javascript
/
three.js
oglindă de https://github.com/tazdij/three.js.git


			
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		<h1>[name]</h1>

		<p class="desc">
			[name] generates instances of [page:BufferGeometry] from a Signed Distance Function</br>
            Uses <a href="https://www.npmjs.com/package/isosurface" target="_blank" > Mikola Lysenko's Isosurface</a>
		</p>

		<h2>Import</h2>

		<p>
			[name] is an add-on, and must be imported explicitly.
			See [link:#manual/introduction/Installation Installation / Addons].
		</p>

		<code>
			import { SDFGeometryGenerator } from 'three/addons/geometries/SDFGeometryGenerator.js';
		</code>

		<h2>Code Example</h2>

		<code>
		const generator = new SDFGeometryGenerator( renderer );
		const sdf = 'float dist( vec3 p ){ return length(p) - 0.5; }' // glsl
		const geometry = generator.generate( 64, sdf, 1 ); // ~> THREE.BufferGeometry
		</code>

		<h2>Examples</h2>

		<p>[example:webgl_geometry_sdf geometry / sdf ]</p>

		<h2>Constructor</h2>

		<h3>[name]( [param:WebGLRenderer renderer] )</h3>
		
		<p>
			[page:WebGLRenderer renderer] -- The renderer used to render the scene. <br />
		</p>

		<h2>Methods</h2>

		<h3>[method:BufferGeometry generate]( [param:Int resolution], [param:String distanceField], [param:Int bounds] )</h3>
		
		<p>
			<b>resolution</b> - Int [ mandatory ] Amount of 'voxels' used for triangulation. Must be power of 2. <br/>Gets heavy after 256, most machines won't be able to process over 512. Defaults to 64. 
		</p>
		<p>
			<b>distanceField</b> - String [ mandatory ] String with glsl distance function. Name of function must be 'dist', with a vec3 argument. ( see code above ). Defaults to a sphere distance.
		</p>
		<p>
			<b>bounds</b> - Int [ optional ] Bounds in which signed distance field will be evaluated. Defaults to 1.
		</p>


		<h2>Source</h2>

		<p>
			[link:https://github.com/mrdoob/three.js/blob/master/examples/jsm/geometries/SDFGeometry.js examples/jsm/geometries/SDFGeometryGenerator.js]
		</p>
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