chore(release): 3.3.5 [skip ci]

## [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](e3f42d747a))
* ParticleSystem creates particles in wrong position during pre-warm ([b93e0e4](b93e0e4701)), closes [#147](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/147)

.github/workflows/release.yml

@@ -4,7 +4,7 @@ on:
   push:
     branches:
       - preview
-      - master
+      - main
       - v*.x
     tags-ignore:
       - "**"
@@ -12,16 +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
 
-      - run: |
+      - uses: cycjimmy/semantic-release-action@v2
-          npm i --no-save https://gist.github.com/mob-sakai/c90044338361af97a7e8c8a78425bdb3
+        with:
-          npx semantic-release -e @mob-sakai/semantic-release-upm
+          extra_plugins: |
+            @semantic-release/changelog
+            @semantic-release/git
         env:
           GITHUB_TOKEN: ${{ github.token }}
-      
-      - run: cat package.json
-      
-      - run: ls

.github/workflows/test.yml

@@ -0,0 +1,94 @@
+# Secrets
+#   UNITY_LICENSE:
+name: test
+
+on:
+  push:
+    branches:
+      - develop
+    tags:
+      - "!*"
+  pull_request:
+    types:
+      - opened
+      - synchronize
+
+jobs:
+  unity-test:
+    runs-on: ubuntu-latest
+    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",
+          ]
+
+    steps:
+      # Checkout sandbox project
+      - uses: actions/checkout@v2
+        with:
+          ref: sandbox
+          submodules: true
+          fetch-depth: 0
+
+      # Update package submodule
+      - name: "Update package submodule"
+        working-directory: Packages/dev
+        run: git checkout ${{ github.sha }}
+
+      - uses: actions/cache@v2
+        with:
+          path: Library
+          key: Library-${{ matrix.unityVersion }}-${{ github.sha }}
+          restore-keys: |
+            Library-${{ matrix.unityVersion }}-
+            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
+        with:
+          unityVersion: ${{ matrix.unityVersion }}
+          customParameters: -nographics -enableCodeCoverage -coverageOptions assemblyFilters:+Coffee.UIParticle.*Tests
+        env:
+          UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}
+
+      - uses: actions/upload-artifact@v2
+        if: always()
+        with:
+          name: TestResults-${{ 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' ' '`

.github/workflows/unity-test.yml

@@ -1,137 +0,0 @@
-# Secrets
-#   ULF_REPO: Git repository url contains ulf files. https://mob-sakai:{{token}}@github.com/mob-sakai/ulfs.git
-name: unity-test
-
-on:
-  push:
-    branches:
-      - develop
-    tags:
-      - "!*"
-  pull_request:
-    types:
-      - opened
-      - synchronize
-
-jobs:
-  release-test:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-
-      - run: |
-          npm i --no-save https://gist.github.com/mob-sakai/c90044338361af97a7e8c8a78425bdb3
-          npx semantic-release -e @mob-sakai/semantic-release-upm --dry-run --debug --branches develop
-        env:
-          GITHUB_TOKEN: ${{ github.token }}
-      
-      - run: cat package.json
-      
-      - run: ls
-
-  unity-test:
-    strategy:
-      fail-fast: false
-      matrix:
-        unity:
-          [
-            "2018.4.25f1",
-            "2019.4.10f1",
-            "2020.1.5f1",
-          ]
-    env:
-      RUN_UNITY: "xvfb-run --auto-servernum --server-args='-screen 0 640x480x24' /opt/Unity/Editor/Unity -batchmode -nographics -silent-crashes -logFile -projectPath ."
-
-    runs-on: ubuntu-latest
-    container:
-      # Use Unity image from https://hub.docker.com/r/gableroux/unity3d/tags
-      image: gableroux/unity3d:${{ matrix.unity }}
-
-    steps:
-      # Activate Unity Editor
-      - name: Activate Unity Editor
-        id: activation
-        run: |
-          # Clone ulfs.
-          apt-get update
-          apt-get install software-properties-common -y
-          apt-add-repository ppa:git-core/ppa -y
-          apt-get update
-          apt-get install git -y
-          git clone --depth 1 ${ULF_REPO} .ulfs
-
-          # Activate with ulf.
-          ULF_FILE=.ulfs/Unity_v${UNITY_VERSION}.ulf
-          echo $ULF_FILE
-          if [ -e ${ULF_FILE} ]; then
-            /opt/Unity/Editor/Unity -quit -batchmode -nographics -silent-crashes -logFile -manualLicenseFile ${ULF_FILE} \
-              | grep -E 'LICENSE SYSTEM.*\w{32} != \w{32}' && FAILED=true
-          else
-            echo "::error:: ulf file '${ULF_FILE}' is not found."
-            FAILED=true
-          fi
-
-          # Activation failed.
-          if [ $FAILED ]; then
-            echo "::error:: the unity activation may have failed. manual activation is required.%0A \
-              1. download the artifact's .alf file.%0A \
-              2. Go to https://license.unity3d.com/manual to activate manually.%0A \
-              3. Generate a .ulf file from the .alf file and download it.%0A \
-              4. Rename .ulf to 'Unity_v${UNITY_VERSION}.ulf'.%0A \
-              5. Add file to ulfs repository.%0A \
-              5. Re-run the jobs."
-
-            /opt/Unity/Editor/Unity -quit -batchmode -nographics -logFile -createManualActivationFile
-            exit 1
-          fi
-        env:
-          ULF_REPO: ${{ secrets.ULF_REPO }}
-          UNITY_VERSION: ${{ matrix.unity }}
-
-      # (On failed activation) Upload unity activation file
-      - name: Upload unity activation file
-        uses: actions/upload-artifact@v2
-        if: failure()
-        with:
-          name: Unity_v${{ matrix.unity }}.alf
-          path: ./*.alf
-
-      # Setup testspace
-      - uses: testspace-com/setup-testspace@v1
-        with:
-          domain: ${{ github.repository_owner }}
-
-      # Checkout sandbox project
-      - uses: actions/checkout@v2
-        with:
-          ref: "sandbox"
-          submodules: "true"
-          fetch-depth: "1"
-
-      # Update package submodule
-      - name: "Update package submodule"
-        working-directory: Packages/dev
-        run: git checkout ${{ github.head_ref }}
-
-      # Run playmode tests
-      - name: "Run playmode tests"
-        if: always() && steps.activation.conclusion == 'success'
-        run: |
-          # Install codecoverage
-          if [ -z "`echo ${{ matrix.unity }} | grep 2018.`" ]; then
-            npm i -g openupm-cli
-            openupm add com.unity.testtools.codecoverage
-          fi
-
-          $RUN_UNITY -runTests -testPlatform playmode -enableCodeCoverage || exit 0
-
-      # Run editmode tests
-      - name: "Run editmode tests"
-        if: always() && steps.activation.conclusion == 'success'
-        run: |
-          $RUN_UNITY -runTests -testPlatform editmode -enableCodeCoverage || exit 0
-
-      # Push test results
-      - name: Push test results
-        if: always() && steps.activation.conclusion == 'success'
-        run: testspace "[${{ matrix.unity }}]TestResults-*.xml" "[Code Coverage]CodeCoverage/**/TestCoverageResults_*.xml"

.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"
+  ]
+}

CHANGELOG.md

@@ -1,10 +1,139 @@
+## [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)
+
+
+### Bug Fixes
+
+* _cachedPosition defaults to localPosition ([c0aa89b](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c0aa89bd6f7847723a4702b6ca70fa202e8a8304)), closes [#121](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/121)
+* submeshes can't over 8 ([2a1f334](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/2a1f3345bacdecf38e8890781a181a1392224e35)), closes [#122](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/122)
+
+## [3.3.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.3.0...3.3.1) (2021-02-01)
+
+
+### Bug Fixes
+
+* ignore material check and transform check ([d11cd0a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/d11cd0a06d76a32b2a119387bddc34c703b9b497)), closes [#119](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/119)
+* the trail is incorrect in SimulationSpace.Local ([9313489](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9313489552b30f2e2b0b42a641f5e0502995b03d))
+
+# [3.3.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.2.0...3.3.0) (2020-11-20)
+
+
+### Bug Fixes
+
+* the particles may disappear unintentionally ([2ec81da](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/2ec81da04877d63593dd863133b6da149dcd79e6)), closes [#117](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/117)
+
+
+### Features
+
+* ignore rendering of particle systems that do not have a SharedMaterial and TrailMaterial ([08c4aba](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/08c4aba8ab9b5a041d4350a72dae62d25530afca)), closes [#118](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/118)
+* show/hide materials in inspector ([4b4aebf](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4b4aebff8cdaff9acc696a1094e170e65631135f))
+* shrink rendering by material ([46a7ddd](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/46a7dddd11c3e030192cd998ae1a79441f5e5c14)), closes [#113](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/113)
+
+# [3.2.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.1.1...3.2.0) (2020-11-15)
+
+
+### Features
+
+* compatibility with other IMaterialModifier ([08273cb](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/08273cb0c340ccb4f35120dc804c37d758da9ce1)), closes [#115](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/115)
+
+## [3.1.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.1.0...3.1.1) (2020-11-09)
+
+
+### Bug Fixes
+
+* error on build in Unity 2019.3.11-15 ([68669c7](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/68669c739676f2354db4913a0e2296ab1715ee1f)), closes [#114](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/114)
+* null Reference when creating New Scene after Prefab was open in PrefabMode ([22bcecd](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/22bcecd0abd6ad651fcf066e5c9efe9a43fd217a)), closes [#111](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/111)
+
+# [3.1.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.0.1...3.1.0) (2020-10-28)
+
+
+### Bug Fixes
+
+* compile error in 2018.2 ([82f81ef](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/82f81efd7e4ea06465e24f44f96d9726a1a60cc8))
+
+
+### Features
+
+* maskable option to ignore masking ([af5f7e9](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/af5f7e90b0570d5c7fcf045fd6b81036a060e493)), closes [#109](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/109)
+
+## [3.0.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.0.0...3.0.1) (2020-10-28)
+
+
+### Bug Fixes
+
+* fix the sorting algorithm ([7acbf22](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/7acbf22b4de7c3b5251fbb720bb5b575946622f6))
+* in rare cases, an IndexOutOfRangeException is thrown ([f7eac0a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f7eac0a34f07767dc04e035f97179cc30935284f))
+
 # [3.0.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/2.3.0...3.0.0) (2020-10-27)
 
 
 ### Bug Fixes
 
 * IgnoreCanvasScaler may be enabled unintentionally ([d9f9244](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/d9f9244e49127bea405c3cb802b588c1eae00831))
-* update release workflow ([37ff06d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/37ff06dd122365a36611cbf53700d5df99d126ad))
+* an error happens during loading scene in editor ([ab9d9aa](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ab9d9aa7b3afcdbdda00004f7af3fd4827aaea54)), closes [#101](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/101)
+* not working as expected in world simulation space ([683fcb4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/683fcb4ecdf8bfa0994571f5d6c3dd2bc242ca2a)), closes [#98](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/98)
+* if the package was installed via openupm, an unintended directory 'Samples' was included ([1913de5](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1913de557743b9480f72c5378d13c284a4ac93f9))
+* animatable properties not working ([5b8b0bd](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/5b8b0bd28b251a7ea6e0cfa0c4b69bd7f9c4d953)), closes [#95](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/95)
+* combine Instances error ([878f812](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/878f81202ac29a8a20f174efa916da64eef99e8a)), closes [#91](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/91)
+* in rare cases, the particle size is incorrect with camera-space mode ([90593ac](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/90593ac021ce19d164927e44804354535db047bb)), closes [#93](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/93)
+* trails material uses sprite texture ([9e65ee7](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9e65ee7345e16b5124e94d26f5749999c648f677)), closes [#92](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/92)
+* ignore missing object on initialize ([8bd9b62](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8bd9b621b9efcd242c410405d066494a1d53f9a3))
+* not masked ([4ef5947](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4ef5947baa325002aecd1ccbdc75056a6567f14b))
+* in Unity 2018.2, PrefabStageUtility is not found ([0b6dcff](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0b6dcff5d6356db497532daa0a26804852e8de24))
+* removed UIParticle will be saved in prefab mode ([08e2d51](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/08e2d51c73a294d44974e7fba35e2477f04e6860))
+* hide camera for baking ([30b4703](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/30b4703e2a1746efc4b7db154354f80fd0593b98))
+* In ignore canvas scaler mode, Transform.localScale is zero ([cc71f2b](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/cc71f2bdac1a61fd5e5fc85d0a69589e05a0f79d)), closes [#89](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/89)
+* In prefab mode, an error occurs ([a222f37](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a222f3710b530c7fc9fab10f25bd28d820ffebe2)), closes [#88](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/88)
+* the default value of IgnoreCanvasScaler is true ([966fae1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/966fae1d22a98259ec5aff68b4603b7c21dfdfc9))
+* build fails ([ac080a4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ac080a44e4d872bc3f784fc222cc74aac7e795e9)), closes [#85](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/85)
+* if in the mask, rendering material will be destroyed ([0db40cf](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0db40cf160b2a5a27c83ef15d648b2771a47b51a))
+* baking camera settings for camera space ([436c5e4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/436c5e47f75c3e167dcd77c188847e9d7d6ea68d))
+* fix local simulation ([7add9de](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/7add9defb70be29ddbe536d854591c2e0d9e83fa))
+* fix camera for baking mesh ([6395a4f](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/6395a4fa744a46551593185711d6545a94d8b456))
+* The type or namespace name 'U2D' does not exist in the namespace 'UnityEditor.Experimental' in Unity 2019.3 or later ([930199e](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/930199e5e42920825b27d5bf3e2b2a4bda77fa14)), closes [#82](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/82)
+* texture sheet animation module Sprite mode not working ([30d1d5d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/30d1d5d3cc67234a8cd985e98f181aff2a8bd8ef)), closes [#79](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/79)
+* An exception in the OnSceneGUI caused the scale of the transformation to change unintentionally ([75413e0](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/75413e0e2cff42a85b73b33e17e0bb6344ecc8f6))
+* read-only properties in the inspector ([f012b23](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f012b238d97aad3fdc3107b1f9a197de869c43e6))
+* Added CanvasRenderer as a required component ([a8950f6](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a8950f65c817be04b0be222c9728c716fdd7c658))
+* If sprite is null, a null exception is thrown ([50c6e98](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/50c6e980ca37dda1bece5252162fa05ca3472ee8))
+* fix displayed version in readme ([c29bbdd](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c29bbddf8ad9a251d5f472b77cf85b3d432bba71))
+* abnormal Mesh Bounds with Particle Trails ([518a749](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/518a7497105a114a0f6b1782df0c35ba0aecfab2)), closes [#61](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/61)
+* multiple UIParticleOverlayCamera in scene ([3f09395](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/3f093958b3353463d6c5bd29ef3338203d4e41d7)), closes [#73](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/73)
+* add package keywords ([49d8f3f](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/49d8f3fe4c76cf6bd2cd5b6134ee23134532da8e))
+* particles not visible if scale.z is 0 ([35718e0](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/35718e099acbb04fdadf131c7e4d2e6c3f4a1756)), closes [#64](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/64)
+* remove unnecessary scripts ([0a43740](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0a4374099dc3151e7f1a3a24a6ce6c39a968e163))
+* workaround for [#70](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/70) ([4bbcc33](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4bbcc334abb7cd6db2897fad0bda219d5ea73530))
+* change the text in the inspector to make it more understandable. ([7ca0b6f](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/7ca0b6fa34c1168ef103992e1c69b68631b3bc60)), closes [#66](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/66)
+* editor crashes when mesh is set to null when ParticleSystem.RenderMode=Mesh ([e5ebadd](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e5ebadd84731716f82c63ac5ba3eb676720e3ad6)), closes [#69](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/69)
+* getting massive errors on editor ([ef82fa8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ef82fa82a69894e643f0d257f99eb9177785f697)), closes [#67](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/67)
+* heavy editor UI ([d3b470a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/d3b470a2be3a21add9e126b357e46bdfaa6f16c8))
+* remove a menu to add overlay camera ([f5d3b6e](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f5d3b6edb5687c4d465992ef5c3c0d54f7b36d74))
+* rotating the particle rect may cause out of bounds ([3439842](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/3439842119f334b50910c0a983e561944cc792a2)), closes [#55](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/55)
+* scale will be decrease on editor ([0c59846](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0c59846f11438b12caad04ae5d5b544a28883ea6))
+* UI darker than normal when change to linear color space ([db4d8a7](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/db4d8a742ca36c8dd2de6936b9cf2912c72d4b9f)), closes [#57](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/57)
 
 
 ### Features
@@ -12,11 +141,34 @@
 * cache modified material ([6b397f3](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/6b397f39b89f40c4aae9c9f56706b3bc68a376be)), closes [#94](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/94)
 * improve the material batching ([4be5666](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4be56669fb764bf61c0246a6e56d18640053b565))
 * un-limit on the number of mesh instances ([f133881](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f1338813ca85d305f334799b78154e03b0aff60c))
+* refresh children ParticleSystem with a gameObjects as root ([8bae1d0](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8bae1d08cc6f00e2b8d6f336aad92233891da1e4))
+* add API to bind ParticleSystem object ([a77bbd3](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a77bbd3a9a65d5fd1198bd8e580982ca8e07fca8))
+* material batching ([8f703e6](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8f703e6d2c0e8229ca14b25638dae5d91a5658c3))
+* support AnimatableProperty for multiple materials ([062d988](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/062d9887fb8b096250ec3b43d9aa82637940a8bb))
+* remove menu in inspector ([e7f8f51](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e7f8f512122a01423de415b55e3190d62bda146a))
+* add menu to create UIParticle ([2fa1843](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/2fa18431f0c8c4aeadfdd1cb98eeeef5ac6970a0))
+* add play/pause/stop api ([f09a386](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f09a386bc59fbab8143f7f0b814c8684aea7f27c))
+* support for changing rendering orders ([745d4a5](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/745d4a598846b3e77d1071433079fdd5140921a8))
+* Support for child ParticleSystem rendering ([4ee90be](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4ee90be17c68bf405f81f432615a3eebaa022366))
+* UIParticle for trail is no longer needed ([466e43c](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/466e43cf931d211907419f804a90776a0d9f4906))
+* add menu to create UIParticle ([14f1c78](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/14f1c782ff0f2b67d85d7c9ad0cf662da1dd1fc6))
+* Combine baked meshes to improve performance ([633d058](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/633d058756fde776a7e5192a0f023adf6eb0ca7b))
+* improve performance ([77c056a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/77c056ad5f2918efe457883f3b0361f952600568))
+* optimization for vertices transforms and adding node for trails ([e070e8d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e070e8d5ee205c25a1e3be5d3178821d4a8265d0)), closes [#75](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/75)
+* option to ignoring canvas scaling ([fe85fed](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/fe85fed3c0ad2881578ff68722863d65dfa4db7a))
+* support 3d scaling ([42a84bc](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/42a84bc5e130aed3cf5e57dcd6a9d8dc94deb641))
+* support custom simulation space ([a83e647](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a83e64761c008e88ff328a2609118806e97f19cf)), closes [#78](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/78)
+* support for particle systems including trail only ([f389d39](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f389d39953c85b97482b12d1c8578ecaeddacd18)), closes [#61](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/61)
+* add support for SpriteAtlas ([b31e325](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b31e325bb1ef0856cb1ac4c4b0c4da0f1578b8ba))
+* add menu to import sample ([b8b1827](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b8b18273185769235101da01f5bbadbac188e387))
 
 
 ### BREAKING CHANGES
 
 * The development branch name has been changed. Most cases are unaffected.
+* The child UIParticle is no longer needed.
+* The bake-task has changed significantly. It may look different from previous versions.
+* update develop environment to Unity 2018.3. Unity 2018.2 will continue to be supported.
 
 # [3.0.0-preview.38](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v3.0.0-preview.37...v3.0.0-preview.38) (2020-10-04)
 

README.md

@@ -1,6 +1,8 @@
 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.
 
@@ -58,7 +60,7 @@ Compares this "Baking mesh" approach with the conventional approach:
 
 ## Demo
 
-* [WebGL Demo](http://mob-sakai.github.io/ParticleEffectForUGUI)
+* [WebGL Demo](https://mob-sakai.github.io/Demos/ParticleEffectForUGUI)
 * [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
 
@@ -93,14 +95,11 @@ openupm add com.coffee.ui-particle
 
 Find the manifest.json file in the Packages folder of your project and add a line to `dependencies` field.
 
-* Major version: ![](https://img.shields.io/github/v/release/mob-sakai/ParticleEffectForUGUI)  
+* `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git"`
-`"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git"`
-* Preview version: ![](https://img.shields.io/github/v/release/mob-sakai/ParticleEffectForUGUI?include_prereleases)  
-`"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git#preview"`
 
 To update the package, change suffix `#{version}` to the target version.
 
-* e.g. `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git#3.0.0",`
+* `"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.
 
@@ -148,11 +147,16 @@ Unity 2018.2 supports embedded packages.
 
 `UIParticle` controls the ParticleSystems that is attached to its own game objects and child game objects.
 
-| Properties | Screenshot |
+![](https://user-images.githubusercontent.com/12690315/99765566-af129a80-2b42-11eb-88f6-661182d0b619.png)
-| -- | -- |
-| **Ignore Canvas Scale:** Ignore the scale of the root canvas. This prevents it from displaying small even in hierarchy scaling mode of ParticleSystem. <br>**Scale:** Scale the rendering. When the `3D` toggle is enabled, 3D scale (x,y,z) is supported. <br>**AnimatableProperties:** If you want update material properties (e.g. `_MainTex_ST`, `_Color`) in AnimationClip, use this to mark the changes. <br>**Rendering Order:** The ParticleSystems to be rendered. You can change the rendering order and the materials. | ![][inspector] |
 
-[inspector]:https://user-images.githubusercontent.com/12690315/95017219-1cea2c00-0693-11eb-9490-c52b8d0fdbb6.png
+| 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. |
 
 NOTE: Press `Refresh` button to reconstruct rendering order based on children ParticleSystem's sorting order and z position.
 

Scripts/Editor/UIParticleEditor.cs

@@ -25,12 +25,15 @@ namespace Coffee.UIExtensions
         private static readonly List<UIParticle> s_TempParents = new List<UIParticle>();
         private static readonly List<UIParticle> s_TempChildren = new List<UIParticle>();
 
+        private SerializedProperty _spMaskable;
         private SerializedProperty _spScale;
         private SerializedProperty _spIgnoreCanvasScaler;
         private SerializedProperty _spAnimatableProperties;
+        private SerializedProperty _spShrinkByMaterial;
 
         private ReorderableList _ro;
         private bool _xyzMode;
+        private bool _showMaterials;
 
         private static readonly List<string> s_MaskablePropertyNames = new List<string>
         {
@@ -52,13 +55,19 @@ namespace Coffee.UIExtensions
         protected override void OnEnable()
         {
             base.OnEnable();
+            _spMaskable = serializedObject.FindProperty("m_Maskable");
             _spScale = serializedObject.FindProperty("m_Scale3D");
             _spIgnoreCanvasScaler = serializedObject.FindProperty("m_IgnoreCanvasScaler");
             _spAnimatableProperties = serializedObject.FindProperty("m_AnimatableProperties");
+            _spShrinkByMaterial = serializedObject.FindProperty("m_ShrinkByMaterial");
+            _showMaterials = EditorPrefs.GetBool("Coffee.UIExtensions.UIParticleEditor._showMaterials", true);
 
             var sp = serializedObject.FindProperty("m_Particles");
             _ro = new ReorderableList(sp.serializedObject, sp, true, true, true, true);
             _ro.elementHeight = EditorGUIUtility.singleLineHeight * 3 + 4;
+            _ro.elementHeightCallback = _ => _showMaterials
+                ? 3 * (EditorGUIUtility.singleLineHeight + 2)
+                : EditorGUIUtility.singleLineHeight + 2;
             _ro.drawElementCallback = (rect, index, active, focused) =>
             {
                 EditorGUI.BeginDisabledGroup(sp.hasMultipleDifferentValues);
@@ -66,6 +75,7 @@ namespace Coffee.UIExtensions
                 rect.height = EditorGUIUtility.singleLineHeight;
                 var p = sp.GetArrayElementAtIndex(index);
                 EditorGUI.ObjectField(rect, p, GUIContent.none);
+                if (!_showMaterials) return;
 
                 rect.x += 15;
                 rect.width -= 15;
@@ -85,15 +95,15 @@ namespace Coffee.UIExtensions
             };
             _ro.drawHeaderCallback += rect =>
             {
+#if !UNITY_2019_3_OR_NEWER
+                rect.y -= 1;
+#endif
                 EditorGUI.LabelField(new Rect(rect.x, rect.y, 150, rect.height), s_ContentRenderingOrder);
 
-                #if UNITY_2019_3_OR_NEWER
+                var content = EditorGUIUtility.IconContent(_showMaterials ? "VisibilityOn" : "VisibilityOff");
-                rect = new Rect(rect.width - 55, rect.y, 80, rect.height);
+                _showMaterials = GUI.Toggle(new Rect(rect.width - 55, rect.y, 24, 20), _showMaterials, content, EditorStyles.label);
-                #else
-                rect = new Rect(rect.width - 55, rect.y - 1, 80, rect.height);
-                #endif
 
-                if (GUI.Button(rect, s_ContentRefresh, EditorStyles.miniButton))
+                if (GUI.Button(new Rect(rect.width - 35, rect.y, 60, rect.height), s_ContentRefresh, EditorStyles.miniButton))
                 {
                     foreach (UIParticle t in targets)
                     {
@@ -127,6 +137,9 @@ namespace Coffee.UIExtensions
 
             serializedObject.Update();
 
+            // Maskable
+            EditorGUILayout.PropertyField(_spMaskable);
+
             // IgnoreCanvasScaler
             using (var ccs = new EditorGUI.ChangeCheckScope())
             {
@@ -159,6 +172,9 @@ namespace Coffee.UIExtensions
                     t.SetMaterialDirty();
             }
 
+            // ShrinkByMaterial
+            EditorGUILayout.PropertyField(_spShrinkByMaterial);
+
             // Target ParticleSystems.
             _ro.DoLayoutList();
 
@@ -188,19 +204,6 @@ namespace Coffee.UIExtensions
                 DestroyUIParticle(current);
                 return;
             }
-
-            current.GetComponentsInParent(true, s_TempParents);
-            if (FixButton(1 < s_TempParents.Count, "This UIParticle component should be removed. The parent UIParticle exists."))
-            {
-                DestroyUIParticle(current);
-                return;
-            }
-
-            current.GetComponentsInChildren(true, s_TempChildren);
-            if (FixButton(1 < s_TempChildren.Count, "The children UIParticle component should be removed."))
-            {
-                s_TempChildren.ForEach(child => DestroyUIParticle(child, true));
-            }
         }
 
         void DestroyUIParticle(UIParticle p, bool ignoreCurrent = false)
@@ -247,20 +250,27 @@ namespace Coffee.UIExtensions
             EditorGUILayout.BeginHorizontal();
             if (showXyz)
             {
+                EditorGUI.BeginChangeCheck();
                 EditorGUILayout.PropertyField(sp);
+                if (EditorGUI.EndChangeCheck())
+                {
+                    x.floatValue = Mathf.Max(0.001f, x.floatValue);
+                    y.floatValue = Mathf.Max(0.001f, y.floatValue);
+                    z.floatValue = Mathf.Max(0.001f, z.floatValue);
+                }
             }
             else
             {
                 EditorGUI.BeginChangeCheck();
                 EditorGUILayout.PropertyField(x, s_ContentScale);
                 if (EditorGUI.EndChangeCheck())
-                    z.floatValue = y.floatValue = x.floatValue;
+                {
+                    x.floatValue = Mathf.Max(0.001f, x.floatValue);
+                    y.floatValue = Mathf.Max(0.001f, x.floatValue);
+                    z.floatValue = Mathf.Max(0.001f, x.floatValue);
+                }
             }
 
-            x.floatValue = Mathf.Max(0.001f, x.floatValue);
-            y.floatValue = Mathf.Max(0.001f, y.floatValue);
-            z.floatValue = Mathf.Max(0.001f, z.floatValue);
-
             EditorGUI.BeginChangeCheck();
             showXyz = GUILayout.Toggle(showXyz, s_Content3D, EditorStyles.miniButton, GUILayout.Width(30));
             if (EditorGUI.EndChangeCheck() && !showXyz)

Scripts/UIParticle.cs

@@ -1,3 +1,7 @@
+#if UNITY_2019_3_11 || UNITY_2019_3_12 || UNITY_2019_3_13 || UNITY_2019_3_14 || UNITY_2019_3_15 || UNITY_2019_4_OR_NEWER
+#define SERIALIZE_FIELD_MASKABLE
+#endif
+using System.Collections;
 using System.Collections.Generic;
 using System.Runtime.CompilerServices;
 using Coffee.UIParticleExtensions;
@@ -38,6 +42,13 @@ namespace Coffee.UIExtensions
         [Tooltip("Particles")] [SerializeField]
         private List<ParticleSystem> m_Particles = new List<ParticleSystem>();
 
+        [Tooltip("Shrink rendering by material on refresh.\nNOTE: Performance will be improved, but in some cases the rendering is not correct.")] [SerializeField]
+        bool m_ShrinkByMaterial = false;
+
+#if !SERIALIZE_FIELD_MASKABLE
+        [SerializeField] private bool m_Maskable = true;
+#endif
+
         private bool _shouldBeRemoved;
         private DrivenRectTransformTracker _tracker;
         private Mesh _bakedMesh;
@@ -49,6 +60,8 @@ namespace Coffee.UIExtensions
         private static MaterialPropertyBlock s_Mpb;
         private static readonly List<Material> s_PrevMaskMaterials = new List<Material>();
         private static readonly List<Material> s_PrevModifiedMaterials = new List<Material>();
+        private static readonly List<Component> s_Components = new List<Component>();
+        private static readonly List<ParticleSystem> s_ParticleSystems = new List<ParticleSystem>();
 
 
         /// <summary>
@@ -73,6 +86,17 @@ namespace Coffee.UIExtensions
             }
         }
 
+        public bool shrinkByMaterial
+        {
+            get { return m_ShrinkByMaterial; }
+            set
+            {
+                if (m_ShrinkByMaterial == value) return;
+                m_ShrinkByMaterial = value;
+                RefreshParticles();
+            }
+        }
+
         /// <summary>
         /// Particle effect scale.
         /// </summary>
@@ -116,6 +140,11 @@ namespace Coffee.UIExtensions
             get { return _modifiedMaterials; }
         }
 
+        public override Material materialForRendering
+        {
+            get { return canvasRenderer.GetMaterial(0); }
+        }
+
         public List<bool> activeMeshIndices
         {
             get { return _activeMeshIndices; }
@@ -149,6 +178,11 @@ namespace Coffee.UIExtensions
             particles.Exec(p => p.Stop());
         }
 
+        public void Clear()
+        {
+            particles.Exec(p => p.Clear());
+        }
+
         public void SetParticleSystemInstance(GameObject instance)
         {
             SetParticleSystemInstance(instance, true);
@@ -195,6 +229,7 @@ namespace Coffee.UIExtensions
         {
             if (!root) return;
             root.GetComponentsInChildren(particles);
+            particles.RemoveAll(x => x.GetComponentInParent<UIParticle>() != this);
 
             foreach (var ps in particles)
             {
@@ -204,7 +239,7 @@ namespace Coffee.UIExtensions
             }
 
             particles.Exec(p => p.GetComponent<ParticleSystemRenderer>().enabled = !enabled);
-            particles.SortForRendering(transform);
+            particles.SortForRendering(transform, m_ShrinkByMaterial);
 
             SetMaterialDirty();
         }
@@ -232,17 +267,13 @@ namespace Coffee.UIExtensions
             if (count == 0 || !isActiveAndEnabled || particles.Count == 0)
             {
                 canvasRenderer.Clear();
-
+                ClearPreviousMaterials();
-                foreach (var m in s_PrevMaskMaterials)
-                    StencilMaterial.Remove(m);
-
-                foreach (var m in s_PrevModifiedMaterials)
-                    ModifiedMaterial.Remove(m);
                 return;
             }
 
             //
-            var materialCount = Mathf.Max(8, count);
+            GetComponents(typeof(IMaterialModifier), s_Components);
+            var materialCount = Mathf.Min(8, count);
             canvasRenderer.materialCount = materialCount;
             var j = 0;
             for (var i = 0; i < particles.Count; i++)
@@ -256,9 +287,12 @@ namespace Coffee.UIExtensions
 
                 // Main
                 var index = i * 2;
+                if (activeMeshIndices.Count <= index) break;
                 if (activeMeshIndices[index] && 0 < s_TempMaterials.Count)
                 {
                     var mat = GetModifiedMaterial(s_TempMaterials[0], ps.GetTextureForSprite());
+                    for (var k = 1; k < s_Components.Count; k++)
+                        mat = (s_Components[k] as IMaterialModifier).GetModifiedMaterial(mat);
                     canvasRenderer.SetMaterial(mat, j);
                     UpdateMaterialProperties(r, j);
                     j++;
@@ -266,19 +300,28 @@ namespace Coffee.UIExtensions
 
                 // Trails
                 index++;
-                if (materialCount <= j) break;
+                if (activeMeshIndices.Count <= index || materialCount <= j) break;
                 if (activeMeshIndices[index] && 1 < s_TempMaterials.Count)
                 {
                     var mat = GetModifiedMaterial(s_TempMaterials[1], null);
+                    for (var k = 1; k < s_Components.Count; k++)
+                        mat = (s_Components[k] as IMaterialModifier).GetModifiedMaterial(mat);
                     canvasRenderer.SetMaterial(mat, j++);
                 }
             }
 
+            ClearPreviousMaterials();
+        }
+
+        private void ClearPreviousMaterials()
+        {
             foreach (var m in s_PrevMaskMaterials)
                 StencilMaterial.Remove(m);
+            s_PrevMaskMaterials.Clear();
 
             foreach (var m in s_PrevModifiedMaterials)
                 ModifiedMaterial.Remove(m);
+            s_PrevModifiedMaterials.Clear();
         }
 
         private Material GetModifiedMaterial(Material baseMaterial, Texture2D texture)
@@ -349,7 +392,9 @@ namespace Coffee.UIExtensions
         /// </summary>
         protected override void OnEnable()
         {
-            _cachedPosition = transform.localPosition;
+#if !SERIALIZE_FIELD_MASKABLE
+            maskable = m_Maskable;
+#endif
             activeMeshIndices.Clear();
 
             UIParticleUpdater.Register(this);
@@ -368,6 +413,25 @@ namespace Coffee.UIExtensions
             InitializeIfNeeded();
         }
 
+        private new IEnumerator Start()
+        {
+            // #147: ParticleSystem creates Particles in wrong position during prewarm
+            // #148: Particle Sub Emitter not showing when start game
+            var delayToPlay = particles.AnyFast(ps =>
+            {
+                ps.GetComponentsInChildren(false, s_ParticleSystems);
+                return s_ParticleSystems.AnyFast(p => p.isPlaying && (p.subEmitters.enabled || p.main.prewarm));
+            });
+            s_ParticleSystems.Clear();
+            if (!delayToPlay) yield break;
+
+            Stop();
+            Clear();
+            yield return null;
+
+            Play();
+        }
+
         /// <summary>
         /// This function is called when the behaviour becomes disabled.
         /// </summary>
@@ -409,14 +473,6 @@ namespace Coffee.UIExtensions
                 enabled = false;
                 return;
             }
-            else if (enabled && transform.parent && transform.parent.GetComponentInParent<UIParticle>())
-            {
-                UnityEngine.Debug.LogWarningFormat(this, "[UIParticle] The UIParticle component should be removed: {0}\nReason: The parent UIParticle exists.", name);
-                gameObject.hideFlags = HideFlags.None;
-                _shouldBeRemoved = true;
-                enabled = false;
-                return;
-            }
 
             if (!this || particles.AnyFast()) return;
 
@@ -439,6 +495,9 @@ namespace Coffee.UIExtensions
             SetVerticesDirty();
             m_ShouldRecalculateStencil = true;
             RecalculateClipping();
+#if !SERIALIZE_FIELD_MASKABLE
+            maskable = m_Maskable;
+#endif
         }
 
         void ISerializationCallbackReceiver.OnBeforeSerialize()

Scripts/UIParticleUpdater.cs

@@ -59,7 +59,7 @@ namespace Coffee.UIExtensions
 
         private static void Refresh(UIParticle particle)
         {
-            if (!particle || !particle.canvas || !particle.canvasRenderer) return;
+            if (!particle || !particle.bakedMesh || !particle.canvas || !particle.canvasRenderer) return;
 
             Profiler.BeginSample("[UIParticle] Modify scale");
             ModifyScale(particle);
@@ -154,6 +154,9 @@ namespace Coffee.UIExtensions
 
             particle.cachedPosition = position;
 
+            if (particle.activeMeshIndices.CountFast() == 0)
+                diff = Vector3.zero;
+
             for (var i = 0; i < particle.particles.Count; i++)
             {
                 Profiler.BeginSample("[UIParticle] Bake Mesh > Push index");
@@ -164,6 +167,8 @@ namespace Coffee.UIExtensions
                 // No particle to render.
                 var currentPs = particle.particles[i];
                 if (!currentPs || !currentPs.IsAlive() || currentPs.particleCount == 0) continue;
+                var r = currentPs.GetComponent<ParticleSystemRenderer>();
+                if (!r.sharedMaterial && !r.trailMaterial) continue;
 
                 // Calc matrix.
                 Profiler.BeginSample("[UIParticle] Bake Mesh > Calc matrix");
@@ -211,12 +216,13 @@ namespace Coffee.UIExtensions
                     Profiler.EndSample();
                 }
 
+#if UNITY_2018_3_OR_NEWER
                 // #102: Do not bake particle system to mesh when the alpha is zero.
                 if (Mathf.Approximately(particle.canvasRenderer.GetInheritedAlpha(), 0))
                     continue;
+#endif
 
                 // Bake main particles.
-                var r = currentPs.GetComponent<ParticleSystemRenderer>();
                 if (CanBakeMesh(r))
                 {
                     Profiler.BeginSample("[UIParticle] Bake Mesh > Bake Main Particles");
@@ -238,6 +244,10 @@ namespace Coffee.UIExtensions
                     var hash = currentPs.GetMaterialHash(true);
                     if (hash != 0)
                     {
+                        matrix = currentPs.main.simulationSpace == ParticleSystemSimulationSpace.Local && currentPs.trails.worldSpace
+                            ? matrix * Matrix4x4.Translate(-currentPs.transform.position)
+                            : matrix;
+
                         var m = MeshHelper.GetTemporaryMesh();
                         try
                         {

Scripts/Utils.cs

@@ -9,8 +9,9 @@ namespace Coffee.UIParticleExtensions
     internal static class SpriteExtensions
     {
 #if UNITY_EDITOR
-        private static Type tSpriteEditorExtension = Type.GetType("UnityEditor.Experimental.U2D.SpriteEditorExtension, UnityEditor")
+        private static Type tSpriteEditorExtension =
-                                                     ?? Type.GetType("UnityEditor.U2D.SpriteEditorExtension, UnityEditor");
+            Type.GetType("UnityEditor.Experimental.U2D.SpriteEditorExtension, UnityEditor")
+            ?? Type.GetType("UnityEditor.U2D.SpriteEditorExtension, UnityEditor");
 
         private static MethodInfo miGetActiveAtlasTexture = tSpriteEditorExtension
             .GetMethod("GetActiveAtlasTexture", BindingFlags.Static | BindingFlags.NonPublic);
@@ -64,6 +65,16 @@ namespace Coffee.UIParticleExtensions
 
             return false;
         }
+
+        public static bool AnyFast<T>(this List<T> self, Predicate<T> predicate) where T : Object
+        {
+            for (var i = 0; i < self.Count; ++i)
+            {
+                if (self[i] && predicate(self[i])) return true;
+            }
+
+            return false;
+        }
     }
 
     internal static class MeshExtensions
@@ -185,37 +196,57 @@ namespace Coffee.UIParticleExtensions
 
     internal static class ParticleSystemExtensions
     {
-        public static void SortForRendering(this List<ParticleSystem> self, Transform transform)
+        public static void SortForRendering(this List<ParticleSystem> self, Transform transform, bool sortByMaterial)
         {
             self.Sort((a, b) =>
             {
                 var tr = transform;
-                var ra = a.GetComponent<ParticleSystemRenderer>();
+                var aRenderer = a.GetComponent<ParticleSystemRenderer>();
-                var rb = b.GetComponent<ParticleSystemRenderer>();
+                var bRenderer = b.GetComponent<ParticleSystemRenderer>();
 
-                if (!Mathf.Approximately(ra.sortingFudge, rb.sortingFudge))
+                // Render queue: ascending
-                    return ra.sortingFudge < rb.sortingFudge ? 1 : -1;
+                var aMat = aRenderer.sharedMaterial ?? aRenderer.trailMaterial;
+                var bMat = bRenderer.sharedMaterial ?? bRenderer.trailMaterial;
+                if (!aMat && !bMat) return 0;
+                if (!aMat) return -1;
+                if (!bMat) return 1;
 
-                var pa = tr.InverseTransformPoint(a.transform.position).z;
+                if (sortByMaterial)
-                var pb = tr.InverseTransformPoint(b.transform.position).z;
+                    return aMat.GetInstanceID() - bMat.GetInstanceID();
 
-                if (!Mathf.Approximately(pa, pb))
+                if (aMat.renderQueue != bMat.renderQueue)
-                    return pa < pb ? 1 : -1;
+                    return aMat.renderQueue - bMat.renderQueue;
 
-                var aQueue = ra.sharedMaterial.renderQueue;
+                // Sorting layer: ascending
-                var bQueue = rb.sharedMaterial.renderQueue;
+                if (aRenderer.sortingLayerID != bRenderer.sortingLayerID)
-                if (aQueue != bQueue)
+                    return aRenderer.sortingLayerID - bRenderer.sortingLayerID;
-                    return aQueue < bQueue ? 1 : -1;
 
-                var aHash = ra.sharedMaterial.GetHashCode();
+                // Sorting order: ascending
-                var bHash = rb.sharedMaterial.GetHashCode();
+                if (aRenderer.sortingOrder != bRenderer.sortingOrder)
-                if (aHash != bHash)
+                    return aRenderer.sortingOrder - bRenderer.sortingOrder;
-                    return aHash < bHash ? 1 : -1;
 
-                return 0;
+                // Z position & sortingFudge: descending
+                var aTransform = a.transform;
+                var bTransform = b.transform;
+                var aPos = tr.InverseTransformPoint(aTransform.position).z + aRenderer.sortingFudge;
+                var bPos = tr.InverseTransformPoint(bTransform.position).z + bRenderer.sortingFudge;
+                if (!Mathf.Approximately(aPos, bPos))
+                    return (int) Mathf.Sign(bPos - aPos);
+
+                return (int) Mathf.Sign(GetIndex(self, a) - GetIndex(self, b));
             });
         }
 
+        private static int GetIndex(IList<ParticleSystem> list, Object ps)
+        {
+            for (var i = 0; i < list.Count; i++)
+            {
+                if (list[i].GetInstanceID() == ps.GetInstanceID()) return i;
+            }
+
+            return 0;
+        }
+
         public static long GetMaterialHash(this ParticleSystem self, bool trail)
         {
             if (!self) return 0;

package.json

@@ -2,7 +2,7 @@
   "name": "com.coffee.ui-particle",
   "displayName": "UI Particle",
   "description": "This plugin provide a component to render particle effect for uGUI.\nThe particle rendering is maskable and sortable, without Camera, RenderTexture or Canvas.",
-  "version": "3.0.0",
+  "version": "3.3.5",
   "unity": "2018.2",
   "license": "MIT",
   "repository": {