private void addFaceVert(Face f, int v)
{
List<Face> faces;
if (this.vertexToFace.TryGetValue(v, out faces)) {
faces.Add(f);
} else {
this.vertexToFace[v] = new List<Face>() { f };
}
}
public Vec3 GetFaceCenter(Face faceToExtrude)
{
return LinearAlgebra.GetCenter(faceToExtrude.GetVertexPositions());
}
public void RemoveFace(Face face)
{
this.faces.Remove(face);
}
public static Model ConstructFromVerticesAndIndices(List<Vec3> vertices, params List<int>[] indices)
{
Model toReturn = new Model();
toReturn.vertices = vertices;
foreach (var faceSet in indices) {
var newFace = new Face(faceSet, toReturn);
toReturn.faces.Add(newFace);
for (int i = 0; i < faceSet.Count; i++) {
var idx1 = i;
var idx2 = (i + 1) % faceSet.Count;
var e = new Edge(idx1, idx2);
toReturn.edges.Add(e);
toReturn.addEdgeVert(e, i);
toReturn.addFaceVert(newFace, i);
}
}
return toReturn;
}
