August 2018
Intermediate to advanced
794 pages
28h 4m
English
Content preview from Unity 2018 Cookbook - Third Edition
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NPC to travel to destination while avoiding obstacles
The introduction of Unity's NavMeshAgent has greatly simplified the coding for NPC (Non-Player Character) and enemy agent behaviors. In this recipe, we'll add some wall obstacles (scaled cubes), and generate a NavMesh so that Unity knows not to try to walk through walls. We'll then add a NavMeshAgent component to our NPC GameObject, and tell it to head to a stated destination location by intelligently planning and following a path, while avoiding the wall obstacles.
When the Navigation panel is visible, then the Scene panel displays the blue-shaded walkable areas, as well as unshaded, non-walkable areas at the edge of the terrain and around each of the two wall objects:
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