package demos.tetra;
import javax.media.opengl.GL;
import javax.media.opengl.GLEventListener;
import javax.media.opengl.GLAutoDrawable;
import javax.media.opengl.glu.GLU;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.media.opengl.GLCanvas;
import java.awt.Frame;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import com.sun.opengl.util.Animator;
 
public class JOGLTetrahedron implements GLEventListener, KeyListener {
public static void main(String[] args) {
    Frame frame = new Frame("Gear Demo");
    GLCanvas canvas = new GLCanvas();
   
    canvas.addGLEventListener(new JOGLTetrahedron());
    frame.add(canvas);
    frame.setSize(300, 300);
    final Animator animator = new Animator(canvas);
    frame.addWindowListener(new WindowAdapter() {
        public void windowClosing(WindowEvent e) {
          // Run this on another thread than the AWT event queue to
          // make sure the call to Animator.stop() completes before
          // exiting
          new Thread(new Runnable() {
              public void run() {
                animator.stop();
                System.exit(0);
              }
            }).start();
        }
      });
    frame.show();
    animator.start();
  }

 float rotateT = 0.0f;
static GLU glu = new GLU();

public void init(GLAutoDrawable gLDrawable) {
   GL gl = gLDrawable.getGL();
   gl.glShadeModel(GL.GL_SMOOTH);
   gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
   gl.glClearDepth(1.0f);
   gl.glEnable(GL.GL_DEPTH_TEST);
   gl.glDepthFunc(GL.GL_LEQUAL);
   gl.glHint(GL.GL_PERSPECTIVE_CORRECTION_HINT, 
        GL.GL_NICEST);
   gLDrawable.addKeyListener(this);
    }

public void reshape(GLAutoDrawable gLDrawable, int x, 
         int y, int width, int height) {
   GL gl = gLDrawable.getGL();
   if(height <= 0) {
       height = 1;
   }
   float h = (float)width / (float)height;
   gl.glMatrixMode(GL.GL_PROJECTION);
   gl.glLoadIdentity();
   glu.gluPerspective(50.0f, h, 1.0, 1000.0);
   gl.glMatrixMode(GL.GL_MODELVIEW);
   gl.glLoadIdentity();
    }

 public void display(GLAutoDrawable gLDrawable) {
   final GL gl = gLDrawable.getGL();
   gl.glClear(GL.GL_COLOR_BUFFER_BIT);
   gl.glClear(GL.GL_DEPTH_BUFFER_BIT);
   gl.glLoadIdentity();
   gl.glTranslatef(0.0f, 0.0f, -5.0f);
 
   gl.glRotatef(rotateT, 1.0f, 0.0f, 0.0f);
   gl.glRotatef(rotateT, 0.0f, 1.0f, 0.0f);
   gl.glRotatef(rotateT, 0.0f, 0.0f, 1.0f);
   gl.glRotatef(rotateT, 0.0f, 1.0f, 0.0f);
 
   gl.glBegin(GL.GL_TRIANGLES);
 
   // 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(1.0f, -1.0f, 1.0f);
 
   // 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, 0.0f, 0.0f); 
   gl.glVertex3f(-1.0f, -1.0f, 1.0f);
   gl.glColor3f(0.1f, 0.1f, 0.1f); 
   gl.glVertex3f(1.0f, -1.0f, 1.0f);
   gl.glColor3f(0.2f, 0.2f, 0.2f); 
   gl.glVertex3f(0.0f, -1.0f, -1.0f);
 
   gl.glEnd();
 
   rotateT += 0.2f;
    }

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

public void keyPressed(KeyEvent e) {
   if(e.getKeyCode() == KeyEvent.VK_ESCAPE) {
       System.exit(0);
   }
    }
 
    public void keyReleased(KeyEvent e) {
    }
 
    public void keyTyped(KeyEvent e) {
    }
 
}

package demos.applets;
import javax.media.opengl.*;
import com.sun.opengl.util.*;
import demos.tetra.JOGLTetrahedron;

/** Shows how to deploy an applet using JOGL. This demo must be
    referenced from a web page via an <applet> tag. */

public class TetraApplet extends Applet {
  private Animator animator;

  public void init() {
    setLayout(new BorderLayout());
    GLCanvas canvas = new GLCanvas();
    canvas.addGLEventListener(new JOGLTetrahedron());
    canvas.setSize(getSize());
    add(canvas, BorderLayout.CENTER);
    animator = new FPSAnimator(canvas, 60);
  }

  public void start() {
    animator.start();
  }

  public void stop() {
    // FIXME: do I need to do anything else here?
    animator.stop();
  }
}