Java Code Examples for javax.media.j3d.BranchGroup#addChild()

/**
 * �V�[�����\�z����
 * 
 * @return BG
 */
public BranchGroup createSceneGraph() {
    BranchGroup bg = new BranchGroup();

    // �����ŃV�[�����쐬����

    // ���ˉ��{�[����lj�
    Ball ball = new Ball(0, 0, 0, 0.05, 0.02, -0.03);
    BallBehavior ballBehavior = new BallBehavior(ball, 50);
    bg.addChild(ball);
    bg.addChild(ballBehavior);

    // ����lj�
    bg.addChild(createBox());

    // ������lj�
    bg.addChild(createAmbientLight());
    bg.addChild(createDirectionalLight());

    return bg;
}
 

public Floor() {
    floorBG = new BranchGroup();

    Appearance app = new Appearance();
    
    // ��
    Material mat = new Material();
    mat.setAmbientColor(new Color3f(1.0f, 1.0f, 0.0f));  // ���F
    mat.setSpecularColor(new Color3f(1.0f, 1.0f, 1.0f));
    app.setMaterial(mat);

    // �����쐬
    Box floor = new Box(10.0f, 0.001f, 10.0f, app);

    floorBG.addChild(floor);
}
 

/**
 * �V�[�����\�z����
 * 
 * @return BG
 */
public BranchGroup createSceneGraph() {
    BranchGroup bg = new BranchGroup();

    // �����ŃV�[�����쐬����

    // �{�[����lj�
    Ball ball = new Ball(0, 20.0, 0);
    BallBehavior ballBehavior = new BallBehavior(ball, 20);
    bg.addChild(ball);
    bg.addChild(ballBehavior);

    // ����lj�
    bg.addChild(createFloor());

    // ������lj�
    bg.addChild(createAmbientLight());
    bg.addChild(createDirectionalLight());
    
    return bg;
}
 

/**
 * ���E���\�z
 */
private void createSceneGraph() {
    // sceneBG�ɂ��낢��ڑ����邱�ƂŐ��E���\�������
    sceneBG = new BranchGroup();
    // ���E�͈̔́i�����Ȃǂ̋y�Ԕ͈́j
    bounds = new BoundingSphere(new Point3d(0, 0, 0), BOUND_SIZE);

    lightScene(); // ������sceneBG�ɒlj�
    addBackground(); // ���sceneBG�ɒlj�

    // ���W����lj�
    Axis axis = new Axis();
    sceneBG.addChild(axis.getBG());

    sceneBG.compile();
}
 

public static BranchGroup addElementAt(Node aShape, Vector3f aTranslation, float aScale) {

        BranchGroup theGroup = new BranchGroup();
        theGroup.setCapability(BranchGroup.ALLOW_DETACH);

        Transform3D theTransform = new Transform3D();
        theTransform.setTranslation(aTranslation);
        theTransform.setScale(aScale);
        TransformGroup theTransformGroup = new TransformGroup(theTransform);
        theTransformGroup.addChild(aShape);

        theGroup.addChild(theTransformGroup);

        return theGroup;
    }
 

/**
 * �V�[�����\�z����
 * @return BG
 */
public BranchGroup createSceneGraph() {
    BranchGroup bg = new BranchGroup();

    // ��]�pTG
    TransformGroup spinTG = new TransformGroup();
    spinTG.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

    // ��]�^��
    Alpha rotationAlpha = new Alpha(-1, 4000);
    RotationInterpolator rotator = new RotationInterpolator(rotationAlpha,
            spinTG);

    // �͈͂��w��
    BoundingSphere bounds = new BoundingSphere();
    rotator.setSchedulingBounds(bounds);

    spinTG.addChild(rotator);

    // �g���C�t�H�[�X
    Triforce triforce = new Triforce();
    spinTG.addChild(triforce.getBG()); // spinTG�ɒlj��I

    bg.addChild(spinTG);

    return bg;
}
 

public Axis() {
    axisBG = new BranchGroup();

    // Geometry�̐���
    LineArray axisX = new LineArray(2, LineArray.COORDINATES | LineArray.COLOR_3);
    LineArray axisY = new LineArray(2, LineArray.COORDINATES | LineArray.COLOR_3);
    LineArray axisZ = new LineArray(2, LineArray.COORDINATES | LineArray.COLOR_3);

    // ���_�̃Z�b�g
    Color3f red = new Color3f(1.0f, 0.0f, 0.0f);
    Color3f green = new Color3f(0.0f, 1.0f, 0.0f);
    Color3f blue = new Color3f(0.0f, 0.0f, 1.0f);

    axisX.setCoordinate(0, new Point3f(-1.0f, 0.0f, 0.0f));
    axisX.setCoordinate(1, new Point3f(1.0f, 0.0f, 0.0f));
    axisX.setColor(0, red);
    axisX.setColor(1, red);

    axisY.setCoordinate(0, new Point3f(0.0f, -1.0f, 0.0f));
    axisY.setCoordinate(1, new Point3f(0.0f, 1.0f, 0.0f));
    axisY.setColor(0, green);
    axisY.setColor(1, green);

    axisZ.setCoordinate(0, new Point3f(0.0f, 0.0f, -1.0f));
    axisZ.setCoordinate(1, new Point3f(0.0f, 0.0f, 1.0f));
    axisZ.setColor(0, blue);
    axisZ.setColor(1, blue);

    // BG�ɒlj�
    axisBG.addChild(new Shape3D(axisX));
    axisBG.addChild(new Shape3D(axisY));
    axisBG.addChild(new Shape3D(axisZ));
}
 

/**
 * ���E���\�z
 */
private void createSceneGraph() {
    // sceneBG�ɂ��낢��ڑ����邱�ƂŐ��E���\�������
    sceneBG = new BranchGroup();
    // ���E�͈̔́i�����Ȃǂ̋y�Ԕ͈́j
    bounds = new BoundingSphere(new Point3d(0, 0, 0), BOUND_SIZE);

    lightScene(); // ������sceneBG�ɒlj�
    addBackground(); // ���sceneBG�ɒlj�
    
    Floor floor = new Floor();
    sceneBG.addChild(floor.getBG());

    sceneBG.compile();
}
 

public BranchGroup createSceneGraph() {
    BranchGroup bg = new BranchGroup();

    // �L���[�u���X����
    Transform3D rotate = new Transform3D();
    Transform3D tempRotate = new Transform3D();

    rotate.rotX(Math.PI / 4.0);
    tempRotate.rotY(Math.PI / 4.0);
    rotate.mul(tempRotate);

    TransformGroup rotateTG = new TransformGroup(rotate);

    // �L���[�u����]����
    TransformGroup spinTG = new TransformGroup();
    spinTG.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    // �J���[�L���[�u���쐬����spinTG�ɒlj�
    ColorCube cube = new ColorCube(0.4);
    spinTG.addChild(cube);

    // ��]�^��
    Alpha rotationAlpha = new Alpha(-1, 4000);
    RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, spinTG);
    // �͈͂��w��
    BoundingSphere bounds = new BoundingSphere();
    rotator.setSchedulingBounds(bounds);
    spinTG.addChild(rotator);

    rotateTG.addChild(spinTG);
    bg.addChild(rotateTG);

    return bg;
}
 

public Axis() {
    axisBG = new BranchGroup();

    // Geometry�̐���
    LineArray axisX = new LineArray(2, LineArray.COORDINATES
            | LineArray.COLOR_3);
    LineArray axisY = new LineArray(2, LineArray.COORDINATES
            | LineArray.COLOR_3);
    LineArray axisZ = new LineArray(2, LineArray.COORDINATES
            | LineArray.COLOR_3);

    // ���_�̃Z�b�g
    Color3f red = new Color3f(1.0f, 0.0f, 0.0f);
    Color3f green = new Color3f(0.0f, 1.0f, 0.0f);
    Color3f blue = new Color3f(0.0f, 0.0f, 1.0f);

    axisX.setCoordinate(0, new Point3f(-10.0f, 0.0f, 0.0f));
    axisX.setCoordinate(1, new Point3f(10.0f, 0.0f, 0.0f));
    axisX.setColor(0, red);
    axisX.setColor(1, red);

    axisY.setCoordinate(0, new Point3f(0.0f, -10.0f, 0.0f));
    axisY.setCoordinate(1, new Point3f(0.0f, 10.0f, 0.0f));
    axisY.setColor(0, green);
    axisY.setColor(1, green);

    axisZ.setCoordinate(0, new Point3f(0.0f, 0.0f, -10.0f));
    axisZ.setCoordinate(1, new Point3f(0.0f, 0.0f, 10.0f));
    axisZ.setColor(0, blue);
    axisZ.setColor(1, blue);

    // axisBG�ɒlj�
    axisBG.addChild(new Shape3D(axisX));
    axisBG.addChild(new Shape3D(axisY));
    axisBG.addChild(new Shape3D(axisZ));
}
 

public KinematicObject(World world) {
    super(world);
    rotation.setIdentity();
    transformGroup = new TransformGroup();
    transformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    transform = new Transform3D();
    transformGroup.setTransform(transform);
    branchGroup = new BranchGroup();
    branchGroup.addChild(transformGroup);
}
 

public Triforce() {
    triforceBG = new BranchGroup();

    // Geometry�̐���
    TriangleArray t1 = new TriangleArray(3, TriangleArray.COORDINATES
            | TriangleArray.COLOR_3);
    TriangleArray t2 = new TriangleArray(3, TriangleArray.COORDINATES
            | TriangleArray.COLOR_3);
    TriangleArray t3 = new TriangleArray(3, TriangleArray.COORDINATES
            | TriangleArray.COLOR_3);

    // ���_�̃Z�b�g
    Color3f yellow = new Color3f(1.0f, 1.0f, 0.0f); // �g���C�t�H�[�X�̐F

    // ��̎O�p�`
    t1.setCoordinate(0, new Point3f(0.0f, 0.6f, 0.0f));
    t1.setCoordinate(1, new Point3f(-0.3f, 0.0f, 0.0f));
    t1.setCoordinate(2, new Point3f(0.3f, 0.0f, 0.0f));
    t1.setColor(0, yellow);
    t1.setColor(1, yellow);
    t1.setColor(2, yellow);

    // �����̎O�p�`
    t2.setCoordinate(0, new Point3f(-0.3f, 0.0f, 0.0f));
    t2.setCoordinate(1, new Point3f(-0.6f, -0.6f, 0.0f));
    t2.setCoordinate(2, new Point3f(0.0f, -0.6f, 0.0f));
    t2.setColor(0, yellow);
    t2.setColor(1, yellow);
    t2.setColor(2, yellow);

    // �E���̎O�p�`
    t3.setCoordinate(0, new Point3f(0.3f, 0.0f, 0.0f));
    t3.setCoordinate(1, new Point3f(0.0f, -0.6f, 0.0f));
    t3.setCoordinate(2, new Point3f(0.6f, -0.6f, 0.0f));
    t3.setColor(0, yellow);
    t3.setColor(1, yellow);
    t3.setColor(2, yellow);

    // Appearance�̐ݒ�
    Appearance app = new Appearance();

    PolygonAttributes pAttr = new PolygonAttributes();
    pAttr.setCullFace(PolygonAttributes.CULL_NONE); // ���ʂ��`��

    app.setPolygonAttributes(pAttr);

    // BG�ɒlj�
    triforceBG.addChild(new Shape3D(t1, app));
    triforceBG.addChild(new Shape3D(t2, app));
    triforceBG.addChild(new Shape3D(t3, app));
}
 

/**
 * �V�[�����\�z����
 * 
 * @return BG
 */
public BranchGroup createSceneGraph() {
    BranchGroup bg = new BranchGroup();

    // ������3D�I�u�W�F�N�g��lj�

    // ���W����lj�
    Axis axis = new Axis();
    bg.addChild(axis.getBG());

    // �_��lj�
    Point3f[] vertices = { // �_�̍��W
            new Point3f(-0.5f, 0.5f, -0.5f),
            new Point3f(0.5f, 0.5f, -0.5f),
            new Point3f(0.5f, 0.5f, 0.5f),
            new Point3f(-0.5f, 0.5f, 0.5f),
            new Point3f(-0.5f, -0.5f, -0.5f),
            new Point3f(0.5f, -0.5f, -0.5f),
            new Point3f(0.5f, -0.5f, 0.5f),
            new Point3f(-0.5f, -0.5f, 0.5f)
    };

    Color3f[] colors = { // �_�̐F
            new Color3f(1.0f, 1.0f, 0.0f),
            new Color3f(1.0f, 1.0f, 0.0f),
            new Color3f(1.0f, 1.0f, 0.0f),
            new Color3f(1.0f, 1.0f, 0.0f),
            new Color3f(1.0f, 1.0f, 0.0f),
            new Color3f(1.0f, 1.0f, 0.0f),
            new Color3f(1.0f, 1.0f, 0.0f),
            new Color3f(1.0f, 1.0f, 0.0f)
    };

    // Geometry
    PointArray geo = new PointArray(8, PointArray.COORDINATES
            | PointArray.COLOR_3);
    geo.setCoordinates(0, vertices); // ���_���W���Z�b�g
    geo.setColors(0, colors); // �F���Z�b�g

    // Appearance
    Appearance app = new Appearance();
    PointAttributes attr = new PointAttributes(5.0f, false); // �_�̑傫��
    app.setPointAttributes(attr);

    bg.addChild(new Shape3D(geo, app));

    // �����܂�

    return bg;
}
 

/**
 * �V�[�����\�z����
 * 
 * @return BG
 */
public BranchGroup createSceneGraph() {
    BranchGroup bg = new BranchGroup();

    // �O�~
    Appearance app = new Appearance();
    app.setTexture(loadTexture("carpet.jpg"));  // �O�~�̃e�N�X�`��
    Box floor = new Box(0.8f, 0.01f, 0.8f, Box.GENERATE_TEXTURE_COORDS, app);

    // ������
    app = new Appearance();
    Material mat = new Material();
    mat.setAmbientColor(new Color3f(0.0f, 0.0f, 1.0f));
    mat.setSpecularColor(new Color3f(1.0f, 1.0f, 1.0f));
    app.setMaterial(mat);

    TransparencyAttributes transAttr = new TransparencyAttributes(
            TransparencyAttributes.BLENDED, 0.5f);
    app.setTransparencyAttributes(transAttr);

    Sphere sphere = new Sphere(0.3f, Sphere.GENERATE_NORMALS, 100, app);

    // �������ړ��p
    Transform3D t3d = new Transform3D();
    t3d.set(new Vector3f(0.0f, 0.3f, 0.0f));
    TransformGroup tg = new TransformGroup(t3d);
    tg.addChild(sphere);

    bg.addChild(floor);
    bg.addChild(tg);
    
    // ����
    BoundingSphere bounds = new BoundingSphere();

    Light light = new AmbientLight();
    light.setInfluencingBounds(bounds);
    bg.addChild(light);

    light = new DirectionalLight(new Color3f(1.0f, 1.0f, 1.0f), new Vector3f(1.0f, -1.0f, -1.0f));
    light.setInfluencingBounds(bounds);
    bg.addChild(light);

    return bg;
}