[page:BufferGeometry] →

# 参数化缓冲几何体（[name]）

生成由参数表示其表面的几何体。

## 进口

[name] 是一个附加组件，必须显式导入。 See [link:#manual/introduction/Installation Installation / Addons].

`import { ParametricGeometry } from 'three/addons/geometries/ParametricGeometry.js';`

## 代码示例

`const geometry = new THREE.ParametricGeometry( THREE.ParametricGeometries.klein, 25, 25 ); const material = new THREE.MeshBasicMaterial( { color: 0x00ff00 } ); const klein = new THREE.Mesh( geometry, material ); scene.add( klein );`

## 构造函数

### [name]([param:Function func], [param:Integer slices], [param:Integer stacks])

func — A function that takes in a [page:Float u] and [page:Float v] value each between 0 and 1 and modifies a third [page:Vector3] argument. Default is a function that generates a curved plane surface.
slices — The count of slices to use for the parametric function. Default is *8*.
stacks — The count of stacks to use for the parametric function. Default is *8*.

## 属性

共有属性请参见其基类[page:BufferGeometry]。

### [property:Object parameters]

一个包含着构造函数中每个参数的对象。在对象实例化之后，对该属性的任何修改都不会改变这个几何体。

## 方法(Methods)

共有方法请参见其基类[page:BufferGeometry]。

## 方法

[link:https://github.com/mrdoob/three.js/blob/master/examples/jsm/geometries/ParametricGeometry.js examples/jsm/geometries/ParametricGeometry.js]