UTS GRAFIKA KOMPUTER

 

 

 

package projeckomputer.grafik;

import java.awt.*;

import java.awt.event.*;
public class ProjecKomputerGrafik extends Frame implements ActionListener{
    int x = 200;
    int y = 200;
public static void main(String[] args) {
    Frame frame = new ProjecKomputerGrafik();
    frame.setSize(640, 480);
    frame.setVisible(true);
}
public ProjecKomputerGrafik() {
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) {
    x = ev.getX();
    y = ev.getY();
    repaint();
}
};
addMouseListener(mouseListener);
}

public void paint(Graphics g) {

int xasalA = 50; int yasalA = 150;
int xasalB = 150; int yasalB = 100;
int xasalC = 150; int yasalC = 200;

int sudut = -40;

double phi=22/7;
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*phi/-80)-(yasalA-y)*Math.sin(sudut*phi/-80));

long yA = Math.round(x+(xasalA-x)*Math.sin(sudut*phi/-80)-(yasalA-y)*Math.cos(sudut*phi/-80));
long xB = Math.round(x+(xasalB-x)*Math.cos(sudut*phi/-80)-(yasalB-y)*Math.sin(sudut*phi/-80));
long yB = Math.round(x+(xasalB-x)*Math.sin(sudut*phi/-80)-(yasalB-y)*Math.cos(sudut*phi/-80));
long xC = Math.round(x+(xasalC-x)*Math.cos(sudut*phi/-80)-(yasalC-y)*Math.sin(sudut*phi/-80));
long yC = Math.round(x+(xasalC-x)*Math.sin(sudut*phi/-80)-(yasalC-y)*Math.cos(sudut*phi/-80));

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);

}

public void actionPerformed(ActionEvent ev) {
String command = ev.getActionCommand();
if ("Exit".equals(command)) {
System.exit(0);
}
}
}

 

 

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