Unity local coordinates and world coordinates

【 World coordinates 】：unity The middle world coordinates are not marked . It can be identified by , When the game object A When it is under the root node , At this time, the game object A Of transform In the component Position and Rotation The coordinate values of , Is relative to the world coordinate system , here , stay Position in , take X=0, Y=0, Z=0, At this time, the origin of the game object coordinate system is the origin of the world coordinate system .
【 Local coordinate system 】： When the game object A Located in the parent object B Next time , At this time, the game object A Of transform In the component Position and Rotation Value , Is relative to the parent object B Local coordinate system .
tips: open Unity Hub, Click a project and there is no response , Get into “ Manage licenses ” function , Update activation personal license