The extensions are listed below.Īn example of the Scratch 3 Extensions Page. Software-based extensions were added in Scratch 3.0, such as text-to-speech voices, along with some new hardware-based extensions like the micro:bit. In Scratch 2.0, the extensions were all hardware-based. In Scratch, extensions add extra blocks and features that can be used in projects. The offline editor can also be downloaded in previous versions, such as Scratch 2.0 and Scratch 1.4 (an archive of older versions is found here). Offline editing Four different scripts for the getting started built-in tutorial.Īn offline "Desktop Editor" for Scratch 3.0 is available for Microsoft Windows 10 and above in the Microsoft Store, Apple's macOS, ChromeOS, and Android this allows the creation and playing of Scratch programs offline. They have the option to run without a screen refresh.Įxtra categories of blocks that can be added to a project at any time. User-defined functions, accessible as blocks. Cloud variables are synced across all running versions of the project. īlocks to access and set variables and lists. Mathematical operators, conjunctions, and comparisons. Sprites can interact with other sprites, the mouse pointer, and the backdrop. Movements of sprites like angles and directions. The table below shows the categories of the programming blocks: When creating sprites and also backgrounds, users can draw their own sprite manually, choose a Sprite from the library, or upload an image. The Sounds tab allows attaching sounds and music to a sprite. The Costumes tab allows users to change the look of the sprite with a vector and bitmap editor in order to create various effects, including animation. With a sprite selected at the bottom of the staging area, blocks of commands can be applied to it by dragging them from the block palette into the coding area. The stage uses x and y coordinates, with 0,0 being the stage center. The stage area features the results (e.g., animations, turtle graphics, either in a small or normal size, with a full-screen option also available) and all sprites' thumbnails being listed in the bottom area. Users may also create their own code blocks and they will appear in "My Blocks". The Scratch interface is divided into three main sections: a stage area, block palette, and a coding area to place and arrange the blocks into scripts that can be run by pressing the green flag or clicking on the code itself. Scratch 3.0 User interface A program to change the background and make a character speak Like scratching, the website lets users mix together different media (including graphics, sound, and other programs) in creative ways by creating and "remixing" projects, like video games, animations, music, and simulations. Scratch takes its name from a technique used by disk jockeys called " scratching", where vinyl records are clipped together and manipulated on a turntable to produce different sound effects and music. As of 15 February 2023, community statistics on the language's official website show more than 123 million projects shared by over 103 million users, over 804 million total projects ever created (including unshared projects), and more than 95 million monthly website visits. Scratch is taught and used in after-school centers, schools, and colleges, as well as other public knowledge institutions. It has been translated into 70+ languages, and is used in most parts of the world. Scratch is developed by the MIT Media Lab. Scratch was conceived and designed through collaborative National Science Foundation grants awarded to Mitchel Resnick and Yasmin Kafai. Users on the site can create projects on the website using a block-like interface. Scratch is a high-level block-based visual programming language and website aimed primarily at children as an educational tool, with a target audience of ages 8 to 16. Logo, Smalltalk, HyperCard, StarLogo, AgentSheets, AgentCubes, EtoysĬatrobat, ScratchJr, Snap !, mBlock, Turtlestitch Microsoft Windows, macOS, Linux (via renderer), HTML5(via web browser), iOS, iPadOS, and Android.īSD 3-Clause, GPLv2 and Scratch Source Code License Scratch 3.29.1 (offline editor) / 27 February 2022 23 months ago ( ).Scratch 3.0 (online editor) / 2 January 2019 5 years ago ( ).
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