Viewer-Core

Viewer:

• Initializes the viewer and loads default or specified assets. Asynchronous

init(): Promise<void>

• Resize the viewer manually. The dimensions will be inherited from the container

resize(): void

• Signal the viewer to render. Required for any external changes

requestRender(): void

• Hook up to viewer events

enum ViewerEvent {
  ObjectClicked = 'object-clicked',
  ObjectDoubleClicked = 'object-doubleclicked',
  DownloadComplete = 'download-complete',
  LoadComplete = 'load-complete',
  LoadProgress = 'load-progress',
  UnloadComplete = 'unload-complete',
  LoadCancelled = 'load-cancelled',
  UnloadAllComplete = 'unload-all-complete',
  Busy = 'busy',
  FilteringStateSet = 'filtering-state-set',
  LightConfigUpdated = 'light-config-updated'
}

/** Data type that gets sent with the ObjectClicked and ObjectDoubleClicked events */
type SelectionEvent = {
  multiple: boolean
  event?: PointerEvent
  hits: Array<{
    node: TreeNode
    point: Vector3
  }>
}

on(eventType: ViewerEvent, handler: (arg) => void)

• Load objects using a Loader*.* Asynchronous

loadObject(loader: Loader, priority?: number, zoomToObject?: boolean): Promise<void>

• Cancels an ongoing load operation by resource ID. Asynchronous

cancelLoad(resourceId: string, unload?: boolean): Promise<void>