private Vector2 GetTextureCoord(ObjLoader.Loader.Data.VertexData.Texture texture)
{
return(new Vector2(texture.X, texture.Y));
}
protected Vector2 toVector(ObjLoader.Loader.Data.VertexData.Texture v)
{
return(new Vector2(v.X, v.Y));
}
private static Vector2 ConvertTexCoord(ObjLoader.Loader.Data.VertexData.Texture tex)
{
return(new Vector2(tex.X, tex.Y));
}
protected void TriangleMeshAdapater(LoadResult objmesh)
{
HashSet <string> uniqPairs = new HashSet <string> ();
List <Face> newFaces = new List <Face> ();
foreach (Face face in objmesh.Groups[0].Faces)
{
// Create vertex/tex pairs list
for (int i = 0; i < face.Count; i++)
{
FaceVertex fv = face [i];
string pairName = string.Format("{0}/{1}", fv.VertexIndex, fv.TextureIndex < 0 ? 0 : fv.TextureIndex);
uniqPairs.Add(pairName);
}
// Split quads into triangles
if (face.Count == 4) // a quad
//throw new NotImplementedException ("Face needs to be triangulated!");
{
Face glface = new Face();
glface.AddVertex(new FaceVertex(face [0].VertexIndex, face [0].TextureIndex, face [0].NormalIndex));
glface.AddVertex(new FaceVertex(face [2].VertexIndex, face [2].TextureIndex, face [2].NormalIndex));
glface.AddVertex(new FaceVertex(face [3].VertexIndex, face [3].TextureIndex, face [3].NormalIndex));
// Added the following in Face.cs
//public void RemoveVertexAt (int index) { _vertices.RemoveAt (index); }
face.RemoveVertexAt(3);
newFaces.Add(glface);
}
else if (face.Count > 4)
{
throw new NotImplementedException("Face needs to be triangulated!");
}
}
((List <Face>)(objmesh.Groups [0].Faces)).AddRange(newFaces);
// Build OpenGL vertex / tex arrrays
int nbPairs = uniqPairs.Count;
string [] pairs = new string [nbPairs];
uniqPairs.CopyTo(pairs);
Points = new Point3DCollection(nbPairs);
TexCoords = new PointCollection(nbPairs);
foreach (string pairName in pairs)
{
string [] def = pairName.Split('/');
ObjLoader.Loader.Data.VertexData.Vertex vertex = objmesh.Vertices [Convert.ToInt32(def [0]) - 1];
Points.Add(new Point3D(vertex.X, vertex.Y, vertex.Z));
ObjLoader.Loader.Data.VertexData.Texture t = objmesh.Textures [Convert.ToInt32(def [1]) == 0 ? 0 : Convert.ToInt32(def [1]) - 1];
TexCoords.Add(new System.Windows.Point(t.X, 1.0 - t.Y));
//System.Diagnostics.Debug.Print ("{0}\t- {1},\t{2},\t{3}\t- {4}\t{5}", Points.Count, vertex.X, vertex.Y, vertex.Z, t.X, t.Y) ;
}
//System.Diagnostics.Debug.Print (" ") ;
Normals = new Vector3DCollection();
Indices = new Int32Collection();
foreach (Face face in objmesh.Groups[0].Faces)
{
for (int i = 0; i < face.Count; i++)
{
FaceVertex fv = face [i];
string pairName = string.Format("{0}/{1}", fv.VertexIndex, fv.TextureIndex < 0 ? 0 : fv.TextureIndex);
int index = Array.IndexOf(pairs, pairName);
Indices.Add(index);
//System.Diagnostics.Debug.Print ("{0}\t/{1}\t= {2}", i, pairName, index) ;
}
}
}
