Automatic NavMesh generation is a feature of the SDK available in the SceneExplorer. The NavMesh, as its name implies, is a mesh in which pathfinding can be applied to have AIs navigate through the game world. The generator takes a set of input values and, based on these, will create a mesh that stretches around obstacles. It can be seen as painted lines that the AI can use to know where it's safe to walk.
The feature is available through a plugin, which we have to download first. Refer to the Downloading the plugins section in Appendix, Information Fragments.
NavMesh
will shortly appear in the list, and selecting it will display its reach. Blue lines indicate navigable paths.The method by which the generator works is controllable by the large number of settings available. It can be difficult to know how they all affect the result, and what kind of result we're after, anyway. The best way is simply to test different parameters until a desired result is achieved. Each line is a path the pathfinder can follow, and there should be no isolated islands. The less lines there are in the mesh, the more restricted the AI will be. Remember, that different settings are optimal for different scenes.
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