Godot进行2D游戏开发入门-音效管理器

extends Node

var curr = 0
var total = 10
var soundMap = {}

func _ready():
	for i in range(total):
		self.add_child(AudioStreamPlayer.new())
	soundMap["laser_gun"] = load("res://assets/sound/laser_gun.mp3")
	soundMap["pistol"] = load("res://assets/sound/pistol.mp3")
	
func play(name : String):
	var sfx = self.get_child(curr)
	if sfx is AudioStreamPlayer:
		if(soundMap[name]):
			sfx.stream = soundMap[name]
			sfx.play()
			curr = (curr+1)%total

func _unhandled_input(event):
	if event is InputEventKey:
		if event.pressed and event.keycode == KEY_J:
			AudioManager.play("pistol")
		if event.pressed and event.keycode == KEY_K:
			AudioManager.play("laser_gun")