[Godot 3] instance scenes from array vars

instance scenes from array vars

# Create 2 scenes 0.tscn and 1.tscn
# Add a Node and call it main
# Add script as below to main

extends Node

var scenes = [0,1]

func _ready():
#	randomize()
	for id in scenes:
		var scene_path = "res://"+str(scenes[id])+".tscn"
#		print("scene path = " + str(scene_path))
		var scene_pre = load(str(scene_path)) # use load instead of preload
		var scene = scene_pre.instance()
		add_child(scene)

func _process(delta):
	pass