以原点为中心的球体的描述.
| Name | Type | Description | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
options |
object |
optional
下列属性的对象 :
|
Throws:
-
DeveloperError : options.slicePartitions cannot be less than three.
-
DeveloperError : options.stackPartitions cannot be less than three.
- SphereGeometry#createGeometry
Example:
const sphere = new Cesium.SphereGeometry({
radius : 100.0,
vertexFormat : Cesium.VertexFormat.POSITION_ONLY
});
const geometry = Cesium.SphereGeometry.createGeometry(sphere);See:
Members
Methods
static Cesium.SphereGeometry.createGeometry(sphereGeometry) → Geometry|undefined
计算一个球体的几何表示,包括它的顶点,指数,以及一个边框.
| Name | Type | Description |
|---|---|---|
sphereGeometry |
SphereGeometry | 球体的描述. |
Returns:
计算出的顶点和指数.
将所提供的实例存储到所提供的数组中.
| Name | Type | Default | Description |
|---|---|---|---|
value |
SphereGeometry | 包装的价值. | |
array |
Array.<number> | 装入的阵列. | |
startingIndex |
number |
0
|
optional The index into the array at which to start packing the elements. |
Returns:
装入的阵列
static Cesium.SphereGeometry.unpack(array, startingIndex, result) → SphereGeometry
从组合的数组中获取实例 .
| Name | Type | Default | Description |
|---|---|---|---|
array |
Array.<number> | 装填的阵列. | |
startingIndex |
number |
0
|
optional The starting index of the element to be unpacked. |
result |
SphereGeometry | optional 存储结果的对象. |
Returns:
未提供修改的结果参数或新的球面测量实例.