The solution to this example was inspired in part by the fairy tale Hansel and Gretel, specifically, the part where the main characters in the story leave a trail of breadcrumbs to keep track of their location as they are led deep into the forest to be left abandoned. We will implement a similar strategy here; as the user walks, we will drop nodes to keep track of their path, as illustrated in the following figure:
Let's begin our journey--start by updating referenceFrame from SpatialStationaryFrameOfReference to SpatialLocatorAttachedFrameOfReference. Open up the file AssistantItemFinderMain.cs and navigate down to where ...