Initial import of JOGL 2 redbook sample projects

-project builds stand alone, all dependencies including doc are downloaded automatically
-a full build will create a slideshow applet in dist/
-project can be opened with NetBeans
-original credits go to Kiet Le, ported to JOGL 2 by Claudio E. Goes

1 files changed, 165 insertions, 0 deletions

diff --git a/src/redbook/src/glredbook11/unproject.java b/src/redbook/src/glredbook11/unproject.java
new file mode 100644
index 0000000..4f5514d
--- /dev/null
+++ b/src/redbook/src/glredbook11/unproject.java
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+package glredbook11;

+ 

+import java.awt.event.KeyEvent;

+import java.awt.event.KeyListener;

+import java.awt.event.MouseEvent;

+import java.awt.event.MouseListener;

+

+import javax.media.opengl.*;

+import javax.swing.JFrame;

+

+import glredbook10.GLSkeleton;

+import javax.media.opengl.awt.GLJPanel;

+import javax.media.opengl.glu.GLU;

+ 

+

+/**

+ * When the left mouse button is pressed, this program reads the mouse position

+ * and determines two 3D points from which it was transformed. Very little is

+ * displayed.

+ * 

+ * @author Kiet Le (Java port) Ported to JOGL 2.x by Claudio Eduardo Goes

+ */

+public class unproject//

+        extends GLSkeleton<GLJPanel>

+        implements GLEventListener, KeyListener, MouseListener {

+    private GLU glu;  

+    private MouseEvent mouse;

+

+    @Override

+    protected GLJPanel createDrawable() {

+        GLCapabilities caps = new GLCapabilities(null);

+        //

+        GLJPanel panel = new GLJPanel(caps);

+        panel.addGLEventListener(this);

+        panel.addKeyListener(this);

+        panel.addMouseListener(this);

+        return panel;

+    }

+

+    public static void main(String[] args) {

+        unproject demo = new unproject();

+

+        JFrame.setDefaultLookAndFeelDecorated(true);

+        JFrame frame = new JFrame("unproject");

+        frame.setSize(500, 500);

+        frame.setLocationRelativeTo(null);

+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

+

+        frame.getContentPane().add(demo.drawable);

+        frame.setVisible(true);

+        demo.drawable.requestFocusInWindow();

+    }

+

+    public void init(GLAutoDrawable drawable) {

+//        GL2 gl = drawable.getGL().getGL2();

+        glu = new GLU(); 

+    }

+

+    public void display(GLAutoDrawable drawable) {

+        GL2 gl = drawable.getGL().getGL2();

+        //

+        gl.glClear(GL.GL_COLOR_BUFFER_BIT);

+

+        int viewport[] = new int[4];

+        double mvmatrix[] = new double[16];

+        double projmatrix[] = new double[16];

+        int realy = 0;// GL y coord pos

+        double wcoord[] = new double[4];// wx, wy, wz;// returned xyz coords

+        if (mouse != null) {

+            int x = mouse.getX(), y = mouse.getY();

+            switch (mouse.getButton()) {

+            case MouseEvent.BUTTON1:

+                gl.glGetIntegerv(GL.GL_VIEWPORT, viewport, 0);

+                gl.glGetDoublev(GL2.GL_MODELVIEW_MATRIX, mvmatrix, 0);

+                gl.glGetDoublev(GL2.GL_PROJECTION_MATRIX, projmatrix, 0);

+                /* note viewport[3] is height of window in pixels */

+                realy = viewport[3] - (int) y - 1;

+                System.out.println("Coordinates at cursor are (" + x + ", "

+                        + realy);

+                glu.gluUnProject((double) x, (double) realy, 0.0, //

+                        mvmatrix, 0,//

+                        projmatrix, 0, //

+                        viewport, 0, //

+                        wcoord, 0);

+                System.out

+                        .println("World coords at z=0.0 are ( " //

+                                + wcoord[0] + ", " + wcoord[1] + ", "

+                                + wcoord[2] + ")");

+                glu.gluUnProject((double) x, (double) realy, 1.0, //

+                        mvmatrix, 0,//

+                        projmatrix, 0,//

+                        viewport, 0, //

+                        wcoord, 0);

+                System.out

+                        .println("World coords at z=1.0 are (" //

+                                + wcoord[0] + ", " + wcoord[1] + ", "

+                                + wcoord[2] + ")");

+                break;

+            case MouseEvent.BUTTON2:

+                break;

+            default:

+                break;

+            }

+        }

+

+        gl.glFlush();

+    }

+

+    /* Change these values for a different transformation */

+    public void reshape(GLAutoDrawable drawable, int x, int y, int w, int h) {

+        GL2 gl = drawable.getGL().getGL2();

+        //

+        gl.glViewport(0, 0, w, h);

+        gl.glMatrixMode(GL2.GL_PROJECTION);

+        gl.glLoadIdentity();

+        glu.gluPerspective(45.0, (float) w / (float) h, 1.0, 100.0);

+        gl.glMatrixMode(GL2.GL_MODELVIEW);

+        gl.glLoadIdentity();

+    }

+

+    public void displayChanged(GLAutoDrawable drawable, boolean modeChanged,

+            boolean deviceChanged) {

+    }

+

+    public void keyTyped(KeyEvent key) {

+    }

+

+    public void keyPressed(KeyEvent key) {

+

+        switch (key.getKeyCode()) {

+        case KeyEvent.VK_ESCAPE:

+            System.exit(0);

+            break;

+

+        default:

+            break;

+        }

+

+    }

+

+    public void keyReleased(KeyEvent key) {

+    }

+

+    public void mouseClicked(MouseEvent e) {

+    }

+

+    public void mousePressed(MouseEvent e) {

+        mouse = e;

+        super.refresh();

+    }

+

+    public void mouseReleased(MouseEvent e) {

+    }

+

+    public void mouseEntered(MouseEvent e) {

+    }

+

+    public void mouseExited(MouseEvent e) {

+    }

+

+    public void dispose(GLAutoDrawable arg0) {

+         

+    }

+

+}