First JOGL Application - Printable Version

Code:
package org.yourorghere;



import com.sun.opengl.util.Animator;

import java.awt.*;

import java.awt.event.KeyEvent;

import java.awt.event.KeyListener;

import javax.swing.*;

import javax.media.opengl.*;

import javax.media.opengl.glu.GLU;



public class JOGLApp extends JFrame implements KeyListener, GLEventListener {



    // Causes our JOGL app to be animated- that is, it keeps calling display()

    static Animator anim = null;

        static final JOGLApp app = new JOGLApp();

        boolean rotateOn = false;

        float shapeSpeed, rotate = 0f;



    public static void main(String[] args) {

        // Creates the window in another thread

        SwingUtilities.invokeLater (

                new Runnable() {

                    public void run() {

                        // Removes the normal title bar. Most games do this.

                        app.setUndecorated(true);

                        app.setVisible(true);

                                                // Fullscreen mode

                                                Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();

                                                app.setSize(screen.width, screen.height);

                    }

                }

        );



        // Starts the Animator in a new thread.

        SwingUtilities.invokeLater (

                new Runnable() {

                    public void run() {

                        anim.start();

                    }

                }

        );

    }



    public JOGLApp() {

        // Set the JFrame title

        super("JOGL Application");



        // Kill the process when the JFrame is closed

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);



        GLCapabilities glCaps = new GLCapabilities();

        GLCanvas glCanvas = new GLCanvas(glCaps);

        glCanvas.addGLEventListener(this);



        // Add the GLCanvas just like we would any Component

        getContentPane().add(glCanvas, BorderLayout.CENTER);

                addKeyListener(this);

        anim = new Animator(glCanvas);

    }



    public void keyTyped(KeyEvent e) {

    }



    public void keyPressed(KeyEvent e) {

        char keyChar = e.getKeyChar();

        if (keyChar == KeyEvent.VK_ENTER)

            destruct();

        if (keyChar == KeyEvent.VK_SPACE)

            if (rotateOn == false)

                rotateOn = true;

            else

                rotateOn = false;

        if (keyChar == KeyEvent.VK_BACK_SPACE)

            shapeSpeed += .1;

    }



    public void keyReleased(KeyEvent e) {

    }



    // Only put stuff here that should happen once, at the beginning of the program

    public void init(GLAutoDrawable gld) {

        GL gl = gld.getGL();

        GLU glu = new GLU();



        gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);



        gl.glViewport(0,0,500,300);

        gl.glMatrixMode(GL.GL_PROJECTION);

        gl.glLoadIdentity();

        glu.gluPerspective(45.0f, 800.0f / 600.0f, 1.0f, 500.0f);

        gl.glMatrixMode(GL.GL_MODELVIEW);

    }



    GL createShape1(GL gl) {

           gl.glBegin(GL.GL_TRIANGLES);

           gl.glColor3f(1.0f, 0.0f, 0.0f);

           gl.glVertex3f( 0.0f, 1.5f,0.0f);

           gl.glVertex3f(-1.0f,-1.0f,0.0f);

           gl.glVertex3f( 1.0f,-1.0f,0.0f);

           return gl;

    }



    GL createShape2(GL gl) {

           gl.glBegin(GL.GL_TRIANGLES);

           // Right Side Facing Front

           gl.glColor3f(0.0f, 1.0f, 1.0f);

           gl.glVertex3f(0.0f, 1.0f, 0.0f);

           gl.glColor3f(0.0f, 0.0f, 1.0f);

           gl.glVertex3f(1.0f, -1.0f, 1.0f);

           gl.glColor3f(0.0f, 0.0f, 0.0f);

           gl.glVertex3f(0.0f, -1.0f, -1.0f);

           // Left Side Facing Front

           gl.glColor3f(0.0f, 1.0f, 1.0f);

           gl.glVertex3f(0.0f, 1.0f, 0.0f);

           gl.glColor3f(0.0f, 0.0f, 1.0f);

           gl.glVertex3f(0.0f, -1.0f, -1.0f);

           gl.glColor3f(0.0f, 0.0f, 0.0f);

           gl.glVertex3f(-1.0f, -1.0f, 1.0f);

           // Bottom

           gl.glColor3f(0.0f, 1.0f, 1.0f);

           gl.glVertex3f(-1.0f, -1.0f, 1.0f);

           gl.glColor3f(0.0f, 0.0f, 1.0f);

           gl.glVertex3f(1.0f, -1.0f, 1.0f);

           gl.glColor3f(0.0f, 0.0f, 0.0f);

           gl.glVertex3f(0.0f, -1.0f, -1.0f);

           return gl;

    }



    // This function will get called repeatedly by the Animator. Think of it as your game loop.

    public void display(GLAutoDrawable gld) {

           GL gl = gld.getGL();

           gl.glLoadIdentity();

           gl.glTranslatef(0.0f,0.0f,-5f);

           gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);

           if (!rotateOn) {

               gl.glRotatef(rotate, 1.0f, 0.0f, 0.0f);

               gl.glRotatef(rotate, 0.0f, 1.0f, 0.0f);

               gl.glRotatef(rotate, 0.0f, 0.0f, 1.0f);

               gl.glRotatef(rotate, 0.0f, 1.0f, 0.0f);

               rotate = rotate + 0;

           } else if (rotateOn && shapeSpeed == 0) {

               gl.glRotatef(rotate, 1.0f, 0.0f, 0.0f);

               gl.glRotatef(rotate, 0.0f, 1.0f, 0.0f);

               gl.glRotatef(rotate, 0.0f, 0.0f, 1.0f);

               gl.glRotatef(rotate, 0.0f, 1.0f, 0.0f);

               rotate = rotate + shapeSpeed + .1f;

           } else if (rotateOn && shapeSpeed > 0) {

               gl.glRotatef(rotate, 1.0f, 0.0f, 0.0f);

               gl.glRotatef(rotate, 0.0f, 1.0f, 0.0f);

               gl.glRotatef(rotate, 0.0f, 0.0f, 1.0f);

               gl.glRotatef(rotate, 0.0f, 1.0f, 0.0f);

               rotate = rotate + shapeSpeed;

           }



           createShape1(gl);

           createShape2(gl);



           gl.glEnd();

    }



    public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {

    }



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

    }



    static void destruct() {

           anim.stop();

    app.dispose();

    System.exit(0);

    }

        

}