将Unity WebGL项目导入Angular2组件

Question

我正在寻求将Unity WebGL项目集成到Angular2应用中。将所有这些脚本移至Angular2组件的正确方法是什么？

首先，Unity WebGL像这样导出index.html：

<!DOCTYPE html>
<html lang="en-us">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <title>Unity WebGL Player | Espoo web manager (Prefab preview)</title>
    <link rel="shortcut icon" href="TemplateData/favicon.ico">
    <link rel="stylesheet" href="TemplateData/style.css">
    <script src="TemplateData/UnityProgress.js"></script>  
    <script src="Build/UnityLoader.js"></script>
    <script>
      var gameInstance = UnityLoader.instantiate("gameContainer", "Build/builds.json", {onProgress: UnityProgress});
    </script>
  </head>
  <body>
    <div class="webgl-content">
      <div id="gameContainer" style="width: 960px; height: 600px"></div>
      <div class="footer">
        <div class="webgl-logo"></div>
        <div class="fullscreen" onclick="gameInstance.SetFullscreen(1)"></div>
        <div class="title">Espoo web manager (Prefab preview)</div>
      </div>
    </div>
  </body>
</html>

我开始拆分，首先将样式表移动到模板.css文件中：

@import './webgl-app/TemplateData/style.css';

然后我将javascript移至组件.ts-file：

import { Component, AfterViewInit } from '@angular/core';
import './webgl-app/TemplateData/UnityProgress.js';
import './webgl-app/Build/UnityLoader.js';

declare var UnityLoader: any;
declare var UnityProgress: any;

@Component({
  selector: 'app-unity-prefab-preview',
  templateUrl: './unity-prefab-preview.component.html',
  styleUrls: ['./unity-prefab-preview.component.css']
})
export class UnityPrefabPreviewComponent implements AfterViewInit {
  constructor() {}

  gameInstance: any;

  ngAfterViewInit() {
    this.gameInstance = UnityLoader.instantiate("gameContainer", "./webgl-app/Build/builds.json", { onProgress: UnityProgress });
  }

}

然后是.html模板，我离开了这个：

<div class="webgl-content">
  <div id="gameContainer" style="width: 960px; height: 600px"></div>
</div>

但是，无论我尝试哪种方法（例如，在JS文件上使用'require'，ngAfterViewInit中的行始终会给出错误：“参考错误：未定义UnityLoader”。

应该如何正确完成才能正常工作？

Answer 1

所以我花了相当长的时间在弄乱...

我使用angular / cli @ latest 1.6.5启动并运行它

这里是我的app.component.ts

import { Component, NgZone, OnInit } from '@angular/core';
import * as $ from 'jquery';
declare const UnityLoader;
@Component({
 selector: 'app-root',
 templateUrl: './app.component.html',
 styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit{
public gameObject: any;

constructor(private ngZone: NgZone) {
  window.unity = window.unity || {};
  window.unity.GetUnityNumber = this.randomNumberFromUnity.bind(this);
}

public ngOnInit(): void {
 this.init();
}
public helloUnity() {
 console.log(this.gameObject); // <-- always undefined ?
 this.gameObject.SendMessage('SetText', 'HELLO?');
 }

private init() {
 $.getScript('assets/UnityLoader.js').done(function ( bla , text) {
   this.gameObject = 
   UnityLoader.instantiate('gameContainer','assets/test.json');
   //gameObject not undefined at this stage..
  });
}
private randomNumberFromUnity(input: string) {
  this.ngZone.run(() => {
      console.log('call from unity', input);
 });
}

}

在types.d.ts中，我扩展了window元素。

interface Window {
  unity: any;
}

所以当我打个电话时，我会这样称呼

Application.ExternalCall("unity.GetUnityNumber", rnd);

我现在唯一想念的是团结的呼唤……也许您对此有个想法？

我将unity-build作为私有npm软件包。构建时，所有内容都会复制到资产文件夹中。

Answer 2

我将Unity WebGL的输出简化为

unity-game.html

<body style="margin: 0px">
    <script src="TemplateData/UnityProgress.js"></script>
    <script src="Build/UnityLoader.js"></script>
    <script>
      var gameInstance = UnityLoader.instantiate("gameContainer", "Build/Browser.json", {onProgress: UnityProgress});
    </script>
    <div class="webgl-content">
      <div id="gameContainer" style="width: 800px; height: 600px;"></div>
    </div>
 </body>

并将其加载到iframe中。这给你一个

unsafe value used in a resource URL context

错误。这可以通过使用特殊的iframe Angular组件来解决。

unity-game.component.ts

import { Component, OnInit, Input } from '@angular/core';
import { DomSanitizer, SafeResourceUrl } from '@angular/platform-browser';

@Component({
  selector: 'app-unity-game',
  templateUrl: './unity-game.component.html',
  styleUrls: ['./unity-game.component.css']
})
export class UnityGameComponent implements OnInit {
  @Input()
  url: string;
  urlSafe: SafeResourceUrl;

  constructor(public sanitizer: DomSanitizer) { }

  ngOnInit() {
    this.urlSafe= this.sanitizer.bypassSecurityTrustResourceUrl(this.url);
  }

}

unity-game.component.html

<iframe width="800" height="600" frameBorder="0" [src]="urlSafe"></iframe>

贷给Lrodriguez84： https://stackoverflow.com/a/50863439/719528

然后只需添加该特殊的iframe组件，即可将HTML文件传递到您希望Unity项目出现的任何位置！

<app-unity-game url="assets/unity-game.html"></app-unity-game>

Answer 3

我也对此感到困惑。

似乎未设置您的上下文

$.getScript('assets/UnityLoader.js').done(function ( bla , text) {
   this.gameObject = 
   UnityLoader.instantiate('gameContainer','assets/test.json');
   //gameObject not undefined at this stage..
   // this does not point towards your container
});

解决方案：

$.getScript('assets/UnityLoader.js').done(function ( bla , text) {
    this.gameObject = 
    UnityLoader.instantiate('gameContainer','assets/test.json');
    //gameObject not undefined at this stage and this points to container
}.bind(this));

更多信息：https://docs.unity3d.com/2018.3/Documentation/Manual/webgl-interactingwithbrowserscripting.html

Answer 4

将Unity WebGL添加到您的项目：

1）将WebGL项目导出到Angular项目根目录中的/ unity文件夹（与src级别相同）。将以下文件从Build文件夹复制到/ src / assets / unity：

unity.json
unity.data.unityweb
unity.wasm.code.unityweb
unity.wasm.framework.unityweb

2）在您的angular.json脚本中添加UnityProgress.js和UnityLoader.js：

"scripts": [
  "unity/TemplateData/UnityProgress.js",
  "unity/Build/UnityLoader.js"
],

3）（可选）将style.css添加到您的angular.json样式

"styles": [
  "node_modules/font-awesome/css/font-awesome.css",
  "src/assets/theme.scss",
  "src/styles.scss",
  "unity/TemplateData/style.css"
],

4）将基本的Unity HTML添加到您的component.html：

<div class="webgl-content">
  <div id="unityContainer" style="width: 960px; height: 600px"></div>
  <div class="footer">
    <div class="webgl-logo"></div>
    <div class="fullscreen" (click)="unityInstance.SetFullscreen(1)"></div>
    <div class="title">UnityProject</div>
  </div>
</div>

5）最后，在component.ts：

中实例化unityContainer

import { Component, OnInit, AfterViewInit } from '@angular/core';
declare var UnityLoader: any;

@Component({
  selector: 'app-example',
  templateUrl: './example.component.html',
  styleUrls: ['./example.component.css']
})
export class ExampleComponent implements OnInit, AfterViewInit {
  unityInstance: any;

  constructor() { }

  ngOnInit() { }

  ngAfterViewInit() {
    this.unityInstance = UnityLoader.instantiate("unityContainer", "assets/unity/unity.json");
  }

}

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