FrustumGeometry
查阅Mars3D API

new Cesium.FrustumGeometry(options)
engine/Source/Core/FrustumGeometry.js 34

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.

成员(属性)

packedLength : number
engine/Source/Core/FrustumGeometry.js 74

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

方法

static Cesium.FrustumGeometry.createGeometry(frustumGeometry) → Geometry|undefined
engine/Source/Core/FrustumGeometry.js 384

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.
返回值:
The computed vertices and indices.

static Cesium.FrustumGeometry.pack(value, array, startingIndex) → Array.<number>
engine/Source/Core/FrustumGeometry.js 91

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.
返回值:
The array that was packed into

static Cesium.FrustumGeometry.unpack(array, startingIndex, result)
engine/Source/Core/FrustumGeometry.js 136

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.
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