Codey Rocky-Ping Pong Ball

Press button A to start the game.
This game needs 2 players. When the IR proximity sensor detects an object, Codey Rocky moves backward in a random direction for 2 seconds.
When the ultrasonic sensor mounted at the rear of Codey Rocky detects an object, Codey Rocky moves forward in a random direction.
Press button B to stop all the scripts.
If you need the source code, you can click into 'Source Code' to view it.
mblock.makebloc...