/** * 计算两个坐标的中点坐标 * @param start 起始点{x:number, y:number} * @param end 结束点{x:number, y:number} * @returns 中点坐标{x:number, y:number} */ function getMiddlePoint(start, end) { const x = (end.x - start.x) / 2 + start.x; const y = (end.y - start.y) / 2 + start.y; return { x, y }; } export { getMiddlePoint };