Setting the Collision Response of an instanced actor through the Details panel overrides the Construction Script setting

UE - Simulation - Physics - Jun 23, 2020

The collision response of an actor can be changed through the Details panel of the instanced actor and this overrides the collision response settings that were set through the Construction Script. ...

Damping properties lost during change to the collision configuration.

UE - Simulation - Physics - May 18, 2020

See UDN (https://udn.unrealengine.com/questions/573845/setcollisionenabled-on-skeletal-mesh-ragdoll-requi.html) ...

Spline Mesh Collision doesn't work in packaged game when spawning them at runtime

UE - Simulation - Physics - May 18, 2020

Spline Mesh Components lose their collision in a packaged game when spawning them at runtime, or modifying them via 'Set Start and End' function at runtime. ...

Ragdoll stops mid-air when activated during root animation

UE - Simulation - Physics - May 1, 2020

Crash if the setting of PhysicalAnimationComponent is changed in the same frame as teleport processing

UE - Simulation - Physics - Apr 24, 2020

Crash when ApplyPhysicalAnimationProfileBelow node and UPhysicalAnimationComponent :: UpdateTargetActors by UPhysicalAnimationComponent :: OnTeleport run in the same frame. Because RuntimeInstanceDa ...

AddForce behaves inconsistently between PIE and Standalone Game / Build

UE - Simulation - Physics - Apr 23, 2020

This example consists of a simple BP Actor, containing a Collision Sphere and Static Mesh (Sphere). The BP has Simulate Physics Ticked on, the Mass in KG is 1 and collision preset is set to Block Al ...

UProceduralMeshComponent::UpdateMeshSection does not call UProceduralMeshComponent::UpdateCollision

UE - Simulation - Physics - Apr 20, 2020

Updating a procedural mesh results in an incomplete collision update. Collision bounds appear to get updated properly, but collision data is not updated, despite a navigation rebuild being triggered ...

Lost triangles when creating convex collisions

UE - Simulation - Physics - Mar 11, 2020

Uncrouching a character on a physics object causes the character to penetrate the object only when physics substepping is enabled

UE - Simulation - Physics - Mar 10, 2020

This does not repro when physics substepping is disabled. The sequence of events in the character uncrouch code (UCharacterMovementComponent::UnCrouch) causes the capsule to move up then increase i ...