3D世界中的自动寻路:Navigation与NavigationMeshInstance

• 关键词 Navigation与NavigationMeshInstance

场景结构

代码

• navi_camera

extends Camera

const ray_length : int = 1000

func _input(event):
	if event is InputEventMouseButton and event.pressed and event.button_index == BUTTON_LEFT:
		var from:Vector3 = project_ray_origin(event.position)
		var to:Vector3 = from + project_ray_normal(event.position) * ray_length
		var state:PhysicsDirectSpaceState = get_world().direct_space_state
		var result:Dictionary  = state.intersect_ray(from,to)
		if result:
			get_tree().call_group("navi_agent","move_to",result.position)

• navi_palyer

extends KinematicBody


onready var navi:Navigation = $"/root/navigation_scene/navigation"
var path_array:Array = []
var path_index:int = 0

func _ready():
	add_to_group("navi_agent")

func _physics_process(delta):
	if path_index