Programming using MIT Scratch For Kids — “Move Back and Forth”
About
In this Scratch programming task, A Cat can be moved back and forth by clicking the red and green circles respectively.
The colored circles send messages to the cat and the Cat responds by moving appropriately.
Commands for Back Button
When the red colored circle is clicked, it will send a “move back” message out (broadcast). Anyone can catch this message and respond accordingly.
Commands for Front Button
When the green colored circle is clicked, it will send a “move front” message out (broadcast). Anyone can catch this message and respond accordingly.
Commands for Cat
The Cat is interested in receiving the “move back” and “move front” messages.
- When the cat receives the “move back” message, it will move back by 10 steps.
- When the cat receives the “move front” message, it will move front by10 steps.
Summary
In this simple Scratch project you have seen the process of adding user -interaction to sprites and also the results of user-interaction by passing messages between sprites.
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Thank you,
Satish Goda (satishgoda at live dot com)
