Example usage for javax.media.j3d Transform3D Transform3D

Introduction

In this page you can find the example usage for javax.media.j3d Transform3D Transform3D.

Prototype

public Transform3D() 

Source Link

Document

Constructs and initializes a transform to the identity matrix.

Usage

From source file:GeometryByReferenceNIOBuffer.java

BranchGroup createSceneGraph() {
    BranchGroup objRoot = new BranchGroup();

    // Set up attributes to render lines
    app = new Appearance();

    transp = new TransparencyAttributes();
    transp.setTransparency(0.5f);//from ww  w .  j a va2s  .  c  o m
    transp.setCapability(TransparencyAttributes.ALLOW_MODE_WRITE);
    transp.setTransparencyMode(TransparencyAttributes.NONE);
    app.setTransparencyAttributes(transp);

    //create the direct nio buffer
    createJ3DBuffers();

    tetraRegular = createGeometry(1);
    tetraStrip = createGeometry(2);
    tetraIndexed = createGeometry(3);
    tetraIndexedStrip = createGeometry(4);

    geoArrays[0] = tetraRegular;
    geoArrays[1] = tetraStrip;
    geoArrays[2] = tetraIndexed;
    geoArrays[3] = tetraIndexedStrip;

    shape = new Shape3D(tetraRegular, app);
    shape.setCapability(Shape3D.ALLOW_GEOMETRY_WRITE);
    shape.setCapability(Shape3D.ALLOW_GEOMETRY_READ);

    Transform3D t = new Transform3D();
    // move the object upwards
    t.set(new Vector3f(0.0f, 0.3f, 0.0f));

    // rotate the shape
    Transform3D temp = new Transform3D();
    temp.rotX(Math.PI / 4.0d);
    t.mul(temp);
    temp.rotY(Math.PI / 4.0d);
    t.mul(temp);

    // Shrink the object
    t.setScale(0.6);

    TransformGroup trans = new TransformGroup(t);
    trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);

    objRoot.addChild(trans);
    trans.addChild(shape);

    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);

    // 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(bounds);
    DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
    lgt1.setInfluencingBounds(bounds);
    objRoot.addChild(aLgt);
    objRoot.addChild(lgt1);

    // Let Java 3D perform optimizations on this scene graph.
    objRoot.compile();

    return objRoot;
}

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From source file:ExPointLight.java

private Group buildArrows() {
    // Create a transform group surrounding the arrows.
    // Enable writing of its transform.
    arrowPositionTransformGroup = new TransformGroup();
    arrowPositionTransformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

    // Create a group of arrows in a fan and add that group
    // to the transform group.
    AnnotationArrowFan af = new AnnotationArrowFan(0.0f, 0.0f, 0.0f, // center
            // position
            2.5f, // arrow length
            0.0f, // start angle
            (float) (Math.PI * 2.0 * 7.0 / 8.0), // end angle
            8); // number of arrows
    arrowPositionTransformGroup.addChild(af);

    // Create a set of Transform3Ds for the different
    // arrow positions.
    arrowPositionTransforms = new Transform3D[positions.length];
    Point3f pos;//www.j a  va  2 s  .com
    Vector3f v = new Vector3f();
    for (int i = 0; i < positions.length; i++) {
        // Create a Transform3D, setting its translation.
        arrowPositionTransforms[i] = new Transform3D();
        pos = (Point3f) positions[i].value;
        v.set(pos);
        arrowPositionTransforms[i].setTranslation(v);
    }

    // Set the initial transform to be the current position
    arrowPositionTransformGroup.setTransform(arrowPositionTransforms[currentPosition]);

    return arrowPositionTransformGroup;
}

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From source file:ScenegraphTest.java

TransformGroup createLimb(double radius, double length) {
    // because the cylinder is centered at 0,0,0
    // we need to shift the cylinder so that the bottom of
    // the cylinder is at 0,0,0 and the top is at 0, length, 0

    TransformGroup tg = new TransformGroup();
    Transform3D t3d = new Transform3D();
    t3d.setTranslation(new Vector3d(0, length / 2, 0));
    tg.setTransform(t3d);//from w  w  w .j  av a 2 s.c  o  m

    Appearance app = new Appearance();
    Color3f black = new Color3f(0.4f, 0.2f, 0.1f);
    Color3f objColor = new Color3f(1, 0.8f, 0.6f);
    app.setMaterial(new Material(objColor, black, objColor, black, 90.0f));

    Cylinder cylinder = new Cylinder((float) radius, (float) length, Primitive.GENERATE_NORMALS, app);

    tg.addChild(cylinder);
    return tg;
}

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From source file:SwingTest.java

/**
 * Get the TransformGroup for the View side of the scenegraph
 *///from ww  w .  j ava  2s .c om
public TransformGroup[] getViewTransformGroupArray() {
    TransformGroup[] tgArray = new TransformGroup[1];
    tgArray[0] = new TransformGroup();

    // move the camera BACK a little...
    // note that we have to invert the matrix as
    // we are moving the viewer
    Transform3D t3d = new Transform3D();
    t3d.setScale(getScale());
    t3d.setTranslation(new Vector3d(0.0, 0.0, -20.0));
    t3d.invert();
    tgArray[0].setTransform(t3d);

    return tgArray;
}

---

From source file:Text2DTest.java

/**
 * Process a keyboard event to move or rotate the viewer.
 *///from  w w  w . j  av a2s .  c  om
void processManualEvent(AWTEvent[] events) {

    for (int i = 0; i < events.length; ++i) {
        if (events[i] instanceof KeyEvent) {
            KeyEvent event = (KeyEvent) events[i];
            if (event.getKeyCode() == KeyEvent.VK_EQUALS) {
                continue;
            }
            Transform3D t = new Transform3D();
            viewTransformGroup.getTransform(t);
            Vector3f viewDir = new Vector3f(0f, 0f, -1f);
            Vector3f translation = new Vector3f();
            t.get(translation);
            t.transform(viewDir);
            if (event.getKeyCode() == KeyEvent.VK_UP) {
                translation.x += viewDir.x;
                translation.y += viewDir.y;
                translation.z += viewDir.z;
            } else if (event.getKeyCode() == KeyEvent.VK_DOWN) {
                translation.x -= viewDir.x;
                translation.y -= viewDir.y;
                translation.z -= viewDir.z;
            } else if (event.getKeyCode() == KeyEvent.VK_RIGHT) {
                rotation += -.1;
            } else if (event.getKeyCode() == KeyEvent.VK_LEFT) {
                rotation += .1;
            }
            t.rotY(rotation);
            t.setTranslation(translation);
            viewTransformGroup.setTransform(t);
        }
    }
}

---

From source file:AppearanceTest.java

private Group createObject(Appearance app, double scale, double xpos, double ypos) {

    // Create a transform group node to scale and position the object.
    Transform3D t = new Transform3D();
    t.set(scale, new Vector3d(xpos, ypos, 0.0));
    TransformGroup objTrans = new TransformGroup(t);

    // Create a second transform group node and initialize it to the
    // identity.  Enable the TRANSFORM_WRITE capability so that
    // our behavior code can modify it at runtime.
    TransformGroup spinTg = new TransformGroup();
    spinTg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

    // Create a simple shape leaf node and set the appearance
    Shape3D shape = new Tetrahedron();
    shape.setAppearance(app);/*  ww  w. j  a v  a2 s.  co m*/

    // add it to the scene graph.
    spinTg.addChild(shape);

    // 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 rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 5000, 0, 0, 0, 0, 0);

    RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, spinTg, yAxis, 0.0f,
            (float) Math.PI * 2.0f);

    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);

    rotator.setSchedulingBounds(bounds);

    // Add the behavior and the transform group to the object
    objTrans.addChild(rotator);
    objTrans.addChild(spinTg);

    return objTrans;
}

---

From source file:J3dSwingFrame.java

public Camera() {
    hud_group = new Group();
    hud_group.setCapability(Group.ALLOW_CHILDREN_EXTEND);

    platform = new ViewPlatform();
    location = new Transform3D();

    root_tx_grp = new TransformGroup();
    root_tx_grp.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    root_tx_grp.setTransform(location);//from  w  w w  . java  2  s  .c o  m
    root_tx_grp.addChild(platform);
    root_tx_grp.addChild(hud_group);

    // now create the headlight
    headlight = new DirectionalLight();
    headlight.setCapability(Light.ALLOW_STATE_WRITE);
    headlight.setColor(White);
    headlight.setInfluencingBounds(LIGHT_BOUNDS);
    root_tx_grp.addChild(headlight);

    body = new PhysicalBody();
    env = new PhysicalEnvironment();

    view = new View();
    view.setBackClipDistance(BACK_CLIP_DISTANCE);
    view.setPhysicalBody(body);
    view.setPhysicalEnvironment(env);
    view.attachViewPlatform(platform);
}

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From source file:MouseNavigateTest.java

protected BranchGroup createSceneBranchGroup() {
    BranchGroup objRoot = super.createSceneBranchGroup();

    // note that we are creating a TG *above* the TG
    // the is being controlled by the mouse behaviors.
    // The SUN mouse translate behavior would fail in this
    // instance as all movement would be in the X-Y plane
    // irrespective of any TG above the object.
    // The TornadoMouseTranslate behavior always moves an object
    // parrallel to the image plane
    TransformGroup objTrans1 = new TransformGroup();
    Transform3D t3d = new Transform3D();
    objTrans1.getTransform(t3d);/*from   w w  w .j a va  2s  .com*/
    t3d.setEuler(new Vector3d(0.9, 0.8, 0.3));
    objTrans1.setTransform(t3d);

    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);

    // create the mouse scale behavior and set limits
    TornadoMouseScale mouseScale = new TornadoMouseScale(5, 0.1f);
    mouseScale.setMinScale(new Point3d(0.5, 0.5, 0.5));
    mouseScale.setMaxScale(new Point3d(2, 2, 2));
    mouseScale.setObject(objTrans);
    mouseScale.setChangeListener(this);
    mouseScale.setSchedulingBounds(getApplicationBounds());
    objTrans.addChild(mouseScale);

    // create the mouse rotate behavior
    TornadoMouseRotate mouseRotate = new TornadoMouseRotate(0.001, 0.001);
    mouseRotate.setInvert(true);
    mouseRotate.setObject(objTrans);
    mouseRotate.setChangeListener(this);
    mouseRotate.setSchedulingBounds(getApplicationBounds());
    objTrans.addChild(mouseRotate);

    // create the mouse translate behavior and set limits
    TornadoMouseTranslate mouseTrans = new TornadoMouseTranslate(0.005f);
    mouseTrans.setObject(objTrans);
    mouseTrans.setChangeListener(this);
    mouseTrans.setMinTranslate(new Point3d(-4, -4, -4));
    mouseTrans.setMaxTranslate(new Point3d(4, 4, 4));
    mouseTrans.setSchedulingBounds(getApplicationBounds());
    objTrans.addChild(mouseTrans);

    objTrans.addChild(new ColorCube(0.5));

    // create some axis for the world to show it has been rotated
    ColorCube axis = new ColorCube(5.0);
    Appearance app = new Appearance();
    app.setPolygonAttributes(
            new PolygonAttributes(PolygonAttributes.POLYGON_LINE, PolygonAttributes.CULL_NONE, 0));
    axis.setAppearance(app);
    objTrans1.addChild(axis);

    objTrans1.addChild(objTrans);
    objRoot.addChild(objTrans1);

    return objRoot;
}

---

From source file:InterleavedTest.java

BranchGroup createSceneGraph() {
    BranchGroup objRoot = new BranchGroup();

    // Set up attributes to render lines
    app = new Appearance();
    app.setCapability(Appearance.ALLOW_TEXTURE_UNIT_STATE_WRITE);

    transp = new TransparencyAttributes();
    transp.setTransparency(0.5f);/* w  ww.ja v  a 2s . com*/
    transp.setCapability(TransparencyAttributes.ALLOW_MODE_WRITE);
    transp.setTransparencyMode(TransparencyAttributes.NONE);
    app.setTransparencyAttributes(transp);

    // load textures
    TextureAttributes texAttr1 = new TextureAttributes();
    texAttr1.setTextureMode(TextureAttributes.DECAL);
    TextureAttributes texAttr2 = new TextureAttributes();
    texAttr2.setTextureMode(TextureAttributes.MODULATE);

    TextureLoader tex = new TextureLoader(texImage1, new String("RGB"), this);
    if (tex == null)
        return null;
    tex1 = tex.getTexture();

    tex = new TextureLoader(texImage2, new String("RGB"), this);
    if (tex == null)
        return null;
    tex2 = tex.getTexture();

    textureUnitState[0] = new TextureUnitState(tex1, texAttr1, null);
    textureUnitState[1] = new TextureUnitState(tex2, texAttr2, null);

    tetraRegular = createGeometry(1);
    tetraStrip = createGeometry(2);
    tetraIndexed = createGeometry(3);
    tetraIndexedStrip = createGeometry(4);

    geoArrays[0] = tetraRegular;
    geoArrays[1] = tetraStrip;
    geoArrays[2] = tetraIndexed;
    geoArrays[3] = tetraIndexedStrip;

    shape = new Shape3D(tetraRegular, app);
    shape.setCapability(Shape3D.ALLOW_GEOMETRY_WRITE);

    Transform3D t = new Transform3D();
    // move the object upwards
    t.set(new Vector3f(0.0f, 0.3f, 0.0f));

    // rotate the shape
    Transform3D temp = new Transform3D();
    temp.rotX(Math.PI / 4.0d);
    t.mul(temp);
    temp.rotY(Math.PI / 4.0d);
    t.mul(temp);

    // Shrink the object
    t.setScale(0.6);

    TransformGroup trans = new TransformGroup(t);
    trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);

    objRoot.addChild(trans);
    trans.addChild(shape);

    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);

    // 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(bounds);
    DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
    lgt1.setInfluencingBounds(bounds);
    objRoot.addChild(aLgt);
    objRoot.addChild(lgt1);

    // Let Java 3D perform optimizations on this scene graph.
    objRoot.compile();

    return objRoot;
}

---

From source file:ViewProj.java

public BranchGroup createSceneGraph() {
    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();

    // 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);
    objRoot.addChild(objTrans);//from w w  w .  j a  va  2  s  .  c  o m

    // Create a Sphere. We will display this as both wireframe and
    // solid to make a hidden line display
    // wireframe
    Appearance wireApp = new Appearance();
    ColoringAttributes ca = new ColoringAttributes(black, ColoringAttributes.SHADE_FLAT);
    wireApp.setColoringAttributes(ca);
    wirePa = new PolygonAttributes(PolygonAttributes.POLYGON_LINE, PolygonAttributes.CULL_BACK, 0.0f);
    wireApp.setPolygonAttributes(wirePa);
    Sphere outWireSphere = new Sphere(sphereRadius, 0, 10, wireApp);
    objTrans.addChild(outWireSphere);

    // solid
    ColoringAttributes outCa = new ColoringAttributes(red, ColoringAttributes.SHADE_FLAT);
    Appearance outSolid = new Appearance();
    outSolid.setColoringAttributes(outCa);
    solidPa = new PolygonAttributes(PolygonAttributes.POLYGON_FILL, PolygonAttributes.CULL_BACK, 0.0f);
    solidPa.setPolygonOffsetFactor(dynamicOffset);
    solidPa.setPolygonOffset(staticOffset);
    solidPa.setCapability(PolygonAttributes.ALLOW_OFFSET_WRITE);
    outSolid.setPolygonAttributes(solidPa);
    Sphere outSolidSphere = new Sphere(sphereRadius, 0, 10, outSolid);
    objTrans.addChild(outSolidSphere);

    innerTG = new TransformGroup();
    innerTG.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    scale = new Transform3D();
    updateInnerScale();
    objTrans.addChild(innerTG);

    // Create a smaller sphere to go inside. This sphere has a different
    // tesselation and color
    Sphere inWireSphere = new Sphere(sphereRadius, 0, 15, wireApp);
    innerTG.addChild(inWireSphere);

    // inside solid
    ColoringAttributes inCa = new ColoringAttributes(blue, ColoringAttributes.SHADE_FLAT);
    Appearance inSolid = new Appearance();
    inSolid.setColoringAttributes(inCa);
    inSolid.setPolygonAttributes(solidPa);
    Sphere inSolidSphere = new Sphere(sphereRadius, 0, 15, inSolid);
    innerTG.addChild(inSolidSphere);

    // Create a new Behavior object that will perform the desired
    // operation on the specified transform object and add it into
    // the scene graph.
    AxisAngle4f axisAngle = new AxisAngle4f(0.0f, 0.0f, 1.0f, -(float) Math.PI / 2.0f);
    Transform3D yAxis = new Transform3D();
    Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 80000, 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), 100.0);
    rotator.setSchedulingBounds(bounds);
    //objTrans.addChild(rotator);

    Background bgWhite = new Background(white);
    bgWhite.setApplicationBounds(bounds);
    objTrans.addChild(bgWhite);

    // Have Java 3D perform optimizations on this scene graph.
    objRoot.compile();

    return objRoot;
}

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