public static Figure get_Rotation(List <Point3D> pnts, Point3D axis1, Point3D axis2, int divs)
{
Figure res = new Figure();
Figure edge = new Figure();
int cnt_pnt = pnts.Count;
edge.points = pnts.Select(x => new Point3D(x)).ToList();
res.points = pnts.Select(x => new Point3D(x)).ToList();
int cur_ind = res.points.Count;
float ang = (float)360 / divs;
for (int i = 0; i < divs; i++)
{
edge.line_rotate(ang, axis1, axis2);
cur_ind = res.points.Count;
for (int j = 0; j < cnt_pnt; j++)
{
res.points.Add(new Point3D(edge.points[j]));
}
for (int j = cur_ind; j < res.points.Count - 1; j++)
{
Side s = new Side(res);
s.points.AddRange(new int[] { j, j + 1, j + 1 - cnt_pnt, j - cnt_pnt });
res.sides.Add(s);
}
}
res.set_pen(new Pen(Color.Magenta));
return(res);
}
static public Figure get_Torus(float sz, int d = 100)
{
sz /= 2;
List <Point3D> crcl = new List <Point3D>();
float ang = 0;
float a = (float)(2 * Math.PI / d);
for (int i = 0; i <= d; ++i)
{
crcl.Add(new Point3D((float)Math.Cos(ang) * sz, 0, (float)Math.Sin(ang) * sz));
ang += a;
}
Figure res = get_Rotation(crcl, new Point3D(-(float)(sz * 2.5), 0, 0), new Point3D(-(float)(sz * 2.5), 0, 1), d);
res.offset((float)(sz * 2.5), 0, 0);
res.set_pen(new Pen(Color.Tomato));
return(res);
}
///
/// --------------------SAVE/LOAD METHODS------------------------------------------
///
public static Figure parse_figure(string filename)
{
Figure res = new Figure();
List <string> lines = System.IO.File.ReadLines(filename).ToList();
var st = lines[0].Split(new char[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
if (st[0] == "rotation")
{
return(parse_rotation(lines));
}
else
{
int count_points = Int32.Parse(st[0]);
Dictionary <string, int> pnts = new Dictionary <string, int>();
for (int i = 0; i < count_points; ++i)
{
string[] str = lines[i + 1].Split(new char[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
res.points.Add(new Point3D(float.Parse(str[1]), float.Parse(str[2]), float.Parse(str[3])));
pnts.Add(str[0], i);
}
int count_sides = Int32.Parse(lines[count_points + 1]);
for (int i = count_points + 2; i < lines.Count(); ++i)
{
Side s = new Side(res);
List <string> str = lines[i].Split(new char[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries).ToList();
foreach (var id in str)
{
s.points.Add(pnts[id]);
}
res.sides.Add(s);
}
res.set_pen(new Pen(Color.Red));
return(res);
}
}
