public override bool Equals(object obj)
{
if (this == obj)
{
return(true);
}
if (obj == null)
{
return(false);
}
if (GetType() != obj.GetType())
{
return(false);
}
IndexConnection other = (IndexConnection)obj;
if (edgeVertexIndex1 != other.edgeVertexIndex1)
{
return(false);
}
if (edgeVertexIndex2 != other.edgeVertexIndex2)
{
return(false);
}
if (fromTriIndex != other.fromTriIndex)
{
return(false);
}
if (toTriIndex != other.toTriIndex)
{
return(false);
}
return(true);
}
private static HashSet <IndexConnection> GetIndexConnections(int[] indices)
{
var indexConnections = new HashSet <IndexConnection>();
int[] edge = { -1, -1 };
short i = 0;
int j, a0, a1, a2, b0, b1, b2, triAIndex, triBIndex;
while (i < indices.Length)
{
triAIndex = (short)(i / 3); // A三角形编号
a0 = indices[i++];
a1 = indices[i++];
a2 = indices[i++];
j = i;
while (j < indices.Length)
{
triBIndex = (short)(j / 3); // B三角形编号
b0 = indices[j++];
b1 = indices[j++];
b2 = indices[j++];
if (HasSharedEdgeIndices(a0, a1, a2, b0, b1, b2, edge))
{
var indexConnection1 = new IndexConnection(edge[0], edge[1], triAIndex, triBIndex);
var indexConnection2 = new IndexConnection(edge[1], edge[0], triBIndex, triAIndex);
indexConnections.Add(indexConnection1);
indexConnections.Add(indexConnection2);
edge[0] = -1;
edge[1] = -1;
// Debug.LogError("共享边：{} ->
// {}",indexConnection1.ToString(),indexConnection2.ToString());
}
}
}
Debug.Log($"连接个数：{indexConnections.Count}");
return(indexConnections);
}
