SphereGeometry
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new Cesium.SphereGeometry(options)
engine/Source/Core/SphereGeometry.js 32

A description of a sphere centered at the origin.
参数名称 类型 描述信息
options object 可选 Object with the following properties:
参数名称 类型 默认值 描述信息
radius number 1.0 可选 The radius of the sphere.
stackPartitions number 64 可选 The number of times to partition the ellipsoid into stacks.
slicePartitions number 64 可选 The number of times to partition the ellipsoid into radial slices.
vertexFormat VertexFormat VertexFormat.DEFAULT 可选 The vertex attributes to be computed.
Throws:
使用示例:
const sphere = new Cesium.SphereGeometry({
  radius : 100.0,
  vertexFormat : Cesium.VertexFormat.POSITION_ONLY
});
const geometry = Cesium.SphereGeometry.createGeometry(sphere);
参考:
  • SphereGeometry#createGeometry

成员(属性)

static Cesium.SphereGeometry.packedLength : number
engine/Source/Core/SphereGeometry.js 50

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

方法

static Cesium.SphereGeometry.createGeometry(sphereGeometry) → Geometry|undefined
engine/Source/Core/SphereGeometry.js 115

Computes the geometric representation of a sphere, including its vertices, indices, and a bounding sphere.
参数名称 类型 描述信息
sphereGeometry SphereGeometry A description of the sphere.
返回值:
The computed vertices and indices.

static Cesium.SphereGeometry.pack(value, array, startingIndex) → Array.<number>
engine/Source/Core/SphereGeometry.js 61

Stores the provided instance into the provided array.
参数名称 类型 默认值 描述信息
value SphereGeometry The value to pack.
array Array.<number> The array to pack into.
startingIndex number 0 可选 The index into the array at which to start packing the elements.
返回值:
The array that was packed into

static Cesium.SphereGeometry.unpack(array, startingIndex, result) → SphereGeometry
engine/Source/Core/SphereGeometry.js 86

Retrieves an instance from a packed array.
参数名称 类型 默认值 描述信息
array Array.<number> The packed array.
startingIndex number 0 可选 The starting index of the element to be unpacked.
result SphereGeometry 可选 The object into which to store the result.
返回值:
The modified result parameter or a new SphereGeometry instance if one was not provided.
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