@Override
	@Execute
	public void preRender(IChassis chassis) {
		//Generate the VBO's for the GUI Elements
		Iterator<GUIElement> it = this.guiElements.values().iterator();
		while(it.hasNext()) {
			GUIElement element = it.next();
			if(element.isDirty() && element.isActive()) element.preRender(chassis);
		}
	}