public Mesh(point3[] meshVerts, triangle[] meshFaces, point2[] meshUvs, Material[] mtls = null)
{
verts = meshVerts;
vertCount = verts.Length;
faces = meshFaces;
faceCount = faces.Length;
uvVerts = meshUvs;
matIDs = mtls;
}
static Mesh loadObj(string loc)
{
StreamReader r = new StreamReader(loc + ".obj");
List<Mesh.point3> loadedVerts = new List<Mesh.point3>();
List<Mesh.point2> loadedUvs = new List<Mesh.point2>();
List<Mesh.triangle> loadedFaces = new List<Mesh.triangle>();
List<Mesh.triangle> loadedUvFaces = new List<Mesh.triangle>();
List<Material> mtls = new List<Material>();
int vertCount = 0;
int faceCount = 0;
while (!r.EndOfStream)
{
string e1 = r.ReadLine();
if (e1 != "")
{
if (e1[0] == 'v' && e1[1] == 't')//texture verticies
{
string temp = e1.Substring(3, e1.Length - 3);
string[] coords = temp.Split(' ');
Mesh.point2 p = new Mesh.point2(float.Parse(coords[0]), float.Parse(coords[1]));
loadedUvs.Add(p);
}
else if (e1[0] == 'v')//vertex
{
vertCount++;
string temp = e1.Substring(3, e1.Length - 3);
string[] coords = temp.Split(' ');
Mesh.point3 p = new Mesh.point3(float.Parse(coords[0]) * 100, float.Parse(coords[1]) * 100, float.Parse(coords[2]));
//if z is positive it's off screen, z=0 we clip
loadedVerts.Add(p);
}
else if (e1[0] == 'u')
{//use this mtl for rest of faces faces material
Material m = new Material(e1.Substring(7, e1.Length - 7));
mtls.Add(m);
}
else if (e1[0] == 'f')//edge
{
faceCount++;
string temp = e1.Substring(2, e1.Length - 2);
string[] coords = temp.Split(' ', '/');
Mesh.triangle f = new Mesh.triangle(int.Parse(coords[0]) - 1, int.Parse(coords[2]) - 1, int.Parse(coords[4]) - 1, /*UV ID's*/ int.Parse(coords[1]) - 1, int.Parse(coords[3]) - 1, int.Parse(coords[5]) - 1, mtls.Count);
// Mesh.triangle uvf = new Mesh.triangle(int.Parse(coords[1]), int.Parse(coords[3]), int.Parse(coords[5]));
loadedFaces.Add(f);
// loadedUvFaces.Add(uvf);
}
}
}
return (new Mesh(loadedVerts.ToArray(), loadedFaces.ToArray(), loadedUvs.ToArray(), mtls.ToArray()));
}