def hockeyist_can_strike_unit(env, hockeyist, unit):
distance = geometry.distance(hockeyist, unit)
angle = geometry.unit_angle_to(hockeyist, unit)
return distance <= env.game.stick_length and abs(angle) <= env.game.stick_sector / 2.
def hockeyist_can_take_puck(env, hockeyist):
distance = geometry.distance(hockeyist, env.world.puck)
angle = geometry.unit_angle_to(hockeyist, env.world.puck)
return distance <= env.game.stick_length and abs(angle) <= env.game.stick_sector / 2.