List of usage examples for javax.media.j3d BranchGroup addChild
public void addChild(Node child)
From source file:SimpleCollision.java
/** * Creates the content branch of the scene graph. * /*ww w . ja v a 2s . co m*/ * @return BranchGroup with content attached. */ protected BranchGroup buildContentBranch() { //First create a different appearance for each cube Appearance app1 = new Appearance(); Appearance app2 = new Appearance(); Appearance app3 = new Appearance(); Color3f ambientColour1 = new Color3f(1.0f, 0.0f, 0.0f); Color3f ambientColour2 = new Color3f(1.0f, 1.0f, 0.0f); Color3f ambientColour3 = new Color3f(1.0f, 1.0f, 1.0f); Color3f emissiveColour = new Color3f(0.0f, 0.0f, 0.0f); Color3f specularColour = new Color3f(1.0f, 1.0f, 1.0f); Color3f diffuseColour1 = new Color3f(1.0f, 0.0f, 0.0f); Color3f diffuseColour2 = new Color3f(1.0f, 1.0f, 0.0f); Color3f diffuseColour3 = new Color3f(1.0f, 1.0f, 1.0f); float shininess = 20.0f; app1.setMaterial(new Material(ambientColour1, emissiveColour, diffuseColour1, specularColour, shininess)); app2.setMaterial(new Material(ambientColour2, emissiveColour, diffuseColour2, specularColour, shininess)); app3.setMaterial(new Material(ambientColour3, emissiveColour, diffuseColour3, specularColour, shininess)); //Create the vertex data for the cube. Since each shape is //a cube we can use the same vertex data for each cube IndexedQuadArray indexedCube = new IndexedQuadArray(8, IndexedQuadArray.COORDINATES | IndexedQuadArray.NORMALS, 24); Point3f[] cubeCoordinates = { new Point3f(1.0f, 1.0f, 1.0f), new Point3f(-1.0f, 1.0f, 1.0f), new Point3f(-1.0f, -1.0f, 1.0f), new Point3f(1.0f, -1.0f, 1.0f), new Point3f(1.0f, 1.0f, -1.0f), new Point3f(-1.0f, 1.0f, -1.0f), new Point3f(-1.0f, -1.0f, -1.0f), new Point3f(1.0f, -1.0f, -1.0f) }; Vector3f[] cubeNormals = { new Vector3f(0.0f, 0.0f, 1.0f), new Vector3f(0.0f, 0.0f, -1.0f), new Vector3f(1.0f, 0.0f, 0.0f), new Vector3f(-1.0f, 0.0f, 0.0f), new Vector3f(0.0f, 1.0f, 0.0f), new Vector3f(0.0f, -1.0f, 0.0f) }; int cubeCoordIndices[] = { 0, 1, 2, 3, 7, 6, 5, 4, 0, 3, 7, 4, 5, 6, 2, 1, 0, 4, 5, 1, 6, 7, 3, 2 }; int cubeNormalIndices[] = { 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5 }; indexedCube.setCoordinates(0, cubeCoordinates); indexedCube.setNormals(0, cubeNormals); indexedCube.setCoordinateIndices(0, cubeCoordIndices); indexedCube.setNormalIndices(0, cubeNormalIndices); //Create the three cubes leftCube = new Shape3D(indexedCube, app1); rightCube = new Shape3D(indexedCube, app2); moveCube = new Shape3D(indexedCube, app3); //Define the user data so that we can print out the //name of the colliding cube. leftCube.setUserData(new String("left cube")); rightCube.setUserData(new String("right cube")); //Create the content branch and add the lights BranchGroup contentBranch = new BranchGroup(); addLights(contentBranch); //Create and set up the movable cube's TransformGroup. //This scales and translates the cube and then sets the // read, write and pick reporting capabilities. Transform3D moveXfm = new Transform3D(); moveXfm.set(0.7, new Vector3d(0.0, 2.0, 1.0)); moveGroup = new TransformGroup(moveXfm); moveGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); moveGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); moveGroup.setCapability(TransformGroup.ENABLE_PICK_REPORTING); //Create the left cube's TransformGroup Transform3D leftGroupXfm = new Transform3D(); leftGroupXfm.set(new Vector3d(-1.5, 0.0, 0.0)); leftGroup = new TransformGroup(leftGroupXfm); //Create the right cube's TransformGroup Transform3D rightGroupXfm = new Transform3D(); rightGroupXfm.set(new Vector3d(1.5, 0.0, 0.0)); rightGroup = new TransformGroup(rightGroupXfm); //Add the behaviour to allow us to move the cube PickTranslateBehavior pickTranslate = new PickTranslateBehavior(contentBranch, myCanvas3D, bounds); contentBranch.addChild(pickTranslate); //Add our CollisionDetector class to detect collisions with //the movable cube. CollisionDetector myColDet = new CollisionDetector(moveCube, bounds); contentBranch.addChild(myColDet); //Create the content branch hierarchy. contentBranch.addChild(moveGroup); contentBranch.addChild(leftGroup); contentBranch.addChild(rightGroup); moveGroup.addChild(moveCube); leftGroup.addChild(leftCube); rightGroup.addChild(rightCube); return contentBranch; }
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);/*from w w w .java 2 s. c o m*/ 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:SimpleGame.java
/** * This builds the gun geometry. It uses box and cylinder primitives and * sets up a transform group so that we can rotate the gun. *///from ww w.j a v a 2 s . c om protected BranchGroup buildGun() { BranchGroup theGun = new BranchGroup(); Appearance gunApp = new Appearance(); Color3f ambientColour = new Color3f(0.5f, 0.5f, 0.5f); Color3f emissiveColour = new Color3f(0.0f, 0.0f, 0.0f); Color3f specularColour = new Color3f(1.0f, 1.0f, 1.0f); Color3f diffuseColour = new Color3f(0.5f, 0.5f, 0.5f); float shininess = 20.0f; gunApp.setMaterial(new Material(ambientColour, emissiveColour, diffuseColour, specularColour, shininess)); TransformGroup init = new TransformGroup(); TransformGroup barrel = new TransformGroup(); Transform3D gunXfm = new Transform3D(); Transform3D barrelXfm = new Transform3D(); barrelXfm.set(new Vector3d(0.0, -2.0, 0.0)); barrel.setTransform(barrelXfm); Matrix3d gunXfmMat = new Matrix3d(); gunXfmMat.rotX(Math.PI / 2); gunXfm.set(gunXfmMat, new Vector3d(0.0, 0.0, 0.0), 1.0); init.setTransform(gunXfm); gunXfmGrp.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); gunXfmGrp.addChild(new Box(1.0f, 1.0f, 0.5f, gunApp)); barrel.addChild(new Cylinder(0.3f, 4.0f, gunApp)); gunXfmGrp.addChild(barrel); theGun.addChild(init); init.addChild(gunXfmGrp); return theGun; }
From source file:ViewProj.java
public void init() { setLayout(new BorderLayout()); nf = NumberFormat.getInstance(); nf.setMaximumFractionDigits(3);//from ww w . java2 s . co m GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration(); JPanel canvasPanel = new JPanel(); GridBagLayout gridbag = new GridBagLayout(); canvasPanel.setLayout(gridbag); canvas = new Canvas3D(config); canvas.setSize(400, 400); GridBagConstraints constraints = new GridBagConstraints(); constraints.gridx = 0; constraints.gridy = 0; constraints.gridwidth = 2; constraints.gridheight = 2; constraints.insets = new Insets(5, 5, 5, 5); constraints.fill = GridBagConstraints.BOTH; gridbag.setConstraints(canvas, constraints); canvasPanel.add(canvas); constraints.fill = GridBagConstraints.REMAINDER; constraints.gridwidth = 1; constraints.gridheight = 1; constraints.gridx = 2; constraints.gridy = 0; urCanvas = new Canvas3D(config); urCanvas.setSize(200, 200); gridbag.setConstraints(urCanvas, constraints); canvasPanel.add(urCanvas); constraints.gridx = 2; constraints.gridy = 1; lrCanvas = new Canvas3D(config); lrCanvas.setSize(200, 200); gridbag.setConstraints(lrCanvas, constraints); canvasPanel.add(lrCanvas); add(canvasPanel, BorderLayout.NORTH); SimpleUniverse u = new SimpleUniverse(canvas); urUniverse = new SimpleUniverse(urCanvas); lrUniverse = new SimpleUniverse(lrCanvas); if (isApplication) { offScreenCanvas = new OffScreenCanvas3D(config, true); // set the size of the off-screen canvas based on a scale // of the on-screen size Screen3D sOn = canvas.getScreen3D(); Screen3D sOff = offScreenCanvas.getScreen3D(); Dimension dim = sOn.getSize(); dim.width *= offScreenScale; dim.height *= offScreenScale; sOff.setSize(dim); sOff.setPhysicalScreenWidth(sOn.getPhysicalScreenWidth() * offScreenScale); sOff.setPhysicalScreenHeight(sOn.getPhysicalScreenHeight() * offScreenScale); // attach the offscreen canvas to the view u.getViewer().getView().addCanvas3D(offScreenCanvas); urOffScreenCanvas = new OffScreenCanvas3D(config, true); // set the size of the off-screen canvas based on a scale // of the on-screen size sOn = urCanvas.getScreen3D(); sOff = urOffScreenCanvas.getScreen3D(); dim = sOn.getSize(); dim.width *= urOffScreenScale; dim.height *= urOffScreenScale; sOff.setSize(dim); sOff.setPhysicalScreenWidth(sOn.getPhysicalScreenWidth() * urOffScreenScale); sOff.setPhysicalScreenHeight(sOn.getPhysicalScreenHeight() * urOffScreenScale); // attach the offscreen canvas to the view urUniverse.getViewer().getView().addCanvas3D(urOffScreenCanvas); lrOffScreenCanvas = new OffScreenCanvas3D(config, true); // set the size of the off-screen canvas based on a scale // of the on-screen size sOn = lrCanvas.getScreen3D(); sOff = lrOffScreenCanvas.getScreen3D(); dim = sOn.getSize(); dim.width *= lrOffScreenScale; dim.height *= lrOffScreenScale; sOff.setSize(dim); sOff.setPhysicalScreenWidth(sOn.getPhysicalScreenWidth() * lrOffScreenScale); sOff.setPhysicalScreenHeight(sOn.getPhysicalScreenHeight() * lrOffScreenScale); // attach the offscreen canvas to the view lrUniverse.getViewer().getView().addCanvas3D(lrOffScreenCanvas); } // Create a simple scene and attach it to the virtual universe BranchGroup scene = createSceneGraph(); // This will move the ViewPlatform back a bit so the // objects in the scene can be viewed. viewingPlatform = u.getViewingPlatform(); viewingPlatform.setNominalViewingTransform(); view = u.getViewer().getView(); view.setFrontClipPolicy(View.VIRTUAL_EYE); view.setBackClipPolicy(View.VIRTUAL_EYE); view.setFrontClipDistance(frontClipDist); view.setBackClipDistance(backClipDist); u.addBranchGraph(scene); // init the clipGridPts arrays for (int i = 0; i < maxClipGridPts; i++) { clipGridPtsVW[i] = new Point3f(); clipGridPtsProj[i] = new Point3f(); } // init the circlePts arrays for (int i = 0; i < numCirclePts; i++) { circlePtsVW[i] = new Point3f(); circlePtsProj[i] = new Point3f(); } // setup the ur canvas urScene = createVWorldViewSG(); // This will move the ViewPlatform back a bit so the // objects in the scene can be viewed. urUniverse.getViewingPlatform().setNominalViewingTransform(); View urView = urUniverse.getViewer().getView(); urView.setProjectionPolicy(View.PARALLEL_PROJECTION); urUniverse.addBranchGraph(urScene); // set up the background on a separate BG so that it can stay there // when we replace the scene SG Background urBgWhite = new Background(white); urBgWhite.setApplicationBounds(infiniteBounds); BranchGroup urBackBG = new BranchGroup(); urBackBG.addChild(urBgWhite); urUniverse.addBranchGraph(urBackBG); // setup the lr canvas lrScene = createProjViewSG(); // This will move the ViewPlatform back a bit so the // objects in the scene can be viewed. lrUniverse.getViewingPlatform().setNominalViewingTransform(); View lrView = lrUniverse.getViewer().getView(); lrView.setProjectionPolicy(View.PARALLEL_PROJECTION); lrUniverse.addBranchGraph(lrScene); // set up the background on a separate BG so that it can stay there // when we replace the scene SG Background lrBgWhite = new Background(white); lrBgWhite.setApplicationBounds(infiniteBounds); BranchGroup lrBackBG = new BranchGroup(); lrBackBG.addChild(lrBgWhite); lrUniverse.addBranchGraph(lrBackBG); // set up the sliders JPanel guiPanel = new JPanel(); guiPanel.setLayout(new GridLayout(0, 2)); FloatLabelJSlider dynamicSlider = new FloatLabelJSlider("Dynamic Offset", 0.1f, 0.0f, 2.0f, dynamicOffset); dynamicSlider.addFloatListener(new FloatListener() { public void floatChanged(FloatEvent e) { dynamicOffset = e.getValue(); solidPa.setPolygonOffsetFactor(dynamicOffset); } }); guiPanel.add(dynamicSlider); LogFloatLabelJSlider staticSlider = new LogFloatLabelJSlider("Static Offset", 0.1f, 10000.0f, staticOffset); staticSlider.addFloatListener(new FloatListener() { public void floatChanged(FloatEvent e) { staticOffset = e.getValue(); solidPa.setPolygonOffset(staticOffset); } }); guiPanel.add(staticSlider); // These are declared final here so they can be changed by the // listener routines below. LogFloatLabelJSlider frontClipSlider = new LogFloatLabelJSlider("Front Clip Distance", 0.001f, 10.0f, frontClipDist); final LogFloatLabelJSlider backClipSlider = new LogFloatLabelJSlider("Back Clip Distance", 1.0f, 10000.0f, backClipDist); final LogFloatLabelJSlider backClipRatioSlider = new LogFloatLabelJSlider("Back Clip Ratio", 1.0f, 10000.0f, backClipRatio); frontClipSlider.addFloatListener(new FloatListener() { public void floatChanged(FloatEvent e) { frontClipDist = e.getValue(); view.setFrontClipDistance(frontClipDist); backClipRatio = backClipDist / frontClipDist; backClipRatioSlider.setValue(backClipRatio); updateViewWindows(); } }); guiPanel.add(frontClipSlider); backClipSlider.addFloatListener(new FloatListener() { public void floatChanged(FloatEvent e) { backClipDist = e.getValue(); backClipRatio = backClipDist / frontClipDist; backClipRatioSlider.setValue(backClipRatio); view.setBackClipDistance(backClipDist); updateViewWindows(); } }); guiPanel.add(backClipSlider); backClipRatioSlider.addFloatListener(new FloatListener() { public void floatChanged(FloatEvent e) { backClipRatio = e.getValue(); backClipDist = backClipRatio * frontClipDist; backClipSlider.setValue(backClipDist); updateViewWindows(); } }); guiPanel.add(backClipRatioSlider); FloatLabelJSlider innerSphereSlider = new FloatLabelJSlider("Inner Sphere Scale", 0.001f, 0.90f, 1.0f, innerScale); innerSphereSlider.addFloatListener(new FloatListener() { public void floatChanged(FloatEvent e) { innerScale = e.getValue(); updateInnerScale(); } }); guiPanel.add(innerSphereSlider); JButton mainSnap = new JButton(snapImageString); mainSnap.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Point loc = canvas.getLocationOnScreen(); offScreenCanvas.setOffScreenLocation(loc); Dimension dim = canvas.getSize(); dim.width *= offScreenScale; dim.height *= offScreenScale; nf.setMinimumIntegerDigits(3); offScreenCanvas.snapImageFile(outFileBase + nf.format(outFileSeq++), dim.width, dim.height); nf.setMinimumIntegerDigits(0); } }); guiPanel.add(mainSnap); JButton urSnap = new JButton(urSnapImageString); urSnap.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { System.out.println("Snap UR"); Point loc = urCanvas.getLocationOnScreen(); urOffScreenCanvas.setOffScreenLocation(loc); Dimension dim = urCanvas.getSize(); dim.width *= urOffScreenScale; dim.height *= urOffScreenScale; nf.setMinimumIntegerDigits(3); urOffScreenCanvas.snapImageFile(urOutFileBase + nf.format(urOutFileSeq++), dim.width, dim.height); nf.setMinimumIntegerDigits(0); } }); guiPanel.add(urSnap); JButton lrSnap = new JButton(lrSnapImageString); lrSnap.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { System.out.println("Snap LR"); Point loc = lrCanvas.getLocationOnScreen(); lrOffScreenCanvas.setOffScreenLocation(loc); Dimension dim = lrCanvas.getSize(); dim.width *= lrOffScreenScale; dim.height *= lrOffScreenScale; nf.setMinimumIntegerDigits(3); lrOffScreenCanvas.snapImageFile(lrOutFileBase + nf.format(lrOutFileSeq++), dim.width, dim.height); nf.setMinimumIntegerDigits(0); } }); guiPanel.add(lrSnap); add(guiPanel, BorderLayout.SOUTH); }
From source file:CustomAlphaTest.java
protected BranchGroup createSceneBranchGroup() { BranchGroup objRoot = super.createSceneBranchGroup(); TransformGroup objTrans = new TransformGroup(); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); ColorCube cube = new ColorCube(2); objTrans.addChild(cube);/* w w w .ja v a2 s . c o m*/ FileAlpha fileAlpha = null; try { fileAlpha = new FileAlpha(new URL(getWorkingDirectory(), "values.xls"), this); } catch (Exception e) { e.toString(); } PositionInterpolator posInterpolator = new PositionInterpolator(fileAlpha, objTrans, new Transform3D(), -6, 6); posInterpolator.setSchedulingBounds(getApplicationBounds()); objTrans.addChild(posInterpolator); objRoot.addChild(objTrans); return objRoot; }
From source file:Viewer3D.java
public void init() { if (filename == null) { // the path to the file for an applet try {//from w w w .j a va 2 s. c om java.net.URL path = getCodeBase(); filename = new java.net.URL(path.toString() + "./ballcone.lws"); } catch (java.net.MalformedURLException ex) { System.err.println(ex.getMessage()); ex.printStackTrace(); System.exit(1); } } // Construct the Lw3d loader and load the file Loader lw3dLoader = new Lw3dLoader(Loader.LOAD_ALL); Scene loaderScene = null; try { loaderScene = lw3dLoader.load(filename); } catch (Exception e) { e.printStackTrace(); System.exit(1); } // Construct the applet canvas setLayout(new BorderLayout()); GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration(); Canvas3D c = new Canvas3D(config); add("Center", c); // Create a basic universe setup and the root of our scene u = new SimpleUniverse(c); BranchGroup sceneRoot = new BranchGroup(); // Change the back clip distance; the default is small for // some lw3d worlds View theView = u.getViewer().getView(); theView.setBackClipDistance(50000f); // Now add the scene graph defined in the lw3d file if (loaderScene.getSceneGroup() != null) { // Instead of using the default view location (which may be // completely bogus for the particular file you're loading), // let's use the initial view from the file. We can get // this by getting the view groups from the scene (there's // only one for Lightwave 3D), then using the inverse of the // transform on that view as the transform for the entire scene. // First, get the view groups (shouldn't be null unless there // was something wrong in the load TransformGroup viewGroups[] = loaderScene.getViewGroups(); // Get the Transform3D from the view and invert it Transform3D t = new Transform3D(); viewGroups[0].getTransform(t); Matrix4d m = new Matrix4d(); t.get(m); m.invert(); t.set(m); // Now we've got the transform we want. Create an // appropriate TransformGroup and parent the scene to it. // Then insert the new group into the main BranchGroup. TransformGroup sceneTransform = new TransformGroup(t); sceneTransform.addChild(loaderScene.getSceneGroup()); sceneRoot.addChild(sceneTransform); } // Make the scene graph live by inserting the root into the universe u.addBranchGraph(sceneRoot); }
From source file:ViewProj.java
public BranchGroup createProjViewSG() { // 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(); Transform3D scale = new Transform3D(); scale.set(0.9);/*ww w.j av a2s .c o m*/ objTrans.setTransform(scale); objRoot.addChild(objTrans); // create the clip limits line Point3f[] cpPoints = new Point3f[5]; cpPoints[0] = new Point3f(-1, -1, 0.1f); cpPoints[1] = new Point3f(1, -1, 0.1f); cpPoints[2] = new Point3f(1, 1, 0.1f); cpPoints[3] = new Point3f(-1, 1, 0.1f); cpPoints[4] = cpPoints[0]; 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); LineAttributes cpLa = new LineAttributes(); Shape3D cpShape = new Shape3D(cpLines, cpApp); objTrans.addChild(cpShape); // transform and render the clip grid points updateProjTrans(); if (numClipGridPts > 0) { // transform the clipGridPts for (int i = 0; i < numClipGridPts; i++) { projectPoint(clipGridPtsVW[i], clipGridPtsProj[i]); } LineArray clipLn = new LineArray(numClipGridPts, LineArray.COORDINATES); clipLn.setCoordinates(0, clipGridPtsProj, 0, numClipGridPts); Appearance clipGridApp = new Appearance(); ColoringAttributes clipCa = new ColoringAttributes(black, ColoringAttributes.SHADE_FLAT); clipGridApp.setColoringAttributes(clipCa); LineAttributes clipLa = new LineAttributes(); Shape3D clipShape = new Shape3D(clipLn, clipGridApp); objTrans.addChild(clipShape); } // 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); // transform the circlePts for (int i = 0; i < numCirclePts; i++) { projectPoint(circlePtsVW[i], circlePtsProj[i]); } 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, circlePtsProj); Shape3D circleShape = new Shape3D(circleLineStrip, circleApp); objTrans.addChild(circleShape); return objRoot; }
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); // 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);//from ww w . j a va2 s .com 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:SwitchTest.java
protected BranchGroup createSceneBranchGroup() { BranchGroup objRoot = super.createSceneBranchGroup(); double labelScale = 20; // flip this boolean to either display all // the child nodes or to just display the 3, 6 and 7th. final boolean bDisplayAll = false; // create the Switch Node int nMode = Switch.CHILD_ALL; if (bDisplayAll == false) nMode = Switch.CHILD_MASK;//w w w . j ava2s . co m Switch switchGroup = new Switch(nMode); switchGroup.setCapability(Switch.ALLOW_SWITCH_WRITE); switchGroup.addChild(createLabel("Child Node 1", labelScale)); switchGroup.addChild(createLabel("Child Node 2", labelScale)); switchGroup.addChild(createLabel("Child Node 3", labelScale)); switchGroup.addChild(createLabel("Child Node 4", labelScale)); switchGroup.addChild(createLabel("Child Node 5", labelScale)); switchGroup.addChild(createLabel("Child Node 6", labelScale)); switchGroup.addChild(createLabel("Child Node 7", labelScale)); if (bDisplayAll == false) { java.util.BitSet visibleNodes = new java.util.BitSet(switchGroup.numChildren()); // make the third, sixth and seventh nodes visible visibleNodes.set(2); visibleNodes.set(5); visibleNodes.set(6); switchGroup.setChildMask(visibleNodes); } // finally add the Switch Node objRoot.addChild(switchGroup); 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);// w w w . ja v a2 s . c o 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;
}