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+/*
+ * $RCSfile$
+ *
+ * Copyright (c) 2004 Sun Microsystems, Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any
+ * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
+ * EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
+ * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
+ * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
+ * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
+ * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
+ * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
+ * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
+ * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed, licensed or
+ * intended for use in the design, construction, operation or
+ * maintenance of any nuclear facility.
+ *
+ * $Revision$
+ * $Date$
+ * $State$
+ */
+
+import java.applet.Applet;
+import java.awt.*;
+import java.awt.event.*;
+import com.sun.j3d.utils.applet.MainFrame;
+import com.sun.j3d.utils.geometry.*;
+import com.sun.j3d.utils.universe.*;
+import com.sun.j3d.utils.image.TextureLoader;
+import javax.media.j3d.*;
+import javax.vecmath.*;
+import javax.swing.*;
+import javax.swing.event.*;
+import javax.swing.border.*;
+import com.sun.j3d.utils.behaviors.vp.*;
+import java.nio.*;
+
+public class InterleavedNIOBuffer extends JApplet implements ActionListener {
+
+ RenderingAttributes ra;
+ ColoringAttributes ca;
+ Material mat;
+ Appearance app;
+ JComboBox geomType;
+ JCheckBox transparency;
+ JCheckBox textureBox;
+ Shape3D shape;
+ TransparencyAttributes transp;
+
+ GeometryArray tetraRegular, tetraStrip, tetraIndexed, tetraIndexedStrip;
+ GeometryArray[] geoArrays = new GeometryArray[4];
+
+ // Globally used colors
+ Color3f white = new Color3f(1.0f, 1.0f, 1.0f);
+ Color3f red = new Color3f(1.0f, 0.0f, 0.0f);
+ Color3f green = new Color3f(0.0f, 1.0f, 0.0f);
+ Color3f blue = new Color3f(0.0f, 0.0f, 1.0f);
+ Color3f[] colors = {white, red, green, blue};
+
+ private static final float sqrt3 = (float) Math.sqrt(3.0);
+ private static final float sqrt3_3 = sqrt3 / 3.0f;
+ private static final float sqrt24_3 = (float) Math.sqrt(24.0) / 3.0f;
+
+ private static final float ycenter = 0.5f * sqrt24_3;
+ private static final float zcenter = -sqrt3_3;
+
+ private static final Point3f p1 =
+ new Point3f(-1.0f, -ycenter, -zcenter);
+ private static final Point3f p2 =
+ new Point3f(1.0f, -ycenter, -zcenter);
+ private static final Point3f p3 =
+ new Point3f(0.0f, -ycenter, -sqrt3 - zcenter);
+ private static final Point3f p4 =
+ new Point3f(0.0f, sqrt24_3 - ycenter, 0.0f);
+
+ private static final Point2f t1 = new Point2f(0.0f, 0.0f);
+ private static final Point2f t2 = new Point2f(0.5f, 1.0f);
+ private static final Point2f t3 = new Point2f(1.0f, 0.0f);
+ private static final Point2f t4 = new Point2f(1.0f, 1.0f);
+
+ private static final Color3f c1 = new Color3f(1.0f, 0.0f, 0.0f);
+ private static final Color3f c2 = new Color3f(0.0f, 1.0f, 0.0f);
+ private static final Color3f c3 = new Color3f(0.0f, 1.0f, 1.0f);
+ private static final Color3f c4 = new Color3f(1.0f, 1.0f, 0.0f);
+
+
+ private static final float[] interleaved = {
+ t1.x, t1.y,
+ t1.x, t1.y,
+ c1.x, c1.y, c1.z, // front face
+ p1.x, p1.y, p1.z, // front face
+ t2.x, t2.y,
+ t2.x, t2.y,
+ c2.x, c2.y, c2.z,
+ p2.x, p2.y, p2.z,
+ t4.x, t4.y,
+ t4.x, t4.y,
+ c4.x, c4.y, c4.z,
+ p4.x, p4.y, p4.z,
+
+ t1.x, t1.y,
+ t1.x, t1.y,
+ c1.x, c1.y, c1.z,// left, back face
+ p1.x, p1.y, p1.z,// left, back face
+ t4.x, t4.y,
+ t4.x, t4.y,
+ c4.x, c4.y, c4.z,
+ p4.x, p4.y, p4.z,
+ t3.x, t3.y,
+ t3.x, t3.y,
+ c3.x, c3.y, c3.z,
+ p3.x, p3.y, p3.z,
+
+ t2.x, t2.y,
+ t2.x, t2.y,
+ c2.x, c2.y, c2.z,// right, back face
+ p2.x, p2.y, p2.z,// right, back face
+ t3.x, t3.y,
+ t3.x, t3.y,
+ c3.x, c3.y, c3.z,
+ p3.x, p3.y, p3.z,
+ t4.x, t4.y,
+ t4.x, t4.y,
+ c4.x, c4.y, c4.z,
+ p4.x, p4.y, p4.z,
+
+ t1.x, t1.y,
+ t1.x, t1.y,
+ c1.x, c1.y, c1.z,// bottom face
+ p1.x, p1.y, p1.z,// bottom face
+ t3.x, t3.y,
+ t3.x, t3.y,
+ c3.x, c3.y, c3.z,
+ p3.x, p3.y, p3.z,
+ t2.x, t2.y,
+ t2.x, t2.y,
+ c2.x, c2.y, c2.z,
+ p2.x, p2.y, p2.z,
+ };
+
+ private static final float[] indexedInterleaved = {
+ t1.x,t1.y,
+ t1.x,t1.y,
+ c1.x,c1.y,c1.z,
+ p1.x,p1.y,p1.z,
+ t2.x,t2.y,
+ t2.x,t2.y,
+ c2.x,c2.y,c2.z,
+ p2.x,p2.y,p2.z,
+ t3.x,t3.y,
+ t3.x,t3.y,
+ c3.x,c3.y,c3.z,
+ p3.x,p3.y,p3.z,
+ t4.x,t4.y,
+ t4.x,t4.y,
+ c4.x,c4.y,c4.z,
+ p4.x,p4.y,p4.z,
+ };
+
+
+ private static final int[] indices = {0,1,3,0,3,2,1,2,3,0,2,1};
+ private int[] stripVertexCounts = {3,3,3,3};
+
+ TextureUnitState textureUnitState[] = new TextureUnitState[2];
+ Texture tex1;
+ Texture tex2;
+
+ private java.net.URL texImage1 = null;
+ private java.net.URL texImage2 = null;
+
+ private SimpleUniverse u;
+
+ private J3DBuffer interleavedBuffer;
+ private J3DBuffer indexedInterleavedBuffer;
+
+ void createInterleavedBuffers() {
+ int size;
+ ByteOrder order = ByteOrder.nativeOrder();
+
+ size = (2 + 2 + 3 + 3 ) * 3 * 4;
+ FloatBuffer vertex = ByteBuffer.allocateDirect(size * 4).order(order).asFloatBuffer();
+ vertex.put(interleaved, 0, size);
+ interleavedBuffer = new J3DBuffer(vertex);
+
+ size = ( 2 + 2 + 3 + 3) * 4;
+ FloatBuffer indexedVertex = ByteBuffer.allocateDirect(size * 4).order(order).asFloatBuffer();
+ indexedVertex.put(indexedInterleaved, 0, size);
+ indexedInterleavedBuffer = new J3DBuffer(indexedVertex);
+ }
+
+ BranchGroup createSceneGraph() {
+ BranchGroup objRoot = new BranchGroup();
+
+ // Set up attributes to render lines
+ app = new Appearance();
+ app.setCapability(Appearance.ALLOW_TEXTURE_UNIT_STATE_WRITE);
+
+ transp = new TransparencyAttributes();
+ transp.setTransparency(0.5f);
+ transp.setCapability(TransparencyAttributes.ALLOW_MODE_WRITE);
+ transp.setTransparencyMode(TransparencyAttributes.NONE);
+ app.setTransparencyAttributes(transp);
+
+ // load textures
+ TextureAttributes texAttr1 = new TextureAttributes();
+ texAttr1.setTextureMode(TextureAttributes.DECAL);
+ TextureAttributes texAttr2 = new TextureAttributes();
+ texAttr2.setTextureMode(TextureAttributes.MODULATE);
+
+ TextureLoader tex = new TextureLoader(texImage1, new String("RGB"), this);
+ if (tex == null)
+ return null;
+ tex1 = tex.getTexture();
+
+ tex = new TextureLoader(texImage2, new String("RGB"), this);
+ if (tex == null)
+ return null;
+ tex2 = tex.getTexture();
+
+ textureUnitState[0] = new TextureUnitState(tex1, texAttr1, null);
+ textureUnitState[1] = new TextureUnitState(tex2, texAttr2, null);
+
+ createInterleavedBuffers();
+
+ tetraRegular = createGeometry(1);
+ tetraStrip =createGeometry(2);
+ tetraIndexed = createGeometry(3);
+ tetraIndexedStrip = createGeometry(4);
+
+ geoArrays[0] = tetraRegular;
+ geoArrays[1] = tetraStrip;
+ geoArrays[2] = tetraIndexed;
+ geoArrays[3] = tetraIndexedStrip;
+
+ shape = new Shape3D(tetraRegular, app);
+ shape.setCapability(Shape3D.ALLOW_GEOMETRY_WRITE);
+
+ Transform3D t = new Transform3D();
+ // move the object upwards
+ t.set(new Vector3f(0.0f, 0.3f, 0.0f));
+
+ // rotate the shape
+ Transform3D temp = new Transform3D();
+ temp.rotX(Math.PI/4.0d);
+ t.mul(temp);
+ temp.rotY(Math.PI/4.0d);
+ t.mul(temp);
+
+ // Shrink the object
+ t.setScale(0.6);
+
+ TransformGroup trans = new TransformGroup(t);
+ trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
+ trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
+
+ objRoot.addChild(trans);
+ trans.addChild(shape);
+
+ BoundingSphere bounds =
+ new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
+
+ // Set up the global lights
+ Color3f lColor1 = new Color3f(0.7f, 0.7f, 0.7f);
+ Vector3f lDir1 = new Vector3f(-1.0f, -1.0f, -1.0f);
+ Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f);
+
+ AmbientLight aLgt = new AmbientLight(alColor);
+ aLgt.setInfluencingBounds(bounds);
+ DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
+ lgt1.setInfluencingBounds(bounds);
+ objRoot.addChild(aLgt);
+ objRoot.addChild(lgt1);
+
+ // Let Java 3D perform optimizations on this scene graph.
+ objRoot.compile();
+
+ return objRoot;
+ }
+
+ JPanel createGeometryByReferencePanel() {
+ JPanel panel = new JPanel();
+ panel.setBorder(new TitledBorder("Geometry Type"));
+
+ String values[] = {"Array", "Strip", "Indexed", "IndexedStrip"};
+ geomType = new JComboBox(values);
+ geomType.setLightWeightPopupEnabled(false);
+ geomType.addActionListener(this);
+ geomType.setSelectedIndex(0);
+ panel.add(new JLabel("Geometry Type"));
+ panel.add(geomType);
+
+ transparency = new JCheckBox("EnableTransparency",
+ false);
+ transparency.addActionListener(this);
+ panel.add(transparency);
+
+ textureBox = new JCheckBox("EnableTexture", false);
+ textureBox.addActionListener(this);
+ panel.add(textureBox);
+
+ return panel;
+ }
+
+ public InterleavedNIOBuffer() {
+ }
+
+ public InterleavedNIOBuffer(java.net.URL texURL1, java.net.URL texURL2) {
+ texImage1 = texURL1;
+ texImage2 = texURL2;
+ }
+
+ public void init() {
+
+ // create textures
+
+ if (texImage1 == null) {
+ // the path to the image for an applet
+ try {
+ texImage1 = new java.net.URL(getCodeBase().toString() +
+ "../images/bg.jpg");
+ }
+ catch (java.net.MalformedURLException ex) {
+ System.out.println(ex.getMessage());
+ System.exit(1);
+ }
+ }
+
+ if (texImage2 == null) {
+ // the path to the image for an applet
+ try {
+ texImage2 = new java.net.URL(getCodeBase().toString() +
+ "../images/one.jpg");
+ }
+ catch (java.net.MalformedURLException ex) {
+ System.out.println(ex.getMessage());
+ System.exit(1);
+ }
+ }
+
+ Container contentPane = getContentPane();
+
+ Canvas3D c = new Canvas3D(SimpleUniverse.getPreferredConfiguration());
+ contentPane.add("Center", c);
+
+ BranchGroup scene = createSceneGraph();
+ // SimpleUniverse is a Convenience Utility class
+ u = new SimpleUniverse(c);
+
+ // add mouse behaviors to the viewingPlatform
+ ViewingPlatform viewingPlatform = u.getViewingPlatform();
+
+ // This will move the ViewPlatform back a bit so the
+ // objects in the scene can be viewed.
+ viewingPlatform.setNominalViewingTransform();
+
+ // add Orbit behavior to the viewing platform
+ OrbitBehavior orbit = new OrbitBehavior(c, OrbitBehavior.REVERSE_ALL);
+ BoundingSphere bounds =
+ new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
+ orbit.setSchedulingBounds(bounds);
+ viewingPlatform.setViewPlatformBehavior(orbit);
+
+ u.addBranchGraph(scene);
+
+
+ // Create GUI
+ JPanel p = new JPanel();
+ BoxLayout boxlayout = new BoxLayout(p,
+ BoxLayout.Y_AXIS);
+ p.add(createGeometryByReferencePanel());
+ p.setLayout(boxlayout);
+
+ contentPane.add("South", p);
+ }
+
+ public void destroy() {
+ u.cleanup();
+ }
+
+ public void actionPerformed(ActionEvent e) {
+ Object target = e.getSource();
+ if (target == geomType) {
+ shape.setGeometry(geoArrays[geomType.getSelectedIndex()]);
+
+ }
+ else if (target == transparency) {
+ if (transparency.isSelected()) {
+ transp.setTransparencyMode(TransparencyAttributes.BLENDED);
+ }
+ else {
+ transp.setTransparencyMode(TransparencyAttributes.NONE);
+ }
+ }
+ else if (target == textureBox) {
+ if (textureBox.isSelected()) {
+ app.setTextureUnitState(textureUnitState);
+ }
+ else {
+ app.setTextureUnitState(null);
+ }
+ }
+ }
+
+
+
+ public static void main(String[] args) {
+ java.net.URL texURL1 = null;
+ java.net.URL texURL2 = null;
+ // the path to the image for an application
+ try {
+ texURL1 = new java.net.URL("file:../images/bg.jpg");
+ texURL2 = new java.net.URL("file:../images/one.jpg");
+ }
+ catch (java.net.MalformedURLException ex) {
+ System.out.println(ex.getMessage());
+ System.exit(1);
+ }
+
+ Frame frame = new MainFrame(new InterleavedNIOBuffer(texURL1, texURL2),
+ 800, 800);
+ }
+
+ public GeometryArray createGeometry (int type) {
+ GeometryArray tetra = null;
+ int texCoordSetMap[] = {0, 0};
+
+ if (type == 1) {
+ tetra =new TriangleArray(12,
+ TriangleArray.COORDINATES|
+ TriangleArray.COLOR_3|
+ /*
+ TriangleArray.NORMAL_3|
+ */
+ TriangleArray.TEXTURE_COORDINATE_2 |
+ TriangleArray.INTERLEAVED|
+ TriangleArray.BY_REFERENCE|
+ TriangleArray.USE_NIO_BUFFER,
+ 2, texCoordSetMap);
+
+ tetra.setInterleavedVertexBuffer(interleavedBuffer);
+
+ }
+ else if (type == 2) {
+ tetra = new TriangleStripArray(12,
+ TriangleStripArray.COORDINATES|
+ TriangleStripArray.COLOR_3|
+ /*
+ TriangleArray.NORMAL_3|
+ */
+ TriangleArray.TEXTURE_COORDINATE_2 |
+ TriangleStripArray.INTERLEAVED|
+ TriangleStripArray.BY_REFERENCE|
+ TriangleStripArray.USE_NIO_BUFFER,
+ 2, texCoordSetMap,
+ stripVertexCounts);
+ tetra.setInterleavedVertexBuffer(interleavedBuffer);
+
+
+ }
+ else if (type == 3) { // Indexed Geometry
+ tetra = new IndexedTriangleArray(4,
+ IndexedTriangleArray.COORDINATES|
+ IndexedTriangleArray.COLOR_3|
+ /*
+ IndexedTriangleArray.NORMAL_3|
+ */
+ IndexedTriangleArray.TEXTURE_COORDINATE_2 |
+ IndexedTriangleArray.INTERLEAVED|
+ IndexedTriangleArray.BY_REFERENCE|
+ IndexedTriangleArray.USE_NIO_BUFFER|
+ IndexedTriangleArray.USE_COORD_INDEX_ONLY,
+ 2, texCoordSetMap,
+ 12);
+ tetra.setInterleavedVertexBuffer(indexedInterleavedBuffer);
+ ((IndexedTriangleArray)tetra).setCoordinateIndices(0, indices);
+ ((IndexedTriangleArray)tetra).setColorIndices(0, indices);
+ ((IndexedTriangleArray)tetra).setTextureCoordinateIndices(
+ 0, 0, indices);
+ ((IndexedTriangleArray)tetra).setTextureCoordinateIndices(
+ 1, 0, indices);
+ }
+ else if (type == 4) { // Indexed strip geometry
+ tetra = new IndexedTriangleStripArray(4,
+ IndexedTriangleStripArray.COORDINATES|
+ IndexedTriangleStripArray.COLOR_3|
+ /*
+ IndexedTriangleArray.NORMAL_3|
+ */
+ IndexedTriangleArray.TEXTURE_COORDINATE_2 |
+ IndexedTriangleStripArray.INTERLEAVED|
+ IndexedTriangleStripArray.BY_REFERENCE|
+ IndexedTriangleStripArray.USE_NIO_BUFFER,
+ //IndexedTriangleStripArray.USE_COORD_INDEX_ONLY,
+ 2, texCoordSetMap,
+ 12,
+ stripVertexCounts);
+ tetra.setInterleavedVertexBuffer(indexedInterleavedBuffer);
+ ((IndexedTriangleStripArray)tetra).setCoordinateIndices(0, indices);
+ ((IndexedTriangleStripArray)tetra).setColorIndices(0, indices);
+ ((IndexedTriangleStripArray)tetra).setTextureCoordinateIndices(
+ 0, 0, indices);
+ ((IndexedTriangleStripArray)tetra).setTextureCoordinateIndices(
+ 1, 0, indices);
+ }
+ else if (type == 5) { // Interleaved array
+ }
+ return tetra;
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-29 13:00:49 +0000