1. Listening Rotasi :
package pembuatan_rotasi;
import java.awt.*;
import java.awt.event.*;
public class Pembuatan_rotasi extends Frame implements
ActionListener{
int x = 200;
int y = 200;
public static void main(String[] args) {
Frame frame = new
Pembuatan_rotasi();
frame.setSize(640,
480);
frame.setVisible(true);
}
public Pembuatan_rotasi() {
setTitle("Membuat rotasi");
// create menu
MenuBar mb = new
MenuBar();
setMenuBar(mb);
Menu menu = new
Menu("File");
mb.add(menu);
MenuItem mi = new
MenuItem("Exit");
mi.addActionListener(this);
menu.add(mi);
// end program when window is closed
WindowListener l =
new WindowAdapter() {
@Override
public void
windowClosing(WindowEvent ev) {
System.exit(0);
}
};
this.addWindowListener(l);
// mouse event handler
MouseListener mouseListener = new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent ev) {
x = ev.getX();
y = ev.getY();
repaint();
}
};
addMouseListener(mouseListener);
}
@Override
public void paint(Graphics g) {
int xasalA = 150; int yasalA = 100;
int xasalB = 100; int yasalB = 250;
int xasalC = 200; int yasalC = 250;
int sudut = 45;
g.setColor(Color.blue);
g.drawLine(xasalA,yasalA, xasalB,yasalB);
g.drawLine(xasalB,yasalB,xasalC,yasalC);
long xA =
Math.round(x+(xasalA-x)*Math.cos(sudut)-(yasalA-y)*Math.sin(sudut));
long yA = Math.round(x+(xasalA-x)*Math.sin(sudut)-(yasalA-y)*Math.cos(sudut));
long xB =
Math.round(x+(xasalB-x)*Math.cos(sudut)-(yasalB-y)*Math.sin(sudut));
long yB =
Math.round(x+(xasalB-x)*Math.sin(sudut)-(yasalB-y)*Math.cos(sudut));
long xC =
Math.round(x+(xasalC-x)*Math.cos(sudut)-(yasalC-y)*Math.sin(sudut));
long yC =
Math.round(x+(xasalC-x)*Math.sin(sudut)-(yasalC-y)*Math.cos(sudut));
int xA1 = (int)xA; int yA1 = (int)yA;
int xB1 = (int)xB; int yB1 = (int)yB;
int xC1 = (int)xC; int yC1 = (int)yC;
g.drawLine(xA1,yA1, xB1,yB1);
g.drawLine(xB1,yB1, xC1,yC1);
}
@Override
public void actionPerformed(ActionEvent ev) {
String command = ev.getActionCommand();
if ("Exit".equals(command)) {
System.exit(0);
}
}
}
2. Listening Translasi :
package pembuatan_translasi;
import java.awt.*;
import java.awt.event.*;
public class Pembuatan_translasi extends Frame implements
ActionListener{
int x = 50;
int y = 100;
public static void main(String[] args) {
Frame frame = new
Pembuatan_translasi();
frame.setSize(640,
480);
frame.setVisible(true);
}
public Pembuatan_translasi() {
setTitle("AWT Demo");
// create menu
MenuBar mb = new
MenuBar();
setMenuBar(mb);
Menu menu = new
Menu("File");
mb.add(menu);
MenuItem mi = new
MenuItem("Exit");
mi.addActionListener(this);
menu.add(mi);
// end program when window is closed
WindowListener l =
new WindowAdapter() {
public void
windowClosing(WindowEvent ev) {
System.exit(0);
}
};
this.addWindowListener(l);
// mouse event handler
MouseListener mouseListener = new MouseAdapter() {
public void mouseClicked(MouseEvent ev) {
int x = 50;
int y = 100;
repaint();
}
};
addMouseListener(mouseListener);
}
public void paint(Graphics g) {
g.drawLine(30, 30, 160, 250);
g.drawLine(30+x, 30+y, 160+x, 250+y);
}
public void actionPerformed(ActionEvent ev) {
String command = ev.getActionCommand();
if ("Exit".equals(command)) {
System.exit(0);
}
}
}
