in mbrl/env/cartpole_continuous.py [0:0]
def __init__(self):
self.gravity = 9.8
self.masscart = 1.0
self.masspole = 0.1
self.total_mass = self.masspole + self.masscart
self.length = 0.5 # actually half the pole's length
self.polemass_length = self.masspole * self.length
self.force_mag = 10.0
self.tau = 0.02 # seconds between state updates
self.kinematics_integrator = "euler"
# Angle at which to fail the episode
self.theta_threshold_radians = 12 * 2 * math.pi / 360
self.x_threshold = 2.4
# Angle limit set to 2 * theta_threshold_radians so failing observation
# is still within bounds.
high = np.array(
[
self.x_threshold * 2,
np.finfo(np.float32).max,
self.theta_threshold_radians * 2,
np.finfo(np.float32).max,
],
dtype=np.float32,
)
act_high = np.array((1,), dtype=np.float32)
self.action_space = spaces.Box(-act_high, act_high, dtype=np.float32)
self.observation_space = spaces.Box(-high, high, dtype=np.float32)
self.seed()
self.viewer = None
self.state = None
self.steps_beyond_done = None