ture, pixelBuffer} = this;

      // set the view offset to represent just a single pixel under the mouse
      const pixelRatio = renderer.getPixelRatio();
      camera.setViewOffset(
          renderer.getContext().drawingBufferWidth,   // full width
          renderer.getContext().drawingBufferHeight,  // full top
          cssPosition.x * pixelRatio | 0,             // rect x
          cssPosition.y * pixelRatio | 0,             // rect y
          1,                                          // rect wid