Video Sensing

The Video & Detection Plug-in allows Kittenblock to use the webcam to produce various effects.

Add the Video Sensing Extension

Open up the extension page.


Select Video Sensing.


New programming blocks will be added.


Video Sensing

You can also use a USB webcam by enabling this option in settings.


We use this block to turn on or off the camera.


Face Detection

Example: Detecting a face and putting a mask on it.


Example: Tracking Facial Features


Motion Detection

Example: Detecting movement

The threshold(0-100) determines how large the movement should be for the event to be triggered.



Example: The direction of movement can also be obtained(-180~180).


Example: Obtaining the velocity of the object in move.