[Bugs] #2512 UNSP: physics crashes if you make a make a scribbly ball with the pen

[Sugar Labs Bugs]

#2512: physics crashes if you make a make a scribbly ball with the pen
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    Reporter:  carrott                    |          Owner:  garycmartin                
        Type:  defect                     |         Status:  new                        
    Priority:  Unspecified by Maintainer  |      Milestone:  Unspecified by Release Team
   Component:  Physics                    |        Version:  Unspecified                
    Severity:  Unspecified                |       Keywords:                             
Status_field:  Unconfirmed                |   Distribution:  Dextrose                   
   Seeta_dev:                             |  
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Comment(by garycmartin):

 Box2D/Collision/b2PairManager.cpp:287 seems to be where things bend out of
 shape (thanks for the log), so seems upstream with Box2D is where a real
 fix is needed. Might just have to wrap our pen tool to some hard fixed
 upper  number of points to try and avoid the crash. Should also check what
 the latest Box2D is in case there is already a fix, Physics seems to have
 v2.0.2b1 just now (should make sure we have ARM compatible blob in there
 as well while we're at it).

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Ticket URL: <http://bugs.sugarlabs.org/ticket/2512#comment:1>
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