new Cesium.FrustumGeometry(options)

Describes a frustum at the given the origin and orientation.
参数名称 类型 描述信息
options object Object with the following properties:
参数名称 类型 默认值 描述信息
frustum PerspectiveFrustum | OrthographicFrustum The frustum.
origin Cartesian3 The origin of the frustum.
orientation Quaternion The orientation of the frustum.
vertexFormat VertexFormat VertexFormat.DEFAULT 可选 The vertex attributes to be computed.


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


static Cesium.FrustumGeometry.createGeometry(frustumGeometry)Geometry|undefined

Computes the geometric representation of a frustum, including its vertices, indices, and a bounding sphere.
参数名称 类型 描述信息
frustumGeometry FrustumGeometry A description of the frustum.
The computed vertices and indices.

static Cesium.FrustumGeometry.pack(value, array, startingIndex)Array.<number>

Stores the provided instance into the provided array.
参数名称 类型 默认值 描述信息
value FrustumGeometry 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.
The array that was packed into

static Cesium.FrustumGeometry.unpack(array, startingIndex, result)

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 FrustumGeometry 可选 The object into which to store the result.