- a/Demo/NanoMonitor/Fonts/ShareTechMono.ttf.meta
+++ b/Demo/NanoMonitor/Fonts/ShareTechMono.ttf.meta
@@ -0,0 +1,22 @@
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+++ b/Demo/NanoMonitor/Prefab/NanoMonitor.prefab
--- a/Demo/NanoMonitor/Prefab/NanoMonitor.prefab.meta
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@@ -0,0 +1,7 @@
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--- a/Demo/NanoMonitor/Scripts.meta
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--- a/Demo/NanoMonitor/Scripts/Coffee.NanoMonitor.asmdef
+++ b/Demo/NanoMonitor/Scripts/Coffee.NanoMonitor.asmdef
@@ -0,0 +1,12 @@
+{
+    "name": "Coffee.NanoMonitor",
+    "references": [],
+    "optionalUnityReferences": [],
+    "includePlatforms": [],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": false,
+    "defineConstraints": []
+}
--- a/Demo/NanoMonitor/Scripts/Coffee.NanoMonitor.asmdef.meta
+++ b/Demo/NanoMonitor/Scripts/Coffee.NanoMonitor.asmdef.meta
@@ -0,0 +1,7 @@
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--- a/Demo/NanoMonitor/Scripts/NanoMonitor.cs
+++ b/Demo/NanoMonitor/Scripts/NanoMonitor.cs
@@ -0,0 +1,296 @@
+using System;
+using UnityEngine;
+using UnityEngine.Profiling;
+using UnityEngine.Serialization;
+using UnityEngine.UI;
+#if UNITY_EDITOR
+using UnityEditor;
+using UnityEditorInternal;
+#endif
+
+namespace Coffee.NanoMonitor
+{
+#if UNITY_EDITOR
+    [CustomEditor(typeof(NanoMonitor))]
+    internal class NanoMonitorEditor : Editor
+    {
+        private ReorderableList _monitorItemList;
+
+        private void OnEnable()
+        {
+            var items = serializedObject.FindProperty("m_CustomMonitorItems");
+            _monitorItemList = new ReorderableList(serializedObject, items)
+            {
+                draggable = false,
+                drawHeaderCallback = r =>
+                {
+                    EditorGUI.LabelField(r, new GUIContent("Custom Monitor Items"));
+                },
+                drawElementCallback = (r, i, _, __) =>
+                {
+                    EditorGUI.LabelField(new Rect(r.x, r.y, r.width, r.height - 2), GUIContent.none,
+                        EditorStyles.textArea);
+                    var labelWidth = EditorGUIUtility.labelWidth;
+                    EditorGUIUtility.labelWidth = 80;
+                    EditorGUI.PropertyField(new Rect(r.x + 2, r.y + 3, r.width - 4, r.height - 4),
+                        items.GetArrayElementAtIndex(i), true);
+                    EditorGUIUtility.labelWidth = labelWidth;
+                },
+                elementHeightCallback = i => EditorGUI.GetPropertyHeight(items.GetArrayElementAtIndex(i)) + 6
+            };
+        }
+
+        public override void OnInspectorGUI()
+        {
+            base.OnInspectorGUI();
+
+            _monitorItemList.DoLayoutList();
+            serializedObject.ApplyModifiedProperties();
+        }
+    }
+#endif
+
+
+    [DisallowMultipleComponent]
+    public sealed class NanoMonitor : MonoBehaviour
+    {
+        //################################
+        // Serialize Members.
+        //################################
+        // Settings
+        [Header("Settings")]
+        [SerializeField]
+        [Range(0.01f, 2f)]
+        private float m_Interval = 1f;
+
+        [SerializeField]
+        [Range(0, 3)]
+        private int m_Precision = 2;
+
+        [SerializeField]
+        private Font m_Font;
+
+        // Foldout
+        [Header("Foldout")]
+        [SerializeField]
+        private bool m_Opened;
+
+        [FormerlySerializedAs("m_Collapse")]
+        [SerializeField]
+        private GameObject m_FoldoutObject;
+
+        [SerializeField]
+        private Button m_OpenButton;
+
+        [SerializeField]
+        private Button m_CloseButton;
+
+        // View
+        [Header("View")]
+        [SerializeField]
+        private MonitorUI m_Fps;
+
+        [SerializeField]
+        private MonitorUI m_Gc;
+
+        [SerializeField]
+        private MonitorUI m_MonoUsage;
+
+        [SerializeField]
+        private MonitorUI m_UnityUsage;
+
+        [HideInInspector]
+        [SerializeField]
+        private CustomMonitorItem[] m_CustomMonitorItems = new CustomMonitorItem[0];
+
+
+        //################################
+        // Private Members.
+        //################################
+        private double _elapsed;
+        private double _fpsElapsed;
+        private int _frames;
+
+        private void Update()
+        {
+            _frames++;
+            _elapsed += Time.unscaledDeltaTime;
+            _fpsElapsed += Time.unscaledDeltaTime;
+            if (_elapsed < m_Interval) return;
+
+            if (m_Fps)
+            {
+                m_Fps.SetText("FPS: {0}", (int)(_frames / _fpsElapsed));
+            }
+
+            if (m_Gc)
+            {
+                m_Gc.SetText("GC: {0}", GC.CollectionCount(0));
+            }
+
+            if (m_MonoUsage)
+            {
+                var monoUsed = (Profiler.GetMonoUsedSizeLong() >> 10) / 1024f;
+                var monoTotal = (Profiler.GetMonoHeapSizeLong() >> 10) / 1024f;
+                if (m_Precision == 3)
+                {
+                    m_MonoUsage.SetText("Mono: {0:N3}/{1:N3}MB", monoUsed, monoTotal);
+                }
+                else if (m_Precision == 2)
+                {
+                    m_MonoUsage.SetText("Mono: {0:N2}/{1:N2}MB", monoUsed, monoTotal);
+                }
+                else if (m_Precision == 1)
+                {
+                    m_MonoUsage.SetText("Mono: {0:N1}/{1:N1}MB", monoUsed, monoTotal);
+                }
+                else
+                {
+                    m_MonoUsage.SetText("Mono: {0:N0}/{1:N0}MB", monoUsed, monoTotal);
+                }
+            }
+
+            if (m_UnityUsage)
+            {
+                var unityUsed = (Profiler.GetTotalAllocatedMemoryLong() >> 10) / 1024f;
+                var unityTotal = (Profiler.GetTotalReservedMemoryLong() >> 10) / 1024f;
+                if (m_Precision == 3)
+                {
+                    m_UnityUsage.SetText("Unity: {0:N3}/{1:N3}MB", unityUsed, unityTotal);
+                }
+                else if (m_Precision == 2)
+                {
+                    m_UnityUsage.SetText("Unity: {0:N2}/{1:N2}MB", unityUsed, unityTotal);
+                }
+                else if (m_Precision == 1)
+                {
+                    m_UnityUsage.SetText("Unity: {0:N1}/{1:N1}MB", unityUsed, unityTotal);
+                }
+                else
+                {
+                    m_UnityUsage.SetText("Unity: {0:N0}/{1:N0}MB", unityUsed, unityTotal);
+                }
+            }
+
+            foreach (var item in m_CustomMonitorItems)
+            {
+                item.UpdateText();
+            }
+
+            _frames = 0;
+            _elapsed %= m_Interval;
+            _fpsElapsed = 0;
+        }
+
+
+        //################################
+        // Unity Callbacks.
+        //################################
+        private void OnEnable()
+        {
+            if (m_OpenButton)
+            {
+                m_OpenButton.onClick.AddListener(Open);
+            }
+
+            if (m_CloseButton)
+            {
+                m_CloseButton.onClick.AddListener(Close);
+            }
+
+            if (m_Opened)
+            {
+                Open();
+            }
+            else
+            {
+                Close();
+            }
+        }
+
+        private void OnDisable()
+        {
+            if (m_OpenButton)
+            {
+                m_OpenButton.onClick.RemoveListener(Open);
+            }
+
+            if (m_CloseButton)
+            {
+                m_CloseButton.onClick.RemoveListener(Close);
+            }
+        }
+
+#if UNITY_EDITOR
+        private void OnValidate()
+        {
+            if (m_Font)
+            {
+                foreach (var ui in GetComponentsInChildren<MonitorUI>(true))
+                {
+                    ui.font = m_Font;
+                }
+            }
+
+            if (m_Opened)
+            {
+                Open();
+            }
+            else
+            {
+                Close();
+            }
+        }
+#endif
+
+
+        //################################
+        // Public Members.
+        //################################
+        public void Clean()
+        {
+            Resources.UnloadUnusedAssets();
+            GC.Collect();
+        }
+
+        private void Open()
+        {
+            _frames = 0;
+            _elapsed = m_Interval;
+            _fpsElapsed = 0;
+
+            if (m_FoldoutObject)
+            {
+                m_FoldoutObject.SetActive(true);
+            }
+
+            if (m_CloseButton)
+            {
+                m_CloseButton.gameObject.SetActive(true);
+            }
+
+            if (m_OpenButton)
+            {
+                m_OpenButton.gameObject.SetActive(false);
+            }
+        }
+
+        private void Close()
+        {
+            if (m_FoldoutObject)
+            {
+                m_FoldoutObject.SetActive(false);
+            }
+
+            if (m_CloseButton)
+            {
+                m_CloseButton.gameObject.SetActive(false);
+            }
+
+            if (m_OpenButton)
+            {
+                m_OpenButton.gameObject.SetActive(true);
+            }
+        }
+    }
+}
--- a/Demo/NanoMonitor/Scripts/NanoMonitor.cs.meta
+++ b/Demo/NanoMonitor/Scripts/NanoMonitor.cs.meta
@@ -1,5 +1,5 @@
 fileFormatVersion: 2
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--- a/Demo/NanoMonitor/Scripts/ProfilerUI.meta
+++ b/Demo/NanoMonitor/Scripts/ProfilerUI.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: affee221821a14cfb842a0b0e8514a4e
+folderAsset: yes
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+  userData: 
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--- a/Demo/NanoMonitor/Scripts/ProfilerUI/FixedFont.cs
+++ b/Demo/NanoMonitor/Scripts/ProfilerUI/FixedFont.cs
@@ -0,0 +1,160 @@
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Coffee.NanoMonitor
+{
+    public class FixedFont
+    {
+        private const string k_Characters =
+            "_!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~";
+
+        private static readonly Dictionary<Font, FixedFont> s_Fonts = new Dictionary<Font, FixedFont>();
+        private static readonly TextGenerator s_TextGenerator = new TextGenerator(100);
+
+        private static TextGenerationSettings s_Settings = new TextGenerationSettings
+        {
+            scaleFactor = 1,
+            horizontalOverflow = HorizontalWrapMode.Overflow,
+            verticalOverflow = VerticalWrapMode.Overflow,
+            alignByGeometry = true,
+            textAnchor = TextAnchor.MiddleCenter,
+            color = Color.white
+        };
+
+        private readonly Font _font;
+        private readonly UIVertex[] _tmpVerts = new UIVertex[4];
+        private UICharInfo[] _charInfos;
+
+        private int _resolution;
+        private UIVertex[] _verts;
+
+        private FixedFont(Font font)
+        {
+            _font = font;
+        }
+
+        public int fontSize
+        {
+            get
+            {
+                return _font.dynamic ? 32 : _font.fontSize;
+            }
+        }
+
+        public static FixedFont GetOrCreate(Font font)
+        {
+            if (font == null) return null;
+            if (s_Fonts.TryGetValue(font, out var data)) return data;
+
+            data = new FixedFont(font);
+            s_Fonts.Add(font, data);
+            return data;
+        }
+
+        public void Invalidate()
+        {
+            _resolution = 0;
+        }
+
+        public void UpdateFont()
+        {
+            if (!_font) return;
+
+            var mat = _font.material;
+            if (!mat) return;
+
+            var tex = mat.mainTexture;
+            if (!tex) return;
+
+            var currentResolution = tex.width * tex.height;
+
+            if (_resolution == currentResolution) return;
+            _resolution = currentResolution;
+
+            s_Settings.font = _font;
+            s_TextGenerator.Invalidate();
+            s_TextGenerator.Populate(k_Characters, s_Settings);
+
+            _verts = s_TextGenerator.GetVerticesArray();
+            _charInfos = s_TextGenerator.GetCharactersArray();
+
+            float offsetX = 0;
+            for (var i = 0; i < _verts.Length; i++)
+            {
+                if ((i & 3) == 0)
+                {
+                    offsetX = _verts[i].position.x;
+                }
+
+                var v = _verts[i];
+                v.position -= new Vector3(offsetX, 0);
+                _verts[i] = v;
+            }
+        }
+
+        public float Layout(char c, float offset, float scale)
+        {
+            if (_charInfos == null) return offset;
+            if (c < 0x20 || 0x7e < c) return offset;
+            var ci = c - 0x20;
+
+            return offset + _charInfos[ci].charWidth * scale;
+        }
+
+        public float Append(VertexHelper toFill, char c, float offset, float scale, Color color)
+        {
+            if (_verts == null || _charInfos == null) return offset;
+            if (c < 0x20 || 0x7e < c) return offset;
+            var ci = c - 0x20;
+
+            for (var i = 0; i < 4; i++)
+            {
+                _tmpVerts[i] = _verts[ci * 4 + i];
+                _tmpVerts[i].position = _tmpVerts[i].position * scale + new Vector3(offset, 0);
+                _tmpVerts[i].color = ci == 0 ? Color.clear : color;
+            }
+
+            toFill.AddUIVertexQuad(_tmpVerts);
+            return offset + _charInfos[ci].charWidth * scale;
+        }
+
+        public void Fill(VertexHelper toFill, Color color, RectTransform tr)
+        {
+            if (_verts == null || _charInfos == null) return;
+            const int ci = '*' - 0x20;
+            var uv = (_verts[ci * 4].uv0 + _verts[ci * 4 + 2].uv0) / 2;
+
+            var rect = tr.rect;
+            var size = rect.size / 2;
+            var offset = (new Vector2(0.5f, 0.5f) - tr.pivot) * rect.size;
+
+            for (var i = 0; i < 4; i++)
+            {
+                _tmpVerts[i] = new UIVertex
+                {
+                    uv0 = uv,
+                    color = color
+                };
+
+                switch (i)
+                {
+                    case 0:
+                        _tmpVerts[i].position = new Vector2(-size.x, -size.y) + offset;
+                        break;
+                    case 1:
+                        _tmpVerts[i].position = new Vector2(-size.x, size.y) + offset;
+                        break;
+                    case 2:
+                        _tmpVerts[i].position = new Vector2(size.x, size.y) + offset;
+                        break;
+                    case 3:
+                        _tmpVerts[i].position = new Vector2(size.x, -size.y) + offset;
+                        break;
+                }
+            }
+
+            toFill.AddUIVertexQuad(_tmpVerts);
+        }
+    }
+}
--- a/Demo/NanoMonitor/Scripts/ProfilerUI/FixedFont.cs.meta
+++ b/Demo/NanoMonitor/Scripts/ProfilerUI/FixedFont.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: 9a8c5c555d4bf4361ab3435c318c0699
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences:
+  - m_Material: {fileID: 2100000, guid: 4da4639f724144ddead57bffca64e71f, type: 3}
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Demo/NanoMonitor/Scripts/ProfilerUI/MonitorUI.cs
+++ b/Demo/NanoMonitor/Scripts/ProfilerUI/MonitorUI.cs
@@ -0,0 +1,239 @@
+using System.Text;
+using UnityEditor;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Coffee.NanoMonitor
+{
+#if UNITY_EDITOR
+    [CustomEditor(typeof(MonitorUI))]
+    public class MonitorTextEditor : Editor
+    {
+        private SerializedProperty _color;
+        private SerializedProperty _font;
+        private SerializedProperty _fontSize;
+        private SerializedProperty _mode;
+        private SerializedProperty _text;
+        private SerializedProperty _textAnchor;
+
+        private void OnEnable()
+        {
+            _mode = serializedObject.FindProperty("m_Mode");
+            _text = serializedObject.FindProperty("m_Text");
+            _color = serializedObject.FindProperty("m_Color");
+            var fontData = serializedObject.FindProperty("m_FontData");
+            _fontSize = fontData.FindPropertyRelative("m_FontSize");
+            _font = fontData.FindPropertyRelative("m_Font");
+            _textAnchor = serializedObject.FindProperty("m_TextAnchor");
+        }
+
+        public override void OnInspectorGUI()
+        {
+            serializedObject.Update();
+
+            EditorGUILayout.PropertyField(_mode);
+            if ((MonitorUI.Mode)_mode.intValue == MonitorUI.Mode.Text)
+            {
+                EditorGUILayout.PropertyField(_text);
+                EditorGUILayout.PropertyField(_fontSize);
+                EditorGUILayout.PropertyField(_textAnchor);
+                EditorGUILayout.PropertyField(_font);
+            }
+
+            EditorGUILayout.PropertyField(_color);
+
+            serializedObject.ApplyModifiedProperties();
+        }
+    }
+#endif
+
+    public class MonitorUI : Text
+    {
+        public enum Mode
+        {
+            Text,
+            Fill
+        }
+
+        public enum TextAnchor
+        {
+            Left,
+            Center,
+            Right
+        }
+
+
+        //################################
+        // Serialize Members.
+        //################################
+        [SerializeField] private Mode m_Mode = Mode.Text;
+        [SerializeField] private TextAnchor m_TextAnchor;
+
+
+        //################################
+        // Private Members.
+        //################################
+        private readonly StringBuilder _sb = new StringBuilder(64);
+
+
+        //################################
+        // Public Members.
+        //################################
+        public override string text
+        {
+            get
+            {
+                return _sb.ToString();
+            }
+            set
+            {
+                m_Text = value;
+                if (_sb.IsEqual(m_Text)) return;
+
+                _sb.Length = 0;
+                _sb.Append(m_Text);
+                SetVerticesDirty();
+            }
+        }
+
+        public TextAnchor textAnchor
+        {
+            get
+            {
+                return m_TextAnchor;
+            }
+            set
+            {
+                if (m_TextAnchor == value) return;
+
+                m_TextAnchor = value;
+                SetVerticesDirty();
+            }
+        }
+
+        public override bool raycastTarget
+        {
+            get
+            {
+                return m_Mode == Mode.Fill;
+            }
+            set { }
+        }
+
+
+        //################################
+        // Unity Callbacks.
+        //################################
+        protected override void OnEnable()
+        {
+            RegisterDirtyMaterialCallback(UpdateFont);
+
+            base.OnEnable();
+            raycastTarget = false;
+            maskable = false;
+            _sb.Length = 0;
+            _sb.Append(m_Text);
+        }
+
+        protected override void OnDisable()
+        {
+            UnregisterDirtyMaterialCallback(UpdateFont);
+
+            base.OnDisable();
+        }
+
+#if UNITY_EDITOR
+        protected override void OnValidate()
+        {
+            base.OnValidate();
+
+            if (!_sb.IsEqual(m_Text))
+            {
+                _sb.Length = 0;
+                _sb.Append(m_Text);
+            }
+        }
+#endif
+
+        public void SetText(string format, double arg0 = 0, double arg1 = 0, double arg2 = 0, double arg3 = 0)
+        {
+            _sb.Length = 0;
+            _sb.AppendFormatNoAlloc(format, arg0, arg1, arg2, arg3);
+            SetVerticesDirty();
+        }
+
+        public void SetText(StringBuilder builder)
+        {
+            _sb.Length = 0;
+            _sb.Append(builder);
+            SetVerticesDirty();
+        }
+
+        private void UpdateFont()
+        {
+            var fontData = FixedFont.GetOrCreate(font);
+            if (fontData != null)
+            {
+                fontData.Invalidate();
+                fontData.UpdateFont();
+            }
+        }
+
+        protected override void OnPopulateMesh(VertexHelper toFill)
+        {
+            toFill.Clear();
+
+            var fontData = FixedFont.GetOrCreate(font);
+            if (fontData == null) return;
+
+            fontData.UpdateFont();
+
+            if (m_Mode == Mode.Fill)
+            {
+                fontData.Fill(toFill, color, rectTransform);
+                return;
+            }
+
+            var scale = (float)fontSize / fontData.fontSize;
+            float offset = 0;
+            switch (textAnchor)
+            {
+                case TextAnchor.Left:
+                    offset = rectTransform.rect.xMin;
+                    break;
+                case TextAnchor.Center:
+                    for (var i = 0; i < _sb.Length; i++)
+                    {
+                        offset = fontData.Layout(_sb[i], offset, scale);
+                    }
+
+                    offset = -offset / 2;
+                    break;
+                case TextAnchor.Right:
+                    for (var i = 0; i < _sb.Length; i++)
+                    {
+                        offset = fontData.Layout(_sb[i], offset, scale);
+                    }
+
+                    offset = rectTransform.rect.xMax - offset;
+                    break;
+            }
+
+            for (var i = 0; i < _sb.Length; i++)
+            {
+                offset = fontData.Append(toFill, _sb[i], offset, scale, color);
+            }
+        }
+
+        protected override void UpdateMaterial()
+        {
+            base.UpdateMaterial();
+
+            var fontData = FixedFont.GetOrCreate(font);
+            if (fontData != null)
+            {
+                fontData.UpdateFont();
+            }
+        }
+    }
+}
--- a/Demo/NanoMonitor/Scripts/ProfilerUI/MonitorUI.cs.meta
+++ b/Demo/NanoMonitor/Scripts/ProfilerUI/MonitorUI.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: b0e08c6080a2e4d8186f97c60518830f
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences:
+  - m_Material: {fileID: 2100000, guid: 4da4639f724144ddead57bffca64e71f, type: 3}
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Demo/NanoMonitor/Scripts/Utilities.meta
+++ b/Demo/NanoMonitor/Scripts/Utilities.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 1051ed7e3f1474ed59ca41b33b00029b
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Demo/NanoMonitor/Scripts/Utilities/CustomProfilerItem.cs
+++ b/Demo/NanoMonitor/Scripts/Utilities/CustomProfilerItem.cs
@@ -0,0 +1,55 @@
+using System;
+using UnityEngine;
+#if UNITY_EDITOR
+using UnityEditor;
+#endif
+
+namespace Coffee.NanoMonitor
+{
+#if UNITY_EDITOR
+    [CustomPropertyDrawer(typeof(CustomMonitorItem))]
+    internal sealed class CustomMonitorItemDrawer : PropertyDrawer
+    {
+        public override void OnGUI(Rect p, SerializedProperty property, GUIContent label)
+        {
+            var pos = new Rect(p.x, p.y + 18 * 0, p.width, 16);
+            EditorGUI.PropertyField(pos, property.FindPropertyRelative("m_Text"));
+            pos.y += 18;
+            EditorGUI.PropertyField(pos, property.FindPropertyRelative("m_Format"));
+            pos.y += 18;
+            EditorGUI.indentLevel++;
+            EditorGUI.PropertyField(pos, property.FindPropertyRelative("m_Arg0"));
+            pos.y += 18;
+            EditorGUI.PropertyField(pos, property.FindPropertyRelative("m_Arg1"));
+            pos.y += 18;
+            EditorGUI.PropertyField(pos, property.FindPropertyRelative("m_Arg2"));
+            EditorGUI.indentLevel--;
+
+            property.serializedObject.ApplyModifiedProperties();
+        }
+
+        public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
+        {
+            return (EditorGUIUtility.singleLineHeight + 2) * 5;
+        }
+    }
+#endif
+
+    [Serializable]
+    public class CustomMonitorItem
+    {
+        [SerializeField] private MonitorUI m_Text;
+        [SerializeField] private string m_Format = "";
+        [SerializeField] private NumericProperty m_Arg0;
+        [SerializeField] private NumericProperty m_Arg1;
+        [SerializeField] private NumericProperty m_Arg2;
+
+        public void UpdateText()
+        {
+            if (m_Text)
+            {
+                m_Text.SetText(m_Format, m_Arg0.Get(), m_Arg1.Get(), m_Arg2.Get());
+            }
+        }
+    }
+}
--- a/Demo/NanoMonitor/Scripts/Utilities/CustomProfilerItem.cs.meta
+++ b/Demo/NanoMonitor/Scripts/Utilities/CustomProfilerItem.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 5c50c6434f4ad4488bfc5b0928dbb4c4
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Show More
+++ b/Show More