// resets the gesture-data state for the given extra gesture
public bool ResetGesture(LeapExtraGestures.ExtraGestures gesture)
{
int index = GetGestureIndex(gesture);
if(index < 0)
return false;
LeapExtraGestures.ExtraGestureData gestureData = extraGesturesData[index];
gestureData.state = 0;
gestureData.jointId = 0;
gestureData.progress = 0f;
gestureData.complete = false;
gestureData.cancelled = false;
gestureData.startTrackingAtTime = Time.realtimeSinceStartup + LeapExtraGestures.Constants.MinTimeBetweenGestures;
extraGesturesData[index] = gestureData;
return true;
}
// return the index of extra gesture in the list, or -1 if not found
private int GetGestureIndex(LeapExtraGestures.ExtraGestures gesture)
{
int listSize = extraGesturesData.Count;
for(int i = 0; i < listSize; i++)
{
if(extraGesturesData[i].gesture == gesture)
return i;
}
return -1;
}
// returns true, if the given extra gesture is complete
public bool IsGestureComplete(LeapExtraGestures.ExtraGestures gesture, bool bResetOnComplete)
{
int index = GetGestureIndex(gesture);
if(index >= 0)
{
LeapExtraGestures.ExtraGestureData gestureData = extraGesturesData[index];
if(bResetOnComplete && gestureData.complete)
{
ResetGesture(gesture);
return true;
}
return gestureData.complete;
}
return false;
}
// returns true, if the given extra gesture is in the list of detected extra gestures
public bool IsGestureDetected(LeapExtraGestures.ExtraGestures gesture)
{
int index = GetGestureIndex(gesture);
return index >= 0;
}
// returns the normalized velocity of the given extra gesture
public Vector3 GetGestureVelocity(LeapExtraGestures.ExtraGestures gesture)
{
int index = GetGestureIndex(gesture);
if(index >= 0)
{
LeapExtraGestures.ExtraGestureData gestureData = extraGesturesData[index];
if(gestureData.completeTime > 0)
{
Vector3 gestureVel = gestureData.gestureDir / gestureData.completeTime;
return gestureVel.normalized;
}
}
return Vector3.zero;
}
// returns true, if the given extra gesture is cancelled
public bool IsGestureCancelled(LeapExtraGestures.ExtraGestures gesture)
{
int index = GetGestureIndex(gesture);
if(index >= 0)
{
LeapExtraGestures.ExtraGestureData gestureData = extraGesturesData[index];
return gestureData.cancelled;
}
return false;
}
// returns the normalized screen position of the given extra gesture
public Vector3 GetGestureScreenPos(LeapExtraGestures.ExtraGestures gesture)
{
int index = GetGestureIndex(gesture);
if(index >= 0)
{
LeapExtraGestures.ExtraGestureData gestureData = extraGesturesData[index];
return gestureData.screenPos;
}
return Vector3.zero;
}
// returns the progress in range [0, 1] of the given extra gesture
public float GetGestureProgress(LeapExtraGestures.ExtraGestures gesture)
{
int index = GetGestureIndex(gesture);
if(index >= 0)
{
LeapExtraGestures.ExtraGestureData gestureData = extraGesturesData[index];
return gestureData.progress;
}
return 0f;
}
// returns the normalized direction of the given extra gesture
public Vector3 GetGestureDirection(LeapExtraGestures.ExtraGestures gesture)
{
int index = GetGestureIndex(gesture);
if(index >= 0)
{
LeapExtraGestures.ExtraGestureData gestureData = extraGesturesData[index];
return gestureData.gestureDir.normalized;
}
return Vector3.zero;
}
// adds a gesture to the list of detected extra gestures
public void DetectGesture(LeapExtraGestures.ExtraGestures gesture)
{
int index = GetGestureIndex(gesture);
if(index >= 0)
DeleteGesture(gesture);
LeapExtraGestures.ExtraGestureData gestureData = new LeapExtraGestures.ExtraGestureData();
gestureData.gesture = gesture;
gestureData.state = 0;
gestureData.jointId = 0;
gestureData.progress = 0f;
gestureData.complete = false;
gestureData.cancelled = false;
extraGesturesData.Add(gestureData);
}
// deletes the given gesture from the list of detected extra gestures
public bool DeleteGesture(LeapExtraGestures.ExtraGestures gesture)
{
int index = GetGestureIndex(gesture);
if(index < 0)
return false;
extraGesturesData.RemoveAt(index);
return true;
}
