Found the following significant warnings:

  Warning: 'rgl.open' is deprecated.
  Warning: 'rgl.bg' is deprecated.
  Warning: 'rgl::rgl.texts' is deprecated.
  Warning: 'rgl::rgl.texts' is deprecated.
  Warning: 'rgl.planes' is deprecated.
  Warning: 'rgl.planes' is deprecated.
  Warning: 'rgl.planes' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
Found the following significant warnings:

  Warning: 'rgl.open' is deprecated.
  Warning: 'rgl.bg' is deprecated.
  Warning: 'rgl::rgl.texts' is deprecated.
  Warning: 'rgl::rgl.texts' is deprecated.
  Warning: 'rgl.planes' is deprecated.
  Warning: 'rgl.planes' is deprecated.
  Warning: 'rgl.planes' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
Namespace in Imports field not imported from: ‘shape’
  All declared Imports should be used.
Found the following significant warnings:

  Warning: 'rgl.open' is deprecated.
  Warning: 'rgl.bg' is deprecated.
  Warning: 'rgl::rgl.texts' is deprecated.
  Warning: 'rgl::rgl.texts' is deprecated.
  Warning: 'rgl.planes' is deprecated.
  Warning: 'rgl.planes' is deprecated.
  Warning: 'rgl.planes' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
Namespace in Imports field not imported from: ‘shape’
  All declared Imports should be used.
Found the following significant warnings:

  Warning: 'rgl.open' is deprecated.
  Warning: 'rgl.bg' is deprecated.
  Warning: 'rgl::rgl.texts' is deprecated.
  Warning: 'rgl::rgl.texts' is deprecated.
  Warning: 'rgl.planes' is deprecated.
  Warning: 'rgl.planes' is deprecated.
  Warning: 'rgl.planes' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
Found the following significant warnings:

  Warning: 'rgl.open' is deprecated.
  Warning: 'rgl.bg' is deprecated.
  Warning: 'rgl::rgl.texts' is deprecated.
  Warning: 'rgl::rgl.texts' is deprecated.
  Warning: 'rgl.planes' is deprecated.
  Warning: 'rgl.planes' is deprecated.
  Warning: 'rgl.planes' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
Found the following significant warnings:

  Warning: 'rgl.open' is deprecated.
  Warning: 'rgl.bg' is deprecated.
  Warning: 'rgl::rgl.texts' is deprecated.
  Warning: 'rgl::rgl.texts' is deprecated.
  Warning: 'rgl.planes' is deprecated.
  Warning: 'rgl.planes' is deprecated.
  Warning: 'rgl.planes' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
Found the following significant warnings:

  Warning: 'rgl.open' is deprecated.
  Warning: 'rgl.bg' is deprecated.
  Warning: 'rgl::rgl.texts' is deprecated.
  Warning: 'rgl::rgl.texts' is deprecated.
  Warning: 'rgl.planes' is deprecated.
  Warning: 'rgl.planes' is deprecated.
  Warning: 'rgl.planes' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
Namespace in Imports field not imported from: ‘shape’
  All declared Imports should be used.
Namespace in Imports field not imported from: ‘shape’
  All declared Imports should be used.
Found the following significant warnings:

  Warning: 'rgl.open' is deprecated.
  Warning: 'rgl.bg' is deprecated.
  Warning: 'rgl::rgl.texts' is deprecated.
  Warning: 'rgl::rgl.texts' is deprecated.
  Warning: 'rgl.planes' is deprecated.
  Warning: 'rgl.planes' is deprecated.
  Warning: 'rgl.planes' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
Namespace in Imports field not imported from: ‘shape’
  All declared Imports should be used.
Namespace in Imports field not imported from: ‘shape’
  All declared Imports should be used.
Found the following significant warnings:

  Warning: 'rgl.open' is deprecated.
  Warning: 'rgl.bg' is deprecated.
  Warning: 'rgl::rgl.texts' is deprecated.
  Warning: 'rgl::rgl.texts' is deprecated.
  Warning: 'rgl.planes' is deprecated.
  Warning: 'rgl.planes' is deprecated.
  Warning: 'rgl.planes' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.