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Specifying a geometry with Texture as background E-mail
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By default, the background of a Java 3D virtual universe is solid black. However, you can specify other backgrounds for your virtual worlds. The Java 3D API provides an easy way to specify a solid color, an image, geometry, or a combination of these, for a background.

This program demonstrates how to use a geometry with Texture as the background of the virtual world. As the texture file, the file "background.jpg" is required.


Image

public BranchGroup createSceneGraph() {

    BranchGroup objRoot = new BranchGroup();
  
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.00.00.0),100.0);
    Background bg = new Background();
    bg.setApplicationBounds(bounds);
    BranchGroup backGeoBranch = new BranchGroup();
    Sphere sphereObj = new Sphere(1.1f, Sphere.GENERATE_NORMALS
        | Sphere.GENERATE_NORMALS_INWARD
        | Sphere.GENERATE_TEXTURE_COORDS, 45);
    Appearance backgroundApp = sphereObj.getAppearance();
    backGeoBranch.addChild(sphereObj);
    bg.setGeometry(backGeoBranch);

    TextureLoader tex = new TextureLoader("background.jpg"new String(
        "RGB")this);
    if (tex != null) {
      backgroundApp.setTexture(tex.getTexture());
    }
    objRoot.addChild(bg);

    return objRoot;
}

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