Signals in Scratch

< Functionality in Scratch
 * Dutch: Signalen in Scratch

Introduction

 * If you want to sprites to react on each other you can use the signal functionality.
 * You can compare this functionality with raising your hand. You want your teacher to see that you raise your hand. This is also a signal.

Example program

 * In the example below you see how you can use signal functionality.
 * When you click the dog it says: "Hello, do you want to play?"
 * The dog also sends 'message 1'.




 * The cat responds to this message by gilding towards the dog.
 * When you click the green flag the cat gildes back.