_buildings
_buildings: any = {}
_destroyed
_destroyed: boolean = false
_dirty
_dirty: boolean = true
_minDistance
_minDistance: number = 2000
_roofColor
_roofColor: Color
_scene
_scene: Scene
_viewer
_viewer: Viewer
_wallColor
_wallColor: Color
dataSource
dataSource: BuildingDataSource
debugElements
debugElements: any = []
show
show: boolean = true