[squeak-dev] Why does BouncingAtomsMorph fudge bounds

Lawson English lenglish5 at cox.net
Sun Jan 29 06:16:45 UTC 2012

Why would you expect good documentation for THIS particular morph as 
opposed to all the rest?

Not trying to be funny, so much as just pointing out that it is a 
well-known issue with virtually all classes in Smalltalk, especially 
those that are part of someone's pet project.


On 1/28/12 10:10 PM, Sean P. DeNigris wrote:
> AtomMorphs take their topLeft as their position. This causes them to bounce
> past the bottom and right edges of their container by "atom width" and "atom
> height" respectively.
> Then, BouncingAtomsMorph comes to the rescue in #step with:
> r _ bounds origin corner: (bounds corner - (8 at 8)).
> Why was this done this way? Was it to make the AtomMorph's method look like
> more purely like a mathematical formula for a particle? If so, this makes
> sense, but a comment documenting the intent would be really nice.
> Sean
> --
> View this message in context: http://forum.world.st/Why-does-BouncingAtomsMorph-fudge-bounds-tp4337653p4337653.html
> Sent from the Squeak - Dev mailing list archive at Nabble.com.

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