Contact Offset no longer appears to have an effect

Physics - Jan 15, 2019

When modifying the contact offset in a project it appears to have no effect. The setting that worked in a previous engine version (4.19) now collide in the same way as the default settings. ...

ComponentSweepMulti returning incomplete HitResults

Physics - Jan 14, 2019

ComponentSweepMulti sweeps each shape of a component, however resets OutHits at the start of a new shape, losing the prior hits, only returning the hits of the last shape swept. This is a regressio ...

Only the last simple collision added to a static mesh is counted for sweep

Physics - Jan 3, 2019

When using multiple simple collisions on a static mesh it appears that sweep only uses the last collision added when calculating when/if to stop. ...

Vehicle destroyed when long stiff value is set to 0

Physics - Jan 3, 2019

When setting the Long Stiff value to 0 for wheels it appears to destroy the actor as soon as the wheel come in contact with the ground ...

Radial Force Breaks Locked Axes

Physics - Dec 24, 2018

Using radial force on an object that has its axes locked will force that object to move regardless of locked settings. ...

Collision Problems on Meshes with Collision Complexity Setting UseComplexAsSimple

Physics - Dec 20, 2018

Collision does not appear to work properly on a static mesh that is set up with UseComplexCollisionAsSimple. ...

Physics Asset ignoring Root Bone Rotation collision in Skeletal Mesh.

Physics - Dec 20, 2018

**Physics collision ignores Capsule Collision, When Skeletal mesh root bone orientation is rotated in the Z-Axis, resulting in unexpected collision behavior.   Screen shot has been attached to de ...

User created constraints have a default joint name of "UserConstraint" that cannot be edited

Physics - Dec 6, 2018

Constraints created by users are all given the same Joint Name of "UserConstraint" and it cannot be edited. This makes referencing these joints individually impossible. Regression?: No This occurs ...

Static Mesh's Simple Collision does not mirror collision orientation when mirrored

Physics - Dec 5, 2018

Created Static Mesh Actor's Simplified Collision boxes do not mirror Collision Orientation when mirrored in the World/Editor. ...

AStaticMeshActor::CheckForErrors using exact compare instead of epsilon

Physics - Dec 5, 2018

AStaticMeshActor::CheckForErrors() is producing slightly incorrect results due to position and scale being exact matched, instead of using an epsilon comparison. Rotation is using Euler angles for ...