List of usage examples for javax.media.j3d Alpha Alpha
public Alpha(int loopCount, int mode, long triggerTime, long phaseDelayDuration, long increasingAlphaDuration, long increasingAlphaRampDuration, long alphaAtOneDuration, long decreasingAlphaDuration, long decreasingAlphaRampDuration, long alphaAtZeroDuration)
From source file:SplineAnim.java
private void setupAnimationData() { yAxis = new Transform3D(); animAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, duration, 0, 0, 0, 0, 0); }
From source file:ExSound.java
private Group buildTumblingBox(float width, float height, float depth, Appearance app, int xDur, int yDur, int zDur) { BoundingSphere worldBounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), // Center 1000.0); // Extent // Build a box to tumble Shape3D box = buildBox(width, height, depth, app); // Build a set of nested transform groups. Attach // to each one a behavior that rotates around an X, // Y, or Z axis. Use different rotation speeds for // each axis to create a tumbling effect. TransformGroup outerGroup = new TransformGroup(); outerGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); Transform3D yAxis = new Transform3D(); Alpha alpha = new Alpha(-1, // loop count: -1 = forever Alpha.INCREASING_ENABLE, // increasing 0, // trigger time: 0 = now 0, // delay: 0 = none xDur, // increasing duration 0, // increasing ramp duration 0, // at one (sustain) duration 0, // decreasing duration 0, // decreasing ramp duration 0); // at zero duration RotationInterpolator rot = new RotationInterpolator(alpha, // Alpha // control outerGroup, // Target transform group yAxis, // Y axis rotation 0.0f, // Minimum angle 2.0f * (float) Math.PI);// Maximum angle rot.setSchedulingBounds(worldBounds); outerGroup.addChild(rot);// w w w .j ava 2s.c o m TransformGroup middleGroup = new TransformGroup(); middleGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); Transform3D xAxis = new Transform3D(); xAxis.rotZ(-1.571f); alpha = new Alpha(-1, // loop count: -1 = forever Alpha.INCREASING_ENABLE, // increasing 0, // trigger time: 0 = now 0, // delay: 0 = none yDur, // increasing duration 0, // increasing ramp duration 0, // at one (sustain) duration 0, // decreasing duration 0, // decreasing ramp duration 0); // at zero duration rot = new RotationInterpolator(alpha, // Alpha control middleGroup, // Target transform group xAxis, // Y axis rotation 0.0f, // Minimum angle 2.0f * (float) Math.PI);// Maximum angle rot.setSchedulingBounds(worldBounds); middleGroup.addChild(rot); outerGroup.addChild(middleGroup); TransformGroup innerGroup = new TransformGroup(); innerGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); Transform3D zAxis = new Transform3D(); zAxis.rotX(1.571f); alpha = new Alpha(-1, // loop count: -1 = forever Alpha.INCREASING_ENABLE, // increasing 0, // trigger time: 0 = now 0, // delay: 0 = none zDur, // increasing duration 0, // increasing ramp duration 0, // at one (sustain) duration 0, // decreasing duration 0, // decreasing ramp duration 0); // at zero duration rot = new RotationInterpolator(alpha, // Alpha control innerGroup, // Target transform group zAxis, // Y axis rotation 0.0f, // Minimum angle 2.0f * (float) Math.PI);// Maximum angle rot.setSchedulingBounds(worldBounds); innerGroup.addChild(rot); middleGroup.addChild(innerGroup); innerGroup.addChild(box); return outerGroup; }
From source file:Demo3D.java
/** * Create the subgraph #2// w w w.jav a 2 s. c o m * * @return javax.media.j3d.BranchGroup brGr2 - the root of the subgraph #2 */ public BranchGroup mySubGraph2() { // Create the BranchGroup node brGr2 of the second subgraph. brGr2 = new BranchGroup(); // A BoundingSphere instance as general bounding region. boundsGen = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); // Create a Transform3D instance rot1 to perform the necessary // "static rotation" for the desired cube's position. rot1 = new Transform3D(); // Rotation of Pi/2 - arctan(1/sqrt(2)) = 0.955 rad about the // (1,0,-1)-axis passing through the origin. axe_rot = new AxisAngle4f(1.0f, 0.0f, -1.0f, 0.955f); rot1.setRotation(axe_rot); // Create the first TransformGroup node trGr2_1 and attach the // "static rotation" rot1 instance to it. trGr2_1 = new TransformGroup(rot1); // Create and attach a coordinate system to the TransformGroup node // trGr2_1 of the subgraph #2, that is to the cube. 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 0.4f); // Lenght of the 3 axes trGr2_1.addChild(coordSyst); // Create the ColorCube (Shape3D) and attach it to the // TransformGroup node trGr2_1 of the subgraph #2. colorCube = new ColorCube(0.5f); trGr2_1.addChild(colorCube); // Create the second TransformGroup node trGr2_2. trGr2_2 = 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. trGr2_2.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); // Attach the first node trGr2_1 to the second node trGr2_2. trGr2_2.addChild(trGr2_1); // Prepare the RotationInterpolator (Behavior) for the // cube's rotation about the y-axis. trans1 = new Transform3D(); // Create the alpha(t) function. rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 10000, 0, 0, 0, 0, 0); // Create the cube's rotation about the y-axis. rotator = new RotationInterpolator(rotationAlpha, trGr2_2, trans1, 0.0f, (float) Math.PI * 2.0f); rotator.setSchedulingBounds(boundsGen); trGr2_2.addChild(rotator); brGr2.addChild(trGr2_2); // Compile the subgraph to optimize the performances. brGr2.compile(); // Return the final version of the BranchGroup node brGr2 return brGr2; }
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);/*from w ww .j a v a2 s. 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; }
From source file:Demo3D.java
/** * Create the subgraph #32/*from ww w .j ava 2 s. co m*/ * * @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:SplineInterpolatorTest.java
protected Group createGeometryGroup(Appearance app, Vector3d position, Vector3d scale, String szTextureFile, String szSoundFile) {/* ww w . ja v a 2 s . c om*/ TransformGroup tg = new TransformGroup(); // we need to flip the helicopter model // 90 degrees about the X axis Transform3D t3d = new Transform3D(); t3d.rotX(Math.toRadians(-90)); tg.setTransform(t3d); try { tg.addChild(loadGeometryGroup("heli.obj", app)); // create an Alpha object for the Interpolator Alpha alpha = new Alpha(-1, Alpha.INCREASING_ENABLE | Alpha.DECREASING_ENABLE, (long) Utils.getRandomNumber(0, 500), (long) Utils.getRandomNumber(0, 500), (long) Utils.getRandomNumber(20000, 5000), 4000, 100, (long) Utils.getRandomNumber(20000, 5000), 5000, 50); attachSplinePathInterpolator(alpha, new Transform3D(), new URL(((Java3dApplet) m_Component).getWorkingDirectory(), "heli_spline.xls")); } catch (Exception e) { System.err.println(e.toString()); } return tg; }
From source file:Demo3D.java
/** * Constructor that allows to specify the reference of the SceneBuilder32's * instance./*from ww w .jav a 2 s . c om*/ * * @param sceneBuilder32 - * the SceneBuilder32 instance */ public SwitchBehavior(SceneBuilder32 sceneBuilder32) { super(); // Create the alpha(t) function to automaticaly switch between the // five different earth's representations. switchAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE | Alpha.DECREASING_ENABLE, 0, 0, 10000, 0, 0, 10000, 0, 0); // Get the SceneBuilder32 reference this.sceneBuilder32 = sceneBuilder32; }