object_smach.py 文件源码

def __init__(self, angle=0):
        State.__init__(self, outcomes=['succeeded', 'aborted', 'preempted'])
        self.speed = rospy.get_param('~speed', 0.03)
        self.secretindigal = 1.0
        self.tolerance = rospy.get_param('tolerance', math.radians(5))
        self.start = True
        self.cmd_vel = rospy.Publisher('mobile_base_controller/smooth_cmd_vel', Twist, queue_size=5)
        self.base_frame = rospy.get_param('~base_frame', '/base_link')
        self.odom_frame = rospy.get_param('~odom_frame', '/odom')
        rospy.on_shutdown(self.shutdown)
        self.rate = 30
        self.start_test = True
        self.r = rospy.Rate(self.rate)
        self.angle=angle
        self.tf_listener = tf.TransformListener()
        rospy.sleep(0.5)
        self.tf_listener.waitForTransform(self.odom_frame, self.base_frame, rospy.Time(), rospy.Duration(60))