extends Area2D

@onready var bullet = $Bullet/Sprite2D

@export var speed = -250
var shader_active = false
var pause = false

func start(pos):
    position = pos

func _process(delta):
    if pause == true: return
    position.y += speed * delta

# Signal checks to see if the bullet leaves the viewport then removes bullet.
func _on_visible_on_screen_notifier_2d_screen_exited() -> void:
  queue_free()

func _on_area_entered(area: Area2D) -> void:
  
  var enemies = get_tree().get_nodes_in_group("enemies")
  
  for enemy in enemies:
    match enemy.enemy_type:
          "crt":
            if area.is_in_group("enemies"):
              print("CRT hit!")
              area.hit_detection()
              queue_free()
            
    
          "shards":
              if area.is_in_group("shards"):
                print("Shards hit!")
                area.hit_detection()
                   
            
    
          "mirror":
              if area.is_in_group("enemies"):
                print("Mirror hit!")
                area.hit_detection()
                queue_free()
                
    
          "chicken":
              if area.is_in_group("enemies"):
                print("Chicken hit!")
                area.hit_detection()
                queue_free()

#func bullet_fx():
    #shader_active = true
    #bullet.material.set_shader_parameter("toggle", 1.0)
    #pause = true
    #await get_tree().create_timer(1).timeout
    #pause = false
    #shader_active = false
    #bullet.material.set_shader_parameter("toggle", 0.0)