fancy_gym/alr_envs/dmc/suite/reacher/mp_wrapper.py
2021-07-30 11:59:02 +02:00

34 lines
939 B
Python

from typing import Tuple, Union
import numpy as np
from mp_env_api import MPEnvWrapper
class MPWrapper(MPEnvWrapper):
@property
def active_obs(self):
# Joint and target positions are randomized, velocities are always set to 0.
return np.hstack([
[True] * 2, # joint position
[True] * 2, # target position
[False] * 2, # joint velocity
])
@property
def current_pos(self) -> Union[float, int, np.ndarray]:
return self.env.physics.named.data.qpos[:]
@property
def current_vel(self) -> Union[float, int, np.ndarray, Tuple]:
return self.env.physics.named.data.qvel[:]
@property
def goal_pos(self) -> Union[float, int, np.ndarray, Tuple]:
raise ValueError("Goal position is not available and has to be learnt based on the environment.")
@property
def dt(self) -> Union[float, int]:
return self.env.dt