}
}
private void addBranchShape() {
Shape3D branchShape = new Shape3D();
LineArray branchLine = createBranchLine();
Appearance branchAppearance = new Appearance();
AppearanceFactory.setColorWithColoringAttributes(branchAppearance, ColorConstants.brown);
branchShape.setGeometry(branchLine);
branchShape.setAppearance(branchAppearance);
group.addChild(branchShape);