static public double[,] FormOrtoghraphicsMatr(OrtMode m)
{
double[,] matr = new double[4, 4]
{
{ 1, 0, 0, 0 },
{ 0, 1, 0, 0 },
{ 0, 0, 1, 0 },
{ 0, 0, 0, 1 }
};
switch (m)
{
case OrtMode.XY:
matr[2, 2] = 0;
break;
case OrtMode.XZ:
matr[1, 1] = 0;
break;
case OrtMode.YZ:
matr[0, 0] = 0;
break;
}
return(matr);
}
private PointF ToOrtographics(Point3D p, OrtMode om)
{
var vector_p = PointToVector(p);
var new_vector_p = MatrixMultiplication(vector_p, ortographics_matr);
return(VectorToPoint(new_vector_p));
}
static public List <Edge> GetAxis(Point3D center, Mode m, OrtMode om, int c)
{
List <Edge> res = new List <Edge>();
Edge3D x = new Edge3D(center, new Point3D(center.X + 200, center.Y, center.Z));
Edge3D y = new Edge3D(center, new Point3D(center.X, center.Y - 200, center.Z));
Edge3D z = new Edge3D(center, new Point3D(center.X, center.Y, center.Z + 200));
switch (m)
{
case Mode.Orthographic:
res.Add(EdgeToProjection(x, Mode.Orthographic, om));
res.Add(EdgeToProjection(y, Mode.Orthographic, om));
res.Add(EdgeToProjection(z, Mode.Orthographic, om));
break;
case Mode.Isometric:
res.Add(EdgeToProjection(x, Mode.Isometric));
res.Add(EdgeToProjection(y, Mode.Isometric));
res.Add(EdgeToProjection(z, Mode.Isometric));
break;
case Mode.Perspective:
res.Add(EdgeToProjection(x, Mode.Perspective, OrtMode.XY, 1600));
res.Add(EdgeToProjection(y, Mode.Perspective, OrtMode.XY, 1600));
res.Add(EdgeToProjection(z, Mode.Perspective, OrtMode.XY, 1600));
break;
}
return(res);
}
public Projector(int c, OrtMode om = OrtMode.XY)
{
z_length = c;
ort_mode = om;
FormOrtoghraphicsMatr(ort_mode);
FormIsometricMatr();
FormPerspectiveMatr(z_length);
}
static public List <Edge> ToOrtographics(Polyhedron ph, OrtMode plain)
{
List <Edge> edges = new List <Edge>();
var edges_3d = ph.PreparePrint();
var ort_matr = FormOrtoghraphicsMatr(plain);
foreach (var edge in edges_3d)
{
var new_start = MatrixMultiplication(PointToVector(edge.start), ort_matr);
var new_end = MatrixMultiplication(PointToVector(edge.end), ort_matr);
edges.Add(new Edge(VectorToPoint(new_start), VectorToPoint(new_end)));
}
return(edges);
}
private void Ortyz_CheckedChanged(object sender, EventArgs e)
{
if (Ortyz.Checked)
{
Ortxz.Checked = false;
Ortxy.Checked = false;
cur_ort_mode = OrtMode.YZ;
ort_button.Enabled = true;
Draw();
}
else
{
OrtButtonAvailability();
}
}
static public Edge EdgeToProjection(Edge3D e, Mode m, OrtMode om = OrtMode.XY, int c = 0)
{
double[,] matr = new double[4, 4];
switch (m)
{
case Mode.Orthographic:
matr = FormOrtoghraphicsMatr(om);
break;
case Mode.Isometric:
matr = FormIsometricMatr();
break;
case Mode.Perspective:
matr = FormPerspectiveMatr(c);
break;
}
var new_start = VectorToPoint(MatrixMultiplication(PointToVector(e.start), matr));
var new_end = VectorToPoint(MatrixMultiplication(PointToVector(e.end), matr));
return(new Edge(new_start, new_end));
}
private void FormOrtoghraphicsMatr(OrtMode m)
{
ortographics_matr = new double[4, 4]
{
{ 1, 0, 0, 0 },
{ 0, 1, 0, 0 },
{ 0, 0, 1, 0 },
{ 0, 0, 0, 1 }
};
switch (m)
{
case OrtMode.XY:
ortographics_matr[2, 2] = 0;
break;
case OrtMode.XZ:
ortographics_matr[1, 1] = 0;
break;
case OrtMode.YZ:
ortographics_matr[0, 0] = 0;
break;
}
}
public void Update(OrtMode om)
{
ort_mode = om;
}
