Moving objects
A lot can happen in 0.2 seconds. A person entering your view might take less than 0.2 seconds to walk out of that view again. Cars passing by will also be gone in less than that time. A co-worker might enter the room and stand in front of you. Or, he might get bored and walk away again. All these things cause a change in the spatial mapping. Fast-moving things tend to get ignored: it usually takes a couple of scans for the system to decide things have changed. This is a good thing if you want to ignore the car passing by, but it might be a bad thing if you want to occlude your virtual object because your colleague stands in the way. You will see that at the first second the object will be visible before the newly arrived obstacle. ...
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