public RobotRenderer()
{
robotModel = ObjMeshLoader.Load("Data/Models/dragon.obj");
xPosition = 0;
yPosition = -0.25;
zPosition = 0;
}
static ObjMesh load(TextReader textReader)
{
vertices = new List<Vector3>();
normals = new List<Vector3>();
texCoords = new List<Vector2>();
objVerticesIndexDictionary = new Dictionary<ObjVertex, int>();
objVertices = new List<ObjVertex>();
objTriangles = new List<ObjTriangle>();
objQuads = new List<ObjQuad>();
ObjMesh mesh = new ObjMesh();
string line;
while ((line = textReader.ReadLine()) != null)
{
line = line.Trim(SPLIT_CHARACTERS);
line = line.Replace(" ", " ");
string[] parameters = line.Split(SPLIT_CHARACTERS);
switch (parameters[0])
{
case "p": // Point
break;
case "v": // Vertex
float x = float.Parse(parameters[1], CultureInfo.InvariantCulture);
float y = float.Parse(parameters[2], CultureInfo.InvariantCulture);
float z = float.Parse(parameters[3], CultureInfo.InvariantCulture);
vertices.Add(new Vector3(x, y, z));
break;
case "vt": // TexCoord
float u = float.Parse(parameters[1], CultureInfo.InvariantCulture);
float v = float.Parse(parameters[2], CultureInfo.InvariantCulture);
texCoords.Add(new Vector2(u, v));
break;
case "vn": // Normal
float nx = float.Parse(parameters[1], CultureInfo.InvariantCulture);
float ny = float.Parse(parameters[2], CultureInfo.InvariantCulture);
float nz = float.Parse(parameters[3], CultureInfo.InvariantCulture);
normals.Add(new Vector3(nx, ny, nz));
break;
case "f":
switch (parameters.Length)
{
case 4:
ObjTriangle objTriangle = new ObjTriangle();
objTriangle.Index0 = parseFaceParameter(parameters[1]);
objTriangle.Index1 = parseFaceParameter(parameters[2]);
objTriangle.Index2 = parseFaceParameter(parameters[3]);
objTriangles.Add(objTriangle);
break;
case 5:
ObjQuad objQuad = new ObjQuad();
objQuad.Index0 = parseFaceParameter(parameters[1]);
objQuad.Index1 = parseFaceParameter(parameters[2]);
objQuad.Index2 = parseFaceParameter(parameters[3]);
objQuad.Index3 = parseFaceParameter(parameters[4]);
objQuads.Add(objQuad);
break;
}
break;
}
}
mesh.Vertices = objVertices.ToArray();
mesh.Triangles = objTriangles.ToArray();
mesh.Quads = objQuads.ToArray();
return mesh;
}