export const get = (url) =>
  new Promise((resolve) => {
    wx.request({
      url,
      success({ data }) {
        resolve(data);
      },
    });
  });


export const getCrossPoint = (point, point1, point2) => {
  const cross =
    (point2.x - point1.x) * (point.x - point1.x) +
    (point2.y - point1.y) * (point.y - point1.y);

  if (cross <= 0) return point1;

  const d2 =
    (point2.x - point1.x) * (point2.x - point1.x) +
    (point2.y - point1.y) * (point2.y - point1.y);

  if (cross >= d2) return point2;

  const r = cross / d2;

  const px = point1.x + (point2.x - point1.x) * r;
  const py = point1.y + (point2.y - point1.y) * r;

  return { x: px, y: py };
};