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2017 Jan. 4: GlowScript 2.3
2016 Nov. 12: GlowScript 2.2
2016 Aug. 22: Much more powerful version of the extrusion object, with full shapes and paths libraries. Also added text to radio buttons and check boxes.
2016 Aug. 4: Widgets implemented -- button, radio button, check box, slider, and drop-down menu.
2016 July 2: 3D text object implemented, with major contributions by Kadir Haldenbilen.
2016 Feb. 28: GlowScript 2.1
The old forms scene.title.text() and scene.title.html() could be used to specify the title but there wasn't a way to retrieve the current title. You had to decide between text and html, but now it doesn't matter; you always get full HTML capabilities.
These changes are not fully compatible with previous versions of GlowScript, which is why the version number has been changed to 2.1, but older versions will continue to work as before. Another reason for the changes has to do with making the Jupyter version of VPython work well.
Changes to the use of jQuery: If you use jQuery to display widgets (buttons, sliders, menus), see this documentation on changes to how to reference the title, caption, and print regions of the page.
2016 Jan. 24: GlowScript 2.0
2015 Dec. 21: Update of files that permit operator overloading (being able to add two vectors a and b simply as a+b) and the ability to use synchronous code (such as infinite loops) thanks to files supplied by Salvatore di Dio. Changes to Firefox made this update necessary. An added bonus was that GlowScript now runs on Internet Explorer and Edge.
2015 Oct. 18: Implement display.delete(), gdisplay.delete(), and the ability to delete a set of data from a graph. Add to the make_trail machinery the ability to set trail_color and trail_radius without having to reference trail_object.
2015 Oct. 15: scene.mouse.pos now always contains the up-to-date mouse information, which makes it possible to drag objects with the mouse buttons up.
2015 Sept. 19: Implement the standard Python string.format mechanism.
2015 August 27: Improve sphere and curve rendering; provide textures.earth.
2015 August 2: Implement simple editor as alternative to the ACE editor, so that it is now possible to edit programs on mobile devices.
2015 June 23: Implement Python-style string formatting.
2015 June 3: Ring is now a regular primitive and supports transparency.
2015 April 21: Add factorial and combin functions.
2015 Feb. 22: Enable transparency on mobile devices.
2015 Jan. 20: Support touch inputs on touch-sensitive devices.
2014 October 25: Released GlowScript 1.1. Support added for RapydScript, a Python look-alike, with much help from Alexander Tsepkov, Charles Law, and Salvatore di Dio. CoffeScript compiler updated, which among other things means that 3**4 now equals 81. Also, jquery and jquery-ui updated thanks to the work of Adam Thompson, who also added the ability to place print output to the right of the canvas and improved resizing of a canvas.
2012 October 10: Textures can now use images from other ("CORS-enabled") web sites. GlowScript programs run well on the latest version of Firefox for Android (smartphones and tablets), though you can't yet rotate the camera, and transparency is buggy.
2012 September 12: Add functions compound_to_world, world_to_compound, pixel_to_world, print, print_options, get_library, and read_local_file. Improve rate behavior for high rate values.
2012 May 30: Version 1.0 implements triangles and quads, based on vertex objects, which make it possible to design your own objects and even change their shape dynamically. Also new are compound (groups of objects that can be manipulated as though they were one object) and clone (make a copy of an existing object). David Scherer made major contributions to the design of these new features. Also, the curve object now permits rapid change of position, size, and orientation, and the array scene.objects now includes label objects.
2012 March 27: Transparency added to version 0.7. You can set the opacity of an object, with default = 1 (fully opaque); 0 is completely transparent.
2012 Jan. 29: Release GlowScript version 0.7. The major new capability is textures, including bump maps (normal maps), for objects other than curves (and the curve-like objects helix and ring). Other new features include shininess, emissive, and scene.visible. Changes were made to require named arguments for object.rotate, vector.rotate, local and distant lights, and scene.mouse.project. Improved glowscript.org front page thanks to Tim Sherwood.
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