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//package nt;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
//import nttabs.*;
public class GLienzo extends JPanel implements MouseListener
{
JButton bot;
int n1, m1, n2, m2;
public GLienzo ()
{
addMouseListener (this);
n1 = 0;
m1 = 0;
n2 = 0;
m2 = 1;
}
public GLienzo (int gn1, int gm1, int gn2, int gm2)
{
addMouseListener (this);
n1 = gn1;
n2 = gn2;
m1 = gm1;
m2 = gm2;
}
public void paint (Graphics g)
{
g.setColor (java.awt.Color.LIGHT_GRAY);
g.fillRect (0, 0, getSize ().width, getSize ().height); // blanqueamos
g.setColor (Color.blue);
//dibujamos ejes de coordenadas
int centrox = getSize ().width / 2;
int centroy = getSize ().height / 2;
//determinamos la escala en pixeles por unidad. Sean, a buen ojo, 10 px por unidad
double e = 5;
g.drawLine (0, centroy, 2 * centrox, centroy);
g.drawLine (centrox, 0, centrox, 2 * centroy);
//dibujvos vector del tubo 1
g.setColor (Color.red);
double x1 = n1 + m1 / 2;
double y1 = Math.sqrt (3) / 2 * m1;
g.drawLine (centrox, centroy, (int) (centrox + e * x1), (int) (centroy - e * y1));
//dibujamos vector del tubo 2
g.setColor (Color.green);
double x2 = n2 + m2 / 2;
double y2 = Math.sqrt (3) / 2 * m2;
g.drawLine (centrox, centroy, (int) (centrox + e * x2), (int) (centroy - e * y2));
//linea que los une
g.setColor (Color.magenta);
g.drawLine ((int) (centrox + e * x1), (int) (centroy - e * y1), (int) (centrox + e * x2), (int) (centroy - e * y2));
g.drawString ("(" + n1 + "," + m1 + ")", 20, 20);
g.drawString ("(" + n2 + "," + m2 + ")", 80, 20);
//y girado 60 grasos, aparece la posicion del segundo defecto
int nh = -(m2 - m1);
int mh = (m2 - m1) + (n2 - n1);
//y la del primero
int np = n1 - nh;
int mp = m1 - mh;
//y la posicion del segundo defecto
double xh = nh + mh / 2;
double yh = Math.sqrt (3) / 2 * mh;
//y la posicion del primer defecto
double xp = np + mp / 2;
double yp = Math.sqrt (3) / 2 * mp;
g.setColor (Color.magenta);
g.drawLine ((int) (centrox + e * x1), (int) (centroy - e * y1), (int) (centrox + e * (x1 + xh)), (int) (centroy - e * (y1 + yh)));
g.setColor (Color.blue);
g.drawLine ((int) (centrox + e * x1), (int) (centroy - e * y1), (int) (centrox + e * (x1 + xp)), (int) (centroy - e * (y1 + yp)));
g.drawString ("(" + np + "," + mp + ") [0,-1]; (" + nh + "," + mh + ")[0,1];", 5, 220);
}
public void mousePressed (MouseEvent ev)
{
int nn2 = -m2;
int nm2 = n2 + m2;
redraw (n1, m1, nn2, nm2);
}
public void mouseReleased (MouseEvent ev)
{
}
public void mouseEntered (MouseEvent ev)
{
}
public void mouseExited (MouseEvent ev)
{
}
public void mouseClicked (MouseEvent ev)
{
}
public void redraw (int gn1, int gm1, int gn2, int gm2)
{ //Segundo metodo, de redibujado, parametrizado
this.n1 = gn1;
this.n2 = gn2;
this.m1 = gm1;
this.m2 = gm2;
repaint ();
}
}
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