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length

简介

length 方法是 HalfEdge 类中的一个方法,用于计算一个半边的长度。

用法

halfEdge.length()

参数

无。

返回值

  • 类型:Number
  • 说明:半边的长度。

示例

var halfEdge = new HalfEdge(vertexA, vertexB, face, next, prev, opposite)

var length = halfEdge.length()
console.log(length) // 5

实现细节

该方法的实现原理是通过半边的起点和终点计算两点之间的距离。

异常情况

如果半边的起点或终点不存在,则该方法会抛出异常。

参考文献

无。