diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0029ab5..37f6bd2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [3.0.0-preview.5](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v3.0.0-preview.4...v3.0.0-preview.5) (2020-02-21)
+
+
+### Bug Fixes
+
+* 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)
+
# [3.0.0-preview.4](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v3.0.0-preview.3...v3.0.0-preview.4) (2020-02-18)
diff --git a/README.md b/README.md
index f430376..16b643f 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@ ParticleEffectForUGUI
This plugin provide a component to render particle effect for uGUI in Unity 2018.2+.
The particle rendering is maskable and sortable, without Camera, RenderTexture or Canvas.
+[](https://openupm.com/packages/com.coffee.ui-particle/)
[](https://github.com/mob-sakai/ParticleEffectForUGUI/releases)
[](https://github.com/mob-sakai/ParticleEffectForUGUI/releases)
@@ -13,11 +14,10 @@ The particle rendering is maskable and sortable, without Camera, RenderTexture o
-<< [Description](#Description) | [WebGL Demo](#demo) | [Download](https://github.com/mob-sakai/ParticleEffectForUGUI/releases) | [Usage](#usage) | [Development Note](#development-note) | [Change log](https://github.com/mob-sakai/ParticleEffectForUGUI/blob/upm/CHANGELOG.md) >>
+<< [Description](#Description) | [WebGL Demo](#demo) | [Installation](#installation) | [Usage](#usage) | [Development Note](#development-note) | [Change log](https://github.com/mob-sakai/ParticleEffectForUGUI/blob/upm/CHANGELOG.md) >>
### What's new? Please see [See changelog ](https://github.com/mob-sakai/ParticleEffectForUGUI/blob/upm/CHANGELOG.md)
### Do you want to receive notifications for new releases? [Watch this repo ](https://github.com/mob-sakai/ParticleEffectForUGUI/subscription)
-### Support me on Patreon! [](https://www.patreon.com/join/2343451?)
@@ -43,10 +43,10 @@ Compares this "Baking mesh" approach with the conventional approach:
#### Features
+* Easy to use: the package is out-of-the-box
* Sort particle effects with uGUI
* No Camera, RenderTexture or Canvas are required
* Masking with Mask or RectMask2D
-* Easy to use
* Support Trail module
* Change alpha with CanvasGroup
* Scaling independent of Transform
@@ -68,9 +68,24 @@ Compares this "Baking mesh" approach with the conventional approach:
-## Install
+## System Requirements
-#### Using UnityPackageManager (for Unity 2018.3 or later)
+Unity 2018.2 or later versions.
+
+
+
+## Installation
+
+#### For Unity 2018.3 or later (Using OpenUPM)
+
+This package is available on [OpenUPM](https://openupm.com).
+You can install it via [openupm-cli](https://github.com/openupm/openupm-cli).
+```
+openupm add com.coffee.ui-particle
+```
+
+
+#### For Unity 2018.3 or later (Using Unity Package Manager)
Find the manifest.json file in the Packages folder of your project and edit it to look like this:
```js
@@ -88,19 +103,32 @@ To update the package, change suffix `#{version}` to the target version.
Or, use [UpmGitExtension](https://github.com/mob-sakai/UpmGitExtension) to install and update the package.
-#### Using zip file (for Unity 2018.2)
+#### For Unity 2018.2
+
+Unity 2018.2 supports embedded packages.
1. Download a source code zip file from [Releases](https://github.com/mob-sakai/ParticleEffectForUGUI/releases) page
-2. Extract and import it into your Unity project
+2. Extract it
+3. Import it under `Packages` directory in your Unity project
## How to play demo
-* Import `UIParticle_Demo.unitypackage` into your project.
-* The demo unitypackage exists in `Assets/Assets/Coffee/UIExtensions/UIParticle` or `Packages/UI Particle`.
-* Open UIParticle_Demo scene and play it.
+#### For Unity 2019.1 or later
+
+1. Open `Package Manager` window
+2. Select `UI Particle` package in package list
+3. Click `Import Sample` button
+4. The demo project is imported into `Assets/Samples/UI Particle/{version}/Demo`
+5. Open `UIParticle_Demo` scene and play it
+
+#### For Unity 2018.4 or earlier
+
+1. Select `Assets/Samples/UI Particle Demo` from menu
+2. The demo project is imported into `Assets/Samples/UI Particle/{version}/Demo`
+3. Open `UIParticle_Demo` scene and play it
@@ -108,7 +136,7 @@ Or, use [UpmGitExtension](https://github.com/mob-sakai/UpmGitExtension) to insta
## Usage
1. Add your particle effect to canvas.
-2. (Option) If you want to mask particles, set a UI shader such as "UI/UIAdditive" to material for ParticleSystem.
+2. (Option) If you want to mask particles, set **a UI shader** such as `UI/UIAdditive` to material for ParticleSystem.
3. Add `UIParticle` component to root particle system of your effect from `Add Component` in inspector.
@@ -119,13 +147,6 @@ Or, use [UpmGitExtension](https://github.com/mob-sakai/UpmGitExtension) to insta
6. Enjoy!
-##### Requirement
-
-* Unity 2018.2+ (Tested in Unity 2018.2.0f2)
-* No other SDK are required
-
-
-
## Development Note
@@ -156,11 +177,21 @@ To prevent this, Use "Animatable Material Property".
+
+## Support
+
+This is an open-source project that I am developing in my free time.
+If you like it, you can support me.
+By supporting, you let me spend more time working on better tools that you can use for free. :)
+
+[](https://www.patreon.com/join/2343451?)
+[](https://github.com/users/mob-sakai/sponsorship)
+
+
## Author
[mob-sakai](https://github.com/mob-sakai)
[](https://twitter.com/intent/follow?screen_name=mob_sakai)
-[](https://www.patreon.com/join/2343451?)
diff --git a/Scripts/UIParticle.cs b/Scripts/UIParticle.cs
index 3e501c4..923ad10 100755
--- a/Scripts/UIParticle.cs
+++ b/Scripts/UIParticle.cs
@@ -333,6 +333,7 @@ namespace Coffee.UIExtensions
List _children = new List();
Matrix4x4 scaleaMatrix = default(Matrix4x4);
Vector3 _oldPos;
+ static readonly Vector3 minimumVec3 = new Vector3(0.0000001f, 0.0000001f, 0.0000001f);
static ParticleSystem.Particle[] s_Particles = new ParticleSystem.Particle[4096];
///
@@ -398,7 +399,7 @@ namespace Coffee.UIExtensions
matrix =
scaleaMatrix
* Matrix4x4.Rotate(rectTransform.rotation).inverse
- * Matrix4x4.Scale(rectTransform.lossyScale).inverse;
+ * Matrix4x4.Scale(rectTransform.lossyScale + minimumVec3).inverse;
break;
case ParticleSystemSimulationSpace.World:
matrix =
diff --git a/package.json b/package.json
index 6bd36e9..a12bc82 100644
--- a/package.json
+++ b/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-preview.4",
+ "version": "3.0.0-preview.5",
"unity": "2018.2",
"license": "MIT",
"repository": {