bedanhangoi
struct Point3D
{
public float X, Y, Z;
public Point3D(float x, float y, float z)
{
X = x;
Y = y;
Z = z;
}
}
struct wireframe
{
public Point3D[] vert;
public int[,] edge;
}
public partial class Form1 : Form
{
wireframe w;
Graphics g;
public Form1()
{
InitializeComponent();
g = this.CreateGraphics();
}
wireframe MakeWireframe(string dinh, string canh )
{
wireframe w;
FileStream f = new FileStream(dinh, FileMode.Open);
StreamReader sr = new StreamReader(f);
string line;
int n = 0, i = 0;
string[] s;
line = sr.ReadLine();
n = Convert.ToInt32(line);
w.vert = new Point3D[n];
while (!sr.EndOfStream)
{
line = sr.ReadLine();
s = line.Split();
w.vert[i] = new Point3D(Convert.ToInt32(s[0]), Convert.ToInt32(s[1]), Convert.ToInt32(s[2]));
i++;
}
f.Close();
f = new FileStream(canh, FileMode.Open);
sr = new StreamReader(f);
n = Convert.ToInt32(sr.ReadLine());
w.edge = new int[n, 2];
i = 0;
while (!sr.EndOfStream)
{
line = sr.ReadLine();
s = line.Split();
w.edge[i, 0] = Convert.ToInt32(s[0]);
w.edge[i, 1] = Convert.ToInt32(s[1]);
i++;
}
f.Close();
return w;
}
void VeWOXY(wireframe w, Graphics g, int W, int H, Color c)
{
Point3D p1, p2;
PointF Q1, Q2;
for (int i = 0; i < w.edge.GetLength(0); i++)
{
p1 = w.vert[w.edge[i, 0]];
p2 = w.vert[w.edge[i, 1]];
Q1 = ChieuSSOXY(p1);
Q2 = ChieuSSOXY(p2);
Myline(g, W, H, Q1, Q2, c);
}
}
void VeWOYZ(wireframe w, Graphics g, int W, int H, Color c)
{
Point3D p1, p2;
PointF Q1, Q2;
for (int i = 0; i < w.edge.GetLength(0); i++)
{
p1 = w.vert[w.edge[i, 0]];
p2 = w.vert[w.edge[i, 1]];
Q1 = ChieuSSOYZ(p1);
Q2 = ChieuSSOYZ(p2);
Myline(g, W, H, Q1, Q2, c);
}
}
void VeWOZX(wireframe w, Graphics g, int W, int H, Color c)
{
Point3D p1, p2;
PointF Q1, Q2;
for (int i = 0; i < w.edge.GetLength(0); i++)
{
p1 = w.vert[w.edge[i, 0]];
p2 = w.vert[w.edge[i, 1]];
Q1 = ChieuSSOZX(p1);
Q2 = ChieuSSOZX(p2);
Myline(g, W, H, Q1, Q2, c);
}
}
void Myline(Graphics g, int W, int H, PointF p1, PointF p2, Color c)
{
p1.Y = H - p1.Y;
p1.X += W;
p2.Y = H - p2.Y;
p2.X += W;
g.DrawLine(new Pen(Color.Red), p1, p2);
}
PointF ChieuSSOXY(Point3D p)
{
PointF Q = new PointF();
Q.X = p.X;
Q.Y = p.Y;
return Q;
}
PointF ChieuSSOYZ(Point3D p)
{
PointF Q = new PointF();
Q.Y = p.Y;
Q.X = p.Z;
return Q;
}
PointF ChieuSSOZX(Point3D p)
{
PointF Q = new PointF();
Q.X = p.X;
Q.Y = p.Z;
return Q;
}
private void Form1_Load(object sender, EventArgs e)
{
w = MakeWireframe("C:/Users/Lupj/Desktop/17-57/WindowsFormsApplication5/dinh.txt", "C:/Users/Lupj/Desktop/17-57/WindowsFormsApplication5/canh.txt");
}
private void Form1_Paint(object sender, PaintEventArgs e)
{
}
private void OXY_Click(object sender, EventArgs e)
{
g.Clear(BackColor);
VeWOXY(w, g, this.ClientSize.Width / 2, this.ClientSize.Height / 2, Color.Red);
}
private void OYZ_Click(object sender, EventArgs e)
{
g.Clear(BackColor);
VeWOYZ(w, g, this.ClientSize.Width / 2, this.ClientSize.Height / 2, Color.Blue);
}
private void OZX_Click(object sender, EventArgs e)
{
g.Clear(BackColor);
VeWOZX(w, g, this.ClientSize.Width / 2, this.ClientSize.Height / 2, Color.Black);
}
Point3D XoayOx(Point3D p, float al)
{
Point3D q = new Point3D();
q.X = p.X;
q.Y = (float)(p.Y * Math.Cos(al) - p.Z * Math.Sin(al));
q.Z = (float)(p.Y * Math.Sin(al) + p.Z * Math.Cos(al));
return q;
}
void XoayWOx(ref wireframe w, float al)
{
for (int i = 0; i < w.vert.Length; i++)
{
w.vert[i] = XoayOx(w.vert[i], al);
}
}
Point3D XoayOy(Point3D p, float al)
{
Point3D q = new Point3D();
q.Y = p.Y;
q.X = (float)(p.Z * Math.Sin(al) + p.X * Math.Cos(al));
q.Z = (float)(p.Z * Math.Cos(al) - p.X * Math.Sin(al));
return q;
}
void XoayWOy(ref wireframe w, float al)
{
for (int i = 0; i < w.vert.Length; i++)
{
w.vert[i] = XoayOy(w.vert[i], al);
}
}
Point3D XoayOz(Point3D p, float al)
{
Point3D q = new Point3D();
q.Z = p.Z;
q.Y = (float)(p.X * Math.Sin(al) + p.Y * Math.Cos(al));
q.X = (float)(p.X * Math.Cos(al) - p.Y * Math.Sin(al));
return q;
}
void XoayWOz(ref wireframe w, float al)
{
for (int i = 0; i < w.vert.Length; i++)
{
w.vert[i] = XoayOz(w.vert[i], al);
}
}
private void Form1_KeyDown(object sender, KeyEventArgs e)
{
//switch (e.KeyCode)
//{
// case Keys.X:
// {
// }
}
PointF ChieuPhoiCanhOYZ(Point3D p, int e)
{
PointF Q = new PointF();
Q.X = p.Y/(1-p.X/e);
Q.Y = p.Z/(1-p.X/e);
return Q;
}
void VeWPhoiCanhOYZ(wireframe w, Graphics g, int W, int H, Color c)
{
Point3D p1, p2;
PointF Q1, Q2;
for (int i = 0; i < w.edge.GetLength(0); i++)
{
p1 = w.vert[w.edge[i, 0]];
p2 = w.vert[w.edge[i, 1]];
Q1 = ChieuPhoiCanhOYZ(p1,500);
Q2 = ChieuPhoiCanhOYZ(p2,500);
Myline(g, W, H, Q1, Q2, c);
}
}
private void PhoiCanh_Click(object sender, EventArgs e)
{
VeWPhoiCanhOYZ(w, g, this.ClientSize.Width / 2, this.ClientSize.Height / 2, Color.Blue);
}
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