public static ObjModel Load(string filePath)
{
ObjModel result = new ObjModel();
string[] content = File.ReadAllLines(filePath);
foreach (string line in content)
{
string[] splits = line.Split(' ', StringSplitOptions.RemoveEmptyEntries);
if (splits.Length == 0)
{
continue;
}
foreach (var parser in Parsers)
{
if (parser.Keyword == splits[0])
{
parser.Parse(result, splits.Skip(1).ToArray());
}
}
}
return(result);
}
public void Parse(ObjModel model, string[] content)
{
Vector2 textureCoordinate = new Vector2();
for (int i = 0; i < content.Length; i++)
{
textureCoordinate[i] = float.Parse(content[i], CultureInfo.InvariantCulture);
}
model.TextureCoordinates.Add(textureCoordinate);
}
public void Parse(ObjModel model, string[] content)
{
Vector3 normal = new Vector3();
for (int i = 0; i < content.Length; i++)
{
normal[i] = float.Parse(content[i], CultureInfo.InvariantCulture);
}
model.Normals.Add(normal);
}
public void Parse(ObjModel model, string[] content)
{
Vector3 position = new Vector3();
for (int i = 0; i < content.Length; i++)
{
position[i] = float.Parse(content[i], CultureInfo.InvariantCulture);
}
model.Positions.Add(position);
}
public void Parse(ObjModel model, string[] content)
{
List <Vector3i> polygon = new List <Vector3i>();
for (int i = 0; i < content.Length; i++)
{
string[] vertex = content[i].Split('/');
Vector3i indices = new Vector3i();
for (int j = 0; j < vertex.Length; j++)
{
indices[j] = vertex[j] == string.Empty ? 0 : int.Parse(vertex[j]);
}
polygon.Add(indices);
}
model.CurrentMesh.Indices.AddRange(polygon);
}