laser wall enemy

objects/enemy/laser_wall.gd

@@ -0,0 +1,33 @@
+extends "res://objects/enemy/enemy_move_sidesideupdown.gd"
+
+export var laser_rate = 1.0
+export var laser_time = 0.5
+
+onready var line = $Laser
+onready var cast = $RayCast2D
+onready var timer = $Timer
+
+func _ready():
+	_disable_laser()
+
+func _physics_process(delta):
+	if cast.is_colliding():
+		line.points[1].y = line.to_local(cast.get_collision_point()).y
+		line.visible = true
+		var collider = cast.get_collider()
+		if collider.is_in_group("player"):
+			collider.get_parent().die()
+	else:
+		line.visible = false
+
+func _enable_laser():
+	cast.enabled = true
+	timer.wait_time = laser_time
+	timer.connect("timeout", self, "_disable_laser", [], CONNECT_ONESHOT)
+	timer.start()
+
+func _disable_laser():
+	cast.enabled = false
+	timer.wait_time = laser_rate
+	timer.connect("timeout", self, "_enable_laser", [], CONNECT_ONESHOT)
+	timer.start()