public void Update()
{
if (controller == null)
{
return;
}
bool gestureActive = controller.GestureActive();
bool gestureStarted = gestureActive && !gestureActivePreviousFlag;
bool gestureEnded = !gestureActive && gestureActivePreviousFlag;
if (gestureActive)
{
PopulateQueue();
}
if (gestureEnded)
{
List <GTransform> transforms = new List <GTransform>(dataQueue);
metaData = GestureMetaData.GetGestureMetaData(transforms);
transforms = viewNormalizer.Normalize(transforms);
CheckGestures(transforms);
}
else if (gestureStarted)
{
dataQueue.Clear();
SetLineRendererPositions(dataQueue);
OnGestureStartCallback();
}
gestureActivePreviousFlag = gestureActive;
}
/// <summary>
/// Static helper method to convert a list of transforms into a partially complete GestureMetaData object
/// </summary>
/// <param name="transforms">The list of raw GTransform data</param>
/// <returns>Returns a `GestureMetaData` instance with fields populated</returns>
public static GestureMetaData GetGestureMetaData(List <GTransform> transforms)
{
Vector3 min = transforms[0].position;
Vector3 max = transforms[0].position;
Vector3 centroid = new Vector3(0, 0, 0);
float speed = 0.0f;
int count = transforms.Count;
for (int i = 0; i < count; i++)
{
Vector3 pos = transforms[i].position;
min = new Vector3(Math.Min(pos.x, min.x), Math.Min(pos.y, min.y), Math.Min(pos.z, min.z));
max = new Vector3(Math.Max(pos.x, max.x), Math.Max(pos.y, max.y), Math.Max(pos.z, max.z));
centroid += pos;
speed += transforms[i].velocity.magnitude;
}
GestureMetaData ret = new GestureMetaData();
ret.scale = max - min;
ret.centroid = centroid / count;
ret.pointCount = count;
ret.time = transforms[count - 1].time - transforms[0].time;
ret.averageSpeed = speed / count;
return(ret);
}
void OnGestureFailedCallback(GestureMetaData metaData)
{
gestureFailedCallback.Invoke(metaData);
}
void OnGestureCompletedCallback(GestureMetaData metaData)
{
gestureObservedCallback.Invoke(metaData);
}
public void FireEvent(GestureMetaData metaData)
{
completeEvent.Invoke(metaData);
}