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Scratch 3.0
Scratch 3.0 Prototype.png
Release Date August 2018
Programming language HTML5 / JavaScript
« 2.0

Scratch 3.0 is an announced version of Scratch to succeed Scratch 2.0. It is a complete redesign and reimplementation of Scratch.

The public alpha release was released at https://preview.scratch.mit.edu in January 2018.[1] The final release date for the online version of Scratch 3.0 is set for an August 2018 release.[2] The offline version of Scratch 3.0 will come later. The name "Scratch 3.0" was first implied by Scratch Team member Andrew Sliwinski (thisandagain) in May 2016, following the trend.[3] It was later confirmed by the preview FAQ in January 2018.

Scratch 3.0 will be written in HTML5, which is a general term for the latest HTML, CSS, and Javascript web-based markup and programming languages. Scratch 3.0 will primarily use the WebGL, Web Workers, and Web Audio Javascript libraries.[4] Javascript is a widely supported language across all web browsers, and WebGL was picked for its speed and ability to perform operations like "touching color". Unlike Adobe Flash, Javascript works without requiring any plugins.

An early version of the Scratch 3.0 sound recorder.

GitHub

The current Scratch 3.0 editor favicon.

Currently, the editor of Scratch 3.0 is available here and a less stable version, with newer features, can be found here. The code and development can be viewed on GitHub here.

Upcoming Features

The following is a partial list of new features that Scratch 3.0 may contain:

  • Mobile device support via an HTML5 based editor.[4][5] Phones will be able to play but will not be able create projects at the August launch. Tablets will be able to play and create projects at launch.[6]
  • Set pen transparency to () :: pen and change pen transparency by () :: pen blocks.[7]
  • Sound effect blocks which change how a sound sounds.
  • A [] contains []? :: operators block that reports whether the first string contains the second.[8]
  • An (item # of [string] in [list v] ::list) block that reports the item number of the first match of the string, or 0 if no such value is found.[9]
  • Several extra options for the “touching ()?” boolean, including “any edge”, “mouse-position”, and “left edge”.[10]
  • A glide () secs to [ v] :: motion block that acts like go to [ v] with glide.[11]
  • Pen Blocks and MIDI sound blocks are extensions, and not shown by default.[12]
  • A thinner Helvetica font in the paint editor.
  • A set drag mode[draggable v] ::sensing block.[13]
  • go to [front v] ::looks and go [forward v] (1) layers ::looks blocks instead of go to front and go back (1) layers.[14]
  • (costume [number v] ::looks) and (backdrop [number v] :: looks) blocks, which also include "name" in the dropdown, instead of (costume #) and (backdrop name).[15]
  • The Video Sensing blocks will become an extension.[16] There will also be at least 5 new extensions including Lego Boost, Speech, Translate, Micro:BIT and Scratch Bit.
  • Internet Explorer will not be a supported browser.[17]
  • PicoBoard and LEGO WeDo 1.0 will NOT be supported.[18]
  • The addition of a pause button.[19]

Gallery

External links

See Also

References

  1. thisandagain (5/2/2018) "The preview was released in the first quarter of 2018 (preview.scratch.mit.edu came out a couple weeks ago). The full version will be released in August." https://scratch.mit.edu/users/thisandagain/#comments-42262529
  2. https://scratch.mit.edu/preview-faq "We plan to launch the online version of Scratch 3.0 in August 2018."
  3. thisandagain. (18/5/2016). "No name has been decided, but most likely it will simply be called 'Scratch 3.0'." https://scratch.mit.edu/users/thisandagain/#comments-23456121
  4. a b ErnieParke. (23/12/2016). https://scratch.mit.edu/discuss/topic/232115/
  5. mres. (19/5/2016). "Scratch Blocks will be suitable for a broad range of devices (from mobile phones to desktops)." https://scratch.mit.edu/discuss/topic/199904/
  6. https://scratch.mit.edu/preview-faq "Scratch 3.0 will work on desktop, laptop, and tablet devices (iOS and Android). In addition projects will be able to be played on mobile phones. Mobile phone project creation support is in progress but will not be available in August."
  7. thisandagain. (16/2/2017). "Decision from design discussion:change pen transparency by [10] :: penset pen transparency to [50] :: pen" https://github.com/LLK/scratch-vm/issues/412#issuecomment-280118002
  8. thisandagain. (10/8/2017). ‘Implement “[string] contains [string]” reporter.[title]’ https://github.com/LLK/scratch-gui/issues/601
  9. thisandagain. (10/8/2017). ‘Implement “item # of [string] in [dropdown]”.[title]’ https://github.com/LLK/scratch-gui/issues/600
  10. thisandagain. (10/8/2017). ‘Update “touching [drop down]?” reporter.[title]’ https://github.com/LLK/scratch-gui/issues/599
  11. thisandagain. (10/8/2017). ‘Implement “glide [number] secs to [drop down]”.[title]’ https://github.com/LLK/scratch-gui/issues/598
  12. ericrosenbaum. (3/10/2017). "We are moving the pen blocks to an extension." https://github.com/LLK/scratch-vm/issues/736
  13. https://github.com/LLK/scratch-vm/issues/553
  14. https://github.com/LLK/scratch-blocks/issues/1317
  15. https://github.com/LLK/scratch-blocks/issues/1318
  16. https://github.com/LLK/scratch-gui/issues/1074
  17. https://scratch.mit.edu/preview-faq "Internet Explorer will NOT be supported."
  18. https://github.com/LLK/scratch-gui/issues/1549
  19. https://scratch.mit.edu/users/paddle2see/#comments-45539891