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Difference between revisions of "Scratch on RPi"

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(Add in link to sound crash fix)
(Add StickyKeys Fix Link)
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4.  Key presses "Stick" when using KeyPressed Sensor blocks
 
4.  Key presses "Stick" when using KeyPressed Sensor blocks
  
''Fix info to follow''
+
[[Scratch_FixStickyKeys|Fix "Sticky Keys" issue when using Key ... Pressed sensing block]]

Revision as of 23:35, 12 January 2013

Scratch is included on the default Raspian distribution and all comments here refer to Scratch on the latest Raspbian image.

For a full information on how to use and program using Scratch, please refer to the main Scratch website.

This page was created to allow people to improve the performance of the current default Scratch implementation which has not been optimised for the RPi.

There are some known bugs which can be fixed or alleviated with some little fixes.

It is our (simplesi and all the others) intention to implement an auto-update script that can do all the necessary work automatically but at the moment things have to be done step-by-step

Known Issues that can be improved upon

1. Scratch runs slowly in general.

Increase the speed of your RPi by using the turbo-mode option within Raspbian. This gives increased CPU speed during intensive work and makes a noticeable effect when editing and running complex scripts.

2. Scratch runs very slowly when variables are displayed on the screen (high scores etc)

Fix Variable Display Slowness Issue

3. Using Sound blocks causes crashes

Fix Crashes when using Sound blocks

4. Key presses "Stick" when using KeyPressed Sensor blocks

Fix "Sticky Keys" issue when using Key ... Pressed sensing block