extends KinematicBody2D

var fall = false
export var fall_speed = 0.5
onready var startpos = position
onready var fall_timer = $FallTimer
onready var refresh_timer = $RefreshTimer
onready var crush_area = $CrushArea
onready var collision_shape = $CollisionShape2D
onready var anims = $AnimationPlayer

func _physics_process(delta):
	#Fall
	if fall:
		position.y += fall_speed
	#Crush the player
	for area in crush_area.get_overlapping_areas():
		if area.is_in_group("player"):
			var player = area.get_parent()
			if player.is_on_floor():
				player.die()
	#Play animation when disappearing
	if !refresh_timer.is_stopped() && refresh_timer.get_time_left() <= 0.6:
		anims.play("disappear")

func _on_Area2D_area_entered(area):
	if area.is_in_group("player"):
		fall_timer.start()


func _on_VisibilityNotifier2D_screen_exited():
	position = startpos
	fall = false

func _on_RefreshTimer_timeout():
	collision_shape.disabled = true # disable collision
	# re-enable collision and set position at end of frame
	call_deferred("set_position", startpos)
	collision_shape.call_deferred("set_disabled", false)
	fall = false
	anims.play("idle")

func _on_FallTimer_timeout():
	fall = true
	refresh_timer.start()


func _on_Area2D_area_exited(area):
	fall_timer.stop()