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<!DOCTYPE html>
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<html lang="zh">
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<head>
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<meta charset="utf-8" />
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<base href="../../../" />
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<script src="page.js"></script>
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<link type="text/css" rel="stylesheet" href="page.css" />
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</head>
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<body>
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[page:Loader] →
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<h1>[name]</h1>
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<p class="desc">用于加载`.tga`资源的加载器。<br />
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[link:https://en.wikipedia.org/wiki/Truevision_TGA TGA]是光栅图形，图形文件格式。
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</p>
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<h2>导入</h2>
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<p>
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[name]是附加项，必须显示的引用。请参考[link:#manual/introduction/Installation Installation / Addons]。
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</p>
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<code>
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import { TGALoader } from 'three/addons/loaders/TGALoader.js';
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</code>
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<h2>代码示例</h2>
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<code>
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// instantiate a loader
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const loader = new TGALoader();
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// load a resource
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const texture = loader.load(
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// resource URL
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'textures/crate_grey8.tga'
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// called when loading is completed
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function ( texture ) {
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console.log( 'Texture is loaded' );
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},
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// called when the loading is in progress
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function ( xhr ) {
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console.log( ( xhr.loaded / xhr.total * 100 ) + '% loaded' );
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},
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// called when the loading fails
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function ( error ) {
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console.log( 'An error happened' );
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}
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);
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const material = new THREE.MeshPhongMaterial( {
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color: 0xffffff,
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map: texture
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} );
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</code>
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<h2>示例</h2>
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<p>
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[example:webgl_loader_texture_tga]
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</p>
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<h2>构造函数</h2>
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<h3>[name]( [param:LoadingManager manager] )</h3>
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<p>
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[page:LoadingManager manager] — 加载器使用的[page:LoadingManager loadingManager]。默认值为[page:LoadingManager THREE.DefaultLoadingManager]。
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</p>
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<p>
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创建新的[name].
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</p>
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<h2>属性</h2>
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<p>查看公共属性请参考基类[page:Loader]。</p>
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<h2>方法</h2>
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<p>查看公共方法请参考基类[page:Loader]。</p>
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<h3>[method:DataTexture load]( [param:String url], [param:Function onLoad], [param:Function onProgress], [param:Function onError] )</h3>
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<p>
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[page:String url] — 一个`.tga`文件的路径或者网络地址。<br />
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[page:Function onLoad] — (可选的)加载成功之后调用的函数。该函数以[page:DataTexture]为参数。<br />
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[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]。
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如果服务没有设置Content-Length头，.[page:Integer total]的值为0。<br />
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[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 />
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</p>
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<p>
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开始加载[page:DataTexture texture]并传递给onLoad。即时引用会将[page:DataTexture texture]直接返回(不一定加载完成)。
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</p>
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<h2>源代码</h2>
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<p>
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[link:https://github.com/mrdoob/three.js/blob/master/examples/jsm/loaders/TGALoader.js examples/jsm/loaders/TGALoader.js]
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</p>
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</body>
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</html>
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