Volume EncompassesPoint is broken in Chaos

UE - Simulation - Physics - Oct 26, 2020

While investigating an issue with Cull Distance Volumes, I noticed thatĀ AVolume::EncompassesPoint has a broken default implementation when WITH_PHYSX is not defined. If only chaos is enabled it will ...

Kinematic in Physics Asset Overrides Bone Scale of Skeletal Meshes

UE - Simulation - Physics - Oct 7, 2020

In a character's Physics Asset, a bone that is set to Kinematic and its children will have a scale of 1 overriding the Skeletal Mesh's Scale Transform settings. When the root of the body is changed ...

Changing the collision response type of an instanced actor using a public variable in the construction script does not change the response type

UE - Simulation - Physics - Aug 27, 2020

Changing a public variable which is setup in the construction script of an actor to set the actor's collision response type does not change the actor's collision response type. The response type rem ...

Crash when destroying a geometry collection actor

UE - Simulation - Physics - Aug 7, 2020

When an actor with geometry collection is destroyed, the engine doesn't remove elements from array in the ChaosSolver So illegal references occurs. Removing element with following quick fix code ...

Negative scale with non 0 rotation doesn't work.

UE - Simulation - Physics - Jul 28, 2020

Assertion failed: Engine crushes when a geometry collection hits a landscape

UE - Simulation - Physics - Jul 27, 2020

This is because THeightField::PhiWithNormal has not been implemented yet. ...

Body Instance property changes made in construction scripts are not applied

UE - Simulation - Physics - Jul 17, 2020

7054614 was submitted to fix an issue with not being able to modify physics properties on instanced blueprints child components. This is related to [Link Removed]. This change causes BodyInstance t ...

ChaosDestructionDemo packages cannot be created in 4.25.1

UE - Simulation - Physics - Jul 17, 2020