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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:OrbitControls] →
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<h1>地图控制器([name])</h1>
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<p class="desc">
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[name] 旨在从鸟瞰角度在地图上转换相机。该类与 [page:OrbitControls] 共享其实现，但使用特定的预设进行鼠标/触摸交互，并默认禁用屏幕空间平移。
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</p>
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<h2>导入</h2>
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<p>
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[name] 是一个附加组件，必须显式导入。请参阅 [link:#manual/introduction/Installation Installation / Addons].
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</p>
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<code>
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import { MapControls } from 'three/addons/controls/MapControls.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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const renderer = new THREE.WebGLRenderer();
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renderer.setSize( window.innerWidth, window.innerHeight );
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document.body.appendChild( renderer.domElement );
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const scene = new THREE.Scene();
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const camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 10000 );
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camera.position.set( 0, 20, 100 );
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const controls = new MapControls( camera, renderer.domElement );
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controls.enableDamping = true;
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function animate() {
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requestAnimationFrame( animate );
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// required if controls.enableDamping or controls.autoRotate are set to true
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controls.update();
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renderer.render( scene, camera );
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}
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</code>
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<h2>例子</h2>
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<p>[example:misc_controls_map misc / controls / map ]</p>
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<h2>构造函数</h2>
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<h3>[name]( [param:Camera object], [param:HTMLDOMElement domElement] )</h3>
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<p>
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[page:Camera object]：（必填）要控制的相机。相机不能是另一个对象的子对象，除非该对象是场景本身。<br><br>
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[page:HTMLDOMElement domElement]： 用于事件侦听器的 HTML 元素。
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</p>
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<h2>事件</h2>
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<p>有关常见事件，请参阅 [page:OrbitControls] 基类。</p>
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<h2>属性</h2>
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<p>有关常见属性，请参阅 [page:OrbitControls] 基类。</p>
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<h3>
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[property:Object mouseButtons]</h3>
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<p>
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该对象包含对控件使用的鼠标操作的引用。
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<code>
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controls.mouseButtons = {
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LEFT: THREE.MOUSE.PAN,
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MIDDLE: THREE.MOUSE.DOLLY,
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RIGHT: THREE.MOUSE.ROTATE
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}
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</code>
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</p>
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<h3>[property:Boolean screenSpacePanning]</h3>
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<p>
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定义平移时摄像机位置的平移方式。如果为 true，相机将在屏幕空间中平移。否则，摄像机将在与摄像机向上方向正交的平面中平移。默认为 `false`。
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</p>
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<h3>[property:Object touches]</h3>
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<p>
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该对象包含对控件使用的触摸操作的引用。
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<code>
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controls.touches = {
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ONE: THREE.TOUCH.PAN,
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TWO: THREE.TOUCH.DOLLY_ROTATE
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}
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</code>
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</p>
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<h2>方法</h2>
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<p>有关常用方法，请参阅 [page:OrbitControls]。</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/controls/MapControls.js examples/jsm/controls/MapControls.js]
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</p>
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</body>
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</html>
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