public Edge(Vertex v1, Vertex v2)
{
if (v1 == null || v2 == null)
throw new ArgumentNullException("One of the 2 vertices for this edge is null.");
else if(v1 == v2)
throw new Exception("The edge cannot exist from the same vertices.");
// Let the vertices know that they're being used in this edge.
v1.Edges.AddLast(this);
v2.Edges.AddLast(this);
_vertex1 = v1;
_vertex2 = v2;
}
/// <summary>
/// Fills Face[] using the available Vec3Vertices and Indices.
/// </summary>
public void CreateFaces()
{
var n = 3;
var faces = new List<Face>();
_idxForVertex = new Dictionary<uint, Vertex>();
_vertices = new Vertex[_vec3Vertices.Length];
#region getVertex(...) function
Func<ushort, Vertex> getVertex = idx =>
{
if (_idxForVertex.ContainsKey(idx))
{
return _idxForVertex[idx];
}
else
{
var vert = new Vertex(idx,
_vec3Vertices[idx],
_normals == null ?
new vec3()
: _normals[idx]);
_idxForVertex[idx] = vert;
_vertices[idx] = vert;
return vert;
}
};
#endregion getVertex(...) function
for (int i = 0; i < _indices.Length; i += n)
{
var idx0 = _indices[i];
var idx1 = _indices[i + 1];
var idx2 = _indices[i + 2];
Vertex v0 = getVertex(idx0);
Vertex v1 = getVertex(idx1);
Vertex v2 = getVertex(idx2);
//faces.Add(new Face(new Vertex[] { v0, v1, v2 }));
}
_faces = faces.ToArray();
}
