Example usage for javax.media.j3d Billboard ROTATE_ABOUT

Introduction

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

Prototype

int ROTATE_ABOUT_AXIS

To view the source code for javax.media.j3d Billboard ROTATE_ABOUT_AXIS.

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Document

Specifies that rotation should be about the specified axis.

Usage

From source file:BillboardTest.java

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

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

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

    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, objTrans, yAxis, 0.0f,
            (float) Math.PI * 2.0f);
    rotator.setSchedulingBounds(bounds);
    objTrans.addChild(rotator);/*from w w  w . j  a  v  a2 s. c  om*/

    objTrans.addChild(createBillboard("AXIS - 0,1,0", new Point3f(-40.0f, 40.0f, 0.0f),
            Billboard.ROTATE_ABOUT_AXIS, new Point3f(0.0f, 1.0f, 0.0f), bounds));

    objTrans.addChild(createBillboard("POINT - 10,0,0", new Point3f(40.0f, 00.0f, 0.0f),
            Billboard.ROTATE_ABOUT_POINT, new Point3f(10.0f, 0.0f, 0.0f), bounds));

    objTrans.addChild(new ColorCube(20.0));

    objRoot.addChild(objTrans);

    return objRoot;
}

From source file:SimpleBillboard.java

/**
 * Build the content branch for the scene graph. This creates two cubes and
 * uses a billboard node to keep one face of one of the cubes facing the
 * viewer./*from w w  w . j a  v a2s  .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 cubes
    Box leftCube = new Box(1.0f, 1.0f, 1.0f, app);
    ColorCube rightCube = new ColorCube();
    //Create the transformgroup used for the billboard
    TransformGroup billBoardGroup = new TransformGroup();
    //Set the access rights to the group
    billBoardGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    //Add the cube to the group
    billBoardGroup.addChild(rightCube);
    //Create and activate the billboard
    Billboard myBillboard = new Billboard(billBoardGroup, Billboard.ROTATE_ABOUT_AXIS,
            new Vector3f(0.0f, 1.0f, 0.0f));
    myBillboard.setSchedulingBounds(bounds);
    BranchGroup contentBranch = new BranchGroup();
    contentBranch.addChild(myBillboard);
    addLights(contentBranch);
    //Position the cubes
    TransformGroup bothGroup = new TransformGroup();
    Transform3D leftGroupXfm = new Transform3D();
    leftGroupXfm.set(new Vector3d(-1.5, 0.0, 0.0));
    TransformGroup leftGroup = new TransformGroup(leftGroupXfm);
    Transform3D rightGroupXfm = new Transform3D();
    rightGroupXfm.set(new Vector3d(1.5, 0.0, 0.0));
    TransformGroup rightGroup = new TransformGroup(rightGroupXfm);
    //Put it all together
    bothGroup.addChild(leftGroup);
    leftGroup.addChild(leftCube);
    bothGroup.addChild(rightGroup);
    rightGroup.addChild(billBoardGroup);
    contentBranch.addChild(bothGroup);
    return contentBranch;

}

Example usage for javax.media.j3d Billboard ROTATE_ABOUT_AXIS

Introduction

Prototype

Document

Usage