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- extends Marker3D
- const Line3D = preload("res://line3d.gd")
- @export var character_speed := 10.0
- @export var show_path := true
- @onready var _nav_agent := $NavigationAgent3D as NavigationAgent3D
- var _nav_path_line : Line3D
- func _ready():
- _nav_path_line = Line3D.new()
- add_child(_nav_path_line)
- _nav_path_line.set_as_top_level(true)
- func _physics_process(delta):
- if _nav_agent.is_navigation_finished():
- return
- var next_position := _nav_agent.get_next_path_position()
- var offset := next_position - global_position
- global_position = global_position.move_toward(next_position, delta * character_speed)
- # Make the robot look at the direction we're traveling.
- # Clamp y to 0 so the robot only looks left and right, not up/down.
- offset.y = 0
- look_at(global_position + offset, Vector3.UP)
- func set_target_position(target_position: Vector3):
- _nav_agent.set_target_position(target_position)
- # Get a full navigation path with the NavigationServer API.
- if show_path:
- var start_position := global_transform.origin
- var optimize := true
- var navigation_map := get_world_3d().get_navigation_map()
- var path := NavigationServer3D.map_get_path(
- navigation_map,
- start_position,
- target_position,
- optimize)
- _nav_path_line.draw_path(path)
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