Function vec2

vec2(
    x1: number,
    y1: number,
    x2: number,
    y2: number,
): { dx: number; dy: number; m: number }
创建二维向量
Parameters
- x1: number
  起点x坐标
- y1: number
  起点y坐标
- x2: number
  终点x坐标
- y2: number
  终点y坐标
Returns { dx: number; dy: number; m: number }
向量对象
- Defined in reallyGoodBaker/meisterhau-ll/files/plugins/Components/combat/basic/generic/vec.js:11