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Line 137: − − ==Looking under the hood== − − Turtle Art projects are stored as a .ta file contains a [http://docs.python.org/library/json.html json-encoded] serialization of the project. − − The json encoding of a repeat 4 forward 100 right 90 project: − − [[0,"repeat",331,158,[null,1,2,null]],[1,["number","4"],417,167,[0,null]],[2,"forward",426,207,[0,3,4]],[3,["number","100"],500,216,[2,null]],[4,"right",426,246,[2,5,null]],[5,["number","90"],500,255,[4,null]],[-1,"turtle",0,0,0,0,50,5]] − − The basic structure of the encoding is a list of lists, where each block has these elements: − # block number − # block name or [block name, block value] − # x position (depreciated) − # y position (depreciated) − # list of connections to other blocks − − Turtles are encoded at the end of the list: − # -1 − # turtle or [turtle, turtle name] − # x position − # y position − # heading − # pen color − # pen shade − # pen width
Activities/Turtle Art (view source)
Revision as of 19:29, 27 February 2011
, 19:29, 27 February 2011→Looking under the hood
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