예제 #1
0
  /** Setup the basic scene which consists of a quad and a viewpoint */
  private void setupSceneGraph() {
    // View group

    Viewpoint vp = new Viewpoint();

    Vector3f trans = new Vector3f(0, 0, 1);

    Matrix4f mat = new Matrix4f();
    mat.setIdentity();
    mat.setTranslation(trans);

    TransformGroup tx = new TransformGroup();
    tx.addChild(vp);
    tx.setTransform(mat);

    Group scene_root = new Group();
    scene_root.addChild(tx);

    // Flat panel that has the viewable object as the demo
    float[] coord = {0, 0, -1, 0.25f, 0, -1, 0, 0.25f, -1};
    float[] normal = {0, 0, 1, 0, 0, 1, 0, 0, 1};

    TriangleArray geom = new TriangleArray();
    geom.setValidVertexCount(3);
    geom.setVertices(TriangleArray.COORDINATE_3, coord);
    geom.setNormals(normal);

    Material material = new Material();
    material.setDiffuseColor(new float[] {0, 0, 1});
    material.setEmissiveColor(new float[] {0, 0, 1});
    material.setSpecularColor(new float[] {1, 1, 1});
    material.setTransparency(0.5f);

    Appearance app = new Appearance();
    app.setMaterial(material);

    Shape3D shape = new Shape3D();
    shape.setGeometry(geom);
    shape.setAppearance(app);

    TransformGroup tg = new TransformGroup();
    Matrix4f transform = new Matrix4f();
    transform.setIdentity();
    transform.setTranslation(new Vector3f(0.15f, 0, -1));
    tg.setTransform(transform);

    Shape3D backShape = new Shape3D();
    Material material2 = new Material();
    material2.setDiffuseColor(new float[] {1, 0, 0});
    material2.setEmissiveColor(new float[] {1, 0, 0});
    material2.setSpecularColor(new float[] {1, 1, 1});

    Appearance app2 = new Appearance();
    app2.setMaterial(material2);
    backShape.setGeometry(geom);
    backShape.setAppearance(app2);
    tg.addChild(backShape);

    scene_root.addChild(tg);
    scene_root.addChild(shape);

    SimpleScene scene = new SimpleScene();
    scene.setRenderedGeometry(scene_root);
    scene.setActiveView(vp);

    // Then the basic layer and viewport at the top:
    SimpleViewport view = new SimpleViewport();
    view.setDimensions(0, 0, 500, 500);
    view.setScene(scene);

    SimpleLayer layer = new SimpleLayer();
    layer.setViewport(view);

    Layer[] layers = {layer};
    displayManager.setLayers(layers, 1);
  }