/// <summary>
/// 是否相交
/// </summary>
/// <param name="line"></param>
/// <returns></returns>
public bool Intersect(LineSegment2D line)
{
int statusSrc = Utility2D.GetPointPosition(line.Src, Src, Dest);
int statusDest = Utility2D.GetPointPosition(line.Dest, Src, Dest);
if (statusSrc == 0 || statusDest == 0)
{
if (statusSrc == 0)
{
return(this.Contains(line.Src));
}
if (statusDest == 0)
{
return(this.Contains(line.Dest));
}
return(false);
}
return(statusSrc != statusDest);
}
/// <summary>
/// 是否包含点
/// </summary>
/// <param name="point"></param>
/// <returns></returns>
public bool Contains(Vector2 point)
{
int ret = Utility2D.GetPointPosition(point, Points);
return(ret <= 0);
}