函数 step

示例

await nextAsync(cancelsManager, async cancelsManager => {
      cancelsManager.disposer.dispose(czmViewer.interaction.pointerMoveEvent.disposableOn(pointerEvent => {
          computePickingInfo(pointerEvent, scene, mainCoordinates, coordinatesEditor.axisSnapPixelSize, pickingInfo);
          setCoordinatesColor(mainCoordinates, pickingInfo.constraintMode);
      }));

      await nextAsync(cancelsManager, cancelsManager => {
          return new Promise<void>(resolve => {
              cancelsManager.disposer.dispose(czmViewer.interaction.pointerDownEvent.disposableOn(pointerEvent => {
                  computePickingInfo(pointerEvent, scene, mainCoordinates, coordinatesEditor.axisSnapPixelSize, pickingInfo);
                  if (pickingInfo.constraintMode !== 'none') {
                      resolve();
                  }
              }));
          });
      });
  });
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