List of usage examples for javax.media.j3d TransformGroup TransformGroup
public TransformGroup()
From source file:ViewProj.java
public BranchGroup createVWorldViewSG() { // Create the root of the branch graph BranchGroup objRoot = new BranchGroup(); objRoot.setCapability(BranchGroup.ALLOW_DETACH); // setup a transform group to hold the scaled scene TransformGroup objTrans = new TransformGroup(); objRoot.addChild(objTrans);// w w w . java 2 s . co m // get the eye point, field of view and clip distances float fov = (float) view.getFieldOfView(); // figure out the angle factors to find points along the edges // of the FOV // X = fovSpreadX * (Y - eyeVW.y) + eyeVW.x; float fovSpreadX = (float) Math.tan(fov / 2); // Z = fovSpreadZ * (X - eyeVW.x) + eyeVW.z; float fovSpreadZ = 1.0f / fovSpreadX; //System.out.println("fovSpreadX = " + fovSpreadX); //System.out.println("fovSpreadZ = " + fovSpreadZ); Transform3D vpTransform = new Transform3D(); viewingPlatform.getViewPlatformTransform().getTransform(vpTransform); Vector3f vpTranslation = new Vector3f(); vpTransform.get(vpTranslation); eyePtVW.set(vpTranslation); eyePtVW.negate(); // get the eye point in our 2D coord system. Point3f eyePt = new Point3f(0.0f, eyePtVW.z, 0.1f); float frontClipDist = (float) view.getFrontClipDistance(); float backClipDist = (float) view.getBackClipDistance(); // set up the clip plane lines Point3f[] cpPoints = new Point3f[5]; cpPoints[0] = new Point3f(frontClipDist * fovSpreadX, eyePtVW.z + frontClipDist, 0.1f); cpPoints[1] = new Point3f(cpPoints[0]); cpPoints[1].x *= -1; Point3f backLeft = new Point3f(-backClipDist * fovSpreadX, eyePtVW.z + backClipDist, 0.1f); cpPoints[2] = backLeft; Point3f backRight = new Point3f(backLeft); backRight.x *= -1; cpPoints[3] = backRight; cpPoints[4] = cpPoints[0]; //for (int i = 0; i < 4; i++) { // System.out.println("cpPoints[" + i + "] = " + cpPoints[i]); //} int[] cpLength = new int[1]; cpLength[0] = 5; LineStripArray cpLines = new LineStripArray(5, LineArray.COORDINATES, cpLength); cpLines.setCoordinates(0, cpPoints); Appearance cpApp = new Appearance(); ColoringAttributes cpCa = new ColoringAttributes(blue, ColoringAttributes.SHADE_FLAT); cpApp.setColoringAttributes(cpCa); Shape3D cpShape = new Shape3D(cpLines, cpApp); objTrans.addChild(cpShape); // get the limits of the space float minY = eyePt.y; float maxY = backLeft.y; float minX = backLeft.x; float maxX = backRight.x; // figure out the X and Y extents and offsets float deltaX = maxX - minX; float deltaY = maxY - minY; float offsetX = -(maxX + minX) / 2.0f; float offsetY = -(maxY + minY) / 2.0f; float gridSize = Math.max(deltaX, deltaY); // scale the grid slightly to give a border around the edge gridSize *= 1.1f; //System.out.println("offsetX = " + offsetX); //System.out.println("offsetY = " + offsetY); // Scale the view to fit -1 to 1 Transform3D trans = new Transform3D(); trans.set(new Vector3f(offsetX, offsetY, 0.0f), 2.0f / gridSize); objTrans.setTransform(trans); // figure out a grid step that is a multiple of 10 which keeps the // number of steps less than 30. float gridStep = 1.0f; while ((gridSize / gridStep) > 30.0) { gridStep *= 10; } int gridNumSteps = (int) Math.ceil(gridSize / gridStep) + 1; // allocate the grid points array, four points for each step (x and y) // with a couple extra points for the extra grid points added // below int gridNumPoints = 4 * (gridNumSteps + 4); Point3f[] gridPts = new Point3f[gridNumPoints]; for (int i = 0; i < gridNumPoints; i++) { gridPts[i] = new Point3f(); } // find the grid limits. Add a step on each side to make sure // the grid is larger than the view float gridMinY = gridStepFloor(minY, gridStep) - gridStep; float gridMaxY = gridStepCeil(maxY, gridStep) + gridStep; float gridMinX = gridStepFloor(minX, gridStep) - gridStep; float gridMaxX = gridStepCeil(maxX, gridStep) + gridStep; //System.out.println("gridMinY = " + gridMinY); //System.out.println("gridMaxY = " + gridMaxY); //System.out.println("gridMinX = " + gridMinX); //System.out.println("gridMaxX = " + gridMaxX); // set up the background grid Appearance bgApp = new Appearance(); ColoringAttributes bgCa = new ColoringAttributes(); bgCa.setColor(grey); LineAttributes bgLa = new LineAttributes(); bgApp.setColoringAttributes(bgCa); // clear out the clip grid point list numClipGridPts = 0; // set up the vertical lines int numPts = 0; for (float x = gridMinX; x <= gridMaxX; x += gridStep) { gridPts[numPts].x = x; gridPts[numPts].y = gridMinY; gridPts[numPts].z = -0.2f; gridPts[numPts + 1].x = x; gridPts[numPts + 1].y = gridMaxY; gridPts[numPts + 1].z = -0.2f; numPts += 2; // try to add a line to the clipped grid // find the intersection of the clipped line with the FOV sides // this is a distance relative to the eye float clipZ = fovSpreadZ * Math.abs(x - eyePtVW.x); if (clipZ < frontClipDist) { // clip to front clip plane clipZ = frontClipDist; } if (clipZ < backClipDist) { // clip to back clip plane // line is not clipped clipGridPtsVW[numClipGridPts].x = x; clipGridPtsVW[numClipGridPts].y = clipZ + eyePtVW.z; clipGridPtsVW[numClipGridPts].z = -0.1f; clipGridPtsVW[numClipGridPts + 1].x = x; clipGridPtsVW[numClipGridPts + 1].y = backClipDist + eyePtVW.z; clipGridPtsVW[numClipGridPts + 1].z = -0.1f; numClipGridPts += 2; } } LineArray vertLa = new LineArray(numPts, LineArray.COORDINATES); vertLa.setCoordinates(0, gridPts, 0, numPts); Shape3D vertShape = new Shape3D(vertLa, bgApp); objTrans.addChild(vertShape); // set up the horizontal lines numPts = 0; for (float y = gridMinY; y <= gridMaxY; y += gridStep) { gridPts[numPts].x = gridMinX; gridPts[numPts].y = y; gridPts[numPts++].z = -0.2f; gridPts[numPts].x = gridMaxX; gridPts[numPts].y = y; gridPts[numPts++].z = -0.2f; // try to add a line to the clipped grid // find the intersection of the clipped line with the FOV sides // this is a distance relative to the eye float clipDist = (y - eyePtVW.z); if ((clipDist > frontClipDist) && (clipDist < backClipDist)) { float clipX = fovSpreadX * clipDist; clipGridPtsVW[numClipGridPts].x = -clipX; clipGridPtsVW[numClipGridPts].y = y; clipGridPtsVW[numClipGridPts].z = -0.1f; clipGridPtsVW[numClipGridPts + 1].x = clipX; clipGridPtsVW[numClipGridPts + 1].y = y; clipGridPtsVW[numClipGridPts + 1].z = -0.1f; numClipGridPts += 2; } } LineArray horizLa = new LineArray(numPts, LineArray.COORDINATES); horizLa.setCoordinates(0, gridPts, 0, numPts); Shape3D horizShape = new Shape3D(horizLa, bgApp); objTrans.addChild(horizShape); // draw the clipped grid. if (numClipGridPts > 0) { LineArray clipLa = new LineArray(numClipGridPts, LineArray.COORDINATES); clipLa.setCoordinates(0, clipGridPtsVW, 0, numClipGridPts); Appearance clipGridApp = new Appearance(); ColoringAttributes clipCa = new ColoringAttributes(black, ColoringAttributes.SHADE_FLAT); clipGridApp.setColoringAttributes(clipCa); LineAttributes clipGridLa = new LineAttributes(); Shape3D clipShape = new Shape3D(clipLa, clipGridApp); objTrans.addChild(clipShape); } // set up the coordinate system Appearance coordSysApp = new Appearance(); LineAttributes coordSysLa = new LineAttributes(); coordSysLa.setLineWidth(3.0f); coordSysApp.setLineAttributes(coordSysLa); ColoringAttributes coordSysCa = new ColoringAttributes(grey, ColoringAttributes.SHADE_FLAT); coordSysApp.setColoringAttributes(coordSysCa); Point3f[] coordSysPts = new Point3f[4]; coordSysPts[0] = new Point3f(gridMinX, 0, -0.5f); coordSysPts[1] = new Point3f(gridMaxX, 0, -0.5f); coordSysPts[2] = new Point3f(0, gridMinY, -0.5f); coordSysPts[3] = new Point3f(0, gridMaxY, -0.5f); LineArray coordSysLines = new LineArray(4, LineArray.COORDINATES); coordSysLines.setCoordinates(0, coordSysPts); Shape3D coordSysShape = new Shape3D(coordSysLines, coordSysApp); objTrans.addChild(coordSysShape); // set up the circle Appearance circleApp = new Appearance(); ColoringAttributes circleCa = new ColoringAttributes(); circleCa.setColor(red); circleApp.setColoringAttributes(circleCa); PolygonAttributes pa = new PolygonAttributes(); pa.setCullFace(PolygonAttributes.CULL_NONE); circleApp.setPolygonAttributes(pa); int step = 360 / (numCirclePts - 1); for (int deg = 0; deg < 360; deg += step) { double angle = Math.toRadians(deg); circlePtsVW[deg / 10].x = sphereRadius * (float) Math.sin(angle); circlePtsVW[deg / 10].y = sphereRadius * (float) Math.cos(angle); circlePtsVW[deg / 10].z = -0.3f; } circlePtsVW[numCirclePts - 1].set(circlePtsVW[0]); int[] lineStripLength = new int[1]; lineStripLength[0] = numCirclePts; //LineStripArray circleLineStrip = new LineStripArray(numCirclePts, // LineArray.COORDINATES, lineStripLength); TriangleFanArray circleLineStrip = new TriangleFanArray(numCirclePts, LineArray.COORDINATES, lineStripLength); circleLineStrip.setCoordinates(0, circlePtsVW); Shape3D circleShape = new Shape3D(circleLineStrip, circleApp); objTrans.addChild(circleShape); return objRoot; }
From source file:TransformExplorer.java
BranchGroup createSceneGraph() {
// Create the root of the branch graph
BranchGroup objRoot = new BranchGroup();
// Create a TransformGroup to scale the scene down by 3.5x
TransformGroup objScale = new TransformGroup();
Transform3D scaleTrans = new Transform3D();
scaleTrans.set(1 / 3.5f); // scale down by 3.5x
objScale.setTransform(scaleTrans);//from w w w. ja v a 2 s . co m
objRoot.addChild(objScale);
// Create a TransformGroup and initialize it to the
// identity. Enable the TRANSFORM_WRITE capability so that
// the mouse behaviors code can modify it at runtime. Add it to the
// root of the subgraph.
TransformGroup objTrans = new TransformGroup();
objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
objScale.addChild(objTrans);
// Add the primitives to the scene
objTrans.addChild(createConeTransformGroup()); // the cone
rotAxis = new RotAxis(rotAxisLength); // the axis
objTrans.addChild(rotAxis);
coordSys = new CoordSys(coordSysLength); // the coordSys
objTrans.addChild(coordSys);
BoundingSphere bounds = new BoundingSphere(new Point3d(), 100.0);
// The book used a white background for the figures
//Background bg = new Background(new Color3f(1.0f, 1.0f, 1.0f));
//bg.setApplicationBounds(bounds);
//objTrans.addChild(bg);
// 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, 1.0f);
Vector3f light1Direction = new Vector3f(0.0f, -0.2f, -1.0f);
DirectionalLight light1 = new DirectionalLight(light1Color, light1Direction);
light1.setInfluencingBounds(bounds);
objRoot.addChild(light1);
return objRoot;
}
From source file:BehaviorTest.java
public void addBehaviorToParentGroup(Group nodeParentGroup) { nodeParentGroup.addChild(this); m_TransformGroup = new TransformGroup(); m_TransformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); m_BoundsSwitch = new Switch(); m_BoundsSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE); Appearance app = new Appearance(); PolygonAttributes polyAttrbutes = new PolygonAttributes(); polyAttrbutes.setPolygonMode(PolygonAttributes.POLYGON_LINE); polyAttrbutes.setCullFace(PolygonAttributes.CULL_NONE); app.setPolygonAttributes(polyAttrbutes); m_BoundsSwitch.addChild(new Sphere(1, app)); ColorCube cube = new ColorCube(); cube.setAppearance(app);//www .j a v a 2s .c o m Group g = new Group(); g.addChild(cube); m_BoundsSwitch.addChild(g); m_BoundsSwitch.setWhichChild(Switch.CHILD_NONE); m_TransformGroup.addChild(m_BoundsSwitch); nodeParentGroup.addChild(m_TransformGroup); }
From source file:MixedTest.java
public TransformGroup[] getViewTransformGroupArray() { TransformGroup[] tgArray = new TransformGroup[1]; tgArray[0] = new TransformGroup(); // move the camera BACK a little... // note that we have to invert the matrix as // we are moving the viewer Transform3D t3d = new Transform3D(); t3d.setScale(getScale());// ww w . ja v a2 s .com t3d.setTranslation(new Vector3d(0.0, 0.0, -20.0)); t3d.invert(); tgArray[0].setTransform(t3d); return tgArray; }
From source file:PlatformTest.java
ViewerAvatar createViewerAvatar(String szText, Color3f objColor) {
ViewerAvatar viewerAvatar = new ViewerAvatar();
// rotate the Cone so that it is lying down and
// points sharp-end towards the Viewer's field of view.
TransformGroup tg = new TransformGroup();
Transform3D t3d = new Transform3D();
t3d.setEuler(new Vector3d(Math.PI / 2.0, Math.PI, 0));
tg.setTransform(t3d);// w w w . j a v a 2 s .c o m
// create appearance and material for the Cone
Appearance app = new Appearance();
Color3f black = new Color3f(0.4f, 0.2f, 0.1f);
app.setMaterial(new Material(objColor, black, objColor, black, 90.0f));
// create the Primitive and add to the parent BranchGroup
tg.addChild(new Cone(1, 3, Primitive.GENERATE_NORMALS, app));
viewerAvatar.addChild(tg);
return viewerAvatar;
}
From source file:HiResCoordTest.java
private TransformGroup createSun() { TransformGroup objTrans = new TransformGroup(); Appearance app = new Appearance(); ColoringAttributes ca = new ColoringAttributes(); ca.setColor(new Color3f(1, 1, 0)); app.setColoringAttributes(ca);/*ww w.j a v a 2s . co m*/ objTrans.addChild(createLabel("Sun", m_SunRadius * 1.1f, m_SunRadius * 1.1f, 0)); objTrans.addChild(new Sphere(m_SunRadius, app)); return objTrans; }
From source file:Demo3D.java
/** * Create the ViewBranch//from w ww. j a va 2s. co m * * @return javax.media.j3d.BranchGroup vbBrGr - the root of the ViewBranch */ public BranchGroup myViewBranch() { // Create the minimal PhysicalBody and PhysicalEnvironnement // instances with default parameters. body = new PhysicalBody(); environment = new PhysicalEnvironment(); // Create a View instance and attach the Canvas3D, the PhysicalBody // and the PhysicalEnvironment to it. view = new View(); view.setFrontClipDistance(0.02); // Default value is 0.1 m view.setBackClipDistance(40.0); // Default value is 10 m // Rem.: BackClipDistance / FrontClipDistance = 2000 > 1000 but < 3000 view.addCanvas3D(canvas3D); view.setPhysicalBody(body); view.setPhysicalEnvironment(environment); /* * // Choices of the projection type. They are 2 possibilities, namely: // * PERSPECTIVE_PROJECTION and PARALLEL_PROJECTION. // Note: the default * value is PERSPECTIVE_PROJECTION * view.setProjectionPolicy(View.PARALLEL_PROJECTION); */ // Create a ViewPlatform instance and bind it with the View instance. viewPlat = new ViewPlatform(); viewPlat.setActivationRadius(40.0f); // Default value is 62 m view.attachViewPlatform(viewPlat); // Create the action volume for the camera's navigation. cameraBounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); // Create the two necessary TransformGroups for the ViewPlatform's // motion (6 translations and 4 rotations). vpTrGrKeys_Rot_Up_Down = new TransformGroup(); vpTrGrKeys_Transl_Turn = new TransformGroup(); // With the ALLOW_TRANSFORM_READ and ALLOW_TRANSFORM_WRITE // capabilities, we allow the modification of the TransformGroup's // code by the Behavior's code at run time. vpTrGrKeys_Transl_Turn.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); vpTrGrKeys_Transl_Turn.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); vpTrGrKeys_Rot_Up_Down.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); vpTrGrKeys_Rot_Up_Down.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); // Attach the ViewPlatform to the vpTrGrKeys_Rot_Up_Down node. vpTrGrKeys_Rot_Up_Down.addChild(viewPlat); // Create and attach an aimer to the TransformGroup node // vpTrGrKeys_Rot_Up_Down. aimer = new Aimer(1.5f); vpTrGrKeys_Rot_Up_Down.addChild(aimer.myAimer()); // View-platform's motion ==> camera's navigation: 6 translations and 4 // rotations. // Create and attach the camera's rotation on the vpTrGrKeys_Rot_Up_Down // node. camera_Rot_Up_Down = new Camera_Rot_Up_Down(vpTrGrKeys_Rot_Up_Down); camera_Rot_Up_Down.setSchedulingBounds(cameraBounds); vpTrGrKeys_Rot_Up_Down.addChild(camera_Rot_Up_Down); // Create and attach the camera's translation and rotation instances // on the vpTrGrKeys_Transl_Turn node. camera_Transl_Turn = new Camera_Transl_Turn(vpTrGrKeys_Transl_Turn); camera_Transl_Turn.setSchedulingBounds(cameraBounds); vpTrGrKeys_Transl_Turn.addChild(camera_Transl_Turn); // Attach the vpTrGrKeys_Rot_Up_Down node to the vpTrGrKeys_Transl_Turn // node. vpTrGrKeys_Transl_Turn.addChild(vpTrGrKeys_Rot_Up_Down); // Give the starting position of the ViewPlatform. trStart = new Transform3D(); // Identity matrix trStart.set(new Vector3f(0.0f, 0.0f, 10.0f)); // Translation of the // camera (0,0,10) // Create the TransformGroup node for the ViewPlatform's // starting position. vpTrGrStart = new TransformGroup(trStart); // Attach the vpTrGrKeys_Transl_Turn node to the TransformGroup // node vpTrGrStart. vpTrGrStart.addChild(vpTrGrKeys_Transl_Turn); // Add the TransformGroup node vpTrGrStart to the view // BranchGroup node vbBrGr. vbBrGr = new BranchGroup(); vbBrGr.addChild(vpTrGrStart); // Compile the ViewBranch to optimize the performances. vbBrGr.compile(); // Return the final version of the view branch BranchGroup node vbBrGr. return vbBrGr; }
From source file:Human1.java
BranchGroup createSceneGraph() {
// Create the root of the branch graph
BranchGroup objRoot = new BranchGroup();
// Create a TransformGroup to scale the scene down by 3.5x
// TODO: move view platform instead of scene using orbit behavior
TransformGroup objScale = new TransformGroup();
Transform3D scaleTrans = new Transform3D();
scaleTrans.set(1 / 3.5f); // scale down by 3.5x
objScale.setTransform(scaleTrans);/* w w w. ja v a 2 s. c om*/
objRoot.addChild(objScale);
// Create a TransformGroup and initialize it to the
// identity. Enable the TRANSFORM_WRITE capability so that
// the mouse behaviors code can modify it at runtime. Add it to the
// root of the subgraph.
TransformGroup objTrans = new TransformGroup();
objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
objScale.addChild(objTrans);
// Add the primitives to the scene
createHuman(); // the human
objTrans.addChild(Human_body);
BoundingSphere bounds = new BoundingSphere(new Point3d(), 100.0);
Background bg = new Background(new Color3f(1.0f, 1.0f, 1.0f));
bg.setApplicationBounds(bounds);
objTrans.addChild(bg);
// set up the mouse rotation behavior
MouseRotate mr = new MouseRotate();
mr.setTransformGroup(objTrans);
mr.setSchedulingBounds(bounds);
mr.setFactor(0.007);
objTrans.addChild(mr);
// 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, 1.0f);
Vector3f light1Direction = new Vector3f(0.0f, -0.2f, -1.0f);
DirectionalLight light1 = new DirectionalLight(light1Color, light1Direction);
light1.setInfluencingBounds(bounds);
objRoot.addChild(light1);
return objRoot;
}
From source file:HiResCoordTest.java
protected BranchGroup createSceneBranchGroupEarth() { BranchGroup objRoot = super.createSceneBranchGroup(); TransformGroup objTrans = new TransformGroup(); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); Transform3D yAxis = new Transform3D(); yAxis.rotZ(0.2);// w w w.j a v a 2 s . c om Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0); RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objTrans, yAxis, 0.0f, (float) Math.PI * 2.0f); BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), m_TranslateSunZ); rotator.setSchedulingBounds(bounds); objTrans.addChild(rotator); Transform3D t3d = new Transform3D(); t3d.setScale(m_EarthRadius); objTrans.addChild(createPlanet("Earth", new Color3f(0, 0.1f, 1), t3d, "earth.jpg")); objRoot.addChild(objTrans); return objRoot; }
From source file:GeomInfoApp.java
public BranchGroup createSceneGraph(boolean wireFrame) { int total = 0; System.out.println("\n --- geometry debug information --- \n"); float[] coordinateData = null; coordinateData = createCoordinateData(); int[] stripCount = { 17, 17, 5, 5, 5, 5, 5, 5, 5 }; // ****** // int[] stripCount = {17,17,17}; // ****** for (int i = 0; i < stripCount.length; i++) { System.out.println("stripCount[" + i + "] = " + stripCount[i]); total += stripCount[i];/*from w w w .j a v a 2 s . co m*/ } if (total != coordinateData.length / 3) { System.out.println(" coordinateData vertex count: " + coordinateData.length / 3); System.out.println("stripCount total vertex count: " + total); } GeometryInfo gi = new GeometryInfo(GeometryInfo.POLYGON_ARRAY); gi.setCoordinates(coordinateData); gi.setStripCounts(stripCount); Triangulator tr = new Triangulator(); // Triangulator tr = new Triangulator(1); System.out.println("begin triangulation"); tr.triangulate(gi); System.out.println(" END triangulation"); gi.recomputeIndices(); NormalGenerator ng = new NormalGenerator(); ng.generateNormals(gi); gi.recomputeIndices(); Stripifier st = new Stripifier(); st.stripify(gi); gi.recomputeIndices(); Shape3D part = new Shape3D(); if (wireFrame == true) part.setAppearance(createWireFrameAppearance()); else part.setAppearance(createMaterialAppearance()); part.setGeometry(gi.getGeometryArray()); ///////////////////////////// BranchGroup contentRoot = new BranchGroup(); // Create the transform group node and initialize it to the // identity. Add it to the root of the subgraph. TransformGroup objSpin = new TransformGroup(); objSpin.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); contentRoot.addChild(objSpin); objSpin.addChild(part); //////////////////////// LineStripArray lineArray = new LineStripArray(69, LineArray.COORDINATES, stripCount); //***** // LineStripArray lineArray = new LineStripArray(51, // LineArray.COORDINATES, stripCount); //***** lineArray.setCoordinates(0, coordinateData); Appearance blueColorAppearance = new Appearance(); ColoringAttributes blueColoring = new ColoringAttributes(); blueColoring.setColor(0.0f, 0.0f, 1.0f); blueColorAppearance.setColoringAttributes(blueColoring); LineAttributes lineAttrib = new LineAttributes(); lineAttrib.setLineWidth(2.0f); blueColorAppearance.setLineAttributes(lineAttrib); objSpin.addChild(new Shape3D(lineArray, blueColorAppearance)); Alpha rotationAlpha = new Alpha(-1, 16000); RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objSpin); // a bounding sphere specifies a region a behavior is active // create a sphere centered at the origin with radius of 1 BoundingSphere bounds = new BoundingSphere(); rotator.setSchedulingBounds(bounds); objSpin.addChild(rotator); DirectionalLight lightD = new DirectionalLight(); lightD.setDirection(new Vector3f(0.0f, -0.7f, -0.7f)); lightD.setInfluencingBounds(bounds); contentRoot.addChild(lightD); AmbientLight lightA = new AmbientLight(); lightA.setInfluencingBounds(bounds); contentRoot.addChild(lightA); Background background = new Background(); background.setColor(1.0f, 1.0f, 1.0f); background.setApplicationBounds(bounds); contentRoot.addChild(background); // Let Java 3D perform optimizations on this scene graph. // contentRoot.compile(); return contentRoot; }