fancy_gym/alr_envs/mujoco/ball_in_a_cup/utils.py
Maximilian Huettenrauch 0916daf3b5 updates
2021-02-15 16:31:34 +01:00

40 lines
1.3 KiB
Python

from alr_envs.utils.detpmp_env_wrapper import DetPMPEnvWrapper
from alr_envs.mujoco.ball_in_a_cup.ball_in_a_cup import ALRBallInACupEnv
from alr_envs.mujoco.ball_in_a_cup.ball_in_a_cup_simple import ALRBallInACupEnv as ALRBallInACupEnvSimple
# TODO: add make_env for standard biac
def make_simple_env(rank, seed=0):
"""
Utility function for multiprocessed env.
:param env_id: (str) the environment ID
:param num_env: (int) the number of environments you wish to have in subprocesses
:param seed: (int) the initial seed for RNG
:param rank: (int) index of the subprocess
:returns a function that generates an environment
"""
def _init():
env = ALRBallInACupEnvSimple()
env = DetPMPEnvWrapper(env,
num_dof=3,
num_basis=5,
width=0.005,
policy_type="motor",
start_pos=env.start_pos[1::2],
duration=3.5,
post_traj_time=4.5,
dt=env.dt,
weights_scale=0.1,
zero_centered=True
)
env.seed(seed + rank)
return env
return _init