The Editor become unresponsive and then has very low frame rates after activating the Player Collision view mode in the Small_City_LVL and Large_City_LVL maps in the CitySample project.


The current workaround draw collision shapes within a particular radius using:
p.Chaos.DebugDraw.Enabled 1
p.Chaos.Solver.DebugDrawShapes 1
p.Chaos.DebugDraw.Radius <radius>


Steps to Reproduce
  1. Load the Small_City_LVL or Large Large_City_LVL sample maps
  2. Disable Nanite meshes using Viewport > Show > Nanite > Meshes to workaround issue where Nanite meshes still draw when when Player Collision view mode is active.
  3. Enter Player Collision view mode by changing from Viewport > Lit to Viewport > Player Collision

Editor performance remains as good or better than it was in regular view mode


Editor frametimes sit around 2000+ms

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ComponentUE - Simulation - Debug Tools
Affects Versions5.35.4
CreatedApr 2, 2024
UpdatedApr 4, 2024