Cesium JS API
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NodeTransformationProperty

NodeTransformationProperty是Cesium中的一个类,它表示一个节点的变换属性。

构造函数

new Cesium.NodeTransformationProperty(node)
  • node:Object(必选参数)表示节点的变换属性。

示例

// 创建位置变换节点
var positionProperty = new Cesium.SampledPositionProperty();

// 添加位置数据
var time = Cesium.JulianDate.now();
var position = Cesium.Cartesian3.fromDegrees(-75.59777, 40.03883);
positionProperty.addSample(time, position);

// 创建一个节点并设置其位置
var node = new Cesium.Node({
    position: positionProperty
});

// 创建节点变换属性
var transform = new Cesium.NodeTransformProperty(node);

// 获取变换矩阵
var matrix = transform.getValue(time);

方法

  • getValue(time, result):获取指定时间的节点变换矩阵。

参数:

  • time:JulianDate类型,指定的时间。
  • result:Matrix4类型,可选参数,用于存储变换矩阵,如果未提供,则自动创建一个新的Matrix4。

返回值:

  • Matrix4类型,表示指定时间的节点变换矩阵。

参考文献