def modify_state_for_body(s, body):
            s.layers['segmentation'].segments = frozenset([body.segment_id])
            s.voxel_coordinates = body.bbox_start + body.bbox_size // 2
def playcolors():
  while 1:
    global clearcolor
    clearcolor = [np.random.random(),0,0,0]
    time.sleep(0.1)
    refresh()