Namespace UnityEngine.XR.Interaction.Toolkit.Filtering

Classes

XRAngleGazeEvaluator

Evaluates the angle between the Gaze Transform's forward direction and the vector to the target Interactable. The target Interactable with the smallest angle will receive the highest normalized score.

XRBaseTargetFilter

Abstract base class from which all Target Filter behaviours derive. Instances of this class can be assigned to an XRBaseInteractor using the Inspector by setting the Starting Target Filter (startingTargetFilter). This serves as a serializable reference instead of using targetFilter which is not serialized.

XRDistanceEvaluator

Evaluates the Interactor distance from the target Interactable. Targets close to the Interactor will receive a highest score and targets far way will receive a lower score.

XRHoverFilterDelegate

A hover filter that forwards its processing to a delegate (delegateToProcess). Useful to create custom filters by code without needing to create new classes.

XRLastSelectedEvaluator

The last selected target Interactable will receive the highest normalized score. In the moment that an Interactable is selected by any of the linked Interactors, it'll have the highest normalized score of 1. Its normalized score will linearly decrease with time until the score reaches 0 after maxTime seconds.

XRSelectFilterDelegate

A select filter that forwards its processing to a delegate (delegateToProcess). Useful to create custom filters by code without needing to create new classes.

XRTargetEvaluator

Abstract base class from which all Target Evaluators derive. This class evaluates the intention to interact with an Interactable by calculating a score (a float value). Used by the XRTargetFilter behavior which allows the list of valid targets returned by an Interactor to be customized as determined by these evaluators.

XRTargetFilter

Target Filter that uses a list of evaluator objects to filter Interactable targets (candidates) returned by the Interactor each frame. You can edit the evaluator list and the evaluators properties in the Inspector.

Interfaces

IXRHoverFilter

Instances that implement this interface are called hover filters. Hover filters process additional validation checks after the base class hover validation checks are processed. Add a hover filter to the following objects to extend its hover validations:

• XRInteractionManager: to add a global hover filter used to validate all hover interactions in the manager.
• XRBaseInteractor: to add an Interactor hover filter used to validate the hover interactions in the Interactor.
• XRBaseInteractable: to add an Interactable hover filter used to validate the hover interactions in the Interactable.

IXRSelectFilter

Instances that implement this interface are called select filters. Select filters process additional validation checks after the base class select validation checks are processed. Add a select filter to the following objects to extend its select validations:

• XRInteractionManager: to add a global select filter used to validate all select interactions in the manager.
• XRBaseInteractor: to add an Interactor select filter used to validate the select interactions in the Interactor.
• XRBaseInteractable: to add an Interactable select filter used to validate the select interactions in the Interactable.

IXRTargetEvaluatorLinkable

An interface that an XRTargetFilter can implement to receive calls whenever an Interactor links to or unlinks from its filter.
Implement this interface if the evaluator needs to subscribe to events or cache data from the linked Interactors.

IXRTargetFilter

An interface responsible to filter a list of Interactable targets (candidates) for interaction with a linked Interactor.