public Vec GlobalCoordinatesOf(Vec localCoords)
{
Vec local = Vec.Ensure3D(localCoords);
Vec xt = Vec.Multiply(_x, local.Coordinates[0]);
Vec yt = Vec.Multiply(_x, local.Coordinates[1]);
Vec zt = Vec.Multiply(_x, local.Coordinates[2]);
return(Vec.Sum(_origin, xt, yt, zt));
}
//transforms the given point 'vec' from the coord system of this plane to global (or what ever system the cooridnates of this plane
//are in
public Vec ToGlobal(Vec vec)
{
Vec v = Vec.Ensure3D(vec);
Vec fromOrigin = Vec.Sum(
X.Multiply(v.Coordinates[0]),
Y.Multiply(v.Coordinates[1]),
Z.Multiply(v.Coordinates[2])
);
return(Vec.Sum(fromOrigin, Origin));
}
public Mesh(List<Vec> vertices, List<ulong[]> faces)
{
_vertices = vertices.Select((v) => Vec.Ensure3D(v)).ToList();
_faces = new List<ulong[]>();
foreach(var face in faces)
{
//skipping the faces that have other than 3 or 4 vertices
if(face.Length != 3 && face.Length != 4) { continue; }
_faces.Add(face);
}
}