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Another version, added in March 2012, is licensed under the GNU General Public License, version 2. This is released under the Scratch Source Code License. The first, available since Scratch was created, contains a non-branded image file with a generic sprite and no uploading. The free version of Scratch 2 is under the GNU GPLv2 or any later version it is complete except for the media library, help, and cloud variables.įor Scratch 1.4, there are two different versions of the source code, available under two different licenses and intended for different purposes. Scratch Blocks is licensed under the Apache License v2.0, which is a fork of Google's Blockly, that is also under the Apache License. Licenses "License" redirects here. For the license Scratch projects are published under, see Scratch Project License.Īll Scratch 3.0 source code except for Scratch Blocks is licensed under the BSD 3-clause license. which can make the code difficult to understand.) (If the source code is absent, Squeak will automatically decompile methods, so Scratch can still be modified however, comments are removed and temporary variable names are replaced with t1, t2, t3, etc. The Scratch Team has published these separately from the ordinary version of Scratch, as explained below. The source code for Scratch 1.x is stored in two files, SqueakV2.sources and the changes file, the former containing the original source code for Squeak 2.0 and the latter containing everything written since then, including Scratch itself. Scratch 1.4 Main article: Scratch 1.4 Source Code However, Scratch is and always will be open-source, and updates to the source code can be viewed on GitHub. Compiling takes code written in a human-friendly or high-level programming language and converts into code in a low-level language, which is more compact and can be interpreted faster.
![scratch codes scratch codes](https://images.squarespace-cdn.com/content/v1/5976eefdd1758e6e5427c9b1/1588465193061-8BL4X847OVNPCUEV8E7F/ke17ZwdGBToddI8pDm48kPofYNsFFXA7zs6bNh1zAJxZw-zPPgdn4jUwVcJE1ZvWEtT5uBSRWt4vQZAgTJucoTqqXjS3CfNDSuuf31e0tVHiPN3cqMEMTg5ancsyjDFVYk1NcGHfL8EmGfE8F-_u_pu3E9Ef3XsXP1C_826c-iU/image2.png)
From the source code page, users can view the pull requests for Scratch 2.0 as well as analyze the current issues that need debugged.īefore the release of the source code on May 13, 2014, Scratch 2.0 could only be used in compiled form. It is written in ActionScript and now provides the necessary tools for users familiar with the language to create mods of Scratch 2.0. The Scratch 2.0 source code is now officially available on GitHub here.
![scratch codes scratch codes](https://i.ytimg.com/vi/iuf1h19iZ50/maxresdefault.jpg)
scratch-render - draws the backdrop and sprites using WebGL.It is spread across several repositories and written mostly in JavaScript. These operator blocks are additionally used for the purpose of comparing variables and values and also used while working with strings(i.e text).The Scratch 3.0 source code is in GitHub. These code blocks are used to carry out arithmetic functions of Addition(+), Subtraction(-), Multiplication(*) and Division(/). Always remember that you are allowed to create only 10 cloud variables in a particular Scratch programming project. This type of variable only accepts numeric data. It enables students to store variables on the Scratch server. Cloud variable: These types of special variables are recognized with a cloud-like symbol that is available in front of the variable name. This way this local variable can be accessed by only the current sprite.Ĭ. In scratch, a student can select a local variable by choosing the option “choose for this sprite only”. It can only be modified or accessed from that sprite that is used in its creation. Local variable: It is quite the opposite of the global variable. This way this global variable can be accessed by anyone who needs it.ī. In scratch, a student can select a global variable by choosing the option “choose for all sprites”. The important point here is that in the global variable it doesn’t matter which sprite in the scratch it was created on. Global variable: It is a standard variable that can be modified or accessed from any sprite.