Animacion.java

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

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


public class Animacion extends JFrame implements GLEventListener
{
	GLU glu = new GLU();
	GL gl = null;
	GLUT glut = new GLUT();
	double spin = 0.0;
	FPSAnimator animator;

	public static void main(String[] args)
	{
		Animacion frame = new Animacion();
		frame.addWindowListener( new WindowAdapter() {
			public void windowClosed(WindowEvent e) { System.exit(0); }
			public void windowClosing(WindowEvent e) { windowClosed(e); }
	    	} );	
	}

	public Animacion()
	{
		super("P02_10");
		GLCapabilities caps = new GLCapabilities();
		GLCanvas canvas = new GLCanvas(caps);
		canvas.addGLEventListener(this);

		add("Center", canvas);
		setSize(500, 500);
		setLocationRelativeTo(null);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setVisible(true);
		
		animator = new FPSAnimator ( canvas, 50 ) ;
		getContentPane () .add ( canvas ) ;
		animator.start ();
	}

	public void init (GLAutoDrawable DRAW)
	{
		gl = DRAW.getGL();
		gl.glClearColor (0.0f, 0.0f, 0.0f, 0.0f);
		gl.glShadeModel (gl.GL_FLAT);
	}

	public void display(GLAutoDrawable drawable)
	{
		gl.glClear(gl.GL_COLOR_BUFFER_BIT);
		// Cuadro
			gl.glPushMatrix();
				gl.glRotated(spin, 0.0, 0.0, 1.0);
				gl.glColor3d(1.0, 1.0, 1.0);
				gl.glRectd(-25.0, -25.0, 25.0, 25.0);
			gl.glPopMatrix();
		// Triangulo
/*			gl.glBegin(GL.GL_TRIANGLES);
			gl.glColor3d(1.0,0.0,0.0); gl.glVertex3d(0.0,0.8,0.0);	// rojo
			gl.glColor3d(0.0,1.0,0.0); gl.glVertex3d(-0.6,-0.2,0.0);// verde
			gl.glColor3d(0.0,0.0,1.0); gl.glVertex3d(0.6,-0.2,0.0);	// azul
			gl.glEnd();*/
		spinDisplay();
	}

	public void spinDisplay()
	{
		spin = spin + 2.0;
		if (spin > 360.0) spin = spin - 360.0;
	}

	public void reshape(GLAutoDrawable drawable, int x, int y, int w, int h)
	{
		GL gl = drawable.getGL();
		GLU glu = new GLU();

		gl.glMatrixMode(gl.GL_PROJECTION);
		gl.glLoadIdentity();
		gl.glOrtho(-50.0, 50.0, -50.0, 50.0, -1.0, 1.0);
		gl.glMatrixMode(gl.GL_MODELVIEW);
		gl.glLoadIdentity();
	}

	public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged){ }


}