extends Area2D

@export var speed = 150
var shader_active = false

func start(pos):
    position = pos

func _process(delta):
    position.y += speed * delta

func _on_visible_on_screen_notifier_2d_screen_exited():
    queue_free()

func _on_area_entered(area):
    if area.name == "Player":
        queue_free()
        shader_active = true
        $Player.ship.material.set_shader_param("toggle", 1.0)
        shader_active = false
        $Player.ship.material.set_shader_param("toggle", 0.0)
        area.shield -= 1