CODEWITHSUNDEEP
unity-game-enginemrtk
FearlessFox
FearlessFox

Reputation: 174

How to InputClickEvent with MRTK v2 C#

I had HoloToolkit-Unity-2017.4.3.0-Refresh in my project but some in the built in scripts has gone obsolete. I worked around this and recently added an OnInputClicked method but when trying to build this there were so many error in other scripts that I changed to MRTK v2.

I looked around a bit but couldn't seem to find any tutorials on how to make a click event for HoloLens device in any of MRTK v2s documentation. IInputHandler is no longer in the MRTK, but does IMixedRealityInputHandler work the same?

The code below is how the clickEvent used to look like with the HoloToolkit. Is it still the same with MRTK v2? 

public void OnInputClicked(InputEventData eventData)
{ 
   ...
}

Also is this sufficient enough to trigger other methods or do I have to add the click event in the void Update()-ish? Another also - is this enough for triggering a click event through the hololens?

Thanks!

Upvotes: 0

Views: 2136

Answers (2)

Kurtis
Kurtis

Reputation: 73

There's an HTK to MRTK porting guide in the documentation: https://microsoft.github.io/MixedRealityToolkit-Unity/Documentation/HTKToMRTKPortingGuide.html#interface-and-event-mappings

This contains an interface mapping table, which should help migrate prefabs and interfaces from HTK to MRTK v2.

As far as this specific case, IMixedRealityPointerHandler is indeed what you're looking for, if you need to know when a specific button (assigned to a specific pointer) has been clicked. If you're just looking to know when any button has been released, IMixedRealityInputHandler might be a better choice for you.

Upvotes: 1

derHugo
derHugo

Reputation: 90580

I looked into it and apprently it changed (?) to

public class NewBehaviourScript : MonoBehaviour, IMixedRealityInputHandler
{
    public void OnInputUp(InputEventData eventData)
    {

    }

    public void OnInputDown(InputEventData eventData)
    {

    }
}

Or maybe you rather want the IMixedRealityPointerHandler

public class NewBehaviourScript : MonoBehaviour, IMixedRealityPointerHandler
{
    public void OnPointerUp(MixedRealityPointerEventData eventData)
    {

    }

    public void OnPointerDown(MixedRealityPointerEventData eventData)
    {

    }

    public void OnPointerClicked(MixedRealityPointerEventData eventData)
    {

    }
}

and than yes that should afaik be enough to get those methods called (ofcourse it also needs a Collider somewhere on the GameObject or its children).

Here you can find a complete overview over what Input is available in MRTK 2 and how to set it up.

Upvotes: 1

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