javascript
/
three.js
镜像自地址 https://github.com/tazdij/three.js.git


			
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		[page:Object3D] &rarr;
		
		<h1>[name]</h1>

		<div class="desc">An 3D arrow Object.</div>


		<h2>Example</h2>

		<code>var dir = new THREE.Vector3( 1, 0, 0 );
		var origin = new THREE.Vector3( 0, 0, 0 );
		var length = 1;
		var hex = 0xffff00;

		var arrowHelper = new THREE.ArrowHelper( dir, origin, length, hex );
		scene.add( arrowHelper );
		</code>


		<h2>Constructor</h2>


		<h3>[name]([page:Vector3 dir], [page:Vector3 origin], [page:Number length], [page:Number hex], [page:Number headLength], [page:Number headWidth] )</h3>
		<div>
		dir -- Vector3 -- direction from origin <br />
		origin -- Vector3 <br />
		length -- scalar <br />
		hex -- hexadecimal value to define color ex:0xffff00<br />
		headLength -- The length of the head of the arrow<br />
		headWidth -- The length of the width of the arrow
		</div>
		<div>
		This creates an arrow starting in origin in the direction dir for a certain length. It is also possible to change color.
		</div>


		<h2>Properties</h2>


		<h3>.[page:Line line]</h3>
		<div>
		Contains the line part of the arrowHelper.
		</div> 

		<h3>.[page:Mesh cone]</h3>
		<div>
		Contains the cone part of the arrowHelper.
		</div> 

		<h2>Methods</h2>


		<h3>.setColor([page:Number hex])</h3>
		<div>
		hex -- The hexadicmal value of the color
		</div>
		<div>
		Sets the color of the arrowHelper.
		</div>

		<h3>.setLength([page:Number length])</h3>
		<div>
		length -- The desired length
		</div>
		<div>
		Sets the length of the arrowhelper.
		</div>

		<h3>.setDirection([page:vector3 dir])</h3>
		<div>
		dir -- The desired direction in euler format.
		</div>
		<div>
		Sets the direction of the arrowhelper.
		</div>

		<h2>Source</h2>

		[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
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