extends CharacterBody2D

var target
var speed = 100
var path_name = ""
var projectile_damage

func _physics_process(_delta: float):
	var path_spawner_node = get_tree().get_root().get_node("Main/PathSpawner")
	for i in path_spawner_node.get_child_count():
		if path_spawner_node.get_child(i).name == path_name:
			target = path_spawner_node.get_child(i).get_child(0).get_child(0)

	# another tower destroyed this target
	if !is_instance_valid(target):
		queue_free()
	else:
		target = target.global_position
		velocity = global_position.direction_to(target) * speed
		look_at(target)
		move_and_slide()


func _on_area_2d_body_entered(body: Node2D):
	if "CrawlerSoldier" in body.name:
		body.health -= projectile_damage
		queue_free()