内容太多，懒得写

package.json

@@ -5,7 +5,8 @@
   "main": "index.js",
   "types": "index.d.ts",
   "dependencies": {
-    "color": "^3.1.2"
+    "color": "^3.1.2",
+    "howler": "^2.1.2"
   },
   "devDependencies": {
     "dts-bundle": "^0.7.3",

src/2d/display/Container.ts

@@ -180,6 +180,14 @@ export default class Container extends DisplayObject {
 		return index;
 	}
 
+	/**
+	 * 是否含有child
+	 * @param child
+	 */
+	contains(child: DisplayObject):boolean{
+		return !!this.getChildIndex(child);
+	}
+
 	/**
 	 * 设置child的层级
 	 * @param {DisplayObject} child

src/2d/display/DisplayObject.ts

@@ -5,6 +5,7 @@ import { Point } from "../math/Point";
 import { Event } from "../events/Event";
 import Graphics from '../graphics/Graphics';
 import { DEG_TO_RAD, RAD_TO_DEG } from '../const';
+import {Stage} from "./Stage";
 
 /**
  * 基础显示对象抽象类
@@ -36,7 +37,7 @@ export class DisplayObject extends EventDispatcher {
     /**
      * 舞台
      */
-    stage: any;
+    stage: Stage;
 
     /**
      * 名字,预留

src/2d/display/FloatDisplay.ts

@@ -2,6 +2,8 @@ import {Event} from "../events/Event";
 import {DisplayObject} from "./DisplayObject";
 import {devicePixelRatio} from "../const";
 
+let container;
+
 /**
  * 此类对于需要在canvas上放置html其他类型元素的时候非常有用<br/>
  * 比如有时候我们需要放置一个注册,登录或者其他的内容.这些内容包含了输入框<br/>
@@ -22,7 +24,7 @@ export class FloatDisplay extends DisplayObject {
 	 * @since 1.0.0
 	 * @type{HtmlElement}
 	 */
-	public htmlElement: any = null;
+	private _htmlElement: any = null;
 	/**
 	 * 是否已经添加了舞台事件
 	 * @property _isAdded
@@ -75,19 +77,26 @@ export class FloatDisplay extends DisplayObject {
 		let s = this;
 		s._instanceType = "FloatDisplay";
 		s.addEventListener(Event.REMOVED_FROM_STAGE, function (e: Event) {
-			if (s.htmlElement) {
-				s.htmlElement.style.display = "none";
+			if (s._htmlElement) {
+				s._htmlElement.style.display = "none";
 			}
 		});
 		s.addEventListener(Event.ADDED_TO_STAGE, function (e: Event) {
-			if (s.htmlElement) {
-				let style = s.htmlElement.style;
+			if(!container){
+				container = document.createElement('div');
+				container.style.position = "absolute";
+				container.style.left = "0";
+				container.style.top = "0";
+				s.stage.rootDiv.appendChild(container);//, s.stage.rootDiv.childNodes[0]
+			}
+			if (s._htmlElement) {
+				let style = s._htmlElement.style;
 				if (!s._isAdded) {
 					s._isAdded = true;
-					s.stage.rootDiv.insertBefore(s.htmlElement, s.stage.rootDiv.childNodes[0]);
+					container.appendChild(s._htmlElement);
 					s.stage["_floatDisplayList"].push(s);
 				} else {
-					if (s.htmlElement && s.visible) {
+					if (s._htmlElement && s.visible) {
 						style.display = "block";
 					}
 				}
@@ -97,6 +106,15 @@ export class FloatDisplay extends DisplayObject {
 		this._transformID = -1;
 	}
 
+	get htmlElement() {
+		return this._htmlElement;
+	}
+
+	set htmlElement(v) {
+		this.init(v);
+		this.updateStyle();
+	}
+
 	/**
 	 * 初始化方法,htmlElement 一定要设置width和height样式,并且一定要用px单位
 	 * @method init
@@ -104,7 +122,7 @@ export class FloatDisplay extends DisplayObject {
 	 * @since 1.0.0
 	 * @param {HtmlElement} htmlElement 需要封装起来的html元素的引用。你可以通过这个引用来调用或设置此元素自身的属性方法和事件,甚至是样式
 	 */
-	public init(htmlElement: any): void {
+	protected init(htmlElement: any): void {
 		let s = this;
 		let she: any;
 		if (typeof (htmlElement) == "string") {
@@ -131,7 +149,7 @@ export class FloatDisplay extends DisplayObject {
 		// s._bounds.height = h;
 		s._localBoundsSelf.width = w;
 		s._localBoundsSelf.height = h;
-		s.htmlElement = she;
+		s._htmlElement = she;
 	}
 
 	/**
@@ -163,7 +181,7 @@ export class FloatDisplay extends DisplayObject {
 	 */
 	public updateStyle(): void {
 		let s = this;
-		let o = s.htmlElement;
+		let o = s._htmlElement;
 		if (o) {
 			let style = o.style;
 			let visible = s.visible;
@@ -201,14 +219,14 @@ export class FloatDisplay extends DisplayObject {
 	public destroy(): void {
 		//清除相应的数据引用
 		let s = this;
-		let elem = s.htmlElement;
+		let elem = s._htmlElement;
 		if (elem) {
 			elem.style.display = "none";
 			if (elem.parentNode) {
 				elem.parentNode.removeChild(elem);
 			}
 			s._isAdded = false;
-			s.htmlElement = null;
+			s._htmlElement = null;
 		}
 		let sf: any = s.stage["_floatDisplayList"];
 		let len = sf.length;

src/2d/display/Sprite.ts

@@ -371,30 +371,30 @@ export default class Sprite extends Container {
 	 * texture的宽度和缩放乘积
 	 * @member {number}
 	 */
-	// get width() {
-	// 	return Math.abs(this.scale.x) * this._texture.orig.width;
-	// }
+	get width() {
+		return Math.abs(this.scale.x) * this._texture.orig.width;
+	}
 
-	// set width(value) {
-	// 	const s = sign(this.scale.x) || 1;
+	set width(value) {
+		const s = sign(this.scale.x) || 1;
 
-	// 	this.scale.x = s * value / this._texture.orig.width;
-	// 	this._width = value;
-	// }
+		this.scale.x = s * value / this._texture.orig.width;
+		this._width = value;
+	}
 
 	/**
 	 * texture的高度和缩放乘积
 	 * @member {number}
 	 */
-	// get height() {
-	// 	return Math.abs(this.scale.y) * this._texture.orig.height;
-	// }
-
-	// set height(value) {
-	// 	const s = sign(this.scale.y) || 1;
-	// 	this.scale.y = s * value / this._texture.orig.height;
-	// 	this._height = value;
-	// }
+	get height() {
+		return Math.abs(this.scale.y) * this._texture.orig.height;
+	}
+
+	set height(value) {
+		const s = sign(this.scale.y) || 1;
+		this.scale.y = s * value / this._texture.orig.height;
+		this._height = value;
+	}
 
 	/**
 	 * 0，0标识左上角，0.5，0.5表示中间，1，1表示右下角

src/2d/display/Stage.ts

@@ -72,7 +72,7 @@ export class Stage extends Container {
 	 * @type {Html Div}
 	 * @default null
 	 */
-	public rootDiv: any = null;
+	public rootDiv: any = HTMLElement;
 	/**
 	 * 当前stage所使用的渲染器
 	 * 渲染器有两种,一种是canvas 一种是webGl
@@ -432,7 +432,7 @@ export class Stage extends Container {
 			s.dispatchEvent(Event.ON_INIT_STAGE);
 			// }
 		}, 100);
-		let rc = s.rootDiv;
+		let rc = canvas;//s.rootDiv;
 		let mouseEvent = s.onMouseEvent.bind(s);
 		//鼠标事件
 		if (osType != "pc") {

src/2d/events/Event.ts

@@ -133,6 +133,26 @@ export class Event extends HashObject {
 	 * @since 1.0.0
 	 */
 	public static PROGRESS: string = "onProgress";
+	/**
+	 * 获取焦点
+	 * @Event
+	 * @property FOCUS
+	 * @type {string}
+	 * @static
+	 * @public
+	 * @since 1.0.0
+	 */
+	public static FOCUS: string = "focus";
+	/**
+	 * 失去焦点
+	 * @Event
+	 * @property BLUR
+	 * @type {string}
+	 * @static
+	 * @public
+	 * @since 1.0.0
+	 */
+	public static BLUR: string = "blur";
 	/**
 	 * 出错事件
 	 * @Event

src/2d/loader/Loader.ts

@@ -113,6 +113,10 @@ export class Loader extends EventDispatcher {
 		}
 		this.caches[name] = data;
 	}
+
+	get(name: string){
+		return this.caches[name];
+	}
 }
 
 async function fetchAsync(url: string) {

src/2d/text/InputText.ts

@@ -9,7 +9,7 @@ import {TextField} from "./TextField";
  * @class InputText
  * @public
  * @since 1.0.0
- * @extends annie.FloatDisplay
+ * @extends FloatDisplay
  */
 export class InputText extends FloatDisplay {
 	/**
@@ -90,7 +90,7 @@ export class InputText extends FloatDisplay {
 	 * @return {void}
 	 * @since 1.0.0
 	 */
-	public init(htmlElement: any): void {
+	protected init(htmlElement: any): void {
 		super.init(htmlElement);
 		//默认设置
 		let s = this;

src/2d/text/TextField.ts

@@ -170,9 +170,9 @@ export class TextField extends Sprite {
 
 	set width(value: number) {
 		if (this._width !== value) {
-			this.dispatchEvent(Event.RESIZE);
 			this._width = value;
 			this.dirty = true;
+			this.dispatchEvent(Event.RESIZE);
 		}
 	}
 
@@ -184,9 +184,9 @@ export class TextField extends Sprite {
 
 	set height(value: number) {
 		if (this._height !== value) {
-			this.dispatchEvent(Event.RESIZE);
 			this._height = value;
 			this.dirty = true;
+			this.dispatchEvent(Event.RESIZE);
 		}
 	}
 
@@ -240,9 +240,7 @@ export class TextField extends Sprite {
 	 * @since 1.0.0
 	 */
 	public set text(value: string) {
-		if (this._text != value) {
-			this._setText(value);
-		}
+		this._setText(value);
 	}
 
 	public get text(): string {
@@ -250,10 +248,12 @@ export class TextField extends Sprite {
 	}
 
 	protected _setText(value) {
-		this._text = value;
-		this.dirty = true;
+		if (this._text != value) {
+			this._text = value;
+			this.dirty = true;
 
-		this.dispatchEvent(Event.RESIZE);
+			this.dispatchEvent(Event.RESIZE);
+		}
 	}
 
 	protected _text: string = "";
@@ -271,7 +271,6 @@ export class TextField extends Sprite {
 			this._font = value;
 			this.dirty = true;
 		}
-		;
 	}
 
 	public get font(): string {

src/2d/texture/BaseTexture.ts

@@ -137,7 +137,7 @@ export default class BaseTexture extends EventDispatcher {
 	update() {
 		this.width = this.source.width;
 		this.height = this.source.height;
-		this.isPowerOfTwo = isPow2(this.width) && isPow2(this.width);
+		this.isPowerOfTwo = isPow2(this.width) && isPow2(this.height);
 		this.dispatchEvent("update")
 	}
 

src/zeroing/decorators/after-constructor.ts

@@ -38,9 +38,8 @@ export function afterConstructor(ctor: Function) {
 		}
 		if(withEvents){
 			if (events) {
-				target.eventsProxy.eventsConfig = events;
+				target.eventsProxy.start(events);
 			}
-			target.eventsProxy.start();
 		}
 
 		for(let child of this.children){

src/zeroing/decorators/events.ts

@@ -28,7 +28,7 @@ export function applyEvents(ctor: Function) {
 	ctor.prototype.applyEvents = function () {
 		let eventsProxy = this.eventsProxy = new EventsProxy(this);
 		for (let k in eventsMapping) {
-			this.addEventListener(k, eventsProxy.onEvent, eventsProxy);
+			this.addEventListener(k, eventsProxy.onBuiltinEvent, eventsProxy);
 		}
 
 		globalEvent.addEventListener(DATA_CENTER_EVENT, eventsProxy.onDateCenterEvent, eventsProxy);
@@ -37,37 +37,56 @@ export function applyEvents(ctor: Function) {
 
 class EventsProxy extends HashObject {
 	host;
-	eventsConfig: any;
+
+	private _eventsConfig: any;
 
 	constructor(host) {
 		super();
 		this.host = host;
 	}
 
-	start() {
-		this.invoke('init', this.host);
+	get eventsConfig() {
+		return this._eventsConfig;
 	}
 
-	invoke(name, target, payload?) {
-		if (this.eventsConfig) {
-			const eventConfig = this.eventsConfig[name];
+	start(eventsConfig) {
+		this._eventsConfig = eventsConfig;
+		for(let name in eventsConfig){
+			globalEvent.addEventListener(name, this.onCustomEvent, this);
+		}
+
+		this.invokeBehavior('init', this.host);
+	}
+
+	invokeBehavior(name, target, payload?) {
+		if (this._eventsConfig) {
+			const eventConfig = this._eventsConfig[name];
 			if (eventConfig) {
-				executeBehavior({
-					main: eventConfig.behaviors[0],
-				}, 'main', target, payload);
+				for(let behavior of eventConfig.behaviors){
+					if(behavior.disabled){
+						continue;
+					}
+					executeBehavior({
+						main: behavior,
+					}, 'main', target, payload);
+				}
 			}
 		}
 	}
 
-	onEvent(e) {
+	onBuiltinEvent(e) {
 		let eventName = eventsMapping[e.type];
 		if (eventName) {
-			this.invoke(eventName, e.target, e.data);
+			this.invokeBehavior(eventName, e.target, e.data);
 		}
 	}
 
+	onCustomEvent(e) {
+		this.invokeBehavior(e.type, this.host, e.data);
+	}
+
 	onDateCenterEvent(e) {
-		this.invoke('data-center', this.host, e.data);
+		this.invokeBehavior('data-center', this.host, e.data);
 	}
 
 	destroy(): void {

src/zeroing/game-warpper/GameStage.ts

@@ -49,7 +49,7 @@ export class GameStage extends Container {
 
 		this.addChild(this._sceneContainer = new StackContainer());
 		this.addChild(blackLayer);
-		this.addChild(this._popupContainer = new StackContainer(false));
+		this.addChild(this._popupContainer = new StackContainer());
 		this.addChild(this._toast = new Toast(this));
 
 		blackLayer.percentWidth = 100;
@@ -98,7 +98,7 @@ export class GameStage extends Container {
 	 * @param onAssetsProgress
 	 * @param onAssetsComplete
 	 */
-	async launch(config, onAssetsProgress?, onAssetsComplete?) {
+	async launch(config, onAssetsProgress?, onAssetsComplete?, onStart?) {
 		this._config = config;
 		const {assets, customs} = config;
 		let loaded = 0;
@@ -128,6 +128,8 @@ export class GameStage extends Container {
 
 		this.start();
 
+		onStart && onStart();
+
 		function p() {
 			loaded++;
 
@@ -150,7 +152,9 @@ export class GameStage extends Container {
 
 		//registerScripts(scripts);
 		//registerCustomModuleFromConfig(customs);
-		this.dataCenter.registerDataMapping(dataMapping);
+		if(dataMapping){
+			this.dataCenter.registerDataMapping(dataMapping);
+		}
 		setProcessMetaLibs(processes, builtinProcesses);
 
 		let sceneEntry = this.instantiateView(entrySceneView);

src/zeroing/game-warpper/assets-manager.ts

@@ -32,16 +32,22 @@ export function loadAssets(config, onProgress?, onComplete?) {
 		config.map(assetConfig => {
 			assetsConfig.push(assetConfig);
 			const loadFunc = loaderMapping[assetConfig.ext] || 'Raw';
-			let method = globalLoader['load' + loadFunc] || globalLoader.loadRaw;
-			return method.call(globalLoader, assetConfig.url, assetConfig.uuid).then(
-				(data)=>{
-					loaded++;
-					onProgress && onProgress(loaded, total);
-				},
-				(error)=>{
-					failedList.push(assetConfig.url);
-				}
-			);
+			let method = globalLoader['load' + loadFunc];
+			if(method){
+				return method.call(globalLoader, assetConfig.url, assetConfig.uuid).then(
+					(data)=>{
+						loaded++;
+						onProgress && onProgress(loaded, total);
+					},
+					(error)=>{
+						failedList.push(assetConfig.url);
+					}
+				);
+			}else{
+				loaded++;
+				onProgress && onProgress(loaded, total);
+				return Promise.resolve();
+			}
 		})
 	).then(
 		() => {

src/zeroing/game-warpper/index.ts

@@ -6,3 +6,5 @@ export * from './GameStage'
 export * from './enviroment'
 export * from './custom-module'
 export * from './nodes'
+export * from './sound'
+export * from './assets-manager'

src/zeroing/game-warpper/nodes/Image.ts

@@ -31,21 +31,20 @@ export class Image extends Sprite {
 		let url = this._source;
 		if(url.indexOf('://') >= 0){ //如果是有协议的地址
 			if (url.indexOf(assetScheme) === 0) {
-				let uuid = url.replace(assetScheme, '');
+				url = url.replace(assetScheme, '');
 				/*const assetConfig = getAssetByUUID(uuid);
 				if(assetConfig){
 					url = assetConfig.url;
 					this.texture = Texture.fromImage(url);
 				}*/
-				this.texture = Texture.from(uuid);
 			}
 		} else{ //否则就使用素材名
 			const assetConfig = getAssetByName(url);
 			if(assetConfig){
 				url = assetConfig.url;
 			}
-			this.texture = Texture.fromImage(url);
 		}
+		this.texture = Texture.fromImage(url);
 	}
 
 	private _setSourceDirect(value){

src/zeroing/game-warpper/nodes/TextInput.ts

+/**
+ * Created by rockyl on 2019-12-13.
+ */
+import {Label} from "./Label";
+import {MouseEvent} from "../../../2d/events/MouseEvent";
+import {Event} from "../../../2d/events/Event";
+import {FloatDisplay} from "../../../2d/display/FloatDisplay";
+import {TextField} from "../../../2d/text";
+import {Point} from "../../../2d/math";
+import {VERTICAL_ALIGN} from "../../..";
+
+export class TextInput extends Label {
+	private _floatDisplay: FloatDisplay;
+	private _placeholderLabel: TextField;
+	private _input: any;
+	private _placeholder: string = '';
+	private _placeholderColor: any = '#666666';
+	private _maxLength: number;
+
+	private _oldFillColor;
+	private _oldStrokeColor;
+
+	constructor() {
+		super();
+
+		this.setup();
+		this.addEventListener(MouseEvent.CLICK, this.onClickStatic, this);
+		this.addEventListener(Event.RESIZE, this.onResize, this);
+
+		this.text = '';
+	}
+
+	get placeholder(): string {
+		return this._placeholder;
+	}
+
+	set placeholder(value: string) {
+		this._placeholder = value;
+		this._placeholderLabel.text = value;
+	}
+
+	get placeholderColor(): any {
+		return this._placeholderColor;
+	}
+
+	set placeholderColor(value: any) {
+		this._placeholderColor = value;
+		this._placeholderLabel.fillColor = value;
+	}
+
+	get maxLength(): number {
+		return this._maxLength;
+	}
+
+	set maxLength(value: number) {
+		if(this._maxLength != value){
+			this._maxLength = value;
+			this.setMaxLength();
+		}
+	}
+
+	private setup() {
+		let fd = this._floatDisplay = new FloatDisplay();
+		let input = this._input = document.createElement('input');
+		fd.htmlElement = input;
+		fd.alpha = 0;
+		input.style.pointerEvents = 'none';
+
+		let style = input.style;
+		style.outline = 'none';
+		style.padding = '0';
+		style.border = '0';
+		style.backgroundColor = 'transparent';
+
+		input.type = 'text';
+		input.addEventListener('blur', this.onBlur);
+
+		let pl = this._placeholderLabel = new TextField();
+		pl.fillColor = this._placeholderColor;
+
+		this.verticalAlign = pl.verticalAlign = VERTICAL_ALIGN.MIDDLE;
+
+		this.addChild(fd);
+	}
+
+	protected _setText(value) {
+		super._setText(value);
+
+		this.setMaxLength();
+
+		setTimeout(() => {
+			this.showPlaceholderLabel(value)
+		}, 1);
+	}
+
+	private setMaxLength() {
+		let value = this._text;
+		let maxLength = this._maxLength;
+		if (maxLength > 0 && value && value.length > maxLength) {
+			this.text = value.substr(0, maxLength);
+		}
+	}
+
+	private showPlaceholderLabel(value) {
+		let pl = this._placeholderLabel;
+		if(value){
+			let pl = this._placeholderLabel;
+			if (pl.parent) {
+				pl.parent.removeChild(pl);
+			}
+		}else{
+			if (!pl.parent) {
+				pl.text = this._placeholder;
+				pl.size = this.size;
+				pl.font = this.font;
+				this.addChildAt(pl, 0);
+			}
+		}
+	}
+
+	setFocus() {
+		let fd = this._floatDisplay;
+		let input = this._input;
+		let pl = this._placeholderLabel;
+
+		fd.width = this.width;
+		fd.height = this.height;
+
+		input.value = this.text;
+		let style = input.style;
+		style.fontSize = this.size + 'px';
+		style.color = this.fillColor;
+		style.width = this.width + 'px';
+		style.height = this.height + 'px';
+		style.fontFamily = this.font;
+
+		this._oldFillColor = this.fillColor;
+		this._oldStrokeColor = this.strokeColor;
+		this.fillColor = 'transparent';
+		this.strokeColor = 'transparent';
+
+		if (pl.parent) {
+			pl.parent.removeChild(pl);
+		}
+		//this.addChild(this._floatDisplay);
+
+		this._floatDisplay.alpha = 1;
+		input.style.pointerEvents = 'auto';
+
+		if(this._maxLength > 0){
+			input.maxLength = this._maxLength;
+		}else{
+			input.removeAttribute('maxLength')
+		}
+
+		input.focus();
+
+		this.dispatchEvent(Event.FOCUS);
+	}
+
+	setBlur() {
+		let input = this._input;
+
+		this._floatDisplay.alpha = 0;
+		input.style.pointerEvents = 'none';
+
+		input.blur();
+
+		this.text = input.value;
+
+		this.fillColor = this._oldFillColor;
+		this.strokeColor = this._oldStrokeColor;
+
+		this.dispatchEvent(Event.BLUR);
+	}
+
+	private onBlur = (e) => {
+		this.setBlur();
+	};
+
+	private onClickStage(e){
+		if(e.currentTarget !== this){
+			this.setBlur();
+		}
+	}
+
+	private onClickStatic() {
+		this.setFocus();
+		this.stage.once(MouseEvent.CLICK, this.onClickStage, this);
+	}
+
+	private onResize() {
+		let pl = this._placeholderLabel;
+		pl.width = this.width;
+		pl.height = this.height;
+	}
+
+	public static _bp: Point = new Point();
+
+	/**
+	 * 检测点是否在任何child上
+	 * 重写父类方法
+	 */
+	hitTestPoint(globalPoint: Point, isMouseEvent: boolean = false) {
+		const s = this;
+		//如果不可见
+		if (!this.visible) return null;
+		//如果禁止子级的鼠标事件
+		if (isMouseEvent && !this.mouseChildren) return null;
+		if (!isMouseEvent) {
+			//如果不是系统调用则不考虑这个点是从全局来的，只认为这个点就是当前要碰撞测试同级别下的坐标点
+			if (s._localBoundsSelf.isPointIn(globalPoint)) {
+				return s;
+			}
+		} else {
+			let {x, y} = s.globalToLocal(globalPoint, TextInput._bp);
+			if (x > 0 && x < s.width && y > 0 && y < s.height) {
+				return s;
+			}
+		}
+
+		return null;
+	}
+}

src/zeroing/game-warpper/nodes/index.ts

@@ -5,4 +5,5 @@
 export * from './shapes'
 export * from './Image'
 export * from './Label'
+export * from './TextInput'
 export * from './ScrollView'
\ No newline at end of file

src/zeroing/game-warpper/sound.ts

+/**
+ * Created by rockyl on 2019-12-16.
+ */
+import {getAssetByUUID} from "./assets-manager";
+import {Howl, Howler} from 'howler';
+import {injectProperties} from "../utils";
+
+const instances = {};
+
+export function playSound(uuid, options = {}, name?) {
+	let assetConfig = getAssetByUUID(uuid);
+	if (assetConfig) {
+		let url = assetConfig.url;
+
+		let opts: any = {
+			src: [url],
+			autoplay: true,
+		};
+
+		injectProperties(opts, options);
+
+		let sound = new Howl(opts);
+
+		if (name !== undefined) {
+			instances[name] = sound;
+			sound.on('end', function () {
+				delete instances[name];
+			});
+		}
+
+		return sound;
+	}
+}
+
+export function stopSound(name){
+	let sound = instances[name];
+	if(sound){
+		sound.stop();
+		delete instances[name];
+	}
+}

src/zeroing/index.ts

@@ -13,6 +13,8 @@ export * from './web'
 export * from './log-switch'
 import {instantiate} from './game-warpper/view-interpreter'
 
+export {Howl, Howler} from 'howler';
+
 export {
 	instantiate
 }

src/zeroing/node-utils.ts

@@ -7,10 +7,12 @@ export function findNodeByUUID(node, uuid) {
 		return node;
 	}
 
-	for (let child of node.children) {
-		let target = findNodeByUUID(child, uuid);
-		if (target) {
-			return target;
+	if(node.children && node.children.length > 0){
+		for (let child of node.children) {
+			let target = findNodeByUUID(child, uuid);
+			if (target) {
+				return target;
+			}
 		}
 	}
 }