问使用GeometryInfo的Java3d -错误的正态

EN

private SceneBase makeScene()
{
// Create Scene to pass back
SceneBase scene = new SceneBase();
BranchGroup group = new BranchGroup();
scene.setSceneGroup(group);

// Store the scene info on a GeometryInfo
GeometryInfo gi = new GeometryInfo(GeometryInfo.TRIANGLE_STRIP_ARRAY);

// Convert ArrayLists to arrays: only needed if file was not binary
if(this.Ascii)
{
  coordArray = objectToPoint3Array(coordList);
  normArray = objectToVectorArray(normList);
}

gi.setCoordinates(coordArray);
gi.setNormals(normArray);
gi.setStripCounts(stripCounts);

// Setting the Material Appearance
Appearance app = new Appearance();

// Coloring Attributes
ColoringAttributes catt = new ColoringAttributes();
catt.setShadeModel( ColoringAttributes.NICEST );
app.setColoringAttributes(catt);

Material mat = new Material(new Color3f(0.6f, 0.6f, 0.6f),      // ambient
                            new Color3f(0, 0, 0),               // emissive
                            new Color3f(0.6f, 0.6f, 0.6f),      // diffuse
                            new Color3f(0.6f, 0.6f, 0.6f),      // specular
                            10);                                // shininess
app.setMaterial(mat);

// Put geometry into Shape3d
Shape3D shape = new Shape3D(gi.getGeometryArray(), app);

group.addChild(shape);
scene.addNamedObject(objectName, shape);

return scene;
} // end of makeScene