public void setRights(Vert2fc ul, Vert2fc dr, Vert2fc ur)
{
rightTriangles[0] = ul;
rightTriangles[1] = dr;
rightTriangles[2] = ur;
}
public void setLefts(Vert2fc ul, Vert2fc dl, Vert2fc dr)
{
leftTriangles[0] = ul;
leftTriangles[1] = dl;
leftTriangles[2] = dr;
}