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<big>'''Turtle Art'''</big> | |||
== Introduction == | == Introduction == | ||
Turtle Art is an activity with a Logo-inspired graphical "turtle" that draws colorful art based on snap-together visual programming elements. | Turtle Art is an activity with a Logo-inspired graphical "turtle" that draws colorful art based on snap-together visual programming elements. | ||
Turtle Art is intended to be a stepping stone to the Logo programming language, but there are many restrictions compared to Logo. (Only numeric global variables and stack items are available, no lists or other data-structures. The conditionals and some of the functions only take constants or variables, not expressions. Limited screen real-estate makes building large programs unfeasible.) However, you can export your Turtle Art creations to Berkley Logo. The | Turtle Art is intended to be a stepping stone to the Logo programming language, but there are many restrictions compared to Logo. (Only numeric global variables and stack items are available, no lists or other data-structures. The conditionals and some of the functions only take constants or variables, not expressions. Limited screen real-estate makes building large programs unfeasible.) However, you can export your Turtle Art creations to Berkley Logo. The [http://git.sugarlabs.org/projects/turtleart/repos/arduino-support Arduino fork] of Turtle Art also has a facility for sensor input, so, for example, you can move the Turtle based upon sound volume or pitch. | ||
Turtle Art is in the same tradition as Etoys, Scratch, Lego Mindstorms™, and Lego Microworlds™. | Turtle Art is in the same tradition as Etoys, Scratch, Lego Mindstorms™, and Lego Microworlds™. | ||
Turtle Art is used extensively in Sugar deployments and numerous materials for support in the classroom have been developed. Of course, since Turtle Art is a Logo derivative, many of the classic Logo exercises are well suited for engaging students in Turtle Art. For example, Tony Forster has been [http://tonyforster.blogspot.com blogging about a wide variety of Turtle Art activities]. Gonzalo Odiard has written a [https://sites.google.com/site/godiard/TurtleArt.ppt?attredirects=0&d=1 short introduction to Turtle Art]. | Turtle Art is used extensively in Sugar deployments and numerous materials for support in the classroom have been developed. Of course, since Turtle Art is a Logo derivative, many of the classic Logo exercises are well suited for engaging students in Turtle Art. For example, Tony Forster has been [http://tonyforster.blogspot.com blogging about a wide variety of Turtle Art activities]. Gonzalo Odiard has written a [https://sites.google.com/site/godiard/TurtleArt.ppt?attredirects=0&d=1 short introduction to Turtle Art]. | ||
Turtle Art will let you export your project as PNG, HMTL, SVG or Logo. In other words, you can use Turtle Art to make presentations and as an SVG generator. | |||
More Info: | More Info: | ||
* Turtle Art Sugar Activity [[Activities/ | * Turtle Art Sugar Activity [[Activities/Turtle Art|homepage]] | ||
* Turtle Art gallery (See [http://www.turtleart.org]) | * Turtle Art gallery (See [http://www.turtleart.org]) | ||
* Turtle Art Manual (See [http://en.flossmanuals.net/turtleart]) | * Turtle Art Manual (See [http://en.flossmanuals.net/turtleart]) | ||
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File:100Turtles.png|100 Turtles | File:100Turtles.png|100 Turtles | ||
File:TA-savesvg.svg|SVG output using the save SVG block | File:TA-savesvg.svg|SVG output using the save SVG block | ||
File:TA-multivariable.png|Multi-variable Python blocks | |||
</gallery> | </gallery> | ||
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Minor bugs and feature changes include: | Minor bugs and feature changes include: | ||
83 | 83 | ||
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** save SVG block lets you generate SVG with Turtle Art | ** save SVG block lets you generate SVG with Turtle Art | ||
** improved export-to-HTML logic | ** improved export-to-HTML logic | ||
** new translations | ** new translations (hi) | ||
** multi-variable in-line Python-code blocks | |||
** traceback for checking errors in in-line Python code | |||
* completed a major refactoring of the code | * completed a major refactoring of the code | ||
** | ** download bundle-size is only 40% of previous versions | ||
** faster first-time launch | ** faster first-time launch | ||
** greatly simplified i18n maintenance | ** greatly simplified i18n maintenance | ||
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== Internationalization (i18n) and Localization (l10n) == | == Internationalization (i18n) and Localization (l10n) == | ||
* added fi, hi | |||
== Compatibility == | == Compatibility == | ||
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== Detailed changes == | == Detailed changes == | ||
As of '''Version 83''' | As of '''Version 83''' | ||
* {{Bug|180}} COPYING file is missed | |||
* {{Bug|194}} turtleart: en.po syntax error, breaks build | |||
* {{Bug|240}} [portfolio] named variables cause errors in "+=" | |||
* {{Bug|299}} Permissions for TAPortfolio samples not set correctly? | |||
* {{Bug|472}} Remove unexpected 'save/load' tab from toolbar | * {{Bug|472}} Remove unexpected 'save/load' tab from toolbar | ||
* {{Bug|489}} Turtle Art text entry should use Entry widget | * {{Bug|489}} Turtle Art text entry should use Entry widget | ||
* {{Bug|491}} Turtle Art sharing needs new logic | |||
* {{Bug|673}} Logo program should be displayable in the document View Source | * {{Bug|673}} Logo program should be displayable in the document View Source | ||
* {{Bug| | * {{Bug|1110}} missing mime types | ||
* {{Bug|1220}} sugar 85 olpc fedora11 jhbuild 20aug9 turtle art doesn't start. No log for sugar art in log dir. | |||
* {{Bug|1330}} turtle art clean brick | |||
* {{Bug|1465}} add a start brick upon launching new project in Turtle Art | |||
* {{Bug|1466}} add a trash can to turtle art | |||
* {{Bug|1482}} Turtle Art Activity crash | |||
* {{Bug|1484}} TurtleArt-71 canvas lockup if you enter a number block with a decimal point | |||
* {{Bug|1557}} Moving tiles in TurtleArt let a trace on the screen | |||
* {{Bug|1583}} TurtleArt creates strange tamyblock.py journal entry | |||
* {{Bug|1600}} Marking strings as "not to be translated" and so forth | |||
* {{Bug|1633}} Numeric and text input fails on Turtle Art v81 under Debian 5.0 | |||
* {{Bug|1657}} Turtle Art has some .png images | |||
* {{Bug|1685}} Problem with Spanish translation of "random" | |||
* {{Bug|1840}} activity title should be set to sample name after a sample is loaded | |||
==Open tickets== | ==Open tickets== | ||
* {{Bug| | * {{Bug|155}} Turtle Art with Sensors has different requirements for non-XO hardware | ||
* {{Bug| | * {{Bug|548}} Turtle Art: read and write to text file | ||
* {{Bug| | * {{Bug|552}} Turtle art: reinstate sensor input | ||
* {{Bug|1057}} Turtle Art feature to add support for "pages" | * {{Bug|1057}} Turtle Art feature to add support for "pages" | ||
* {{Bug|1188}} Load samples from turtleart.org | * {{Bug|1188}} Load samples from turtleart.org | ||
* {{Bug|1203}} Rebase Turtle Art graphics on Cairo | * {{Bug|1203}} Rebase Turtle Art graphics on Cairo | ||
* {{Bug| | * {{Bug|1709}} Colors used for block highlighting (current running block vs. error-reporting) | ||
* {{Bug| | * {{Bug|1613}} sound brick only sounds once inside a template | ||
== Credits == | == Credits == | ||
* Walter Bender and Raúl Gutiérrez Segalés (with help from Simon Schampijer) | * Walter Bender and Raúl Gutiérrez Segalés (with help from Simon Schampijer, Matt Gallagher, and Jamie Boisture) | ||
* Especially helpful community feedback from Tony Forster, Ed Cherlin, and Bill Kerr | * Especially helpful community feedback from Tony Forster, Ed Cherlin, Jeff Elkner, and Bill Kerr | ||
* Brian Silverman is the first author of Turtle Art | * Brian Silverman is the first author of Turtle Art | ||