[Fix 1376278] Force read Alive in update when use somewhere else (#302)

* Force read Alive when it's written somewhere

* Update changelog

* Correct version for changelog

Co-authored-by: Paul Demeulenaere <[email protected]>

Author: 2 people

com.unity.visualeffectgraph/CHANGELOG.md

@@ -24,6 +24,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Collision with zero scale lead to undefined behavior [Case 1381562](https://issuetracker.unity3d.com/product/unity/issues/guid/1381562/)
 - Fixed GPU event particle init after restarting VisualEffect [Case 1378335](https://issuetracker.unity3d.com/product/unity/issues/guid/1378335/)
 - No more exception raised when selecting all nodes with CTRL+A and then deleting them
+- Particle Strip without lifetime do not die when Alive is set to false. [Case 1376278](https://issuetracker.unity3d.com/product/unity/issues/guid/1376278/)
 
 ## [13.1.2] - 2021-11-05
 

com.unity.visualeffectgraph/Editor/Models/Contexts/Implementations/VFXBasicUpdate.cs

@@ -186,6 +186,11 @@ public override IEnumerable<VFXAttributeInfo> attributes
                     yield return new VFXAttributeInfo(VFXAttribute.ScaleY, VFXAttributeMode.Read);
                     yield return new VFXAttributeInfo(VFXAttribute.ScaleZ, VFXAttributeMode.Read);
                 }
+
+                if (GetData().IsAttributeUsed(VFXAttribute.Alive))
+                {
+                    yield return new VFXAttributeInfo(VFXAttribute.Alive, VFXAttributeMode.Read);
+                }
             }
         }