public Bitmap DrawAll(Camera cam, ScreenConverter scr, Flat crossing, bool standard, bool firstHalf,
bool secondHalf, bool section)
{
Bitmap bmp = new Bitmap(scr.Size.Width, scr.Size.Height);
Graphics g = Graphics.FromImage(bmp);
List <PolyLine3D> lines = new List <PolyLine3D>();
foreach (Polyhedron m in Models)
{
if (standard)
{
foreach (PolyLine3D pl in m.GetLines())
{
var p = new PolyLine3D(pl.Line.ConvertAll(a => cam.Convert(a)));
lines.Add(p);
}
}
if (firstHalf)
{
foreach (PolyLine3D pl in m.Half(crossing, true))
{
var p = new PolyLine3D(pl.Line.ConvertAll(a => cam.Convert(a)));
lines.Add(p);
}
}
if (secondHalf)
{
foreach (PolyLine3D pl in m.Half(crossing, false))
{
var p = new PolyLine3D(pl.Line.ConvertAll(a => cam.Convert(a)));
lines.Add(p);
}
}
if (section)
{
var pl = m.Section(crossing);
if (pl != null)
{
var p = new PolyLine3D(pl.Line.ConvertAll(a => cam.Convert(a)));
lines.Add(p);
}
}
}
lines.Sort(new Comparison <PolyLine3D>((a, b) => { return((int)(a.Line.Average(x => x.Z) - b.Line.Average(x => x.Z))); }));
foreach (PolyLine3D pl in lines)
{
var p = pl.Line.ConvertAll(a => scr.Convert(new Vector3(a.X, a.Y, 0))).ToArray();
g.DrawLines(Pens.Black, p);
}
lines.Clear();
g.Dispose();
return(bmp);
}
public For_Lab6()
{
InitializeComponent();
scene = new Scene();
camera = new Camera();
MouseWheel += new MouseEventHandler(For_Lab6_MouseWheel);
modelsCB.Items.AddRange(new object[]
{
Polyhedrons.Prisma,
Polyhedrons.Brick
});
scene.Models.Add((Polyhedron)modelsCB.Items[0]);
current_index = modelsCB.SelectedIndex = 0;
crossing_flat = new Flat((float)aNumeric.Value, (float)bNumeric.Value,
(float)cNumeric.Value, (float)dNumeric.Value);
}
public bool IsParallelOrEqualTo(Flat flat)
{
if (A == 0)
{
if (B == 0)
{
if (C == 0)
{
return(false);
}
return(flat.A == 0 && flat.B == 0);
}
if (C == 0)
{
return(flat.A == 0 && flat.C == 0);
}
if (flat.A != 0)
{
return(false);
}
return(flat.B / B == flat.C / C);
}
if (B == 0)
{
if (C == 0)
{
return(flat.B == 0 && flat.C == 0);
}
if (flat.B != 0)
{
return(false);
}
return(flat.A / A == flat.C / C);
}
if (C == 0)
{
if (flat.C != 0)
{
return(false);
}
return(flat.A / A == flat.B / B);
}
float k = flat.A / A;
return(flat.B / B == k && flat.C / C == k);
}
