import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Toolkit;

import javax.swing.JFrame;

import com.jogamp.opengl.GL2;
import com.jogamp.opengl.GLAutoDrawable;
import com.jogamp.opengl.GLCapabilities;
import com.jogamp.opengl.GLEventListener;
import com.jogamp.opengl.GLProfile;
import com.jogamp.opengl.awt.GLCanvas;
import com.jogamp.opengl.glu.GLU;
import com.jogamp.opengl.util.FPSAnimator;
import com.jogamp.opengl.util.gl2.GLUT;

public class a01 extends JFrame implements GLEventListener {

    private GL2 gl;
    private GLU glu;
    private GLUT glut;
    private FPSAnimator animator;

    public a01(String string) {
        super(string);
        GLProfile profile=GLProfile.get(GLProfile.GL2);
        GLCapabilities capabilities=new GLCapabilities(profile);
        GLCanvas canvas=new GLCanvas(capabilities);
        canvas.addGLEventListener(this);
        add(canvas);
        Toolkit kit=Toolkit.getDefaultToolkit();
        Dimension d=kit.getScreenSize();
        setBounds(d.width/4, d.height/4, d.width/2, d.height/2);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        setVisible(true);
        animator=new FPSAnimator(canvas,60);
        animator.start();
    }

    @Override
    public void display(GLAutoDrawable drawable) {
        gl.glClear(GL2.GL_COLOR_BUFFER_BIT | GL2.GL_DEPTH_BUFFER_BIT);
        float a=2.0f;
        int n=11;
        gl.glRotatef(1.0f,0.0f,1.0f,0.0f);
        gl.glBegin(GL2.GL_POINTS);
        		for(int i=0;i<n;i++)
        			for(int j=0;j<n;j++)
        				for(int k=0;k<n;k++)
        					gl.glVertex3f(-a/2+a*i/(n-1),-a/2+a*j/(n-1),-a/2+a*k/(n-1));
        gl.glEnd();
        gl.glFlush();

    }

    @Override
    public void dispose(GLAutoDrawable drawable) {

    }

    @Override
    public void init(GLAutoDrawable drawable) {
        gl=drawable.getGL().getGL2();
        glu=GLU.createGLU(gl);
        glut=new GLUT();
        gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
    }

    @Override
    public void reshape(GLAutoDrawable drawable, int x, int y, int width,
            int height) {
        gl.glViewport(0, 0, width, height);
        if(height==0)
            height=1;
        float aspect=(float)width/height;
        gl.glMatrixMode(GL2.GL_PROJECTION);
        gl.glLoadIdentity();
        glu.gluPerspective(45.0f,aspect,1.0f,10.0f);
        glu.gluLookAt(0.0f, 0.0f, 5.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f);
        gl.glMatrixMode(GL2.GL_MODELVIEW);
    }

    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {

            @Override
            public void run() {
                new a01("a01");
            }
        });
    }

}