List of usage examples for javax.media.j3d BranchGroup compile
public void compile()
From source file:SphereMotion.java
public BranchGroup createSceneGraph(SimpleUniverse u) { Color3f eColor = new Color3f(0.0f, 0.0f, 0.0f); Color3f sColor = new Color3f(1.0f, 1.0f, 1.0f); Color3f objColor = new Color3f(0.6f, 0.6f, 0.6f); Color3f lColor1 = new Color3f(1.0f, 0.0f, 0.0f); Color3f lColor2 = new Color3f(0.0f, 1.0f, 0.0f); Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f); Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f); Transform3D t;//from w ww . j a v a 2s . co m // Create the root of the branch graph BranchGroup objRoot = new BranchGroup(); // Create a Transformgroup to scale all objects so they // appear in the scene. TransformGroup objScale = new TransformGroup(); Transform3D t3d = new Transform3D(); t3d.setScale(0.4); objScale.setTransform(t3d); objRoot.addChild(objScale); // Create a bounds for the background and lights BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); // Set up the background Background bg = new Background(bgColor); bg.setApplicationBounds(bounds); objScale.addChild(bg); // Create a Sphere object, generate one copy of the sphere, // and add it into the scene graph. Material m = new Material(objColor, eColor, objColor, sColor, 100.0f); Appearance a = new Appearance(); m.setLightingEnable(true); a.setMaterial(m); Sphere sph = new Sphere(1.0f, Sphere.GENERATE_NORMALS, 80, a); objScale.addChild(sph); // Create the transform group node for the each light and initialize // it to the identity. Enable the TRANSFORM_WRITE capability so that // our behavior code can modify it at runtime. Add them to the root // of the subgraph. TransformGroup l1RotTrans = new TransformGroup(); l1RotTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objScale.addChild(l1RotTrans); TransformGroup l2RotTrans = new TransformGroup(); l2RotTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objScale.addChild(l2RotTrans); // Create transformations for the positional lights t = new Transform3D(); Vector3d lPos1 = new Vector3d(0.0, 0.0, 2.0); t.set(lPos1); TransformGroup l1Trans = new TransformGroup(t); l1RotTrans.addChild(l1Trans); t = new Transform3D(); Vector3d lPos2 = new Vector3d(0.5, 0.8, 2.0); t.set(lPos2); TransformGroup l2Trans = new TransformGroup(t); l2RotTrans.addChild(l2Trans); // Create Geometry for point lights ColoringAttributes caL1 = new ColoringAttributes(); ColoringAttributes caL2 = new ColoringAttributes(); caL1.setColor(lColor1); caL2.setColor(lColor2); Appearance appL1 = new Appearance(); Appearance appL2 = new Appearance(); appL1.setColoringAttributes(caL1); appL2.setColoringAttributes(caL2); l1Trans.addChild(new Sphere(0.05f, appL1)); l2Trans.addChild(new Sphere(0.05f, appL2)); // Create lights AmbientLight aLgt = new AmbientLight(alColor); Light lgt1 = null; Light lgt2 = null; Point3f lPoint = new Point3f(0.0f, 0.0f, 0.0f); Point3f atten = new Point3f(1.0f, 0.0f, 0.0f); Vector3f lDirect1 = new Vector3f(lPos1); Vector3f lDirect2 = new Vector3f(lPos2); lDirect1.negate(); lDirect2.negate(); switch (lightType) { case DIRECTIONAL_LIGHT: lgt1 = new DirectionalLight(lColor1, lDirect1); lgt2 = new DirectionalLight(lColor2, lDirect2); break; case POINT_LIGHT: lgt1 = new PointLight(lColor1, lPoint, atten); lgt2 = new PointLight(lColor2, lPoint, atten); break; case SPOT_LIGHT: lgt1 = new SpotLight(lColor1, lPoint, atten, lDirect1, 25.0f * (float) Math.PI / 180.0f, 10.0f); lgt2 = new SpotLight(lColor2, lPoint, atten, lDirect2, 25.0f * (float) Math.PI / 180.0f, 10.0f); break; } // Set the influencing bounds aLgt.setInfluencingBounds(bounds); lgt1.setInfluencingBounds(bounds); lgt2.setInfluencingBounds(bounds); // Add the lights into the scene graph objScale.addChild(aLgt); l1Trans.addChild(lgt1); l2Trans.addChild(lgt2); // Create a new Behavior object that will perform the desired // operation on the specified transform object and add it into the // scene graph. Transform3D yAxis = new Transform3D(); Alpha rotor1Alpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0); RotationInterpolator rotator1 = new RotationInterpolator(rotor1Alpha, l1RotTrans, yAxis, 0.0f, (float) Math.PI * 2.0f); rotator1.setSchedulingBounds(bounds); l1RotTrans.addChild(rotator1); // Create a new Behavior object that will perform the desired // operation on the specified transform object and add it into the // scene graph. Alpha rotor2Alpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 1000, 0, 0, 0, 0, 0); RotationInterpolator rotator2 = new RotationInterpolator(rotor2Alpha, l2RotTrans, yAxis, 0.0f, 0.0f); bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); rotator2.setSchedulingBounds(bounds); l2RotTrans.addChild(rotator2); // Create a position interpolator and attach it to the view // platform TransformGroup vpTrans = u.getViewingPlatform().getViewPlatformTransform(); Transform3D axisOfTranslation = new Transform3D(); Alpha transAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE | Alpha.DECREASING_ENABLE, 0, 0, 5000, 0, 0, 5000, 0, 0); axisOfTranslation.rotY(-Math.PI / 2.0); PositionInterpolator translator = new PositionInterpolator(transAlpha, vpTrans, axisOfTranslation, 2.0f, 3.5f); translator.setSchedulingBounds(bounds); objScale.addChild(translator); // Let Java 3D perform optimizations on this scene graph. objRoot.compile(); return objRoot; }
From source file:GearTest.java
public BranchGroup createGearBox(int toothCount) { Transform3D tempTransform = new Transform3D(); // Create the root of the branch graph BranchGroup branchRoot = createBranchEnvironment(); // Create a Transformgroup to scale all objects so they // appear in the scene. TransformGroup objScale = new TransformGroup(); Transform3D t3d = new Transform3D(); t3d.setScale(0.4);//ww w .ja v a2s. c o m objScale.setTransform(t3d); branchRoot.addChild(objScale); // Create an Appearance. Appearance look = new Appearance(); Color3f objColor = new Color3f(0.5f, 0.5f, 0.6f); Color3f black = new Color3f(0.0f, 0.0f, 0.0f); Color3f white = new Color3f(1.0f, 1.0f, 1.0f); look.setMaterial(new Material(objColor, black, objColor, white, 100.0f)); // 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 gearboxTrans = new TransformGroup(); gearboxTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); gearboxTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); objScale.addChild(gearboxTrans); // Create a bounds for the mouse behavior methods BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); // Define the shaft base information int shaftCount = 4; int secondsPerRevolution = 8000; // Create the Shaft(s) Shaft shafts[] = new Shaft[shaftCount]; TransformGroup shaftTGs[] = new TransformGroup[shaftCount]; Alpha shaftAlphas[] = new Alpha[shaftCount]; RotationInterpolator shaftRotors[] = new RotationInterpolator[shaftCount]; Transform3D shaftAxis[] = new Transform3D[shaftCount]; // Note: the following arrays we're incorporated to make changing // the gearbox easier. float shaftRatios[] = new float[shaftCount]; shaftRatios[0] = 1.0f; shaftRatios[1] = 0.5f; shaftRatios[2] = 0.75f; shaftRatios[3] = 5.0f; float shaftRadius[] = new float[shaftCount]; shaftRadius[0] = 0.2f; shaftRadius[1] = 0.2f; shaftRadius[2] = 0.2f; shaftRadius[3] = 0.2f; float shaftLength[] = new float[shaftCount]; shaftLength[0] = 1.8f; shaftLength[1] = 0.8f; shaftLength[2] = 0.8f; shaftLength[3] = 0.8f; float shaftDirection[] = new float[shaftCount]; shaftDirection[0] = 1.0f; shaftDirection[1] = -1.0f; shaftDirection[2] = 1.0f; shaftDirection[3] = -1.0f; Vector3d shaftPlacement[] = new Vector3d[shaftCount]; shaftPlacement[0] = new Vector3d(-0.75, -0.9, 0.0); shaftPlacement[1] = new Vector3d(0.75, -0.9, 0.0); shaftPlacement[2] = new Vector3d(0.75, 0.35, 0.0); shaftPlacement[3] = new Vector3d(-0.75, 0.60, -0.7); // Create the shafts. for (int i = 0; i < shaftCount; i++) { shafts[i] = new Shaft(shaftRadius[i], shaftLength[i], 25, look); } // Create a transform group node for placing each shaft for (int i = 0; i < shaftCount; i++) { shaftTGs[i] = new TransformGroup(); gearboxTrans.addChild(shaftTGs[i]); shaftTGs[i].getTransform(tempTransform); tempTransform.setTranslation(shaftPlacement[i]); shaftTGs[i].setTransform(tempTransform); shaftTGs[i].addChild(shafts[i]); } // Add rotation interpolators to rotate the shaft in the appropriate // direction and at the appropriate rate for (int i = 0; i < shaftCount; i++) { shaftAlphas[i] = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, (long) (secondsPerRevolution * shaftRatios[i]), 0, 0, 0, 0, 0); shaftAxis[i] = new Transform3D(); shaftAxis[i].rotX(Math.PI / 2.0); shaftRotors[i] = new RotationInterpolator(shaftAlphas[i], shafts[i], shaftAxis[i], 0.0f, shaftDirection[i] * (float) Math.PI * 2.0f); shaftRotors[i].setSchedulingBounds(bounds); shaftTGs[i].addChild(shaftRotors[i]); } // Define the gear base information. Again, these arrays exist to // make the process of changing the GearBox via an editor faster int gearCount = 5; float valleyToCircularPitchRatio = .15f; float pitchCircleRadius = 1.0f; float addendum = 0.05f; float dedendum = 0.05f; float gearThickness = 0.3f; float toothTipThickness = 0.27f; // Create an array of gears and their associated information SpurGear gears[] = new SpurGear[gearCount]; TransformGroup gearTGs[] = new TransformGroup[gearCount]; int gearShaft[] = new int[gearCount]; gearShaft[0] = 0; gearShaft[1] = 1; gearShaft[2] = 2; gearShaft[3] = 0; gearShaft[4] = 3; float ratio[] = new float[gearCount]; ratio[0] = 1.0f; ratio[1] = 0.5f; ratio[2] = 0.75f; ratio[3] = 0.25f; ratio[4] = 1.25f; Vector3d placement[] = new Vector3d[gearCount]; placement[0] = new Vector3d(0.0, 0.0, 0.0); placement[1] = new Vector3d(0.0, 0.0, 0.0); placement[2] = new Vector3d(0.0, 0.0, 0.0); placement[3] = new Vector3d(0.0, 0.0, -0.7); placement[4] = new Vector3d(0.0, 0.0, 0.0); // Create the gears. for (int i = 0; i < gearCount; i++) { gears[i] = new SpurGearThinBody(((int) ((float) toothCount * ratio[i])), pitchCircleRadius * ratio[i], shaftRadius[0], addendum, dedendum, gearThickness, toothTipThickness, valleyToCircularPitchRatio, look); } // Create a transform group node for arranging the gears on a shaft // and attach the gear to its associated shaft for (int i = 0; i < gearCount; i++) { gearTGs[i] = new TransformGroup(); gearTGs[i].getTransform(tempTransform); tempTransform .rotZ((shaftDirection[gearShaft[i]] == -1.0) ? gears[i].getCircularPitchAngle() / -2.0f : 0.0f); tempTransform.setTranslation(placement[i]); gearTGs[i].setTransform(tempTransform); gearTGs[i].addChild(gears[i]); shafts[gearShaft[i]].addChild(gearTGs[i]); } // Have Java 3D perform optimizations on this scene graph. branchRoot.compile(); return branchRoot; }