Unreal Engine Issues
Unreal Engine Issues
ChaosWheeledVehicleMovementComponent is breaking the const CDO contract and changes to the instances are being applied to the CDO
UE - Simulation - Gameplay - Apr 28, 2025As described by the licensee, the const CDO contract is being broken on ChaosWheeledVehicleMovementComponent. The issue the licensee is facing is that by spawning cars with different configurations, ...
In Vehicle sims, CenterOfMass override isn't factored into UpdateMassProperties
UE - Simulation - Gameplay - Mar 24, 2025Origin from this UDN ticket, https://udn.unrealengine.com/s/question/0D5QP00000sGtbO0AS/chaosvehiclemovementcomponent-intertia-tensor-isnt-adjusted-for-center-of-mass-override?fromCase=1 TLDR is th ...
Chaos Modular Vehicles Examples desynchronizes easily
UE - Simulation - Gameplay - Feb 27, 2025Chaos Modular Vehicles Examples does not replicate properly and it's easy to reach a state of desynchronization where the state stops being replicated and position/rotation of cars mismatch. As an ...
Replicating a non-root component with simulate physics enabled causes the component to be in the wrong place on spawn, on clients.
UE - Simulation - Gameplay - Jan 20, 2025When a BP spawns another, if the spawned Actor has a non-root child component that is simulating physics, on clients, immediately after spawn, the child component will have the world position double ...
City Sample vehicle does not always produce an EndOverlap Event
UE - Simulation - Gameplay - Apr 23, 2024Reported on UDN: Something in the setup of the City Sample vehicles means that if a vehicle starts inside a Box Collider Component then it won't generate an EndOverlap when exiting. Vehicles in ge ...
Request to ensure all setup parameters have units described in tooltips
UE - Simulation - Gameplay - Jan 22, 2024UDN customer requests that all parameters have units in their tooltips. Need to do a sweep and check what might be missing. This is not a regression, the information will have never been their in t ...
Chaos Vehicle wheel output data does not include the wheel forces
UE - Simulation - Gameplay - Oct 5, 2023This is more of a feature request than a bug. From a UDN customer. The output from the simulation to the game thread does not include the force that has been applied at each wheel. It would be pref ...
Third person camera lag issue for vehicle in multiplayer
UE - Simulation - Gameplay - Jun 9, 2023There's a vehicle/third person camera stutter observed as the vehicle corners. The issue appears worse with Physics Async mode enabled, and less perceptible with this mode disabled. This video was ...
A Kinematic controlled vehicle is not rendering correctly when it has a non-identity transform.
UE - Simulation - Gameplay - Mar 27, 2023There are issues with the vehicles rendered position when it is being moved in a kinematic manner, i.e, forcibly moving a vehicle (not simulating it) using either FChaosEngineInterface::SetKinemati ...
Vehicle clutch not fully simulated in Chaos Vehicle Plugin
UE - Simulation - Gameplay - Mar 27, 2023There is no manual clutch control exposed to users. For completeness this should be available via blueprint in the same way that the settering, throttle and brake are user controlled. ...