33 lines
1.4 KiB
GDScript
33 lines
1.4 KiB
GDScript
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class_name ArenaNavigation
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extends Node
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var map_rid := RID()
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var region_rid := RID()
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var mesh: NavigationMesh
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func setup(resource_path: String) -> void:
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mesh = load(resource_path) as NavigationMesh
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map_rid = NavigationServer3D.map_create()
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NavigationServer3D.map_set_use_async_iterations(map_rid, false)
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NavigationServer3D.map_set_cell_size(map_rid, 0.01)
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NavigationServer3D.map_set_cell_height(map_rid, 0.01)
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NavigationServer3D.map_set_active(map_rid, true)
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region_rid = NavigationServer3D.region_create()
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NavigationServer3D.region_set_use_async_iterations(region_rid, false)
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NavigationServer3D.region_set_use_edge_connections(region_rid, false)
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NavigationServer3D.region_set_navigation_mesh(region_rid, mesh)
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NavigationServer3D.region_set_map(region_rid, map_rid)
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NavigationServer3D.map_force_update(map_rid)
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func nearest(point: Vector3) -> Vector3:
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if NavigationServer3D.map_get_iteration_id(map_rid) == 0: return point
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return NavigationServer3D.map_get_closest_point(map_rid, point)
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func path(from: Vector3, to: Vector3) -> PackedVector3Array:
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if NavigationServer3D.map_get_iteration_id(map_rid) == 0: return PackedVector3Array()
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return NavigationServer3D.map_get_path(map_rid, nearest(from), nearest(to), true)
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func _exit_tree() -> void:
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if region_rid.is_valid(): NavigationServer3D.free_rid(region_rid)
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if map_rid.is_valid(): NavigationServer3D.free_rid(map_rid)
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