def change_geom_alpha()

in mujoco_worldgen/util/sim_funcs.py [0:0]


def change_geom_alpha(model, body_name_prefix, new_alpha):
    ''' Changes the visual transparency (alpha) of an object'''
    for body_name in model.body_names:
        if body_name.startswith(body_name_prefix):
            for geom_id in get_body_geom_ids(model, body_name):
                model.geom_rgba[geom_id, 3] = new_alpha