var json = {

    boxes: [],

    balls: []

  };

  for (var i = 0; i < objects.length; i++) {

    var object = objects[i];

    var type = object.type;

    var x = object.body.position.x;

    var y = object.body.position.y;

    var w, h, r, options;

    if (type == SBOX || type == MBOX) {

      w = object.w;

      h = object.h;

      options = object.options;

      json.boxes.push({

        x: x,

        y: y,

        w: w,

        h: h,

        options: options,

        type: type

      });

    } else {

      r = object.r;

      options = object.options;

      json.balls.push({

        x: x,

        y: y,

        r: r,

        options: options,

        type: type

      });

    }

  }

  saveJSON(json, "objects.json");

}

​

function loadFile(json) {

  print(loadJSON(json));

  boxes = json.boxes;

  balls = json.balls;

  for (var i = 0; i < boxes.length; i++) {

    var loadedBox = boxes[i];

    var ox = loadedBox.x;

    var oy = loadedBox.y;

    var ow = loadedBox.w;

    var oh = loadedBox.h;

    var ooptions = loadedBox.options;

    objects.push(new Box(ox, oy, ow, oh, ooptions));

  }

  for (var j = 0; j < balls.length; j++) {

    var loadedBall = balls[i];

    var ax = loadedBall.x;

    var ay = loadedBall.y;

    var ar = loadedBall.r;

    var aoptions = loadedBall.options;

    objects.push(new Ball(ax, ay, ar, aoptions));

  }

}