| BaseBrushTool |
| _dirtyRegion | |
| _dragging | |
| _parent | |
| _snapshot | |
| StrokePlane | World space plane of the first stroke so we can use it for stuff like the flatten tool |
| AllowBrushInvert | Should we allow inverting the brush opacity by holding Ctrl? |
| Mode | Which sculpting mode are we using right now? |
| GetHitPosition | |
| OnPaint | |
| OnPaintEnded | |
| OnPaintStart | |
| OnUpdate |