// Creates a new Multi Target with the data of the Multi Target with the
// given name.
// Returns false if Multi Target does not exist.
public void GetMultiTarget(string name, out MultiTargetData mt)
{
try
{
mt = multiTargets[name];
}
catch
{
throw;
}
}
// Add Multi Target Part to the Multi Target with the given multiTargetName.
public void AddMultiTargetPart(MultiTargetPartData item, string multiTargetName)
{
try
{
MultiTargetData mt = multiTargets[multiTargetName];
mt.parts.Add(item);
}
catch
{
throw;
}
}
public void AddMultiTargetPart(MultiTargetPartData item, string multiTargetName)
{
try
{
MultiTargetData data = this.multiTargets[multiTargetName];
data.parts.Add(item);
}
catch
{
throw;
}
}
private void CreateMultiTargets()
{
// Allocate array for all Multi Targets.
int numMultiTargets = dataSetGetNumTrackableType(
(int)TrackableBehaviour.TrackableType.MULTI_TARGET,
mDataSetPtr);
IntPtr multiTargetDataPtr =
Marshal.AllocHGlobal(Marshal.SizeOf(typeof(MultiTargetData)) * numMultiTargets);
// Copy Multi Target properties from native.
if (dataSetGetTrackablesOfType((int)TrackableBehaviour.TrackableType.MULTI_TARGET,
multiTargetDataPtr, numMultiTargets,
mDataSetPtr) == 0)
{
Debug.LogError("Could not create Multi Target Behaviours");
return;
}
// Create Multi Target Behaviours.
for (int i = 0; i < numMultiTargets; ++i)
{
IntPtr trackablePtr = new IntPtr(multiTargetDataPtr.ToInt32() + i *
Marshal.SizeOf(typeof(MultiTargetData)));
MultiTargetData trackableData = (MultiTargetData)
Marshal.PtrToStructure(trackablePtr, typeof(MultiTargetData));
// Do not overwrite existing Trackables.
if (mTrackableBehaviourDict.ContainsKey(trackableData.id))
{
continue;
}
// QCAR support names up to 64 characters in length, but here we allocate
// a slightly larger buffer:
int nameLength = 128;
System.Text.StringBuilder trackableName = new System.Text.StringBuilder(nameLength);
dataSetGetTrackableName(mDataSetPtr, trackableData.id, trackableName, nameLength);
MultiTargetBehaviour mtb = CreateMultiTarget(trackableData.id, trackableName.ToString());
// Add newly created Multi Target to dictionary.
mTrackableBehaviourDict[trackableData.id] = mtb;
}
Marshal.FreeHGlobal(multiTargetDataPtr);
}
// Set attributes of the Multi Target with the given name.
// If the Multi Target does not yet exist it is created automatically.
public void SetMultiTarget(MultiTargetData item, string name)
{
multiTargets[name] = item;
}
// Creates a new Multi Target with the data of the Multi Target with the
// given name.
// Returns false if Multi Target does not exist.
public void GetMultiTarget(string name, out MultiTargetData mt)
{
try
{
mt = multiTargets[name];
}
catch
{
throw;
}
}
// Set attributes of the Multi Target with the given name.
// If the Multi Target does not yet exist it is created automatically.
public void SetMultiTarget(MultiTargetData item, string name)
{
multiTargets[name] = item;
}
