import java.awt.event.*;
import javax.swing.*;

import javax.media.opengl.*;
import javax.media.opengl.glu.*;
import com.sun.opengl.util.*;

public class polygon//
        extends glskeleton//
        implements GLEventListener//
        , KeyListener//
{
    private GLUT glut;
    private GLU glu;
    
    public polygon() {
    }
    
    public static void main(String[] args) {
        GLCapabilities caps = new GLCapabilities();
        GLJPanel canvas = new GLJPanel(caps);
        polygon demo = new polygon();
        demo.setCanvas(canvas);
        canvas.addGLEventListener(demo);
        demo.setDefaultListeners(demo);
        
//        JFrame.setDefaultLookAndFeelDecorated(true);
        JFrame frame = new JFrame("polygon");
        frame.setSize(500, 500);
        frame.setLocationRelativeTo(null);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        
        frame.getContentPane().add(canvas);
        frame.setVisible(true);
        canvas.requestFocusInWindow();
    }
    
    /*
     * Initialize material property, light source, lighting model, and depth
     * buffer.
     */
    public void init(GLAutoDrawable drawable) {
        GL gl = drawable.getGL();
        glut = new GLUT();
	glu = new GLU();
        //
        float mat_specular[] = { 0.5f, 0.7f, 0.8f, 1.0f };
        float mat_shininess[] = { 3f };
        float light_position[] = { 0f, 0f, 2.0f, 0.0f };
        float ambient[] = { 0.0f, 0.0f, 0.5f, 1.0f };
        float diffuse[] = { 0.5f, 0.0f, 0.0f, 1.0f };
        float specular[] = { 0.0f, 1.0f, 0.0f, 1.0f };
        //
        gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
        gl.glShadeModel(GL.GL_SMOOTH);
        //
        gl.glMaterialfv(GL.GL_FRONT, GL.GL_SPECULAR, mat_specular, 0);
        gl.glMaterialfv(GL.GL_FRONT, GL.GL_SHININESS, mat_shininess, 0);
        gl.glLightfv(GL.GL_LIGHT0, GL.GL_POSITION, light_position, 0);
        gl.glLightfv(GL.GL_LIGHT0, GL.GL_AMBIENT, ambient, 0);
        gl.glLightfv(GL.GL_LIGHT0, GL.GL_DIFFUSE, diffuse, 0);
        //
        gl.glEnable(GL.GL_LIGHTING);
        gl.glEnable(GL.GL_DEPTH_TEST);
        gl.glDepthFunc(GL.GL_LESS);
        gl.glEnable(GL.GL_LIGHT0);
    }
    
    public void display(GLAutoDrawable drawable) {
        GL gl = drawable.getGL();
        //
	gl.glLoadIdentity();
	gl.glRotatef(30,1.0f,0.0f,0.0f);						// Rotate On The X Axis By xrot
	gl.glRotatef(20,0.0f,1.0f,0.0f);						// Rotate On The Y Axis By yrot
        gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
// 	gl.glLineWidth(10.0f);
//  	gl.glPolygonMode(GL.GL_FRONT_AND_BACK, GL.GL_LINE);
	gl.glBegin(GL.GL_QUADS);	
	// Front Face
	gl.glNormal3f( 0.0f, 0.0f, 1.0f);					// Normal Pointing Towards Viewer
	gl.glVertex3f(-1.0f, -1.0f,  1.0f);	// Point 1 (Front)
	gl.glVertex3f( 1.0f, -1.0f,  1.0f);	// Point 2 (Front)
        gl.glVertex3f( 1.0f,  1.0f,  1.0f);	// Point 3 (Front)
	gl.glVertex3f(-1.0f,  1.0f,  1.0f);	// Point 4 (Front)
	// Back Face
	gl.glNormal3f( 0.0f, 0.0f,-1.0f);					// Normal Pointing Away From Viewer
	gl.glVertex3f(-1.0f, -1.0f, -1.0f);	// Point 1 (Back)
	gl.glVertex3f(-1.0f,  1.0f, -1.0f);	// Point 2 (Back)
	gl.glVertex3f( 1.0f,  1.0f, -1.0f);	// Point 3 (Back)
	gl.glVertex3f( 1.0f, -1.0f, -1.0f);	// Point 4 (Back)
	// Top Face
	gl.glNormal3f( 0.0f, 1.0f, 0.0f);					// Normal Pointing Up
	gl.glVertex3f(-1.0f,  1.0f, -1.0f);	// Point 1 (Top)
	gl.glVertex3f(-1.0f,  1.0f,  1.0f);	// Point 2 (Top)
	gl.glVertex3f( 1.0f,  1.0f,  1.0f);	// Point 3 (Top)
	gl.glVertex3f( 1.0f,  1.0f, -1.0f);	// Point 4 (Top)
	// Bottom Face
	gl.glNormal3f( 0.0f,-1.0f, 0.0f);					// Normal Pointing Down
	gl.glVertex3f(-1.0f, -1.0f, -1.0f);	// Point 1 (Bottom)
	gl.glVertex3f( 1.0f, -1.0f, -1.0f);	// Point 2 (Bottom)
	gl.glVertex3f( 1.0f, -1.0f,  1.0f);	// Point 3 (Bottom)
	gl.glVertex3f(-1.0f, -1.0f,  1.0f);	// Point 4 (Bottom)
	// Right face
	gl.glNormal3f( 1.0f, 0.0f, 0.0f);					// Normal Pointing Right
	gl.glVertex3f( 1.0f, -1.0f, -1.0f);	// Point 1 (Right)
	gl.glVertex3f( 1.0f,  1.0f, -1.0f);	// Point 2 (Right)
	gl.glVertex3f( 1.0f,  1.0f,  1.0f);	// Point 3 (Right)
	gl.glVertex3f( 1.0f, -1.0f,  1.0f);	// Point 4 (Right)
	// Left Face
	gl.glNormal3f(-1.0f, 0.0f, 0.0f);					// Normal Pointing Left
	gl.glVertex3f(-1.0f, -1.0f, -1.0f);	// Point 1 (Left)
	gl.glVertex3f(-1.0f, -1.0f,  1.0f);	// Point 2 (Left)
	gl.glVertex3f(-1.0f,  1.0f,  1.0f);	// Point 3 (Left)
	gl.glVertex3f(-1.0f,  1.0f, -1.0f);	// Point 4 (Left)
	gl.glEnd();						
    }
    
    public void reshape(GLAutoDrawable drawable, int x, int y, int w, int h) {
        GL gl = drawable.getGL();
        //
        gl.glViewport(0, 0, w, h);
        gl.glMatrixMode(GL.GL_PROJECTION);
        gl.glLoadIdentity();
        if (w <= h) //
            gl.glOrtho(-2.5, 2.5,//
                    -2.5 * (float) h / (float) w,//
                    2.5 * (float) h / (float) w,//
                    -10.0, 10.0);
        else
            gl.glOrtho(-2.5 * (float) w / (float) h, //
                    2.5 * (float) w / (float) h, //
                    -2.5, 2.5, -10.0, 10.0);
	
        gl.glMatrixMode(GL.GL_MODELVIEW);
        gl.glLoadIdentity();
    }
    
    public void displayChanged(GLAutoDrawable drawable, boolean modeChanged,
            boolean deviceChanged) {
    }
    
    public void keyTyped(KeyEvent key) {
    }
    
    public void keyPressed(KeyEvent key) {
        switch (key.getKeyCode()) {
            case KeyEvent.VK_ESCAPE:
                super.runExit();
                break;
                
            default:
                break;
        }
    }
    
    public void keyReleased(KeyEvent key) {
    }
    
}