Video Sensing

video-sensing
Extension Description
Video Sensing Extension allows webcams to interact with Projects through Video Sensing.

Introduction

The Video Sensing Extension allows webcams to interact with Projects through Video Sensing.

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PictoBlox Blocks

The when video motion > () block activates when the current video motion on the stage is greater than the number entered. 
The block gets values of the video, either motion (on a scale of 1 to 100) or direction (which way the detected motion is going, measured on the same plane as sprite direction), on either the Stage or the current sprite. If there is no video, the block will return -1. It calculates the values based on “optical flow”.
The block turns the webcam on (directly or flipped) or off depending on the argument. 
The block sets the transparency of the video stream to a certain value.
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