/// <summary>
/// 获取两点间的距离
/// </summary>
/// <returns></returns>
public static int GetLenght(MPoint p1, MPoint p2)
{
int x = p1.X - p2.X;
int y = p1.Y - p2.Y;
return((int)Math.Sqrt((double)(x * x) + (double)(y * y)));
}
/// <summary>
/// 根据百分比获取两个点直接的百分比的坐标值
/// </summary>
/// <param name="rate"></param>
/// <param name="p1"></param>
/// <param name="p2"></param>
/// <returns></returns>
public MPoint GetMP(double rate, MPoint p1, MPoint p2)
{
int x = ((int)((double)rate * (p2.X - p1.X)) + p1.X);
int y = ((int)((double)rate * (p2.Y - p1.Y)) + p1.Y);
return(new MPoint(x, y));
}
public void AddPoint(MPoint point)
{
point.ID = _points.Count();
_points.Add(point);
if (_points.Count > 1)
{
Lenght = Lenght + Line.GetLenght(_points[_points.Count() - 2], _points[_points.Count() - 1]);
}
}