HL2Interactions.idl

namespace HL2UnityPlugin
{
    enum HandJointIndex
    {
        Palm,
        Wrist,
        ThumbMetacarpal,
        ThumbProximal,
        ThumbDistal,
        ThumbTip,
        IndexMetacarpal,
        IndexProximal,
        IndexIntermediate,
        IndexDistal,
        IndexTip,
        MiddleMetacarpal,
        MiddleProximal,
        MiddleIntermediate,
        MiddleDistal,
        MiddleTip,
        RingMetacarpal,
        RingProximal,
        RingIntermediate,
        RingDistal,
        RingTip,
        PinkyMetacarpal,
        PinkyProximal,
        PinkyIntermediate,
        PinkyDistal,
        PinkyTip,
        Count,
    };

    enum HandIndex
    {
        Left,
        Right,
        Count,
    };

    runtimeclass HL2Interactions
    {
        HL2Interactions();  // must be called in UnityEngine.WSA.Application.InvokeOnUIThread

        void SetReferenceCoordinateSystem(Windows.Perception.Spatial.SpatialCoordinateSystem refCoord);

        void Update(Windows.Perception.PerceptionTimestamp timestamp);

        // Head tracking
        Windows.Foundation.Numerics.Matrix4x4 GetHeadTransform();

        // Hand tracking
        Boolean IsHandTracked(HandIndex handIndex);
        Boolean IsJointTracked(HandIndex handIndex, HandJointIndex jointIndex);
        Windows.Foundation.Numerics.Matrix4x4 GetOrientedJoint(HandIndex handIndex, HandJointIndex jointIndex);
        
        // Eye tracking
        void EnableEyeTracking();
        Boolean IsEyeTrackingEnabled();
        Boolean IsEyeTrackingActive();
        Windows.Foundation.Numerics.Vector4 GetEyeGazeOrigin();
	    Windows.Foundation.Numerics.Vector4 GetEyeGazeDirection();
    }
}