/// <summary>
/// 比较并获取三角形邻居边索引
/// </summary>
/// <param name="triNext">三角形</param>
/// <returns>邻边索引</returns>
public int GetNeighborWall(Triangle triNext)
{
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
if (GetSide(i).Equals(triNext.GetSide(j)))
{
return(i);
}
}
}
return(-1);
}
/// <summary>
/// Checks the cross.
/// </summary>
/// <returns><c>true</c>, if cross was checked, <c>false</c> otherwise.</returns>
/// <param name="line">Line.</param>
/// <param name="tri">Tri.</param>
public static bool CheckCross(Line2D line, Triangle tri)
{
for (int i = 0; i < 3; i++)
{
Line2D lineTri = tri.GetSide(i);
if (CheckCross(line.GetStartPoint(), line.GetEndPoint(),
lineTri.GetStartPoint(), lineTri.GetEndPoint())
)
{
return(true);
}
}
return(false);
}
/// <summary>
/// 比较并获取三角形邻居边索引
/// </summary>
/// <param name="triNext">三角形</param>
/// <returns>邻边索引</returns>
public int GetNeighborWall(Triangle triNext)
{
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
if (GetSide(i).Equals(triNext.GetSide(j)))
return i;
}
}
return -1;
}
/// <summary>
/// Checks the cross.
/// </summary>
/// <returns><c>true</c>, if cross was checked, <c>false</c> otherwise.</returns>
/// <param name="line">Line.</param>
/// <param name="tri">Tri.</param>
public static bool CheckCross( Line2D line , Triangle tri )
{
for(int i = 0 ; i < 3 ; i++ )
{
Line2D lineTri = tri.GetSide(i);
if( CheckCross(line.GetStartPoint() , line.GetEndPoint() ,
lineTri.GetStartPoint() , lineTri.GetEndPoint())
)
{
return true;
}
}
return false;
}