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Learn ARCore - Fundamentals of Google ARCore by Micheal Lanham

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Environmental understanding

The better an AR application understands the user's reality or the environment around them, the more successful the immersion. We already saw how ARCore uses feature identification in order to track a user's motion. Yet, tracking motion is only the first part. What we need is a way to identify physical objects or surfaces in the user's reality. ARCore does this using a technique called meshing.

We will cover more details about meshing in later chapters, but, for now, take a look at the following figure from Google that shows this meshing operation in action:

Google image showing meshing in action

What we see happening ...

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