public Triangle(TriangleVertex nd1, TriangleVertex nd2, TriangleVertex nd3)
{
vetices[0] = nd1;
vetices[1] = nd2;
vetices[2] = nd3;
index = new int[0];
}
private void GetVertexInZone(TriangleVertex node, ref int column, ref int row)
{
double X, Y;
X = node.Location.X - bounds.X;
column = (int)(X / zonesize);
Y = node.Location.Y - bounds.Y;
row = (int)(Y / zonesize);
}
public Triangle(TriangleVertex nd1, TriangleVertex nd2, TriangleVertex nd3,
int node1Index, int node2Index, int node3Index)
{
vetices[0] = nd1;
vetices[1] = nd2;
vetices[2] = nd3;
index = new int[3];
index[0] = node1Index;
index[1] = node2Index;
index[2] = node3Index;
}
public void ZoneTheModel(int zoneDensity)
{
try
{
int numZones = numZones = (int)(((meshmodel.TriangleIndices.Count / 3) * 1.2 / zoneDensity) + 1);
double zoneArea = (bounds.SizeX * bounds.SizeY) / numZones;
zonesize = System.Math.Sqrt(zoneArea);
zonecountX = (int)((bounds.SizeX / zonesize) + 1);
zonecountY = (int)((bounds.SizeY / zonesize) + 1);
numZones = zonecountX * zonecountY;
zonecollection = new List <TriZone>(numZones)
{
};
for (int i = 0; i < numZones; i++)
{
zonecollection.Add(new TriZone(zoneDensity));
}
int[] col = new int[3];
int[] row = new int[3];
for (int p = 0; p < meshmodel.TriangleIndices.Count - 3; p++)
{
Vector3D vN =
KneeInnovation3D.EntityTools.MeshGeometryFunctions.CalculateNorms(meshmodel.Positions[meshmodel.TriangleIndices[p]],
meshmodel.Positions[meshmodel.TriangleIndices[p + 1]], meshmodel.Positions[meshmodel.TriangleIndices[p + 2]]);
TriangleVertex t = new TriangleVertex(meshmodel.Positions[meshmodel.TriangleIndices[p]], vN);
TriangleVertex t1 = new TriangleVertex(meshmodel.Positions[meshmodel.TriangleIndices[p + 1]], vN);
TriangleVertex t2 = new TriangleVertex(meshmodel.Positions[meshmodel.TriangleIndices[p + 2]], vN);
GetVertexInZone(t, ref col[0], ref row[0]);
GetVertexInZone(t1, ref col[1], ref row[1]);
GetVertexInZone(t2, ref col[2], ref row[2]);
System.Array.Sort(col);
System.Array.Sort(row);
for (int c = col[0]; c <= col[col.Length - 1]; c++)
{
for (int r = row[0]; r <= row[row.Length - 1]; r++)
{
int zn = (r * zonecountX) + c;
Triangle tri = new Triangle(t, t1, t2);
zonecollection[zn].Triangles.Add(tri);
}
}
p++;
p++;
}
for (int i = 0; i < numZones; i++)
{
zonecollection[i].Triangles.TrimExcess();
}
}
catch
{
zonecollection = new List <TriZone> {
};
throw;
}
}