Cleaned up laser.gd and made plasma bool functional again

Laser.gd

@@ -7,25 +7,19 @@ export (int) var DAMAGE
 var plasma = false
 var current_pen = 0
 
-# class member variables go here, for example:
-# var a = 2
-# var b = "textvar"
-
 func _on_Visibility_screen_exited():
     queue_free()
 
 func _ready():
-	# Called every time the node is added to the scene.
-	# Initialization here
 	$AnimatedSprite.play()
 	connect("area_entered", self, "hit")
 	pass
 
 func hit(who):
-	#if plasma == false:
-	#	hide()
-	#	queue_free()
-	if current_pen > 0:
+
+	if plasma == true:
+		pass
+	elif current_pen > 0:
 		current_pen -= 1
 	else:
 		hide()