//How many points does the input triangle share with this triangle;
public virtual List <int> GetCommonPointIndexList(EPMShape s2)
{
List <int> commonIndexList = new List <int>();
int p1, p2;
p1 = p2 = 0;
while (p1 < g_sortedIndexList.Count && p2 < s2.g_sortedIndexList.Count)
{
if (g_sortedIndexList[p1] < s2.g_sortedIndexList[p2])
{
p1++;
}
else if (g_sortedIndexList[p1] > s2.g_sortedIndexList[p2])
{
p2++;
}
else
{
commonIndexList.Add(g_sortedIndexList[p1]);
p1++;
p2++;
}
}
return(commonIndexList);
}
public virtual List <int> GetUnCommonPointIndexList(EPMShape s2, bool countS2In = false)
{
List <int> unCommonIndexList = new List <int>();
int p1, p2;
p1 = p2 = 0;
while (p1 < g_sortedIndexList.Count && p2 < s2.g_sortedIndexList.Count)
{
if (g_sortedIndexList[p1] < s2.g_sortedIndexList[p2])
{
unCommonIndexList.Add(g_sortedIndexList[p1]);
p1++;
}
else if (g_sortedIndexList[p1] > s2.g_sortedIndexList[p2])
{
if (countS2In)
{
unCommonIndexList.Add(s2.g_sortedIndexList[p2]);
}
p2++;
}
else
{
p1++;
p2++;
}
}
return(unCommonIndexList);
}
public override bool EqualTo(EPMShape shape)
{
//For Triangle, the long hash can represent 1,000,000 different triangles, I think it is enough for mesh generating.
if (GetLongHash() != shape.GetLongHash())
{
return(false);
}
return(true);
}
public virtual bool EqualTo(EPMShape shape)
{
if (GetLongHash() != shape.GetLongHash())
{
return(false);
}
if (g_sortedIndexList.Count != shape.g_sortedIndexList.Count)
{
return(false);
}
for (int i = 0; i < g_sortedIndexList.Count; i++)
{
if (g_sortedIndexList[i] != shape.g_sortedIndexList[i])
{
return(false);
}
}
return(true);
}