Scratch 2.0 Online Editor Extensions

Basic lightning introduction to Scratch 2.0 online editor extensions [experimental]

Transcript

1. WINTER Template Scratch Extensions 01
2. Scratch is a visual educational programming environment, from MIT. 02
3. Connect blocks together to form a program 03
4. An experimental feature allows extensions to be written, to access hardware or other things… 04
5. Extensions for the online Scratch editor are written in JavaScript. For safety, projects with extensions cannot be shared freely on the Scratch website, unlike normal Scratch projects. 05
6. JavaScript defines: •  the new extension blocks •  the methods invoked when the blocks are run 06
7. What can they do? •  anything JavaScript in a browser can do •  access browser services •  access web services •  interface with servers running on the localhost 07
8. You could… 08
9. You could… •  write a JS extension to communicate… 08
10. You could… •  write a JS extension to communicate… •  with a Node.js server on localhost… 08
11. You could… •  write a JS extension to communicate… •  with a Node.js server on localhost… •  which is using Bluetooth to talk to… 08
12. You could… •  write a JS extension to communicate… •  with a Node.js server on localhost… •  which is using Bluetooth to talk to… •  a Bluetooth Cubelet. 08
13. You could… •  write a JS extension to communicate… •  with a Node.js server on localhost… •  which is using Bluetooth to talk to… •  a Bluetooth Cubelet which is… •  next to a Light Cubelet 08
14. 09 •  Demo time!
15. 09 Scratch extension documentation: http://wiki.scratch.mit.edu/wiki/ Scratch_Extension_Protocol_(2.0) My extensions: https://github.com/mxsscott/scratchext
16. 10 Any questions? Template from www.presentationmagazine.com