"""
Define some constants shared across the lsp module
"""

COLLISION_VAL = 1
FREE_VAL = 0
UNOBSERVED_VAL = -1
assert (COLLISION_VAL > FREE_VAL)
assert (FREE_VAL > UNOBSERVED_VAL)
OBSTACLE_THRESHOLD = 0.5 * (FREE_VAL + COLLISION_VAL)
