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<?xml version="1.0" encoding="UTF-8" ?>
<class name="XRPositionalTracker" inherits="Object" version="4.0">
<brief_description>
A tracked object.
</brief_description>
<description>
An instance of this object represents a device that is tracked, such as a controller or anchor point. HMDs aren't represented here as they are handled internally.
As controllers are turned on and the AR/VR interface detects them, instances of this object are automatically added to this list of active tracking objects accessible through the [XRServer].
The [XRController3D] and [XRAnchor3D] both consume objects of this type and should be used in your project. The positional trackers are just under-the-hood objects that make this all work. These are mostly exposed so that GDNative-based interfaces can interact with them.
</description>
<tutorials>
<link title="VR tutorial index">https://docs.godotengine.org/en/latest/tutorials/vr/index.html</link>
</tutorials>
<methods>
<method name="get_tracker_hand" qualifiers="const">
<return type="int" enum="XRPositionalTracker.TrackerHand">
</return>
<description>
Returns the hand holding this tracker, if known. See [enum TrackerHand] constants.
</description>
</method>
<method name="get_joy_id" qualifiers="const">
<return type="int">
</return>
<description>
If this is a controller that is being tracked, the controller will also be represented by a joystick entry with this ID.
</description>
</method>
<method name="get_mesh" qualifiers="const">
<return type="Mesh">
</return>
<description>
Returns the mesh related to a controller or anchor point if one is available.
</description>
</method>
<method name="get_orientation" qualifiers="const">
<return type="Basis">
</return>
<description>
Returns the controller's orientation matrix.
</description>
</method>
<method name="get_position" qualifiers="const">
<return type="Vector3">
</return>
<description>
Returns the world-space controller position.
</description>
</method>
<method name="get_tracker_id" qualifiers="const">
<return type="int">
</return>
<description>
Returns the internal tracker ID. This uniquely identifies the tracker per tracker type and matches the ID you need to specify for nodes such as the [XRController3D] and [XRAnchor3D] nodes.
</description>
</method>
<method name="get_tracker_name" qualifiers="const">
<return type="StringName">
</return>
<description>
Returns the controller or anchor point's name, if applicable.
</description>
</method>
<method name="get_tracker_type" qualifiers="const">
<return type="int" enum="XRServer.TrackerType">
</return>
<description>
Returns the tracker's type, which will be one of the values from the [enum XRServer.TrackerType] enum.
</description>
</method>
<method name="is_tracking_orientation" qualifiers="const">
<return type="bool">
</return>
<description>
Returns [code]true[/code] if this device is tracking orientation.
</description>
</method>
<method name="is_tracking_position" qualifiers="const">
<return type="bool">
</return>
<description>
Returns [code]true[/code] if this device is tracking position.
</description>
</method>
<method name="get_transform" qualifiers="const">
<return type="Transform">
</return>
<argument index="0" name="adjust_by_reference_frame" type="bool">
</argument>
<description>
Returns the transform combining this device's orientation and position.
</description>
</method>
</methods>
<members>
<member name="rumble" type="float" setter="set_rumble" getter="get_rumble" default="0.0">
The degree to which the tracker rumbles. Ranges from [code]0.0[/code] to [code]1.0[/code] with precision [code].01[/code].
</member>
</members>
<constants>
<constant name="TRACKER_HAND_UNKNOWN" value="0" enum="TrackerHand">
The hand this tracker is held in is unknown or not applicable.
</constant>
<constant name="TRACKER_HAND_LEFT" value="1" enum="TrackerHand">
This tracker is the left hand controller.
</constant>
<constant name="TRACKER_HAND_RIGHT" value="2" enum="TrackerHand">
This tracker is the right hand controller.
</constant>
</constants>
</class>
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