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Document hiding a Control when its reference point is behind the camera

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See https://github.com/godotengine/godot/issues/1725.
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Hugo Locurcio 2020-10-27 17:35:41 +01:00
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commit b3a6937c0c
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doc/classes/Camera3D.xml
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@ -163,6 +163,13 @@
</argument>
<description>
Returns the 2D coordinate in the [Viewport] rectangle that maps to the given 3D point in worldspace.
[b]Note:[/b] When using this to position GUI elements over a 3D viewport, use [method is_position_behind] to prevent them from appearing if the 3D point is behind the camera:
[codeblock]
# This code block is part of a script that inherits from Node3D.
# `control` is a reference to a node inheriting from Control.
control.visible = not get_viewport().get_camera().is_position_behind(global_transform.origin)
control.rect_position = get_viewport().get_camera().unproject_position(global_transform.origin)
[/codeblock]
</description>
</method>
</methods>