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Doc: Update accessing-nodes.rst

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Serhii Snitsaruk 2024-02-18 20:50:09 +01:00
parent c8ad4dc956
commit d393784bbe
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doc/source/getting-started/accessing-nodes.rst
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Accessing nodes in the scene tree
=================================
There are several ways to access nodes in the agent's scene tree (agent is the owner of :ref:`BTPlayer<class_BTPlayer>` node):
There are several ways to access nodes in the agent's scene tree.
1. You can export a :ref:`BBNode<class_BBNode>` variable:
**🛈 Note:** Agent is the owner of :ref:`BTPlayer<class_BTPlayer>` node.
With ``BBNode`` property
------------------------
.. code:: gdscript
@export var cast: BBNode
@export var cast_param: BBNode
func _tick(delta) -> Status:
var node: ShapeCast3D = cast.get_value(agent, blackboard)
var node: ShapeCast3D = cast_param.get_value(agent, blackboard)
2. You can export a ``NodePath``
With ``NodePath`` property
--------------------------
.. code:: gdscript
@export var cast_path: NodePath
var _shape_cast: ShapeCast3D
func _setup() -> void:
_shape_cast = agent.get_node(cast_path)
func _tick(delta) -> Status:
var node: ShapeCast3D = agent.get_node(cast_path)
3. You can :ref:`create a blackboard variable<editing_plan>` in the editor with the type ``NodePath``
Using blackboard plan
---------------------
You can :ref:`create a blackboard variable<editing_plan>` in the editor with the type ``NodePath``
and point it to the proper node in the :ref:`BTPlayer<class_BTPlayer>` blackboard plan.
.. code:: gdscript