# \#input **URL:** https://forum.magicleap.cloud/tag/input/40.md [Latest](https://forum.magicleap.cloud/latest.md) · [Categories](https://forum.magicleap.cloud/categories.md) · [Tags](https://forum.magicleap.cloud/tags.md) --- ## [XR Ray cast ignoring canvas buttons](https://forum.magicleap.cloud/t/xr-ray-cast-ignoring-canvas-buttons/6153)
**Author:** [@eric\_engineer](https://forum.magicleap.cloud/u/eric_engineer)\ **Replies:** 1\ **Last updated:** [August 4, 2025, 4:52pm UTC](https://forum.magicleap.cloud/t/xr-ray-cast-ignoring-canvas-buttons/6153 "2025-08-04T16:52:59Z")
I have my right hand Controller under XR Origin set up as my ML2 controller. right now I can move the controller around and the draw ray interacts with the 3D cube I have in there. As in the ray shortens when it hits i… --- ## [How do operational hours impact position and orientation accuracy in Magic Leap 2?](https://forum.magicleap.cloud/t/how-do-operational-hours-impact-position-and-orientation-accuracy-in-magic-leap-2/5170)
**Author:** [@hiroumi](https://forum.magicleap.cloud/u/hiroumi)\ **Replies:** 1\ **Last updated:** [February 7, 2025, 5:03pm UTC](https://forum.magicleap.cloud/t/how-do-operational-hours-impact-position-and-orientation-accuracy-in-magic-leap-2/5170 "2025-02-07T17:03:42Z")
How much error in position and orientation does the Magic Leap 2 accumulate over time as it operates? Are there specific metrics, such as mm/h for position and °/h for orientation, that quantify the drift per hour? --- ## [Controller tracking degrades or fails](https://forum.magicleap.cloud/t/controller-tracking-degrades-or-fails/4983)
**Author:** [@SidFernandez](https://forum.magicleap.cloud/u/SidFernandez)\ **Replies:** 6\ **Last updated:** [January 14, 2025, 8:30pm UTC](https://forum.magicleap.cloud/t/controller-tracking-degrades-or-fails/4983 "2025-01-14T20:30:06Z")
I have an issue in an app that I am working on. The controller tracking seems inconsistent, and degrades over time/distance. Moving from room to room will cause the ray to drift from the actual controller, if the contro… --- ## [About clicking the gameobject with magic leap 2 controller trigger button](https://forum.magicleap.cloud/t/about-clicking-the-gameobject-with-magic-leap-2-controller-trigger-button/4881)
**Author:** [@acharya](https://forum.magicleap.cloud/u/acharya)\ **Replies:** 1\ **Last updated:** [January 6, 2025, 5:38pm UTC](https://forum.magicleap.cloud/t/about-clicking-the-gameobject-with-magic-leap-2-controller-trigger-button/4881 "2025-01-06T17:38:54Z")
Hi everyone, How to select the game object in the scene using magic leap controller trigger ? I am using vuforia eyewear sample for model tracking where the UX/UI used is from mixed reality. After placing the model on… --- ## [Controller Tracking Issues](https://forum.magicleap.cloud/t/controller-tracking-issues/4694)
**Author:** [@ARTLLC](https://forum.magicleap.cloud/u/ARTLLC)\ **Replies:** 9\ **Last updated:** [December 11, 2024, 4:34pm UTC](https://forum.magicleap.cloud/t/controller-tracking-issues/4694 "2024-12-11T16:34:45Z")
We created a racquet mount for our ML2 sports app. When the ML2 controller is mounted there is a delay, which causes problems with our physics engine. When the controller is unmounted, the controller tracks just fine. Th… --- ## [Controller stops tracking when hand is not on controller (when hand tracking is enabled)](https://forum.magicleap.cloud/t/controller-stops-tracking-when-hand-is-not-on-controller-when-hand-tracking-is-enabled/4484)
**Author:** [@shijin](https://forum.magicleap.cloud/u/shijin)\ **Replies:** 19\ **Last updated:** [October 23, 2024, 9:27pm UTC](https://forum.magicleap.cloud/t/controller-stops-tracking-when-hand-is-not-on-controller-when-hand-tracking-is-enabled/4484 "2024-10-23T21:27:53Z")
Hey ! So, the project that I am working on uses the controller to track a real world object by mounting the controller on the object. The controller will always be in direct view of the headset. I added hand tracking to … --- ## [How to control the grab interactable length in Magic leap 2](https://forum.magicleap.cloud/t/how-to-control-the-grab-interactable-length-in-magic-leap-2/4248)
**Author:** [@acharya](https://forum.magicleap.cloud/u/acharya)\ **Replies:** 1\ **Last updated:** [September 18, 2024, 4:12pm UTC](https://forum.magicleap.cloud/t/how-to-control-the-grab-interactable-length-in-magic-leap-2/4248 "2024-09-18T16:12:50Z")
Hi everyone, I just check this documentation related to grabbing and interacting with object. Grab Interactable How can I set the length between the object and the controller for which the object is grabbable. (Lets s… --- ## [How to interact with UI button with Magic Leap 2 Trigger button](https://forum.magicleap.cloud/t/how-to-interact-with-ui-button-with-magic-leap-2-trigger-button/4082)
**Author:** [@acharya](https://forum.magicleap.cloud/u/acharya)\ **Replies:** 4\ **Last updated:** [August 29, 2024, 7:41am UTC](https://forum.magicleap.cloud/t/how-to-interact-with-ui-button-with-magic-leap-2-trigger-button/4082 "2024-08-29T07:41:36Z")
Hi everyone, I want to move the model in scene in X,Y,Z direction respectively with the help of the buttons click (UI buttons in canvas) using trigger button of magic leap controller. How can I do this? Below is the my… --- ## [XRIT Does not detect change from Hands to Controllers (ML2)](https://forum.magicleap.cloud/t/xrit-does-not-detect-change-from-hands-to-controllers-ml2/3381)
**Author:** [@Headwall.CW](https://forum.magicleap.cloud/u/Headwall.CW)\ **Replies:** 3\ **Last updated:** [August 22, 2024, 4:43pm UTC](https://forum.magicleap.cloud/t/xrit-does-not-detect-change-from-hands-to-controllers-ml2/3381 "2024-08-22T16:43:03Z")
Our team would like to support as many headsets as possible with as consistent and interaction suite as is feasible. We're looking to use OpenXR and XRIT to achieve this, and want to replicate the same behavior exhibited… --- ## [Questions Regarding Magic Leap 2 and Unreal SDK](https://forum.magicleap.cloud/t/questions-regarding-magic-leap-2-and-unreal-sdk/3863)
**Author:** [@mhakkis](https://forum.magicleap.cloud/u/mhakkis)\ **Replies:** 3\ **Last updated:** [August 1, 2024, 9:27pm UTC](https://forum.magicleap.cloud/t/questions-regarding-magic-leap-2-and-unreal-sdk/3863 "2024-08-01T21:27:59Z")
I have a couple of questions regarding the Magic Leap 2 Unreal 2 SDK. I have built Unreal from the source code (version 5.4.2), and I am using Unreal SDK 1.5 ("Release 1.5.0 is set up to work with the 5.4-release-ml2 br… --- ## [Clicking on button using Controller](https://forum.magicleap.cloud/t/clicking-on-button-using-controller/3812)
**Author:** [@shubhgajjar2004](https://forum.magicleap.cloud/u/shubhgajjar2004)\ **Replies:** 1\ **Last updated:** [July 21, 2024, 5:09am UTC](https://forum.magicleap.cloud/t/clicking-on-button-using-controller/3812 "2024-07-21T05:09:04Z")
Hello community, I want to create a button in the UI that can be clicked using the Magic Leap controller. Here is what I did: I simply dragged the XR Rig package from the Magic Leap SDK package and checked that the re… --- ## [How to use Bumper buttons in Unreal Engine development](https://forum.magicleap.cloud/t/how-to-use-bumper-buttons-in-unreal-engine-development/3737)
**Author:** [@sentomo](https://forum.magicleap.cloud/u/sentomo)\ **Replies:** 1\ **Last updated:** [July 8, 2024, 3:31pm UTC](https://forum.magicleap.cloud/t/how-to-use-bumper-buttons-in-unreal-engine-development/3737 "2024-07-08T15:31:33Z")
I tried running the VR template project on Magic Leap 2 while following the link below. In the VR template project, there is logic to shoot a gun, so I want to treat the Bumper Button as an input in Content/VRTemplate… --- ## [UE 5.3, Can't Find 'MagicLeapController'](https://forum.magicleap.cloud/t/ue-5-3-cant-find-magicleapcontroller/3636)
**Author:** [@benjamin.poynter](https://forum.magicleap.cloud/u/benjamin.poynter)\ **Replies:** 3\ **Last updated:** [June 19, 2024, 6:29pm UTC](https://forum.magicleap.cloud/t/ue-5-3-cant-find-magicleapcontroller/3636 "2024-06-19T18:29:41Z")
Hello All. I have followed the Magic Leap start-up guide from the base (new source engine 5.3, successful fork and build, etc.) and am just at the point where I've successfully built an .apk for ML2 and launched on devic… --- ## [Problems trying to access hand pinch and aim transforms using input actions](https://forum.magicleap.cloud/t/problems-trying-to-access-hand-pinch-and-aim-transforms-using-input-actions/3594)
**Author:** [@thomashall](https://forum.magicleap.cloud/u/thomashall)\ **Replies:** 2\ **Last updated:** [June 4, 2024, 4:47am UTC](https://forum.magicleap.cloud/t/problems-trying-to-access-hand-pinch-and-aim-transforms-using-input-actions/3594 "2024-06-04T04:47:30Z")
Give us as much detail as possible regarding the issue you're experiencing: I am trying to use tracked hand positions to drive my XRi toolkit interactors, as per other platforms. I set up the following test - I added … --- ## [Grabbing objects with Handtracking](https://forum.magicleap.cloud/t/grabbing-objects-with-handtracking/3251)
**Author:** [@rexgatling1988](https://forum.magicleap.cloud/u/rexgatling1988)\ **Replies:** 5\ **Last updated:** [March 5, 2024, 10:27pm UTC](https://forum.magicleap.cloud/t/grabbing-objects-with-handtracking/3251 "2024-03-05T22:27:18Z")
Im having trouble grabbing objects with handtracking besides the controller. I followed the example on this link Hand tracking and gestures - Unity Learn . But it doesnt seem to work. --- ## [Pinch action not working](https://forum.magicleap.cloud/t/pinch-action-not-working/3235)
**Author:** [@aps](https://forum.magicleap.cloud/u/aps)\ **Replies:** 5\ **Last updated:** [February 29, 2024, 3:42pm UTC](https://forum.magicleap.cloud/t/pinch-action-not-working/3235 "2024-02-29T15:42:29Z")
Give us as much detail as possible regarding the issue you're experiencing: Unity Editor version : 2022.3.18f1 ML2 OS version :1.5.0 Unity SDK version :1.12.1 Host OS : (Windows/MacOS) Windows 11 Error messages from… --- ## [XRI Hand controller vs UI](https://forum.magicleap.cloud/t/xri-hand-controller-vs-ui/3035)
**Author:** [@maks](https://forum.magicleap.cloud/u/maks)\ **Replies:** 8\ **Last updated:** [February 16, 2024, 8:43am UTC](https://forum.magicleap.cloud/t/xri-hand-controller-vs-ui/3035 "2024-02-16T08:43:16Z")
Hey everyone Been struggling with this for a while — ML Controller works perfect with it's Ray Interactor and both 3D and UI elements. Where hand controls provided by XRIHand controller do not interact wi…