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- <!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">用于加载`.svg`资源的加载器<br >
- [link:https://en.wikipedia.org/wiki/Scalable_Vector_Graphics 可伸缩向量图形]是XML形式的矢量图形格式,用来描述二维矢量图形并支持交互和动画。
- </p>
- <h2>导入</h2>
- <p>
- [name]是附加功能,必须显示引用。
- 请参考[link:#manual/introduction/Installation Installation / Addons].
- </p>
- <code>
- import { SVGLoader } from 'three/addons/loaders/SVGLoader.js';
- </code>
- <h2>代码示例</h2>
- <code>
- // instantiate a loader
- const loader = new SVGLoader();
- // load a SVG resource
- loader.load(
- // resource URL
- 'data/svgSample.svg',
- // called when the resource is loaded
- function ( data ) {
- const paths = data.paths;
- const group = new THREE.Group();
- for ( let i = 0; i < paths.length; i ++ ) {
- const path = paths[ i ];
- const material = new THREE.MeshBasicMaterial( {
- color: path.color,
- side: THREE.DoubleSide,
- depthWrite: false
- } );
- const shapes = SVGLoader.createShapes( path );
- for ( let j = 0; j < shapes.length; j ++ ) {
- const shape = shapes[ j ];
- const geometry = new THREE.ShapeGeometry( shape );
- const mesh = new THREE.Mesh( geometry, material );
- group.add( mesh );
- }
- }
- scene.add( group );
- },
- // called when loading is in progresses
- function ( xhr ) {
- console.log( ( xhr.loaded / xhr.total * 100 ) + '% loaded' );
- },
- // called when loading has errors
- function ( error ) {
- console.log( 'An error happened' );
- }
- );
- </code>
- <h2>示例</h2>
- <p>
- [example:webgl_loader_svg]
- </p>
- <h2>构造函数</h2>
- <h3>[name]( [param:LoadingManager manager] )</h3>
- <p>
- [page:LoadingManager manager] — 加载器使用的[page:LoadingManager 加载器管理]。默认值为[page:LoadingManager THREE.DefaultLoadingManager]。
- </p>
- <p>
- 创建一个新的[name]。
- </p>
- <h2>属性</h2>
- <p>查看公共属性请参考基类[page:Loader]。</p>
- <h2>方法</h2>
- <p>查看公共方法请参考基类[page:Loader]。</p>
- <h3>[method:undefined load]( [param:String url], [param:Function onLoad], [param:Function onProgress], [param:Function onError] )</h3>
- <p>
- [page:String url] — 一个`.svg`文件的路径或者网络地址。<br />
- [page:Function onLoad] — (可选的)加载成功之后调用的函数。该函数以[page:ShapePath]为参数。<br />
- [page:Function onProgress] — (可选的)正在加载时调用的函数。参数为XMLHttpRequest实例,包含[page:Integer total]和[page:Integer loaded]。
- 如果服务没有设置Content-Length头,.[page:Integer total]的值为0。<br />
- [page:Function onError] — (可选的)加载出现错误时调用的函数。该函将错误信息作为参数。<br />
- </p>
- <p>
- 根据请求的URL开始加载并根据返回内容调用onLoad。
- </p>
- <h2>静态方法</h2>
- <h3>[method:Array createShapes]( [param:ShapePath shape] )</h3>
- <p>
- [page:ShapePath shape] — 一个[page:ShapePath]的矢量图形数组,指定[page:SVGLoader]的onLoad函数的参数。<br />
- </p>
- <p>
- 返回一个或多个基于[param:ShapePath shape]的[page:Shape]对象,并作为该函数的一个参数返回。
- </p>
- <h2>源代码</h2>
- <p>
- [link:https://github.com/mrdoob/three.js/blob/master/examples/jsm/loaders/SVGLoader.js examples/jsm/loaders/SVGLoader.js]
- </p>
- </body>
- </html>
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