public void Init(GestureSO gesture1, GestureSO gesture2, float timeBetween, float threshold, bool wait)
{
fistGesture = gesture1;
palmGesture = gesture2;
timeBetweenRecognition = timeBetween;
recognitionThreshold = threshold;
waitForHighConfidenceData = wait;
lastRecognition = timeBetweenRecognition;
prevGesture = null;
curGesture = null;
}
private void CreateGestureAsset(List <Vector3> data = null)
{
#if UNITY_EDITOR
GestureSO asset = ScriptableObject.CreateInstance <GestureSO>();
asset.gestureName = gestureName;
asset.fingerPositions = data;
asset.hand = handToSave;
AssetDatabase.CreateAsset(asset, "Assets/Resources/" + gestureName + ".asset");
AssetDatabase.SaveAssets();
AssetDatabase.Refresh();
EditorUtility.SetDirty(asset);
AssetDatabase.SaveAssets();
EditorUtility.FocusProjectWindow();
Selection.activeObject = asset;
#endif
}
bool CheckRecognition()
{
if (fingerBones.Count == 0)
{
LoadSkeleton();
}
if (fingerBones.Count == 0)
{
return(false);
}
if (!hand.IsTracked)
{
return(false);
}
if (!hand.IsDataHighConfidence && waitForHighConfidenceData)
{
return(false);
}
float sumDistance = 0;
bool isDiscarded = false;
GestureSO gesture = recognitionState < 0 ? gestureToRecognize1 : gestureToRecognize2;
for (int i = 0; i < fingerBones.Count; i++)
{
Vector3 currentData = skeleton.transform.InverseTransformPoint(fingerBones[i].Transform.position);
float distance = Vector3.Distance(gesture.fingerPositions[i], currentData);
if (distance > recognitionThreshold)
{
return(false);
}
sumDistance = distance;
}
Debug.Log("Gesture recognized with sum distance of: " + sumDistance);
return(true);
}
// -1: no gesture, 1: throw, 2: grab
public int Triggered(OVRSkeleton skeleton, List <OVRBone> fingerBones, OVRHand hand)
{
if (fistGesture == null || palmGesture == null)
{
return(-1);
}
lastRecognition += Time.deltaTime;
if (lastRecognition < timeBetweenRecognition)
{
return(-1);
}
curGesture = CheckRecognition(skeleton, fingerBones, hand);
if (curGesture != null)
{
if (curGesture.name == palmGesture.name)
{
if (prevGesture == fistGesture && lastRecognition < 5 * timeBetweenRecognition)
{
prevGesture = curGesture;
lastRecognition = 0f;
return(1);
}
}
else
{
if (prevGesture == palmGesture && lastRecognition < 5 * timeBetweenRecognition)
{
prevGesture = curGesture;
lastRecognition = 0f;
return(2);
}
}
prevGesture = curGesture;
lastRecognition = 0f;
}
return(-1);
}
