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Nav Agents bumping when on different heights
Hello, I hope someone can help me out with a difficult problem I'm facing. I was working on having my nav-agents traverse multiple 'floors' so to speak, each with their own separate nav mesh. As the question states, the severe problem I'm facing is that despite being on two separate nav mesh's, appropriately spaced apart, when two nav agents cross paths, they'll continue to bump each other as if they're still right next to each other when they should be able to pass through with no problem because there's nothing blocking their path.
I've attempted adjusting the nav agent's height, but even reducing it to near zero has no effect. They should be able to pass under and over each other with no problem, but they keep colliding for no reason I can discern.
Is there something I've missed, or is simply having multiple levels of nav-mesh's in Unity impossible?