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a full turtle circle

i have meet an interesting thing: system:win10 vmware15.5pro ubuntu18.04 ros melodic(which is not important) when runing : rostopic pub turtle1/cmd_vel geometry_msgs/Twist "linear: x: 200.0 y: 0.0 z: 0.0 angular: x: 0.0 y: 0.0 z: 200.0" -r 10

i surpose to see a empty circle,but i see a full circle.but the turtle should not have the chance to walk through the circle.actually it take the shorter way rather then quickly go round.

(and as you can see i have a poor english......)

a full turtle circle

i have meet an interesting thing: system:win10 vmware15.5pro ubuntu18.04 ros melodic(which is not important) when runing : :

rostopic pub turtle1/cmd_vel geometry_msgs/Twist "linear:
  x: 200.0
  y: 0.0
  z: 0.0
angular:
  x: 0.0
  y: 0.0
  z: 200.0" -r 10

10

i surpose to see a empty circle,but i see a full circle.but the turtle should not have the chance to walk through the circle.actually it take the shorter way rather then quickly go round.

(and as you can see i have a poor english......)