-- 所有的group
groups = {
	{ id = 201008001, refresh_time = 0, pos = { x = 0.3, y = 0.0, z = 21.0 } },
	{ id = 201008901, refresh_time = 0, pos = { x = -0.8, y = 0.0, z = -1.3 } },
	{ id = 201008003, refresh_time = 0, pos = { x = -3.4, y = 0.1, z = -14.5 } }
}