Changes between Initial Version and Version 1 of Ticket #945


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Timestamp:
03/09/08 00:44:33 (5 years ago)
Author:
ArcRiley
Comment:

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  • Ticket #945 – Description

    initial v1  
    11Easy one: 
    22 
    3 Write a datatype called BodyPosition.  The __cinit__ will take the Body it's to use as a required argument and store it in self. 
     3Write a datatype called !BodyPosition.  The __cinit__ will take the Body it's to use as a required argument and store it in self. 
    44 
    5 It will appear and work much like a Python list, except no .append .remove .pop etc (since it's size is immutable).  Attempts to access or set (__getitem__ and __setitem__ python methods) dimensions > 3 will raise a IndexError: position index out of range 
     5It will appear and work much like a Python list, except no .append .remove .pop etc (since it's size is immutable).  Attempts to access or set (__getitem__ and __setitem__ python methods) dimensions > 3 will raise a !IndexError: position index out of range 
    66 
    7 Setting one of it's items via BodyPosition[0] = will set the parent instance's ._position[0].  A similar interface could be available via BodyPosition.x (x property). 
     7Setting one of it's items via !BodyPosition![0] = will set the parent instance's ._position![0].  A similar interface could be available via !BodyPosition.x (x property). 
    88 
    9 Body.position.__get__ should return an instance of this class.  Body.position.__set__ should accept a tuple, list, or BodyPosition.  The latter will copy another Body's .position at that moment. 
     9Body.position.__get__ should return an instance of this class.  Body.position.__set__ should accept a tuple, list, or !BodyPosition.  The latter will copy another Body's .position at that moment.