Class GLine

轻量级几何类模块

提供纯几何数据类，用于几何计算和渲染场景，相比完整实体类减少内存占用和计算开销。

Index

Constructors

Properties

gtype startPoint endPoint

Accessors

length Length angle midPoint

Methods

boundingBox rotate clone

Constructors

constructor

new GLine(startPoint: Point2D, endPoint: Point2D): GLine
构造函数
Parameters
- startPoint: Point2D
  起点坐标
- endPoint: Point2D
  终点坐标
Returns GLine
- Defined in geometries/GLine.ts:25

Properties

`Readonly`gtype

gtype: "GLine" = 'GLine'

几何类型标识

startPoint

startPoint: Point2D

起点

endPoint

endPoint: Point2D

终点

Accessors

length

get length(): number
获取线段长度

Returns number
- Defined in geometries/GLine.ts:33

Length

get Length(): number
获取线段长度（兼容 LineEnt.Length 接口）

Returns number
- Defined in geometries/GLine.ts:42

angle

get angle(): number
获取线段角度（弧度）

Returns number
- Defined in geometries/GLine.ts:49

midPoint

get midPoint(): Point2D
获取中点

Returns Point2D
- Defined in geometries/GLine.ts:59

Methods

boundingBox

boundingBox(): { minX: number; minY: number; maxX: number; maxY: number }
获取包围盒

Returns { minX: number; minY: number; maxX: number; maxY: number }
- Defined in geometries/GLine.ts:69

rotate

rotate(rotationCenter: Point2D, rotationAngle: number): void
旋转变换

围绕指定点旋转线段。同时旋转起点和终点。
Parameters
- rotationCenter: Point2D
  旋转中心点
- rotationAngle: number
  旋转角度（弧度）
Returns void
- Defined in geometries/GLine.ts:86

clone

clone(): GLine
克隆

Returns GLine
- Defined in geometries/GLine.ts:94