HelloWorld example code

Building 3D content with a scene graph HelloWorld example code

Set up an animation behavior to spin the shapes . . .

    // Make a behavor to spin the shape
    Alpha spinAlpha = new Alpha( -1, 4000 );
    RotationInterpolator spinner =
        new RotationInterpolator( spinAlpha, trans );
    spinner.setSchedulingBounds(
	    new BoundingSphere( new Point3d( ), 1000.0 ) );
    trans.addChild( spinner );

    return branch;
}