JOGL-3.java

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 javax.swing.JFrame;

public class Line implements GLEventListener{

    static GLProfile profile = GLProfile.get(GLProfile.GL2);
    static GLCapabilities capabilities = new GLCapabilities(profile);
    // The canvas
    static GLCanvas glcanvas = new GLCanvas(capabilities);

    public static void main(String[] args) {
        //getting the capabilities object of GL2 profile


        Line l = new Line();
        //creating frame
        glcanvas.addGLEventListener(l);
        glcanvas.setSize(700, 600);//resolution

        final JFrame frame = new JFrame ("straight Line");
        //adding canvas to frame
        frame.getContentPane().add(glcanvas);
        frame.setSize(frame.getContentPane().getPreferredSize());
        frame.setVisible(true);

    }
    public void display(GLAutoDrawable drawable) {
        final GL2 gl = drawable.getGL().getGL2();
        gl.glPointSize(30);//SIZE OF THE DOTS
        gl.glBegin (GL2.GL_POINTS);//static field (MAIN THINGS)
        gl.glVertex2d(0.5f,0.5f);//f means floating
        gl.glVertex2d(0.5f,-0.5f);//If there is no f then it is a double data type
        gl.glVertex2d(-0.5f,0.5f);
        gl.glVertex2d(-0.5f,-0.5f);
        gl.glEnd();


    }

    public void dispose(GLAutoDrawable arg0) {
        //method body
    }


    public void init(GLAutoDrawable drawable) {
        // method body
        //4. drive the display() in a loop
    }

    public void reshape(GLAutoDrawable arg0, int arg1, int arg2, int arg3, int arg4) {
        // method body
    }
    //end of main
}//end of classimport javax.media.opengl.GL2;