Proposed AgentScript state model

gistfile1.js

{
  "agentProperties": {
    "rain": ["breed","y","x","heading"],
    "evap": ["breed","y","x","heading"]
  },
  "agents": [
    ["rain",86,-15,3.141592653589793],
    ["rain",86,-247,0],
    ["rain",86,-260,0],
    ["rain",87,201,3.141592653589793],
    ["rain",4,-399,4.71238898038469],
    ["rain",86,-229,0],
    ["rain",87,68,3.141592653589793],
    ["rain",87,336,3.141592653589793],
    ["rain",86,-313,3.141592653589793],
    ["rain",87,203,3.141592653589793],
    ["rain",86,-28,3.141592653589793],
    ["rain",70,-399,3.141592653589793],
    ["rain",86,-174,3.141592653589793],
    ["rain",87,77,0],
    ["rain",87,46,0],
    ["rain",87,171,0],
    ["evap",126.22931327170646,127.2857512071567,1.8325957145940461],
    ["evap",114.60534585553938,-341.10908466211396,0.8726646259971648],
    ["evap",114.9782463857133,106.45107515912201,1.8325957145940461],
    ["evap",112.61549236042204,-396.33767897992783,1.5707963267948966],
    ["evap",109.91334566379234,261.81523003512643,2.0245819323134224],
    ["evap",107.74173719912743,182.11580433081807,1.8151424220741028],
    ["evap",105.72147112563057,134.15539439726672,2.076941809873252],
    ["evap",104.94456822732334,-392.32878602239776,1.8675022996339325],
    ["evap",101.72211851675144,-129.3427619752801,2.1467549799530254],
    ["evap",100.8451382401665,206.11491335237466,1.7976891295541593],
    ["evap",96.0145241500122,-39.99084143746524,1.8151424220741028],
    ["evap",93.32700557240167,302.8801400149459,1.9896753472735356],
    ["evap",90.6974985100658,39.22113685612328,1.5882496193148399],
    ["evap",88.95615245111942,-229.69017588883997,1.5533430342749535]
  ],
  "patchProperties":[ /* Similar to above */ ],
  "patches":[ /* Similar to above */ ]
}