title: invalid get index 'global_transform' (on base: NodePath)
body: <p>I have a node in my scene called hitpoint which I want a MeshInstance to look at</p>
  <p>this is my code here:</p>
  <pre><code>extends MeshInstance
  
  export(NodePath) var hit_point
  
  func _process(delta):
      look_at(hit_point.global_transform.origin, Vector3.UP)
  </code></pre>
  <p>and this is the error that I keep getting, despite having assigned the variable hit_point to the hitpoint node.</p>
  <pre><code>invalid get index 'global_transform' (on base: NodePath)
  </code></pre>