Hopscotch (programming language): Difference between revisions

Revision as of 23:15, 10 March 2020

Revision as of 04:53, 15 August 2020

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'''Hopscotch''' is a [[visual programming language]] developed by Hopscotch Technologies, designed to allow young or beginner [[programmers]] to develop simple projects. Its simple [[User interface|UI]] allows its users to drag and drop blocks to create scripts that can be played when activated. Although the language is easy to use for simple programming, it lacks the power to be used for more complex programs. The use of the language is through an iPad or iPhone supporting Hopscotch.<ref name="Hanselminutes Podcast">[http://www.hanselminutes.com/417/i-am-teaching-my-daughter-to-code-with-hopscotch-fitzgerald-steele Hanselminutes Podcast, Show #417], Apr 04, 2014, titled "I am teaching my daughter to code with Hopscotch - Fitzgerald Steele", 30-minute interview with father whose daughter tried Hopscotch app on iPad.</ref>

==Software development==

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=== Editor history ===

The Hopscotch Editor is available on iPhone and iPad. The iPhone version only supported viewing projects until early 2016,<ref>{{Cite web|url=https://forum.gethopscotch.com/t/help-us-test-the-new-iphone-app/10154|title=Help us test the *new* iPhone app!|website=Hopscotch Forum|language=en|access-date=2018-05-06}}</ref> when an update supporting editing and account functionality was released. The Hopscotch iPhone projects play in an iPhone format even inon the iPad and web player.

=== When blocks/inputs ===

When inputs are the trigger for the script to activate, when a "when" block's input is true (the "when project starts" when the block is triggered when one opens the player or taps the refresh button)

<blockquote>list of "when" blocks:</blockquote><blockquote>play button is tapped</blockquote><blockquote>character is tapped</blockquote><blockquote>iPad (iPhone) is tapped</blockquote><blockquote>() is tapped</blockquote><blockquote>() is pressed</blockquote><blockquote>() bumps ()</blockquote><blockquote>() is touching ()</blockquote><blockquote>iPad (iPhone) is tilted (up, down, left, right)</blockquote><blockquote>iPad (iPhone) detects a loud noise</blockquote><blockquote>iPad is shaken</blockquote><blockquote>() is swiped (up, down, left, right)</blockquote><blockquote>() equals ()</blockquote><blockquote>() > ()</blockquote><blockquote>() < ()</blockquote><blockquote>() != ()</blockquote><blockquote>object is cloned</blockquote><blockquote>(>,<,=,!=) (and, or) (>,<,=,!=)</blockquote>

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=== Code blocks ===

Code blocks are the actions completed when the blocks are triggered, code blocks fall into 6 categories: abilities, movement, drawing, looks & sounds, values, and control flow.

Drag these into and out of the scripts to modify them. Movement blocks make the character move physically on the screen. Ability blocks let you make your own subprogram blocks to duplicate code in a Hopscotch project. Drawing blocks make an object draw stuff. There are 2 “draw” blocks, Draw a Trail and Clear. Draw a trail that draws a trail of selected color and width. There are HSB and RGB options for color. Width is determined by the amountnumber of pixels in that trail (citation needed). Looks & sounds blocks are blocks whichthat change the object's looks (such as size, invisibility, and color). Value blocks are blocks that set a value to a specific number or change a value by a specific number. Finally, control flow blocks can either repeat a code multiple or infinite times, or add a condition which will make the code inside it execute only if the condition is matched. There is 1 exception, the “Create a Clone” block creates a clone of the object. The clone will not execute any of the code programmed for the original object. That's the job of the “When an object is cloned” block.<!-- This section needs to be completed. -->

=== Drawing blocks ===

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=== Webplayer ===

The "player" is also available on the web (known as the "Webplayer"). The webplayerweb player brings Hopscotchs projects to almost any browser. It is designed to work the same as the in-app player. Although, the webplayerweb player does not have any functionality for coding, uploading, or liking projects. The web version of a project is only accessible via its unique link that is formatted like this: <nowiki>https://c.gethopscotch.com/p/(project</nowiki> id)

== Languages ==