List of usage examples for javax.media.j3d BranchGroup ALLOW_DETACH
int ALLOW_DETACH
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From source file:ExText.java
public Group buildScene() { // Get the current font attributes Font font = (Font) fonts[currentFont].value; String textString = (String) fonts[currentFont].name; // Turn on the example headlight setHeadlightEnable(true);/*from www .jav a 2s . c o m*/ // Build the scene group scene = new Group(); scene.setCapability(Group.ALLOW_CHILDREN_EXTEND); scene.setCapability(Group.ALLOW_CHILDREN_WRITE); // Build a branch group to hold the text shape // (this allows us to remove the text shape later, // change it, then put it back, all under menu control) textGroup = new BranchGroup(); textGroup.setCapability(BranchGroup.ALLOW_DETACH); scene.addChild(textGroup); // BEGIN EXAMPLE TOPIC // Create a font extrusion with a default extrusion shape extrusion = new FontExtrusion(); // Define a 3D font with a default extrusion path Font3D font3d = new Font3D(font, extrusion); // Build 3D text geometry using the 3D font Text3D tex = new Text3D(); tex.setFont3D(font3d); tex.setString(textString); tex.setAlignment(Text3D.ALIGN_CENTER); // Define a generic shaded appearance Appearance app = new Appearance(); Material mat = new Material(); mat.setLightingEnable(true); app.setMaterial(mat); // Assemble geometry and appearance into a shape // and add it to the scene shape = new Shape3D(tex, app); shape.setCapability(Shape3D.ALLOW_GEOMETRY_WRITE); textGroup.addChild(shape); // END EXAMPLE TOPIC return scene; }
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);/*from ww w .j av a2 s .c o 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:SwingTest.java
/** * Create a BranchGroup that contains a Cube. The user data for the * BranchGroup is set so the BranchGroup can be identified. *//*w w w .j ava 2s . com*/ protected BranchGroup createCube() { BranchGroup bg = new BranchGroup(); bg.setCapability(BranchGroup.ALLOW_DETACH); bg.addChild(new com.sun.j3d.utils.geometry.ColorCube()); bg.setUserData("Cube"); return bg; }
From source file:SwingTest.java
/** * Create a BranchGroup that contains a Sphere. The user data for the * BranchGroup is set so the BranchGroup can be identified. */// w w w .j a va 2 s .com protected BranchGroup createSphere() { BranchGroup bg = new BranchGroup(); bg.setCapability(BranchGroup.ALLOW_DETACH); Appearance app = new Appearance(); Color3f objColor = new Color3f(1.0f, 0.7f, 0.8f); Color3f black = new Color3f(0.0f, 0.0f, 0.0f); app.setMaterial(new Material(objColor, black, objColor, black, 80.0f)); bg.addChild(new com.sun.j3d.utils.geometry.Sphere(1, app)); bg.setUserData("Sphere"); return bg; }
From source file:ffx.potential.MolecularAssembly.java
/** * The MolecularAssembly BranchGroup has two TransformGroups between it and * the "base" node where geometry is attached. If the point between the two * transformations is where user rotation occurs. For example, if rotating * about the center of mass of the system, the RotToCOM transformation will * be an identity transformation (ie. none). If rotation is about some atom * or group of atoms within the system, then the RotToCOM transformation * will be a translation from that point to the COM. * * @param zero boolean/*from w w w . j ava 2s.co m*/ * @return BranchGroup */ public BranchGroup createScene(boolean zero) { originToRotT3D = new Transform3D(); originToRotV3D = new Vector3d(); originToRot = new TransformGroup(originToRotT3D); branchGroup = new BranchGroup(); rotToCOM = new TransformGroup(); rotToCOMT3D = new Transform3D(); rotToCOMV3D = new Vector3d(); // Set capabilities needed for picking and moving the MolecularAssembly branchGroup.setCapability(BranchGroup.ALLOW_DETACH); originToRot.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); originToRot.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); originToRot.setCapability(TransformGroup.ENABLE_PICK_REPORTING); rotToCOM.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); rotToCOM.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); // Put the MolecularAssembly in the middle of the scene if (zero) { originToRotV3D.set(0.0, 0.0, 0.0); originToRotT3D.set(originToRotV3D); originToRot.setTransform(originToRotT3D); } wire = renderWire(); switchGroup = new Switch(Switch.CHILD_NONE); switchGroup.setCapability(Switch.ALLOW_SWITCH_WRITE); base = new BranchGroup(); base.setCapability(BranchGroup.ALLOW_CHILDREN_EXTEND); base.setCapability(BranchGroup.ALLOW_CHILDREN_WRITE); childNodes = new BranchGroup(); childNodes.setCapability(BranchGroup.ALLOW_DETACH); childNodes.setCapability(BranchGroup.ALLOW_CHILDREN_EXTEND); childNodes.setCapability(BranchGroup.ALLOW_CHILDREN_WRITE); switchGroup.addChild(base); if (wire != null) { base.addChild(wire); } vrml = loadVRML(); if (vrml != null) { vrmlTG = new TransformGroup(); vrmlTd = new Transform3D(); vrmlTG.setTransform(vrmlTd); vrmlTG.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); vrmlTG.addChild(vrml); switchGroup.addChild(vrmlTG); setView(RendererCache.ViewModel.INVISIBLE, null); } switchGroup.setWhichChild(Switch.CHILD_ALL); rotToCOM.addChild(switchGroup); originToRot.addChild(rotToCOM); branchGroup.addChild(originToRot); branchGroup.compile(); return branchGroup; }
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);/*from w w w. jav 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:AppearanceExplorer.java
void setupSceneSwitch() { // create a Switch for the scene, allow switch changes sceneSwitch = new Switch(); sceneSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE); sceneSwitch.setCapability(Switch.ALLOW_CHILDREN_READ); sceneSwitch.setCapability(Switch.ALLOW_CHILDREN_WRITE); sceneSwitch.setCapability(Switch.ALLOW_CHILDREN_EXTEND); Shape3D pointArray = createPointArray(); sceneSwitch.addChild(pointArray);/*from w w w. j a v a2 s . c om*/ Shape3D lineArray = createLineArray(); sceneSwitch.addChild(lineArray); Shape3D triangleArray = createTriangleArray(); sceneSwitch.addChild(triangleArray); Shape3D lineStripArray = createLineStripArray(); sceneSwitch.addChild(lineStripArray); Shape3D triangleStripArray = createTriangleStripArray(); sceneSwitch.addChild(triangleStripArray); Shape3D triangleFanArray = createTriangleFanArray(); sceneSwitch.addChild(triangleFanArray); Shape3D texTris = createTexTris(); sceneSwitch.addChild(texTris); Shape3D texSquare = createTexSquare(); sceneSwitch.addChild(texSquare); Shape3D largeTexSquare = createLargeTexSquare(); sceneSwitch.addChild(largeTexSquare); Shape3D colorCube = createColorCube(); sceneSwitch.addChild(colorCube); Shape3D ngCreaseCube = createNGCube(45); sceneSwitch.addChild(ngCreaseCube); Shape3D ngSmoothCube = createNGCube(100); sceneSwitch.addChild(ngSmoothCube); Shape3D triWithHole = createTriWithHole(); sceneSwitch.addChild(triWithHole); // create a sphere with the shared appearance Sphere sphere = new Sphere(1.0f, Sphere.GENERATE_NORMALS | Sphere.GENERATE_TEXTURE_COORDS, appearance); sceneSwitch.addChild(sphere); // create a sphere with the shared appearance Sphere lrSphere = new Sphere(1.0f, Sphere.GENERATE_NORMALS | Sphere.GENERATE_TEXTURE_COORDS, 10, appearance); sceneSwitch.addChild(lrSphere); // create a sphere with the shared appearance Sphere hrSphere = new Sphere(1.0f, Sphere.GENERATE_NORMALS | Sphere.GENERATE_TEXTURE_COORDS, 45, appearance); sceneSwitch.addChild(hrSphere); // Text3D Shape3D text3D = createText3D(); sceneSwitch.addChild(text3D); // galleon -- use a placeholder to indicate it hasn't been loaded yet // then load it the first time it gets asked for //was: //Group galleon = createGalleon(); //sceneSwitch.addChild(galleon); galleonIndex = sceneSwitch.numChildren(); galleonPlaceholder = new BranchGroup(); galleonPlaceholder.setCapability(BranchGroup.ALLOW_DETACH); sceneSwitch.addChild(galleonPlaceholder); // beethoven -- use a placeholder to indicate it hasn't been loaded yet // then load it the first time it gets asked for //was: //Group beethoven = createBeethoven(); //sceneSwitch.addChild(beethoven); beethovenIndex = sceneSwitch.numChildren(); beethovenPlaceholder = new BranchGroup(); beethovenPlaceholder.setCapability(BranchGroup.ALLOW_DETACH); sceneSwitch.addChild(beethovenPlaceholder); }
From source file:Demo3D.java
/** * Create the subgraph #32/*w ww . j a v a 2s . c om*/ * * @return javax.media.j3d.TransformGroup trGr32_3 - the root of the * subgraph #32 */ public BranchGroup mySubGraph32() { // A BoundingSphere instance as general bounding region. boundsGen = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); // Create the first TransformGroup node trGr32_1 to: // 1) attach the Switch node with the five different earth's // representations to the subgraph32 // 2) attach a coordinate system to each earth's representation // 3) rotate each earth about its own y-axis. trGr32_1 = new TransformGroup(); // With the ALLOW_TRANSFORM_WRITE capability, we allow the // modification of the TransformGroup's code by the behavior's // code at run time. trGr32_1.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); // SwitchBehavior is the class which controls the fonctioning of // the switchEarths node. switchBehavior = new SwitchBehavior(this); switchBehavior.setSchedulingBounds(boundsGen); trGr32_1.addChild(switchBehavior); // The Switch which allows the rendering of the five different // earth's representations. switchEarths = new Switch(); // With the ALLOW_TRANSFORM_WRITE, ALLOW_SWITCH_WRITE and // ALLOW_CHILDREN_READ // capabilities we allow to get or set new capabilities. switchEarths.setCapability(Switch.ALLOW_SWITCH_READ); switchEarths.setCapability(Switch.ALLOW_SWITCH_WRITE); switchEarths.setCapability(Switch.ALLOW_CHILDREN_READ); // Attach the different earth's representations to the Switch node. // Increasing earth_Points = new Earth("points", 0.4f); switchEarths.addChild(earth_Points.myEarth()); // # 0 earth_Lines = new Earth("lines", 0.4f); switchEarths.addChild(earth_Lines.myEarth()); // # 1 earth_Polygons = new Earth("polygons", 0.4f); switchEarths.addChild(earth_Polygons.myEarth()); // # 2 earth_Gouraud = new Earth("gouraud", 0.4f); switchEarths.addChild(earth_Gouraud.myEarth()); // # 3 earth_Texture = new Earth("texture", 0.4f); switchEarths.addChild(earth_Texture.myEarth()); // # 4 // Decreasing switchEarths.addChild(earth_Texture.myEarth()); // # 4 switchEarths.addChild(earth_Gouraud.myEarth()); // # 3 switchEarths.addChild(earth_Polygons.myEarth()); // # 2 switchEarths.addChild(earth_Lines.myEarth()); // # 1 switchEarths.addChild(earth_Points.myEarth()); // # 0 // Attach the Switch node with the five different earth's // representations to the TransformGroup node trGr32_1. trGr32_1.addChild(switchEarths); // Create and attach a coordinate system to the TransformGroup node // trGr32_1, that is to each earth's representation. coordSyst = new CoordSyst(1.0f, 1.0f, 0.0f, // Color of the x-axis 0.0f, 0.0f, 1.0f, // Color of the y-axis 1.0f, 0.0f, 0.0f, // Color of the z-axis 0.6f); // Lenght of the 3 axes trGr32_1.addChild(coordSyst); // Create the alpha(t) function for the earth's rotation about // its own y-axis. rotationAlpha_1 = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 10000, 0, 0, 0, 0, 0); // Create the earth's rotation about its own y-axis. rotator_1 = new RotationInterpolator(rotationAlpha_1, trGr32_1, new Transform3D(), 0.0f, (float) Math.PI * 2.0f); rotator_1.setSchedulingBounds(boundsGen); trGr32_1.addChild(rotator_1); // Create a Transform3D instance to execute the desired "static // translation" of the earth, that is the rotation radius around // the sun. transl = new Transform3D(); vectTransl = new Vector3d(2.5, 0.0, 0.0); transl.set(vectTransl); // Create the second TransformGroup node trGr32_2 and attach the // "static translation" transl to it. trGr32_2 = new TransformGroup(transl); // Attach the trGr32_1 node to the trGr32_2 node. trGr32_2.addChild(trGr32_1); // Create the third TransformGroup node trGr32_3 for the earth's // rotation around the sun. trGr32_3 = new TransformGroup(); // With the ALLOW_TRANSFORM_WRITE capability, we allow the // modification of the TransformGroup's code by the behavior's // code at run time. trGr32_3.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); // Attach the trGr32_2 node to the trGr32_3 node. trGr32_3.addChild(trGr32_2); // Create the alpha(t) function for the earth's rotation around the sun. rotationAlpha_2 = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 20000, 0, 0, 0, 0, 0); // To restart correctly the rotation of the earth around the // sun after a detach/add process of the subgraph32 from the // BranchGroup node brGr3. rotationAlpha_2.setStartTime(System.currentTimeMillis()); // Create the earth's rotation around the sun. rotator_2 = new RotationInterpolator(rotationAlpha_2, trGr32_3, new Transform3D(), 0.0f, (float) Math.PI * 2.0f); rotator_2.setSchedulingBounds(boundsGen); trGr32_3.addChild(rotator_2); // To allow the detaching of this subgraph32 from the // BranchGroup node brGr3. brGr32 = new BranchGroup(); brGr32.setCapability(BranchGroup.ALLOW_DETACH); brGr32.addChild(trGr32_3); // Return the final version of the BranchGroup node brGr32. return brGr32; }
From source file:ffx.potential.MolecularAssembly.java
/** * <p>// w w w . j ava 2s.co m * loadVRML</p> * * @return a {@link javax.media.j3d.BranchGroup} object. */ public BranchGroup loadVRML() { try { VrmlLoader loader = new VrmlLoader(); VrmlScene scene = null; if (vrmlFile != null && vrmlFile.exists()) { scene = (VrmlScene) loader.load(vrmlFile.getAbsolutePath()); } else if (vrmlURL != null) { scene = (VrmlScene) loader.load(vrmlURL); } else { return null; } BranchGroup bg = scene.getSceneGroup(); recurseVRML(bg); bg.setCapability(BranchGroup.ALLOW_DETACH); bg.setCapability(BranchGroup.ALLOW_BOUNDS_READ); bg.compile(); return bg; } catch (Exception e) { String message = "Fatal exception loading VRML.\n"; logger.log(Level.SEVERE, message, e); System.exit(-1); return null; } }