Waypoint Patrol Upadte

Why need patrol?

1. The range of the unit is not infinite, patrol to defend bigger area.
2. You can use little units to defend bigger area. Building a strong unit is very expansive, you may not build many strong unit with limited resources.

Update

1. Add Unit Command Of Patrol, Select Unit And Click Patrol Button, Click To Set Some Waypoints, Selected Unit Will Patrol By Waypoints.