What does world frame mean?

The coordinate frame fixed to the mat, which stays put however the robot moves. Its x axis runs to the right and its y axis away from you; position(), targets and walls are in this frame.

Also written as: world frames

In a lesson

drive(fwd, lat, rot) is a body frame command. position() is a world frame answer. Anything that connects them has to know the heading.

Learn it

• Taught in U2.1 Two frames Kinematics and frames, University

Used in

• U2.2 The rotation matrix
• U3.2 Write your own odometry
• U8.7 Project: map the mat

All glossary terms