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Mention performance caveats about `find_node()` and `find_parent()` 

See https://github.com/godotengine/godot-proposals/issues/1303.
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Hugo Locurcio 2020-08-06 14:20:45 +02:00
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doc/classes/Node.xml
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@ -194,6 +194,7 @@
Finds a descendant of this node whose name matches [code]mask[/code] as in [method String.match] (i.e. case-sensitive, but [code]"*"[/code] matches zero or more characters and [code]"?"[/code] matches any single character except [code]"."[/code]).
[b]Note:[/b] It does not match against the full path, just against individual node names.
If [code]owned[/code] is [code]true[/code], this method only finds nodes whose owner is this node. This is especially important for scenes instantiated through a script, because those scenes don't have an owner.
[b]Note:[/b] As this method walks through all the descendants of the node, it is the slowest way to get a reference to another node. Whenever possible, consider using [method get_node] instead. To avoid using [method find_node] too often, consider caching the node reference into a variable.
</description>
</method>
<method name="find_parent" qualifiers="const">
@ -204,6 +205,7 @@
<description>
Finds the first parent of the current node whose name matches [code]mask[/code] as in [method String.match] (i.e. case-sensitive, but [code]"*"[/code] matches zero or more characters and [code]"?"[/code] matches any single character except [code]"."[/code]).
[b]Note:[/b] It does not match against the full path, just against individual node names.
[b]Note:[/b] As this method walks upwards in the scene tree, it can be slow in large, deeply nested scene trees. Whenever possible, consider using [method get_node] instead. To avoid using [method find_parent] too often, consider caching the node reference into a variable.
</description>
</method>
<method name="get_child" qualifiers="const">