code: function poly2path(polygon) {
    var pos = polygon.pos;
    var points = polygon.calcPoints;
    var result = 'M' + pos.x + ' ' + pos.y;
    result += 'M' + (pos.x + points[0].x) + ' ' + (pos.y + points[0].y);
    for (var i = 1; i < points.length; i++) {
      var point = points[i];
      result += 'L' + (pos.x + point.x) + ' ' + (pos.y + point.y);
    }
    result += 'Z';
    return result;
  }
docs: Converts a SAT.Polygon into a SVG path string.