[squeak-dev] Re: NuScratch source on SqueakMap

marcel.taeumel Marcel.Taeumel at hpi.de
Mon Jun 20 15:03:26 UTC 2016


tim Rowledge wrote
> There is now a SM entry pointing to a SqueakSource copy of the current
> NuScratch as per the Raspberry Pi. It is a rather substantial collection
> of bug fixes, performance improvements, tidy-ups, speed-ups etc to the
> original Scratch developed by the MIT team. Project files read and saved
> are fully compatible with the original system.
> 
> It runs on modern Squeak systems - I use a 5.0 with updates and it is
> likely that it won’t run perfectly on anything earlier than say #15852
> because some time around then the help balloon stuff changed. I use a
> Cog/Spur system and make no representation about how well it might work on
> a non-spur or non-Cog system - I just don’t know and don’t really care.
> 
> On a RaspberryPi3 it runs large game-like Scratch programs about twice as
> fast as the original Scratch (a 2.8-ish image on a contemporary
> interpreter) runs on a modest mac laptop. Or to put it another way, it’s
> about a gazillion times faster than original Scratch on the same Pi.
> 
> The licensing remains as per the Scratch Source Code License (google it).
> You will need to download and unzip a copy of
> http://download.scratch.mit.edu/source-code/ScratchSkin1.4.zip *before*
> attempting to install the package.
> 
> It does *not* include the RaspberryPi specific GPIOServer code; that will
> appear in a separate package soon. That provides a way to drive al sorts
> of fun add-on hardware from Scratch - and indeed the lower level driver
> code for that provides a general Squeak access to the gpio pins and
> add-ons.
> 
> tim
> --
> tim Rowledge; 

> tim@

> ; http://www.rowledge.org/tim
> Useful Latin Phrases:- Fac ut vivas. = Get a life.

Hi Tim,

if you have troubles with the NewBalloonMorph, try disabling the preference
"use new balloon morphs".

We are still working on harmonizing both. The new one has no good support to
not appear at the mouse cursor. :-)

Best,
Marcel



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