|
|
<!DOCTYPE html>
|
|
|
<html lang="zh">
|
|
|
<head>
|
|
|
<meta charset="utf-8" />
|
|
|
<base href="../../../" />
|
|
|
<script src="page.js"></script>
|
|
|
<link type="text/css" rel="stylesheet" href="page.css" />
|
|
|
</head>
|
|
|
<body>
|
|
|
[page:Loader] →
|
|
|
|
|
|
<h1>[name]</h1>
|
|
|
|
|
|
<p class="desc">
|
|
|
一个用于加载JSON格式的字体的类。。返回font, 返回值是表示字体的[page:Shape Shape]类型的数组。
|
|
|
其内部使用[page:FileLoader]来加载文件。 <br /><br />
|
|
|
|
|
|
你可以使用[link:https://gero3.github.io/facetype.js/ facetype.js]来在线转换字体。
|
|
|
</p>
|
|
|
|
|
|
<h2>导入</h2>
|
|
|
|
|
|
<p>
|
|
|
[name] 是一个附加组件，必须显式导入。
|
|
|
See [link:#manual/introduction/Installation Installation / Addons].
|
|
|
</p>
|
|
|
|
|
|
<code>
|
|
|
import { FontLoader } from 'three/addons/loaders/FontLoader.js';
|
|
|
</code>
|
|
|
|
|
|
<h2>代码示例</h2>
|
|
|
|
|
|
<code>
|
|
|
const loader = new FontLoader();
|
|
|
const font = loader.load(
|
|
|
// 资源URL
|
|
|
'fonts/helvetiker_bold.typeface.json',
|
|
|
|
|
|
// onLoad回调
|
|
|
function ( font ) {
|
|
|
// do something with the font
|
|
|
console.log( font );
|
|
|
},
|
|
|
|
|
|
// onProgress回调
|
|
|
function ( xhr ) {
|
|
|
console.log( (xhr.loaded / xhr.total * 100) + '% loaded' );
|
|
|
},
|
|
|
|
|
|
// onError回调
|
|
|
function ( err ) {
|
|
|
console.log( 'An error happened' );
|
|
|
}
|
|
|
);
|
|
|
</code>
|
|
|
|
|
|
<h2>例子</h2>
|
|
|
|
|
|
<p>
|
|
|
[example:webgl_geometry_text_shapes geometry / text / shapes ]<br/>
|
|
|
[example:webgl_geometry_text geometry / text ]
|
|
|
</p>
|
|
|
|
|
|
<h2>构造函数</h2>
|
|
|
|
|
|
<h3>[name]( [param:LoadingManager manager] )</h3>
|
|
|
<p>
|
|
|
[page:LoadingManager manager] — 加载器所使用的[page:LoadingManager loadingManager]。默认值为[page:LoadingManager THREE.DefaultLoadingManager].<br /><br />
|
|
|
创建一个新的[name].
|
|
|
</p>
|
|
|
|
|
|
<h2>属性</h2>
|
|
|
<p>共有属性请参见其基类[page:Loader]。</p>
|
|
|
|
|
|
<h2>方法</h2>
|
|
|
<p>共有方法请参见其基类[page:Loader]。</p>
|
|
|
|
|
|
<h3>[method:undefined load]( [param:String url], [param:Function onLoad], [param:Function onProgress], [param:Function onError] )</h3>
|
|
|
<p>
|
|
|
[page:String url] — 文件的URL或者路径，也可以为
|
|
|
[link:https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs Data URI]。<br />
|
|
|
[page:Function onLoad] — 将在加载完成时调用。参数是将要被加载的font。<br />
|
|
|
[page:Function onProgress] — 将在加载过程中调用。参数是包含[page:Integer total]和[page:Integer loaded]字节的XMLHttpRequest实例。如果server没有设置header的Content-Length，则[page:Integer total]值为0。<br />
|
|
|
[page:Function onError] — 将在加载错误时调用。<br /><br />
|
|
|
|
|
|
开始加载url，并将加载的font传递给onLoad。
|
|
|
</p>
|
|
|
|
|
|
<h3>[method:Font parse]( [param:Object json] )</h3>
|
|
|
<p>
|
|
|
[page:Object json] — 用于解析的<em>JSON</em>>格式的对象。<br /><br />
|
|
|
解析一个<em>JSON</em>>格式的对象，并返回一个font。
|
|
|
</p>
|
|
|
|
|
|
<h2>源代码</h2>
|
|
|
|
|
|
<p>
|
|
|
[link:https://github.com/mrdoob/three.js/blob/master/examples/jsm/loaders/FontLoader.js examples/jsm/loaders/FontLoader.js]
|
|
|
</p>
|
|
|
</body>
|
|
|
</html>
|