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USING THE AI FEATURES OF SCRATCH

There are many powerful extensions you can use to make your projects more dynamic and
interactive. To use them, you must first add them to the blocks palette.

To add these extensions to the blocks palette, follow the given steps:

Step 1: Click on the Add Extension button.

Step 2: Choose the desired extension.

The chosen extension will be added to the blocks palette. Let’s learn about some of these
exciting extensions.

Video Sensing

The Video Sensing extension lets you use your webcam to
control your project. It can detect movement in front of the

camera and use it to make things happen in the game, like
moving a sprite or triggering an action.

The Video Sensing extension includes the following blocks:

It starts a script when the camera detects motion
when video motion > 10
greater than a set value (like waving your hand).

This block detects the motion or direction of

video motion on sprite movement captured by the webcam. You can apply
it to a specific sprite or the entire stage.

Premium Edition-IV
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