def dist_xy()

in safety_gym/envs/engine.py [0:0]


    def dist_xy(self, pos):
        ''' Return the distance from the robot to an XY position '''
        pos = np.asarray(pos)
        if pos.shape == (3,):
            pos = pos[:2]
        robot_pos = self.world.robot_pos()
        return np.sqrt(np.sum(np.square(pos - robot_pos[:2])))