KBE3D / KBCore / Cesium / SphereGeometry

类: SphereGeometry

A description of a sphere centered at the origin.

示例

const sphere = new Cesium.SphereGeometry({
  radius : 100.0,
  vertexFormat : Cesium.VertexFormat.POSITION_ONLY
});
const geometry = Cesium.SphereGeometry.createGeometry(sphere);

参数

Object with the following properties:

参数

The radius of the sphere.

参数

The number of times to partition the ellipsoid into stacks.

参数

The number of times to partition the ellipsoid into radial slices.

参数

The vertex attributes to be computed.

属性

packedLength

static packedLength: number

The number of elements used to pack the object into an array.

方法

pack()

static pack(value: SphereGeometry, array: number[], startingIndex?: number): number[]

Stores the provided instance into the provided array.

参数

value

SphereGeometry

The value to pack.

array

number[]

The array to pack into.

startingIndex?

number

The index into the array at which to start packing the elements.

返回

number[]

The array that was packed into

---

unpack()

static unpack(array: number[], startingIndex?: number, result?: SphereGeometry): SphereGeometry

Retrieves an instance from a packed array.

参数

array

number[]

The packed array.

startingIndex?

number

The starting index of the element to be unpacked.

result?

SphereGeometry

The object into which to store the result.

返回

SphereGeometry

The modified result parameter or a new SphereGeometry instance if one was not provided.

---

createGeometry()

static createGeometry(sphereGeometry: SphereGeometry): Geometry | undefined

Computes the geometric representation of a sphere, including its vertices, indices, and a bounding sphere.

参数

sphereGeometry

SphereGeometry

A description of the sphere.

返回

Geometry | undefined

The computed vertices and indices.

构造函数

构造函数

new SphereGeometry(options?: { radius?: number; stackPartitions?: number; slicePartitions?: number; vertexFormat?: VertexFormat; }): SphereGeometry

参数

options?

radius?

number

stackPartitions?

number

slicePartitions?

number

vertexFormat?

VertexFormat

返回

SphereGeometry