Rotate child relative to parent and a grandchild or great grandchild will leave collision box behind

Physics - May 15, 2019

The collision with meshes appear to be broken in relation to parent and a grandchild or great grandchild collision boxes. ...

Contact offset multiplier no longer working

Physics - May 10, 2019

Changes in physics code have caused rolling objects to behave differently. https://forums.unrealengine.com/development-discussion/content-creation/50364-rolling-ball-jumps-on-flat-surface Conf ...

SetPhysMaterialOverride does not work properly when using Weld Simulated Bodies enabled AttachToComponent func

Physics - May 7, 2019

When using Weld Simulated Bodies enabled AttachToComponent func, the child Primitive Component's BodyIstance ActorHandle is released. As a result, in BodyInstance.cpp, the judgment of FPhysicsComman ...

PVehicleDrive not null-ed in UWheeledVehicleMovementComponent::OnDestroyPhysicsState

Physics - Apr 30, 2019

PVehicleDrive is not null-ed during OnDestroyPhysicsState, which can lead to crashes during future function calls. ...

Phat Mirroring does not work correctly

Physics - Apr 25, 2019

There are various issues with mirroring in phat. Some issues are:Incorrect transforms(translation rotation and scaling) for both constraints and bodiesModifying un-selected constraints' angular lim ...

Missing warning when dynamically simulating actor without physics enabled

Physics - Apr 18, 2019

Warnings are logged when a body without physics collision enabled is set to simulate via the editor, but not when set programmatically during play. ...

Physics/Animation blending does not update collision

Physics - Apr 16, 2019

Setting bodies physics blend weight, blends an animation with physics simulation but does not update the collision bodies to match as is expected, instead the collision bodies are at their fully sim ...

Character standing on physics object causes severe glitches

Physics - Apr 12, 2019

Trying to stand on an object with physics enabled using the default third person template causes some very weird behavior. The object and character will jitter wildly and launch either one far away. ...

Zero Length Raycasts/Sweeps not returning hits

Physics - Apr 11, 2019

Sweeps/Raycasts do not return hits for zero length queries. This is a regression from 4.21, where zero length Sweeps/Raycasts correctly returned hits. ...

Crash when applying Radial force to a BSP when Radial force is set to affect World static

Physics - Apr 10, 2019

If a radial force component applies force to a BSP the editor will crash. The radial force will need to be set to affect world static objects. ...