{
  "canvas":
  {
    "width":  400,
    "height": 300
  },

  "model":
  {
    "ball":
    {
      "r":   10,
      "pos": { "x": { "min": 10, "max": 390 },
               "y": { "min": 10, "max": 290 }
             },
      "vel": { "x": { "min": 50, "max": 200 },
               "y": { "min": 50, "max": 200 }
             }
    }
  },

  "view":
  {
    "ball":
    {
      "color":       "#55AA55",
      "borderWidth": 2,
      "borderColor": "#000000"
    }
  },

  "game":
  {
    "fps": 60
  }
}