I found with a high density of foliage instances, you're able to erase some of them even when Erase Density is set to 1.0

Steps to Reproduce
  1. Open QAGame in UE4Editor
  2. Enable Foliage Mode (Shift+4)
  3. In the Content Browser search for Barrel_02
  4. Drag-n-drop Barrel_02 onto the + Drop Foliage Here section
  5. Adjust the following Paint Tool Settings
    • Brush Size: 256
    • Paint Density: 1.0
    • Erase Density: 1.0
  6. LMB click-n-drag on Floor mesh to cover it with Painted Barrels
  7. Shift+LMB click-n-drag to Erase foliage

Result: User is able to remove foliage instances.

Expected: No foliage instances to be removed

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ComponentTools - Foliage
Affects Versions4.
CreatedAug 19, 2016
UpdatedNov 19, 2019