private void button1_Click(object sender, EventArgs e)
{
//Polygon pol = new Polygon(points);
//drawPolygon(pol, Color.Black);
double phi_a = double.Parse(textBoxPhi.Text);
double psi_a = double.Parse(textBoxPsi.Text);
double view_x = double.Parse(textBoxViewVectorX.Text);
double view_y = double.Parse(textBoxViewVectorY.Text);
double view_z = double.Parse(textBoxViewVectorZ.Text);
ClearPic1();
ClearPic3(phi_a, psi_a);
string ax = comboBoxBuildAxis.SelectedItem.ToString();
int cnt = Int32.Parse(textBoxBuildCount.Text);
PointPol rotate_around = new PointPol(0, 0, 0);
buildPolsRotate(ax, cnt, ref rotate_around);
drawPols(pols_rotate, phi_a, psi_a, new PointPol(view_x, view_y, view_z));
buildFig(rotate_around);
buildFig(rotate_around);
//drawPols(fig);
fig_drawed = false;
}
private void drawPolygon(Polygon pol, Color c,
double phi_a, double psi_a, PointPol view_vector)
{
List <Tuple <Point, Point> > l = pol.to2d();
foreach (var p in l)
{
//g.DrawLine(new Pen(c), p.Item1, p.Item2);
}
Point[] ps = new Point[pol.points.Count()];
int i = 0;
foreach (var item in pol.points)
{
ps[i] = item.To2D(phi_a, psi_a);
++i;
}
g.DrawPolygon(new Pen(c), ps);
if (pol.points.Count() > 2)
{
if (isVisible(pol, view_vector))
{
List <Tuple <Point, Point> > l2 = pol.to2d(phi_a, psi_a);
foreach (var p in l2)
{
//g3.DrawLine(new Pen(c), p.Item1, p.Item2);
}
g3.FillPolygon(new SolidBrush(c), ps);
}
}
}
public double pitch, yaw, roll; //Тангаж, рысканье и крен
//public PointPol view;
public Camera(double x, double y, double z, double p, double ya, double r)
{
position = new PointPol(x, y, z);
pitch = p * Math.PI / 180;
yaw = ya * Math.PI / 180;
roll = r * Math.PI / 180;
}
public void write_axes1()
{
PointPol p0 = new PointPol(0, 0, 0);
PointPol p1 = new PointPol(pictureBox1.Width / 2, 0, 0);
PointPol p2 = new PointPol(0, pictureBox1.Width / 2, 0);
PointPol p3 = new PointPol(0, 0, pictureBox1.Width / 2);
Point o = p0.To2D();
Point x = p1.To2D();
Point y = p2.To2D();
Point z = p3.To2D();
Font font = new Font("Arial", 8);
SolidBrush brush = new SolidBrush(Color.Black);
g.DrawString("X", font, brush, x);
g.DrawString("Y", font, brush, y);
g.DrawString("Z", font, brush, z);
Pen my_pen = new Pen(Color.Blue);
g.DrawLine(my_pen, o, x);
my_pen.Color = Color.Red;
g.DrawLine(my_pen, o, y);
my_pen.Color = Color.Green;
g.DrawLine(my_pen, o, z);
pictureBox1.Image = pictureBox1.Image;
}
private void make_curve(ref List <PointPol> l, double x, double y0, double y1, double step)
{
for (double y = y0; y <= y1; y += step)
{
PointPol p = new PointPol(x, y, f(x, y));
l.Add(p);
}
}
private void buildPolsRotate(string axis, int cnt, ref PointPol rotate_around)
{
pols_rotate.Clear();
List <PointPol> l1 = new List <PointPol>(points);
double a = 0, b = 0, c = 0;
Polygon pol = new Polygon(l1);
//pol.find_center(ref a, ref b, ref c);
pol.closest_to_zero(axis, ref a, ref b, ref c);
Vector dir = new Vector(new PointPol(0, 0, 0), new PointPol(1, 0, 0));
if (axis == "X")
{
dir = new Vector(new PointPol(0, 0, 0), new PointPol(1, 0, 0));
for (int i = 0; i < l1.Count(); ++i)
{
l1[i] = l1[i].shift(0, -b, 0);
}
rotate_around.X = a; rotate_around.Y = 0; rotate_around.Z = c;
}
if (axis == "Y")
{
dir = new Vector(new PointPol(0, 0, 0), new PointPol(0, 1, 0));
for (int i = 0; i < l1.Count(); ++i)
{
l1[i] = l1[i].shift(-a, 0, 0);
}
rotate_around.X = 0; rotate_around.Y = b; rotate_around.Z = c;
}
if (axis == "Z")
{
dir = new Vector(new PointPol(0, 0, 0), new PointPol(0, 0, 1));
for (int i = 0; i < l1.Count(); ++i)
{
l1[i] = l1[i].shift(0, -b, 0);
}
rotate_around.X = a; rotate_around.Y = 0; rotate_around.Z = c;
}
double angle = 360.0 / cnt;
for (int i = 0; i < cnt; ++i)
{
List <PointPol> l2 = new List <PointPol>(l1);
for (int j = 0; j < l2.Count(); ++j)
{
l2[j] = l2[j].rotate(dir, angle, 0, 0, 0);
}
pols_rotate.Add(new Polygon(l1));
l1 = l2;
}
}
public point3 ViewPortTranform(PointPol p)
{
int h = pictureBox2.Image.Height;
int w = pictureBox2.Image.Width;
return(new point3((int)((1 + p.X) * w / 2),
(int)((1 + p.Y) * h / 2),
(int)(p.Z * 100000000), p));
}
private bool isVisible(Polygon pol, PointPol view_vector)
{
PointPol vecNorm = normVecOfPlane(pol.points[0], pol.points[1], pol.points[2]);
if (comboBoxBuildAxis.SelectedItem.ToString() == "X")
{
return(scalarProduct(vecNorm, view_vector) < 0);
}
return(scalarProduct(vecNorm, view_vector) > 0);
}
private void buildFig(PointPol rotate_around)
{
fig.Clear();
if (pols_rotate.Count() > 1)
{
for (int i = 1; i < pols_rotate.Count(); ++i)
{
buildPartOfFig(pols_rotate[i - 1], pols_rotate[i]);
}
buildPartOfFig(pols_rotate.Last(), pols_rotate.First());
}
}
private void drawPols(List <Polygon> pols, double phi_a, double psi_a, PointPol view_vector)
{
int i = 1;
Random r = new Random();
foreach (var item in pols)
{
drawPolygon(item, item.color, phi_a, psi_a, view_vector);
i += 10;
}
pictureBox1.Image = pictureBox1.Image;
pictureBox3.Image = pictureBox3.Image;
}
private void addPoints(ref List <int> points, ref int cnt, PointPol p)
{
if (d.ContainsKey(p))
{
points.Add(d[p]);
}
else
{
d.Add(p, cnt);
points.Add(cnt);
cnt++;
}
}
/*private void buttonPlus_Click(object sender, EventArgs e)
* {
* double curr_ind = 1.2;
* ind *= curr_ind;
* double phi_a = hScrollBar1.Value;
* double psi_a = hScrollBar2.Value;
* double view_x = double.Parse(textBoxViewVectorX.Text);
* double view_y = double.Parse(textBoxViewVectorY.Text);
* double view_z = double.Parse(textBoxViewVectorZ.Text);
*
* scalePols(pols_rotate, curr_ind);
* scalePols(fig, curr_ind);
*
* reDrawPols(phi_a, psi_a, new PointPol(view_x, view_y, view_z));
* }
*
* private void buttonMinus_Click(object sender, EventArgs e)
* {
* double curr_ind = 0.83333;
* ind *= curr_ind;
* double phi_a = hScrollBar1.Value;
* double psi_a = hScrollBar2.Value;
* double view_x = double.Parse(textBoxViewVectorX.Text);
* double view_y = double.Parse(textBoxViewVectorY.Text);
* double view_z = double.Parse(textBoxViewVectorZ.Text);
*
* scalePols(pols_rotate, curr_ind);
* scalePols(fig, curr_ind);
*
* reDrawPols(phi_a, psi_a, new PointPol(view_x, view_y, view_z));
* }*/
private PointPol normVecOfPlane(PointPol p1, PointPol p2, PointPol p3)
{
double kx, ky, kz, d;
double xa = p1.X, ya = p1.Y, za = p1.Z;
double a21 = p2.X - xa, a22 = p2.Y - ya, a23 = p2.Z - za;
double a31 = p3.X - xa, a32 = p3.Y - ya, a33 = p3.Z - za;
kx = a22 * a33 - a23 * a32;
ky = -(a21 * a33 - a23 * a31);
kz = a21 * a32 - a22 * a31;
d = (kx * -xa) + (ky * -ya) + (kz * -za);
return(new PointPol(kx, ky, kz));
}
private void reDrawPols(double phi_a, double psi_a, PointPol view_vector)
{
if (fig_drawed)
{
ClearPic1();
ClearPic3(phi_a, psi_a);
drawPols(fig, phi_a, psi_a, view_vector);
}
else
{
ClearPic1();
ClearPic3(phi_a, psi_a);
drawPols(pols_rotate, phi_a, psi_a, view_vector);
}
}
private void rotatePols(List <Polygon> pols, int x1, int y1, int z1,
int x2, int y2, int z2, double angle)
{
PointPol p1 = new PointPol(x1, y1, z1);
PointPol p2 = new PointPol(x2, y2, z2);
Vector ed = new Vector(p1, p2);
double a = 0, b = 0, c = 0;
find_center(pols, ref a, ref b, ref c);
foreach (var item in pols)
{
item.rotate(ed, angle, a, b, c);
}
}
public void AddPolygon(string line)
{
var prs = line.Split(' ').Select(x => x.Split(';').Select(z => Convert.ToDouble(z)).ToArray());
List <int> numbers = new List <int>();
foreach (var y in prs)
{
PointPol t = new PointPol(y[0], y[1], y[2]);
if (!vertices.Values.Any(f => f.X == y[0] && f.Y == y[1] && f.Z == y[2]))
{
vertices.Add(vertices.Count, t);
}
numbers.Add(find_index(t));
}
polygons.Add(new Polygon(numbers));
}
private void buttonBuild2_Click(object sender, EventArgs e)
{
ClearPic1();
string ax = comboBoxBuildAxis.SelectedItem.ToString();
int cnt = Int32.Parse(textBoxBuildCount.Text);
PointPol rotate_around = new PointPol(0, 0, 0);
buildPolsRotate(ax, cnt, ref rotate_around);
//drawPols(pols_rotate);
buildFig(rotate_around);
buildFig(rotate_around);
drawPols(fig);
fig_drawed = true;
}
private void button6_Click(object sender, EventArgs e)
{
ClearWithout();
write_axes();
double x1 = Double.Parse(textBoxX1.Text.ToString());
double y1 = Double.Parse(textBoxY1.Text.ToString());
double z1 = Double.Parse(textBoxZ1.Text.ToString());
double x2 = Double.Parse(textBoxX2.Text.ToString());
double y2 = Double.Parse(textBoxY2.Text.ToString());
double z2 = Double.Parse(textBoxZ2.Text.ToString());
double angle = Double.Parse(textBoxAngle.Text.ToString());
PointPol p1 = new PointPol(x1, y1, z1);
PointPol p2 = new PointPol(x2, y2, z2);
figure.rotate(Tuple.Create(p1, p2), angle);
print_figure();
}
/*public Polygon(List<Edge> edg)
* {
* foreach (var el in edg)
* {
* edges.Add(el);
* //points.Add(el.P1);
* //points.Add(el.P2);
* }
* }*/
//грани
public Polygon(List <PointPol> ps)
{
for (int i = 0; i < ps.Count(); ++i)
{
PointPol p = ps[i];
int ind = points.FindIndex(pinl => pointsEqual(p, pinl));
if (ind == -1)
{
points.Add(p);
}
}
if (points.Count() > 1)
{
PointPol p2, p1 = ps.First();
int indp, ind2, ind1 = points.FindIndex(pinl => pointsEqual(p1, pinl));
for (int i = 1; i < ps.Count(); ++i)
{
p2 = ps[i];
ind2 = points.FindIndex(pinl => pointsEqual(p2, pinl));
indp = edges.FindIndex(pair =>
(pair.Item1 == ind2) && (pair.Item2 == ind1));
if ((ind1 != ind2) && (indp == -1))
{
edges.Add(Tuple.Create(ind1, ind2));
}
ind1 = ind2;
}
p2 = ps.First();
ind2 = points.FindIndex(pinl => pointsEqual(p2, pinl));
indp = edges.FindIndex(pair =>
(pair.Item1 == ind2) && (pair.Item2 == ind1));
if ((ind1 != ind2) && (indp == -1))
{
edges.Add(Tuple.Create(ind1, ind2));
}
}
deleteDuplicates();
}
private void Create_point_fors_Hor()
{
double x0 = Double.Parse(textBox1.Text);
double x1 = Double.Parse(textBox2.Text);
double y0 = Double.Parse(textBox3.Text);
double y1 = Double.Parse(textBox4.Text);
step = Int32.Parse(textBox5.Text);
double dx = (x1 - x0) / step;
double dy = (y1 - y0) / step;
points = new PointPol[(step + 1) * (step + 1)];
for (int i = 0; i < step + 1; ++i)
{
for (int j = 0; j < step + 1; ++j)
{
points[i * (step + 1) + j] = new PointPol(x0 + i * dx, y0 + j * dy, f(x0 + i * dx, y0 + j * dy));
}
}
}
public PointPol rotate(Vector direction, double angle, double a, double b, double c)
{
double phi = Math.PI / 360 * angle;
PointPol p = shift(-a, -b, -c);
double x1 = direction.P1.X;
double y1 = direction.P1.Y;
double z1 = direction.P1.Z;
double x2 = direction.P2.X;
double y2 = direction.P2.Y;
double z2 = direction.P2.Z;
double vecx = x2 - x1;
double vecy = y2 - y1;
double vecz = z2 - z1;
double len = Math.Sqrt(vecx * vecx + vecy * vecy + vecz * vecz);
double l = vecx / len;
double m = vecy / len;
double n = vecz / len;
double[,] transfer = new double[4, 4] {
{ l *l + Math.Cos(phi) * (1 - l * l), l *(1 - Math.Cos(phi)) * m + n * Math.Sin(phi), l *(1 - Math.Cos(phi)) * n - m * Math.Sin(phi), 0 },
{ l *(1 - Math.Cos(phi)) * m - n * Math.Sin(phi), m *m + Math.Cos(phi) * (1 - m * m), m *(1 - Math.Cos(phi)) * n + l * Math.Sin(phi), 0 },
{ l *(1 - Math.Cos(phi)) * n + m * Math.Sin(phi), m *(1 - Math.Cos(phi)) * n - l * Math.Sin(phi), n *n + Math.Cos(phi) * (1 - n * n), 0 },
{ 0, 0, 0, 1 }
};
var t1 = matrix_multiplication(p.getP(), transfer);
t1 = matrix_multiplication(t1, transfer);
PointPol p2 = translatePol(t1);
PointPol p3 = p2.shift(a, b, c);
return(p3);
}
public void write_axes3(double phi_a, double psi_a, double ind)
{
PointPol p0 = new PointPol(0, 0, 0);
PointPol p1 = new PointPol(pictureBox3.Width / 2 * ind, 0, 0);
PointPol p2 = new PointPol(0, pictureBox3.Width / 2 * ind, 0);
PointPol p3 = new PointPol(0, 0, pictureBox3.Width / 2 * ind);
Point o = p0.To2D(phi_a, psi_a);
Point x = p1.To2D(phi_a, psi_a);
Point y = p2.To2D(phi_a, psi_a);
Point z = p3.To2D(phi_a, psi_a);
Font font = new Font("Arial", 8);
SolidBrush brush = new SolidBrush(Color.Black);
g3.DrawString("X", font, brush, x);
g3.DrawString("Y", font, brush, y);
g3.DrawString("Z", font, brush, z);
Pen my_pen = new Pen(Color.Blue);
g3.DrawLine(my_pen, o, x);
my_pen.Color = Color.Red;
g3.DrawLine(my_pen, o, y);
my_pen.Color = Color.Green;
g3.DrawLine(my_pen, o, z);
PointPol newp = new PointPol(Double.Parse(textBoxViewVectorX.Text) * 50,
Double.Parse(textBoxViewVectorY.Text) * 50,
Double.Parse(textBoxViewVectorZ.Text) * 50);
Point newpp = newp.To2D(phi_a, psi_a);
g3.DrawEllipse(new Pen(Color.Red), newpp.X - 1, newpp.Y - 1, 2, 2);
pictureBox3.Image = pictureBox3.Image;
}
public void write_axes()
{
g = Graphics.FromImage(pictureBox1.Image);
g.ScaleTransform(1, -1);
g.TranslateTransform(pictureBox1.Width / 2, -pictureBox1.Height / 2);
PointPol p0 = new PointPol(0, 0, 0);
PointPol p1 = new PointPol(pictureBox1.Width, 0, 0);
PointPol p2 = new PointPol(0, pictureBox1.Width, 0);
PointPol p3 = new PointPol(0, 0, pictureBox1.Width);
String s = comboBox3.SelectedItem.ToString();
Pen my_pen = new Pen(Color.Blue);
g.DrawLine(my_pen, p0.To2D(s), p1.To2D(s));
my_pen.Color = Color.Red;
g.DrawLine(my_pen, p0.To2D(s), p2.To2D(s));
my_pen.Color = Color.Green;
g.DrawLine(my_pen, p0.To2D(s), p3.To2D(s));
pictureBox1.Image = pictureBox1.Image;
}
public void scale(double ind_scale, double a, double b, double c)
{
P1 = P1.scale(ind_scale, a, b, c);
P2 = P2.scale(ind_scale, a, b, c);
}
public bool equals(PointPol p1)
{
return(Math.Abs(p1.X - X) < 0.0001 && Math.Abs(p1.Y - Y) < 0.0001 && Math.Abs(p1.Z - Z) < 0.0001);
}
public Vector(PointPol p1, PointPol p2)
{
P1 = p1; P2 = p2;
}
public void rotate(Vector e, double angle, double a, double b, double c)
{
P1 = P1.rotate(e, angle, a, b, c);
P2 = P2.rotate(e, angle, a, b, c);
}
private int find_index(PointPol p)
{
int i = vertices.Keys.First(x => vertices[x].Equal(p));
return(i);
}
private bool pointsEqual(PointPol p1, PointPol p2)
{
return((p1.X == p2.X) && (p1.Y == p2.Y) && (p1.Z == p2.Z));
}
private double scalarProduct(PointPol vec1, PointPol vec2)
{
return(vec1.X * vec2.X + vec1.Y * vec2.Y + vec1.Z * vec2.Z);
}
public void shift(double a, double b, double c)
{
P1 = P1.shift(a, b, c);
P2 = P2.shift(a, b, c);
}
