List of usage examples for javax.media.j3d Switch addChild
public void addChild(Node child)
From source file:SimpleLOD.java
/** * Build the content branch for the scene graph This creates three * cylinders, each with a different resolution. These are then used with a * LOD node to implement a crude level of detail. * /*from www . j a va 2s .c o m*/ * @return BranchGroup that is the root of the content */ protected BranchGroup buildContentBranch() { //Create the appearance Appearance app = new Appearance(); Color3f ambientColour = new Color3f(1.0f, 1.0f, 0.0f); Color3f emissiveColour = new Color3f(0.0f, 0.0f, 0.0f); Color3f specularColour = new Color3f(1.0f, 1.0f, 1.0f); Color3f diffuseColour = new Color3f(1.0f, 1.0f, 0.0f); float shininess = 20.0f; app.setMaterial(new Material(ambientColour, emissiveColour, diffuseColour, specularColour, shininess)); //Make the switch node that is to used with the LOD //and make it writable Switch LODswitch = new Switch(); LODswitch.setCapability(Switch.ALLOW_SWITCH_WRITE); //Add the three cylinders LODswitch.addChild(new Cylinder(1.0f, 1.0f, Cylinder.GENERATE_NORMALS, 10, 10, app)); LODswitch.addChild(new Cylinder(1.0f, 1.0f, Cylinder.GENERATE_NORMALS, 5, 5, app)); LODswitch.addChild(new Cylinder(1.0f, 1.0f, Cylinder.GENERATE_NORMALS, 3, 3, app)); //Define the distances for the LOD float[] LODdistances = { 5.0f, 10.0f, 15.0f }; DistanceLOD myLOD = new DistanceLOD(LODdistances, new Point3f(0.0f, 0.0f, 0.0f)); myLOD.setSchedulingBounds(bounds); //Add the switch to the LOD myLOD.addSwitch(LODswitch); BranchGroup contentBranch = new BranchGroup(); contentBranch.addChild(myLOD); addLights(contentBranch); contentBranch.addChild(LODswitch); return contentBranch; }
From source file:LOD.java
public BranchGroup createSceneGraph() { // Create the root of the branch graph BranchGroup objRoot = new BranchGroup(); createLights(objRoot);//from w w w . j a va 2 s. co m // Create the transform group node and initialize it to the // identity. Enable the TRANSFORM_WRITE capability so that // our behavior 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); objRoot.addChild(objTrans); // Create a switch to hold the different levels of detail Switch sw = new Switch(0); sw.setCapability(javax.media.j3d.Switch.ALLOW_SWITCH_READ); sw.setCapability(javax.media.j3d.Switch.ALLOW_SWITCH_WRITE); // Create several levels for the switch, with less detailed // spheres for the ones which will be used when the sphere is // further away sw.addChild(new Sphere(0.4f, Sphere.GENERATE_NORMALS, 40)); sw.addChild(new Sphere(0.4f, Sphere.GENERATE_NORMALS, 20)); sw.addChild(new Sphere(0.4f, Sphere.GENERATE_NORMALS, 10)); sw.addChild(new Sphere(0.4f, Sphere.GENERATE_NORMALS, 3)); // Add the switch to the main group objTrans.addChild(sw); BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); // set up the DistanceLOD behavior float[] distances = new float[3]; distances[0] = 5.0f; distances[1] = 10.0f; distances[2] = 25.0f; DistanceLOD lod = new DistanceLOD(distances); lod.addSwitch(sw); lod.setSchedulingBounds(bounds); objTrans.addChild(lod); // Have Java 3D perform optimizations on this scene graph. objRoot.compile(); 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;/*from w ww. j a v a 2s.c om*/ 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:PointTest.java
protected BranchGroup createSceneBranchGroup() { BranchGroup objRoot = super.createSceneBranchGroup(); TransformGroup objTrans = new TransformGroup(); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); Transform3D yAxis = new Transform3D(); Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 14000, 0, 0, 0, 0, 0); RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objTrans, yAxis, 0.0f, (float) Math.PI * 2.0f); rotator.setSchedulingBounds(getApplicationBounds()); objTrans.addChild(rotator);// w ww . j a v a2s . co m Switch switchGroup = new Switch(); switchGroup.setCapability(Switch.ALLOW_SWITCH_WRITE); switchGroup.addChild(createPoints(1, 5, false)); switchGroup.addChild(createPoints(1, 5, true)); switchGroup.addChild(createPoints(8, 10, false)); switchGroup.addChild(createPoints(8, 10, true)); switchGroup.addChild(createPoints(2, 5, false)); switchGroup.addChild(createPoints(2, 5, true)); switchGroup.addChild(createPoints(2, 20, false)); switchGroup.addChild(createPoints(2, 20, true)); // create a SwitchValueInterpolator to // cycle through the child nodes in the Switch Node Alpha switchAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 15000, 0, 0, 0, 0, 0); SwitchValueInterpolator switchInterpolator = new SwitchValueInterpolator(switchAlpha, switchGroup); switchInterpolator.setSchedulingBounds(getApplicationBounds()); switchInterpolator.setEnable(true); // WARNING: do not add the SwitchValueInterpolator to the Switch Node! objRoot.addChild(switchInterpolator); objTrans.addChild(switchGroup); objRoot.addChild(objTrans); return objRoot; }
From source file:NodesTest.java
protected BranchGroup createSceneBranchGroup() { BranchGroup objRoot = super.createSceneBranchGroup(); double labelScale = 20; // create the top level Switch Node // we will use the Switch Node to switch the // other Nodes on and off. // 1: Switch//from ww w . j a v a 2 s . c o m Switch switchGroup = new Switch(); switchGroup.setCapability(Switch.ALLOW_SWITCH_WRITE); switchGroup.addChild(createLabel("1. Switch Label", labelScale)); // 2: BranchGroup BranchGroup branchGroup = new BranchGroup(); branchGroup.addChild(createLabel("2. BranchGroup", labelScale)); switchGroup.addChild(branchGroup); // 3: OrderedGroup, OrderedGroup orderedGroup = new OrderedGroup(); orderedGroup.addChild(createLabel("3. OrderedGroup", labelScale)); orderedGroup.addChild(createLabel("Child 1", labelScale)); orderedGroup.addChild(createLabel("Child 2", labelScale)); switchGroup.addChild(orderedGroup); // 4: SharedGroup, SharedGroup sharedGroup1 = new SharedGroup(); sharedGroup1.addChild(createLabel("4. Shared Group 1", labelScale)); switchGroup.addChild(new Link(sharedGroup1)); // 5: Primitive, BranchGroup primitiveGroup = new BranchGroup(); primitiveGroup.addChild(createLabel("5. Primitive", labelScale)); primitiveGroup.addChild(new Sphere(2)); switchGroup.addChild(primitiveGroup); // 6: TransformGroup TransformGroup transformGroup = new TransformGroup(); transformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); transformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); Transform3D yAxis = new Transform3D(); Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0); RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, transformGroup, yAxis, 0.0f, (float) Math.PI * 2.0f); rotator.setSchedulingBounds(createApplicationBounds()); transformGroup.addChild(rotator); transformGroup.addChild(new ColorCube(2)); transformGroup.addChild(createLabel("6. TransformGroup", labelScale)); switchGroup.addChild(transformGroup); // 7: add another copy of the shared group switchGroup.addChild(new Link(sharedGroup1)); // create a SwitchValueInterpolator to // cycle through the child nodes in the Switch Node Alpha switchAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 10000, 0, 0, 0, 0, 0); SwitchValueInterpolator switchInterpolator = new SwitchValueInterpolator(switchAlpha, switchGroup); switchInterpolator.setSchedulingBounds(createApplicationBounds()); switchInterpolator.setEnable(true); // WARNING: do not add the SwitchValueInterpolator to the Switch Node! objRoot.addChild(switchInterpolator); // finally add the Switch Node objRoot.addChild(switchGroup); return objRoot; }
From source file:InterpolatorTest.java
protected BranchGroup createSceneBranchGroup() { BranchGroup objRoot = super.createSceneBranchGroup(); // create a root TG in case we need to scale the scene TransformGroup objTrans = new TransformGroup(); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); // create the Appearance for the Shape3D Appearance app = new Appearance(); // create a Material, modified by the ColorInterpolator Color3f objColor = new Color3f(1.0f, 0.7f, 0.8f); Color3f black = new Color3f(0.0f, 0.0f, 0.0f); Material mat = new Material(objColor, black, objColor, black, 80.0f); mat.setCapability(Material.ALLOW_COMPONENT_WRITE); app.setMaterial(mat);/*from w ww . jav a2s . co m*/ // create a TransparencyAttributes, modified by the // TransparencyInterpolator TransparencyAttributes transparency = new TransparencyAttributes(); transparency.setCapability(TransparencyAttributes.ALLOW_VALUE_WRITE); transparency.setTransparencyMode(TransparencyAttributes.NICEST); app.setTransparencyAttributes(transparency); // create a Switch Node and set capabilities Switch switchNode = new Switch(); switchNode.setCapability(Switch.ALLOW_SWITCH_WRITE); // create a Alpha object for the Interpolators Alpha alpha = new Alpha(-1, Alpha.INCREASING_ENABLE | Alpha.DECREASING_ENABLE, 500, 100, 5000, 2000, 1000, 5000, 2000, 500); // add each BG and Interpolator as a child of the Switch Node TransformGroup tg = createSharedGroup(app); switchNode.addChild(createBranchGroup(tg, new ColorInterpolator(alpha, app.getMaterial()))); tg = createSharedGroup(app); switchNode.addChild(createBranchGroup(tg, new PositionInterpolator(alpha, tg))); tg = createSharedGroup(app); switchNode.addChild(createBranchGroup(tg, new RotationInterpolator(alpha, tg))); tg = createSharedGroup(app); switchNode.addChild(createBranchGroup(tg, new ScaleInterpolator(alpha, tg))); tg = createSharedGroup(app); switchNode.addChild(createBranchGroup(tg, new TransparencyInterpolator(alpha, app.getTransparencyAttributes(), 0, 0.8f))); // define the data for the RotPosScalePathInterpolator float[] knots = { 0.0f, 0.1f, 0.2f, 0.3f, 0.4f, 0.6f, 0.8f, 0.9f, 1.0f }; float[] scales = { 0.2f, 0.5f, 0.8f, 2.3f, 5.4f, 0.6f, 0.4f, 0.2f, 0.1f }; Quat4f[] quats = new Quat4f[9]; Point3f[] positions = new Point3f[9]; quats[0] = new Quat4f(0.3f, 1.0f, 1.0f, 0.0f); quats[1] = new Quat4f(1.0f, 0.0f, 0.0f, 0.3f); quats[2] = new Quat4f(0.2f, 1.0f, 0.0f, 0.0f); quats[3] = new Quat4f(0.0f, 0.2f, 1.0f, 0.0f); quats[4] = new Quat4f(1.0f, 0.0f, 0.4f, 0.0f); quats[5] = new Quat4f(0.0f, 1.0f, 1.0f, 0.2f); quats[6] = new Quat4f(0.3f, 0.3f, 0.0f, 0.0f); quats[7] = new Quat4f(1.0f, 0.0f, 1.0f, 1.0f); quats[8] = quats[0]; positions[0] = new Point3f(0.0f, 0.0f, -1.0f); positions[1] = new Point3f(1.0f, -2.0f, -2.0f); positions[2] = new Point3f(-2.0f, 2.0f, -3.0f); positions[3] = new Point3f(1.0f, 1.0f, -4.0f); positions[4] = new Point3f(-4.0f, -2.0f, -5.0f); positions[5] = new Point3f(2.0f, 0.3f, -6.0f); positions[6] = new Point3f(-4.0f, 0.5f, -7.0f); positions[7] = new Point3f(0.0f, -1.5f, -4.0f); positions[8] = positions[0]; tg = createSharedGroup(app); // create the Interpolator RotPosScalePathInterpolator rotPosScalePathInterplator = new RotPosScalePathInterpolator(alpha, tg, new Transform3D(), knots, quats, positions, scales); // add a BG for the Interpolator switchNode.addChild(createBranchGroup(tg, rotPosScalePathInterplator)); // create a RandomAlpha object to control a SwitchInterpolator // to set the Switches active child node randomly RandomAlpha randomAlpha = new RandomAlpha(); // create the interpolator SwitchValueInterpolator switchInterpolator = new SwitchValueInterpolator(randomAlpha, switchNode); switchInterpolator.setSchedulingBounds(getApplicationBounds()); // connect the scenegraph objTrans.addChild(switchNode); objTrans.addChild(switchInterpolator); // 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(getApplicationBounds()); DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1); lgt1.setInfluencingBounds(getApplicationBounds()); // add the lights objRoot.addChild(aLgt); objRoot.addChild(lgt1); // connect objRoot.addChild(objTrans); return objRoot; }