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Java Source | 2003-08-08 | 7.1 KB | 237 lines |
- /*
- * @(#)IntersectTest.java 1.10 02/10/21 13:48:59
- *
- * Copyright (c) 1996-2002 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:
- *
- * - Redistributions 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 AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES
- * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THE 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 SOFTWARE,
- * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- *
- * You acknowledge that Software is not designed,licensed or intended
- * for use in the design, construction, operation or maintenance of
- * any nuclear facility.
- */
-
- import java.applet.Applet;
- import java.awt.BorderLayout;
- import java.awt.event.*;
- import java.awt.GraphicsConfiguration;
- import com.sun.j3d.utils.applet.MainFrame;
- import com.sun.j3d.utils.universe.*;
- import javax.media.j3d.*;
- import javax.vecmath.*;
- import com.sun.j3d.utils.behaviors.keyboard.*;
- import com.sun.j3d.utils.picking.PickTool;
-
- public class IntersectTest extends Applet {
-
- BoundingSphere bounds = new BoundingSphere(new Point3d(0.0,0.0,0.0), 1000.0);
-
- private SimpleUniverse u = null;
-
- public BranchGroup createSceneGraph () {
-
- // Create the root of the branch graph
- BranchGroup objRoot = new BranchGroup();
-
- // Set up the ambient light
- Color3f ambientColor = new Color3f(0.1f, 0.1f, 0.1f);
- AmbientLight ambientLightNode = new AmbientLight(ambientColor);
- ambientLightNode.setInfluencingBounds(bounds);
- objRoot.addChild(ambientLightNode);
-
- // Set up the directional lights
- Color3f light1Color = new Color3f(1.0f, 1.0f, 0.9f);
- Vector3f light1Direction = new Vector3f(4.0f, -7.0f, -12.0f);
- Color3f light2Color = new Color3f(0.3f, 0.3f, 0.4f);
- Vector3f light2Direction = new Vector3f(-6.0f, -2.0f, -1.0f);
-
- DirectionalLight light1
- = new DirectionalLight(light1Color, light1Direction);
- light1.setInfluencingBounds(bounds);
- objRoot.addChild(light1);
-
- DirectionalLight light2
- = new DirectionalLight(light2Color, light2Direction);
- light2.setInfluencingBounds(bounds);
- objRoot.addChild(light2);
-
- Transform3D t3 = new Transform3D ();
-
- // Shapes
- for (int x=0;x<3;x++) {
- for (int y=0;y<3;y++) {
- for (int z=0;z<3;z++) {
- t3.setTranslation (new Vector3d(-4+x*4.0, -4+y*4.0, -20-z*4.0));
- TransformGroup objTrans = new TransformGroup(t3);
-
- objRoot.addChild(objTrans);
-
- // Create a simple shape leaf node, add it to the scene graph.
- GeometryArray geom = null;
-
- if (((x+y+z) % 2) == 0) {
- geom = new RandomColorCube();
- }
- else {
- geom = new RandomColorTetrahedron();
- }
-
- Shape3D shape = new Shape3D(geom);
-
- // use the utility method to set the capabilities
- PickTool.setCapabilities(shape, PickTool.INTERSECT_FULL);
-
- objTrans.addChild(shape);
- }
- }
- }
-
- // Lines
- Point3f[] verts = {
- new Point3f (-2.0f, 0.0f, 0.0f),new Point3f(2.0f, 0.0f, 0.0f)
- };
- Color3f grey = new Color3f (0.7f, 0.7f, 0.7f);
- Color3f[] colors = {
- grey, grey
- };
-
- for (int y=0;y<5;y++) {
- for (int z=0;z<5;z++) {
- t3.setTranslation (new Vector3d(7.0, -4+y*2.0, -20.0-z*2.0));
- TransformGroup objTrans = new TransformGroup(t3);
-
- objRoot.addChild(objTrans);
-
- LineArray la = new LineArray (verts.length,
- LineArray.COORDINATES |
- LineArray.COLOR_3);
- la.setCoordinates (0, verts);
- la.setColors (0, colors);
-
-
- Shape3D shape = new Shape3D();
- shape.setGeometry (la);
-
- // use the utility method to set the capabilities
- PickTool.setCapabilities(shape, PickTool.INTERSECT_FULL);
-
- objTrans.addChild(shape);
- }
- }
-
- // Points
- for (double x=-2.0;x<=2.0;x+=1.0) {
- for (double y=-2.0;y<=2.0;y+=1.0) {
- for (double z=-2.0;z<=2.0;z+=1.0) {
- t3.setTranslation (new Vector3d(-10.0+2.0*x, 0.0+2.0*y,-20.0+2.0*z));
- TransformGroup objTrans = new TransformGroup(t3);
-
- objRoot.addChild(objTrans);
-
- PointArray pa = new PointArray (1,
- PointArray.COORDINATES |
- PointArray.COLOR_3);
-
- pa.setCoordinate (0, new Point3d (0.0, 0.0, 0.0));
- pa.setColor (0, grey);
-
- Shape3D shape = new Shape3D();
- shape.setGeometry (pa);
-
- // use the utility method to set the capabilities
- PickTool.setCapabilities(shape, PickTool.INTERSECT_FULL);
-
- objTrans.addChild(shape);
- }
- }
- }
-
- return objRoot;
- }
-
- public IntersectTest () {
- }
-
- public void init() {
- setLayout(new BorderLayout());
-
- GraphicsConfiguration config =
- SimpleUniverse.getPreferredConfiguration();
-
- Canvas3D c = new Canvas3D(config);
- add("Center", c);
-
- // Create a simple scene and attach it to the virtual universe
- BranchGroup scene = createSceneGraph();
- u = new SimpleUniverse(c);
-
- // Add picking behavior
- IntersectInfoBehavior behavior =
- new IntersectInfoBehavior (c, scene,0.05f);
- behavior.setSchedulingBounds (bounds);
- scene.addChild (behavior);
-
- TransformGroup vpTrans =
- u.getViewingPlatform().getViewPlatformTransform();
-
- KeyNavigatorBehavior keybehavior = new KeyNavigatorBehavior (vpTrans);
- keybehavior.setSchedulingBounds (bounds);
- scene.addChild (keybehavior);
- scene.setCapability (Group.ALLOW_CHILDREN_EXTEND);
- scene.compile();
- u.addBranchGraph(scene);
-
- View view = u.getViewer().getView();
- view.setBackClipDistance (100000);
-
- }
-
- public void destroy() {
- u.cleanup();
- }
-
- //
- // The following allows IntersectTest to be run as an application
- // as well as an applet
- //
- public static void main(String[] args) {
- String s = "\n\nIntersectTest:\n-----------\n";
- s += "Pick with the mouse over the primitives\n";
- s += "- A sphere will be placed to indicate the picked point.\n";
- s += "If color information is available, the sphere will change color to reflect\n";
- s += "the interpolated color.\n";
- s += "- Other spheres will be placed to show the vertices of the selected polygon\n";
- s += "- Information will be displayed about the picking operation\n\n\n";
-
- System.out.println (s);
-
- new MainFrame(new IntersectTest(), 640, 640);
- }
- }
-