Method updateViewport

modules/core/src/controllers/map-controller.ts:630–648

(
    newControllerState: MapState,
    extraProps: Record<string, any> | null = null,
    interactionState: InteractionState = {}
  )

  }

  protected updateViewport(
    newControllerState: MapState,
    extraProps: Record<string, any> | null = null,
    interactionState: InteractionState = {}
  ): void {
    // Inject rotation pivot position during rotation for visual feedback
    const state = newControllerState.getState();
    if (interactionState.isDragging && state.startRotateLngLat) {
      interactionState = {
        ...interactionState,
        rotationPivotPosition: state.startRotateLngLat
      };
    } else if (interactionState.isDragging === false) {
      // Clear pivot when drag ends
      interactionState = {...interactionState, rotationPivotPosition: undefined};
    }

    super.updateViewport(newControllerState, extraProps, interactionState);
  }

  /** Add altitude to rotateStart params based on rotationPivot mode */
  protected _getAltitude = (pos: [number, number]): number | undefined => {