extends CharacterBody2D

var target : CharacterBody2D
var speed : int
var projectile_damage : int

func _physics_process(_delta: float):
	if !is_instance_valid(target):
		queue_free()
	else:
		_move_projectile()

func _on_area_2d_body_entered(body: Node2D):
	if "Crawler" in body.name:
		body.deal_damage(projectile_damage)
		queue_free()

func _move_projectile():
	var pos : Vector2
	pos = target.global_position
	velocity = global_position.direction_to(pos) * speed
	look_at(pos)
	move_and_slide()