Attention: Here be dragons

This is the latest (unstable) version of this documentation, which may document features not available in or compatible with released stable versions of Godot.

Checking the stable version of the documentation...

支持不同角色类型

要支持不同的角色类型，例如尺寸不同的角色，每种类型的角色都需要有各自的导航地图、使用合适的代理半径以及高度烘焙导航网格。也可以使用相同的做法来区分地面行走、水中游泳、空中飞翔的代理。

备注

代理专门由半径和高度值定义，用于烘焙导览网格、寻路和回避。不支持更复杂的形状。

GDScript

# Create a navigation mesh resource for each actor size.
var navigation_mesh_standard_size: NavigationMesh = NavigationMesh.new()
var navigation_mesh_small_size: NavigationMesh = NavigationMesh.new()
var navigation_mesh_huge_size: NavigationMesh = NavigationMesh.new()

# Set appropriated agent parameters.
navigation_mesh_standard_size.agent_radius = 0.5
navigation_mesh_standard_size.agent_height = 1.8
navigation_mesh_small_size.agent_radius = 0.25
navigation_mesh_small_size.agent_height = 0.7
navigation_mesh_huge_size.agent_radius = 1.5
navigation_mesh_huge_size.agent_height = 2.5

# Get the root node to parse geometry for the baking.
var root_node: Node3D = get_node("NavigationMeshBakingRootNode")

# Create the source geometry resource that will hold the parsed geometry data.
var source_geometry_data: NavigationMeshSourceGeometryData3D = NavigationMeshSourceGeometryData3D.new()

# Parse the source geometry from the scene tree on the main thread.
# The navigation mesh is only required for the parse settings so any of the three will do.
NavigationServer3D.parse_source_geometry_data(navigation_mesh_standard_size, source_geometry_data, root_node)

# Bake the navigation geometry for each agent size from the same source geometry.
# If required for performance this baking step could also be done on background threads.
NavigationServer3D.bake_from_source_geometry_data(navigation_mesh_standard_size, source_geometry_data)
NavigationServer3D.bake_from_source_geometry_data(navigation_mesh_small_size, source_geometry_data)
NavigationServer3D.bake_from_source_geometry_data(navigation_mesh_huge_size, source_geometry_data)

# Create different navigation maps on the NavigationServer.
var navigation_map_standard: RID = NavigationServer3D.map_create()
var navigation_map_small: RID = NavigationServer3D.map_create()
var navigation_map_huge: RID = NavigationServer3D.map_create()

# Set the new navigation maps as active.
NavigationServer3D.map_set_active(navigation_map_standard, true)
NavigationServer3D.map_set_active(navigation_map_small, true)
NavigationServer3D.map_set_active(navigation_map_huge, true)

# Create a region for each map.
var navigation_region_standard: RID = NavigationServer3D.region_create()
var navigation_region_small: RID = NavigationServer3D.region_create()
var navigation_region_huge: RID = NavigationServer3D.region_create()

# Add the regions to the maps.
NavigationServer3D.region_set_map(navigation_region_standard, navigation_map_standard)
NavigationServer3D.region_set_map(navigation_region_small, navigation_map_small)
NavigationServer3D.region_set_map(navigation_region_huge, navigation_map_huge)

# Set navigation mesh for each region.
NavigationServer3D.region_set_navigation_mesh(navigation_region_standard, navigation_mesh_standard_size)
NavigationServer3D.region_set_navigation_mesh(navigation_region_small, navigation_mesh_small_size)
NavigationServer3D.region_set_navigation_mesh(navigation_region_huge, navigation_mesh_huge_size)

# Create start and end position for the navigation path query.
var start_pos: Vector3 = Vector3(0.0, 0.0, 0.0)
var end_pos: Vector3 = Vector3(2.0, 0.0, 0.0)
var use_corridorfunnel: bool = true

# Query paths for each agent size.
var path_standard_agent = NavigationServer3D.map_get_path(navigation_map_standard, start_pos, end_pos, use_corridorfunnel)
var path_small_agent = NavigationServer3D.map_get_path(navigation_map_small, start_pos, end_pos, use_corridorfunnel)
var path_huge_agent = NavigationServer3D.map_get_path(navigation_map_huge, start_pos, end_pos, use_corridorfunnel)