public Face3D Point(int tag, float x, float y, float z)
{
Face3D f = new Face3D(1);
f.Points[0] = new Point3D(x, y, z);
f.Tag = tag;
this.Add(f);
return(f);
}
public Face3D Point(int tag, Point3D p)
{
Face3D f = new Face3D(1);
f.Points[0] = p;
f.Tag = tag;
this.Add(f);
return(f);
}
public Face3D Copy()
{
Face3D f = new Face3D(this.points.Length);
for (int i = 0; i < f.points.Length; i++)
f.points[i] = this.points[i];
f.tag = this.tag;
f.shadow = this.shadow;
return f;
}
public Canvas Draw(int width, int height, float angleX, float angleY, float angleZ, Point3D camera)
{
if (this.faces.Count == 0)
{
return(null);
}
Space3D faces = this.Copy();
Canvas c = new Canvas();
c.Open(width, height);
c.DrawBar(Brushes.White, 0, 0, c.Width, c.Height);
faces.Project((int)(angleX * 10f), (int)(angleY * 10f), (int)(angleZ * 10f), camera);
faces.SortDepth();
Limits2D lim = faces.Limits;
double d = (double)(c.Width - 10) / (double)(lim.MaxX - lim.MinX);
double scale = (double)(c.Height - 10) / (double)(lim.MaxY - lim.MinY);
if (scale > d)
{
scale = d;
}
List <TopMarks> top = new List <TopMarks>();
for (int i = 0; i < faces.Count; i++)
{
Face3D f = faces[i];
Color clr = Color.Black;
if ((f.Tag & 0xff000000) == 0x7f000000)
{
clr = Color.FromArgb((int)(f.Tag >> 16) & 0xff,
(int)(f.Tag >> 8) & 0xff,
(int)f.Tag & 0xff);
}
else
{
clr = this.GetColor(f.Tag);
}
int x;
int y;
if (f.Count > 1)
{
if (f.Shadow != 0)
{
clr = ColorUtils.DarkColor(clr, f.Shadow);
}
x = (int)((double)(f.Points[0].X - lim.MinX) * scale);
y = (int)((double)(f.Points[0].Y - lim.MinY) * scale);
Point[] plst = null;
if (f.Count > 2)
{
plst = new Point[f.Count];
plst[0] = new Point(x, y);
}
for (int j = 1; j < f.Count; j++)
{
int x0 = (int)((double)(f.Points[j].X - lim.MinX) * scale);
int y0 = (int)((double)(f.Points[j].Y - lim.MinY) * scale);
if (f.Count == 2)
{
c.DrawLine(new Pen(clr), x, y, x0, y0);
break;
}
else
{
plst[j] = new Point(x0, y0);
}
}
if (plst != null)
{
c.FillPolygon(new SolidBrush(clr), plst);
}
}
else
{
x = (int)((double)(f.Points[0].X - lim.MinX) * scale);
y = (int)((double)(f.Points[0].Y - lim.MinY) * scale);
Pen pen = null;
if (((clr.R + clr.G + clr.B) / 3) > 0x7f)
{
pen = Pens.Black;
}
else
{
pen = Pens.White;
}
switch (f.Shadow)
{
case -1:
c.TriangleMark(new SolidBrush(clr), pen, x, y, Space3D.ColorSignSize);
break;
case -2:
c.RectangleMark(new SolidBrush(clr), pen, x, y, Space3D.ColorSignSize);
break;
case -3:
c.PointMark(new SolidBrush(clr), x, y);
break;
case -101:
top.Add(new TopMarks(clr, x, y, -1));
break;
case -102:
top.Add(new TopMarks(clr, x, y, -2));
break;
case -103:
top.Add(new TopMarks(clr, x, y, -3));
break;
default:
c.CircleMark(new SolidBrush(clr), pen, x, y, Space3D.ColorSignSize >> 1);
break;
}
}
}
for (int i = 0; i < top.Count; i++)
{
TopMarks t = top[i];
Color clr = t.Color;
Pen pen = null;
if (((clr.R + clr.G + clr.B) / 3) > 0x7f)
{
pen = Pens.Black;
}
else
{
pen = Pens.White;
}
int x = t.X;
int y = t.Y;
switch (t.Shadow)
{
case -1:
c.TriangleMark(new SolidBrush(clr), pen, x, y, Space3D.ColorSignSize);
break;
case -2:
c.RectangleMark(new SolidBrush(clr), pen, x, y, Space3D.ColorSignSize);
break;
case -3:
c.PointMark(new SolidBrush(clr), x, y);
break;
}
}
return(c);
}
public void Add(Face3D face)
{
this.faces.Add(face);
}