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Javascript/HTML5 port of Turtle Blocks

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TurtleBlocks JS

Turtle Blocks Javascript is an activity with a Logo-inspired graphical "turtle" that draws colorful art based on snap-together visual programming elements. Its "low floor" provides an easy entry point for beginners. It also has "high ceiling" programming, graphics, mathematics, and Computer Science features which will challenge the more adventurous student.

Note: Turtle Blocks JS closely parallels the Python version of Turtle Blocks, the version included in the Sugar distribution. Sugar users probably want to use Turtle Blocks rather than Turtle Blocks JS.

Turtle Blocks

Using Turtle Art JS

Turtle Blocks Javascript is designed to run in a browser. Most of the development has been done in Chrome, but it should also work in Firefox. You can run it directly from index.html, from a server maintained by Sugar Labs, from the github repo, or by setting up a local server.

Once you've launched it in your browser, start by clicking on (or dragging) blocks from the Turtle palette. Use multiple blocks to create drawings; as the turtle moves under your control, colorful lines are drawn.

You add blocks to your program by clicking on or dragging them from the palette to the main area. You can delete a block by dragging it back onto the palette. Click anywhere on a "stack" of blocks to start executing that stack or by clicking in the Rabbit (fast) or Turtle (slow) on the Main Toolbar.

Getting Started Documentation

The basic buttons and basic blocks are explained in detail in Documentation.

A guide to programming with Turtle Blocks is available in Turtle Blocks Guide.

A quick start:

Run your project at full speed

Stop the current project running.

Clear the screen and return the turtles to their initial positions.

Hide or show the block palettes.

Hide or show the blocks and the palettes.

Moves turtle forward.

Turns turtle clockwise (angle in degrees).

Sets color of the line drawn by the turtle.

Sets size of the line drawn by the turtle.

Loops specified number of times.

Top of nameable action stack.

Invokes named action stack.

Google Code-in participant Jasmine Park has created some guides to using Turtle Blocks: Turtle Blocks: An Introductory Manual and Turtle Blocks: A Manual for Advanced Blocks

Reporting Bugs

Bugs can be reported in the Sugar Labs bug tracker or in the issues section of this repository.

Advanced Features

Turtle Blocks has a plugin mechanism that is used to add new blocks. You can learn more about how to use plugins (and how to write them) from the Plugins Guide.

List of Plugins

  • Mindstorms: blocks to interact with the LEGO Mindstorms robotics kit
  • RoDi: blocks to interact with RoDi wireless robot
  • Maths: addition blocks for some more advanced mathematics
  • Translate: blocks for translating strings between languages, e.g., English to Spanish
  • Dictionary: a block to look up dictionary definitions
  • Weather: blocks to retrieve global weather forecasts
  • Logic: blocks for bitwise Boolean operations
  • Finance: a block for looking up market prices
  • Bitcoin: a block for looking up bitcoin exchange rates
  • Nutrition: blocks for exploring the nutritional content of food
  • Facebook: a block for publishing a project to Facebook
  • Heap: blocks to support a heap and for loading and saving data
  • Accelerometer: blocks for accessing an accelerometer
  • Turtle: blocks to support advanced features when using multiple turtles
  • Gmap: blocks to support generation of Google maps.

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Javascript/HTML5 port of Turtle Blocks

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AGPL-3.0, AGPL-3.0 licenses found

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AGPL-3.0
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  • JavaScript 89.5%
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