phongshadingglsl.java

java 3d编程的一些例子源代码

        case DIRECTIONAL_LIGHT:
            lgt1 = new DirectionalLight(lColor1, lDirect1);
//            lgt2 = new DirectionalLight(lColor2, lDirect2);
            break;
        case POINT_LIGHT:
            assert false : "can't get here";
            lgt1 = new PointLight(lColor1, lPoint, atten);
//            lgt2 = new PointLight(lColor2, lPoint, atten);
            break;
        case SPOT_LIGHT:
            assert false : "can't get here";
            lgt1 = new SpotLight(lColor1, lPoint, atten, lDirect1,
                                 25.0f * (float)Math.PI / 180.0f, 10.0f);
//            lgt2 = new SpotLight(lColor2, lPoint, atten, lDirect2,
//                                 25.0f * (float)Math.PI / 180.0f, 10.0f);
            break;
        }

        // Set the influencing bounds
        aLgt.setInfluencingBounds(bounds);
        lgt1.setInfluencingBounds(bounds);
//        lgt2.setInfluencingBounds(bounds);

        // Add the lights into the scene graph
        objScale.addChild(aLgt);
        l1Trans.addChild(lgt1);
//        l2Trans.addChild(lgt2);

        // Create a new Behavior object that will perform the desired
        // operation on the specified transform object and add it into the
        // scene graph.
        yAxis = new Transform3D();
        Alpha rotor1Alpha = new Alpha(-1, Alpha.INCREASING_ENABLE,
                                     0, 0,
                                     4000, 0, 0,
                                     0, 0, 0);
        RotationInterpolator rotator1 =
            new RotationInterpolator(rotor1Alpha,
                                     l1RotTrans,
                                     yAxis,
                                     0.0f, (float) Math.PI*2.0f);
        rotator1.setSchedulingBounds(bounds);
        l1RotTrans.addChild(rotator1);

        // Create a new Behavior object that will perform the desired
        // operation on the specified transform object and add it into the
        // scene graph.
        Alpha rotor2Alpha = new Alpha(-1, Alpha.INCREASING_ENABLE,
                                     0, 0,
                                     1000, 0, 0,
                                     0, 0, 0);
        RotationInterpolator rotator2 =
            new RotationInterpolator(rotor2Alpha,
                                     l2RotTrans,
                                     yAxis,
                                     0.0f, 0.0f);
        bounds = new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
        rotator2.setSchedulingBounds(bounds);
        l2RotTrans.addChild(rotator2);

        return objRoot;
    }

    private Canvas3D initScene() {
        GraphicsConfiguration config =
            SimpleUniverse.getPreferredConfiguration();

        Canvas3D c = new Canvas3D(config);

        univ = new SimpleUniverse(c);

        // Add a ShaderErrorListener
        univ.addShaderErrorListener(new ShaderErrorListener() {
            public void errorOccurred(ShaderError error) {
                error.printVerbose();
                JOptionPane.showMessageDialog(PhongShadingGLSL.this,
                              error.toString(),
                              "ShaderError",
                              JOptionPane.ERROR_MESSAGE);
            }
        });

        // This will move the ViewPlatform back a bit so the
        // objects in the scene can be viewed.
        univ.getViewingPlatform().setNominalViewingTransform();

        BranchGroup scene = createSceneGraph();
        univ.addBranchGraph(scene);

        return c;
    }

    /**
     * Creates new form PhongShadingGLSL
     */
    public PhongShadingGLSL() {
        // Initialize the GUI components
        initComponents();

        // Create the scene and add the Canvas3D to the drawing panel
        Canvas3D c = initScene();
        drawingPanel.add(c, java.awt.BorderLayout.CENTER);
    }


    // ----------------------------------------------------------------
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
    private void initComponents() {
        java.awt.GridBagConstraints gridBagConstraints;

        shaderButtonGroup = new javax.swing.ButtonGroup();
        guiPanel = new javax.swing.JPanel();
        jPanel1 = new javax.swing.JPanel();
        gouraudButton = new javax.swing.JRadioButton();
        phongButton = new javax.swing.JRadioButton();
        drawingPanel = new javax.swing.JPanel();
        jMenuBar1 = new javax.swing.JMenuBar();
        fileMenu = new javax.swing.JMenu();
        exitMenuItem = new javax.swing.JMenuItem();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("Phong Shading Test");
        guiPanel.setLayout(new java.awt.GridBagLayout());

        jPanel1.setLayout(new java.awt.GridBagLayout());

        jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("Shader"));
        shaderButtonGroup.add(gouraudButton);
        gouraudButton.setSelected(true);
        gouraudButton.setText("Per-Vertex Lighting (Gouraud)");
        gouraudButton.setBorder(javax.swing.BorderFactory.createEmptyBorder(0, 0, 0, 0));
        gouraudButton.setMargin(new java.awt.Insets(0, 0, 0, 0));
        gouraudButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                gouraudButtonActionPerformed(evt);
            }
        });

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.insets = new java.awt.Insets(2, 2, 2, 2);
        jPanel1.add(gouraudButton, gridBagConstraints);

        shaderButtonGroup.add(phongButton);
        phongButton.setText("Per-Pixel Lighting (Phong)");
        phongButton.setBorder(javax.swing.BorderFactory.createEmptyBorder(0, 0, 0, 0));
        phongButton.setMargin(new java.awt.Insets(0, 0, 0, 0));
        phongButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                phongButtonActionPerformed(evt);
            }
        });

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.insets = new java.awt.Insets(2, 2, 2, 2);
        jPanel1.add(phongButton, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        guiPanel.add(jPanel1, gridBagConstraints);

        getContentPane().add(guiPanel, java.awt.BorderLayout.NORTH);

        drawingPanel.setLayout(new java.awt.BorderLayout());

        drawingPanel.setPreferredSize(new java.awt.Dimension(500, 500));
        getContentPane().add(drawingPanel, java.awt.BorderLayout.CENTER);

        fileMenu.setText("File");
        exitMenuItem.setText("Exit");
        exitMenuItem.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                exitMenuItemActionPerformed(evt);
            }
        });

        fileMenu.add(exitMenuItem);

        jMenuBar1.add(fileMenu);

        setJMenuBar(jMenuBar1);

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void phongButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_phongButtonActionPerformed
        sApp.setShaderProgram(phongSP);
    }//GEN-LAST:event_phongButtonActionPerformed

    private void gouraudButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_gouraudButtonActionPerformed
        sApp.setShaderProgram(gouraudSP);
    }//GEN-LAST:event_gouraudButtonActionPerformed

    private void exitMenuItemActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_exitMenuItemActionPerformed
        System.exit(0);
    }//GEN-LAST:event_exitMenuItemActionPerformed
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new PhongShadingGLSL().setVisible(true);
            }
        });
    }
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JPanel drawingPanel;
    private javax.swing.JMenuItem exitMenuItem;
    private javax.swing.JMenu fileMenu;
    private javax.swing.JRadioButton gouraudButton;
    private javax.swing.JPanel guiPanel;
    private javax.swing.JMenuBar jMenuBar1;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JRadioButton phongButton;
    private javax.swing.ButtonGroup shaderButtonGroup;
    // End of variables declaration//GEN-END:variables
    
}