ros turtle画五角星python
时间: 2023-09-18 21:09:59 浏览: 144
可以通过以下代码在ROS中使用Python绘制五角星:
import rospy
from geometry_msgs.msg import Twist
from turtlesim.msg import Pose
import math
def draw_star():
rospy.init_node('turtle_star')
turtle_vel = rospy.Publisher('/turtle1/cmd_vel', Twist, queue_size=1)
rate = rospy.Rate(10)
# move to starting position
start_msg = Twist()
start_msg.linear.x = 2
turtle_vel.publish(start_msg)
rospy.sleep(2)
# turn turtle to draw star
for i in range(5):
vel_msg = Twist()
vel_msg.angular.z = math.pi/2
turtle_vel.publish(vel_msg)
rospy.sleep(2)
vel_msg.linear.x = 2
turtle_vel.publish(vel_msg)
rospy.sleep(2)
# stop turtle movement
stop_msg = Twist()
turtle_vel.publish(stop_msg)
rospy.spin()
if __name__ == '__main__':
try:
draw_star()
except rospy.ROSInterruptException:
pass
希望这能帮到你!