public static Group OBJtoGroup(OBJ_File objFile)
{
Group masterGroup = new Group();
foreach (Group g in objFile.Groups)
{
masterGroup.AddShape(g);
}
return(masterGroup);
}
public static OBJ_File ParseOBJFile(string[] file)
{
int c = 0;
OBJ_File objFile = new OBJ_File();
objFile.Verticies.Add(null);
objFile.Normals.Add(null);
foreach (string s in file)
{
c++;
Console.WriteLine("OBJ Processing: Line# " + c + " / " + file.Length);
string[] currentLine = s.Split(' ');
if (currentLine[0] == "v")
{
objFile.Verticies.Add(Tuple.Point(double.Parse(currentLine[1]), double.Parse(currentLine[2]), double.Parse(currentLine[3])));
}
else if (currentLine[0] == "vn")
{
objFile.Normals.Add(Tuple.Vector(double.Parse(currentLine[1]), double.Parse(currentLine[2]), double.Parse(currentLine[3])));
}
else if (currentLine[0] == "f")
{
List <Tuple> verts = new List <Tuple>();
verts.Add(null);
List <Tuple> norms = new List <Tuple>();
norms.Add(null);
for (int i = 1; i < currentLine.Length; i++)
{
string[] temp = currentLine[i].Split("/");
int.TryParse(temp[0], out int result1);
if (temp.Length > 1)
{
int.TryParse(temp[2], out int result2);
norms.Add(objFile.Normals[result2]);
}
verts.Add(objFile.Verticies[result1]);
}
if (objFile.Normals.Count > 1)
{
List <SmoothTriangle> triangles = objFile.FanSmoothTriangulation(verts, norms);
foreach (SmoothTriangle t in triangles)
{
objFile.DefaultGroup.AddShape(t);
}
}
else
{
List <Triangle> triangles = objFile.FanTriangulation(verts);
foreach (Triangle t in triangles)
{
objFile.DefaultGroup.AddShape(t);
}
}
}
else if (currentLine[0] == "g")
{
if (objFile.DefaultGroup.Shapes.Count != 0)
{
objFile.Groups.Add(objFile.DefaultGroup);
objFile.DefaultGroup = new Group();
}
}
else
{
objFile.LinesIgnored++;
}
}
if (objFile.DefaultGroup.Shapes.Count != 0)
{
objFile.Groups.Add(objFile.DefaultGroup);
}
return(objFile);
}