protected override void Add(Match match, ObjModel model)
{
int id1 = int.Parse(match.Groups[1].Value) - 1;
int id2 = int.Parse(match.Groups[2].Value) - 1;
model.Lines.Add(new Line(model.Vertices[id1], model.Vertices[id2]));
}
public bool ParseLine(string text, ObjModel model)
{
Match match = Regex.Match(text, Match);
if (!match.Success)
{
return(false);
}
Add(match, model);
return(true);
}
protected override void Add(Match match, ObjModel model)
{
double x = double.Parse(match.Groups[1].Captures[0].Value);
double y = double.Parse(match.Groups[1].Captures[1].Value);
double z = double.Parse(match.Groups[1].Captures[2].Value);
double w = 0;
if (match.Groups.Count == 8)
{
w = double.Parse(match.Groups[1].Captures[3].Value);
}
model.Vertices.Add(new Vertex(x, y, z, w));
}
protected override void Add(Match match, ObjModel model)
{
List <Vertex> vertices = new List <Vertex>();
foreach (Capture capture in match.Groups[2].Captures)
{
int index = int.Parse(capture.Value);
if (index > 0)
{
index = index - 1;
}
else if (index < 0)
{
index = model.Vertices.Count - index;
}
vertices.Add(model.Vertices[index]);
}
model.Faces.Add(new Face(vertices.ToArray()));
}
public static ObjModel Import(string obj)
{
string[] lines = obj.Split(
new[] { "\r\n", "\r", "\n" },
StringSplitOptions.None
);
ObjModel model = new ObjModel();
foreach (string line in lines)
{
foreach (ObjImportParser parser in LineParsers)
{
if (parser.ParseLine(line, model))
{
break;
}
}
}
return(model);
}
protected abstract void Add(Match match, ObjModel model);