From Test-Scratch-Wiki
Watch Me Move! is the name for video sensing in Scratch 2.0. It is similar to the Microsoft Kinect, but much simpler to use.
Video Blocks
There are 3 blocks related to video sensing.
Turn Video ()
- Main article: Turn Video () (block)
turn video [on v]
This block can be accessed only by the Stage, in the Looks palette. It can turn the video on, off, or on-flipped (flipped horizontally).
Set Video Transparency to ()%
- Main article: Set Video Transparency to ()% (block)
set video transparency to (50)%
This block, like Turn Video (), can only be accessed by the Stage, in the Looks palette. It can set the transparency of the webcam output. Setting it to 0 makes it completely opaque, and setting it to 100 makes it completely transparent.
Video () on ()
- Main article: Video () on () (block)
(video [motion v] on [this sprite v])
This Reporter block can be accessed and used by any sprite, or the Stage. The first dropdown menu has options "motion" and "direction". The second contains a list of all the sprites.
