131 lines
2.7 KiB
HTML
131 lines
2.7 KiB
HTML
<!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:EventDispatcher] →
|
||
|
||
<h1>拖放控制器（[name]）</h1>
|
||
|
||
<p class="desc">
|
||
该类被用于提供一个拖放交互。
|
||
</p>
|
||
|
||
<h2>代码示例</h2>
|
||
|
||
<code>
|
||
const controls = new DragControls( objects, camera, renderer.domElement );
|
||
|
||
// add event listener to highlight dragged objects
|
||
|
||
controls.addEventListener( 'dragstart', function ( event ) {
|
||
|
||
event.object.material.emissive.set( 0xaaaaaa );
|
||
|
||
} );
|
||
|
||
controls.addEventListener( 'dragend', function ( event ) {
|
||
|
||
event.object.material.emissive.set( 0x000000 );
|
||
|
||
} );
|
||
</code>
|
||
|
||
<h2>例子</h2>
|
||
|
||
<p>[example:misc_controls_drag misc / controls / drag ]</p>
|
||
|
||
<h2>Constructor</h2>
|
||
|
||
<h3>[name]( [param:Array objects], [param:Camera camera], [param:HTMLDOMElement domElement] )</h3>
|
||
<p>
|
||
<p>
|
||
[page:Array objects]: 一组可被拖拽的3D Objects。
|
||
</p>
|
||
<p>
|
||
[page:Camera camera]: 渲染场景的摄像机。
|
||
</p>
|
||
<p>
|
||
[page:HTMLDOMElement domElement]: 用于事件监听的HTML元素。
|
||
</p>
|
||
<p>
|
||
创建一个新的 [name] 实例。
|
||
</p>
|
||
</p>
|
||
|
||
<h2>事件</h2>
|
||
|
||
<h3>dragstart</h3>
|
||
<p>
|
||
当用户开始拖拽3D Objects时触发。
|
||
</p>
|
||
|
||
<h3>drag</h3>
|
||
<p>
|
||
当用户拖拽3D Objects时触发。
|
||
</p>
|
||
|
||
<h3>dragend</h3>
|
||
<p>
|
||
当用户开始完成3D Objects时触发。
|
||
</p>
|
||
|
||
<h3>hoveron</h3>
|
||
<p>
|
||
当指针移动到一个3D Object或者其某个子级上时触发。
|
||
</p>
|
||
|
||
<h3>hoveroff</h3>
|
||
<p>
|
||
当指针移出一个3D Object时触发。
|
||
</p>
|
||
|
||
<h2>属性</h2>
|
||
|
||
<h3>[property:Boolean enabled]</h3>
|
||
<p>
|
||
是否启用控制器。
|
||
</p>
|
||
|
||
<h3>[property:Boolean transformGroup]</h3>
|
||
<p>
|
||
This option only works if the [page:DragControls.objects] array contains a single draggable group object.
|
||
If set to *true*, [name] does not transform individual objects but the entire group. Default is *false*.
|
||
</p>
|
||
|
||
<h2>Methods</h2>
|
||
|
||
<p>共有方法请参见其基类[page:EventDispatcher]。</p>
|
||
|
||
<h3>[method:null activate] ()</h3>
|
||
<p>
|
||
添加控制器的事件监听。
|
||
</p>
|
||
|
||
<h3>[method:null deactivate] ()</h3>
|
||
<p>
|
||
移除控制器的事件监听。
|
||
</p>
|
||
|
||
<h3>[method:null dispose] ()</h3>
|
||
<p>
|
||
若不再需要该控制器，则应当调用此函数。
|
||
</p>
|
||
|
||
<h3>[method:Array getObjects] ()</h3>
|
||
<p>
|
||
Returns the array of draggable objects.
|
||
</p>
|
||
|
||
<h2>Source</h2>
|
||
|
||
<p>
|
||
[link:https://github.com/mrdoob/three.js/blob/master/examples/jsm/controls/DragControls.js examples/jsm/controls/DragControls.js]
|
||
</p>
|
||
</body>
|
||
</html>
|