private TriMesh openBinary(string fileName)
{
UInt32 triCountBin = 0;
var triangles = new TriMesh();
try
{
if (fileName != null && fileName != "" & System.IO.File.Exists(fileName))
{
using (System.IO.BinaryReader br = new System.IO.BinaryReader(System.IO.File.Open(fileName, System.IO.FileMode.Open)))
{
br.BaseStream.Seek(0, System.IO.SeekOrigin.Begin);
char[] header = new char[80];
UInt32 triIndex = 0;
header = br.ReadChars(80);
triCountBin = br.ReadUInt32();
while (triIndex < triCountBin && br.BaseStream.Position < br.BaseStream.Length)
{
double n1 = br.ReadSingle();
double n2 = br.ReadSingle();
double n3 = br.ReadSingle();
double v1x = br.ReadSingle();
double v1y = br.ReadSingle();
double v1z = br.ReadSingle();
double v2x = br.ReadSingle();
double v2y = br.ReadSingle();
double v2z = br.ReadSingle();
double v3x = br.ReadSingle();
double v3y = br.ReadSingle();
double v3z = br.ReadSingle();
UInt16 attr = br.ReadUInt16();
Vector3 norm = new Vector3(n1, n2, n3);
Vector3 p1 = new Vector3(v1x, v1y, v1z);
Vector3 p2 = new Vector3(v2x, v2y, v2z);
Vector3 p3 = new Vector3(v3x, v3y, v3z);
triangles.Add(new Triangle(p1, p2, p3, triIndex));
triIndex++;
}
}
}
return(triangles);
}
catch (Exception)
{
throw;
}
}
private TriMesh openAscii(string fileName)
{
var file = openTextFile(fileName);
var triMesh = new TriMesh();
try
{
UInt32 triIndex = 0;
for (int i = 0; i < file.Count; i++)
{
if (file[i].Contains("normal"))
{
triMesh.Add(new Triangle(parseVertex(file[i + 2]), parseVertex(file[i + 3]), parseVertex(file[i + 4]), parseVector(file[i]), triIndex));
triIndex++;
}
}
int triCount = triMesh.Count;
return(triMesh);
}
catch (Exception)
{
throw;
}
}