def __createPolyShape(info: 'Dict[str, Any]') -> 'Poly':
points = tuple(
(point.get('x', 0), point.get('y', 0)) for point in info['Point'])
shape = Poly(None, points)
shape.mass = info['mass']
shape.elasticity = info.get('elasticity', 0.5)
shape.friction = info.get('friction', 0.5)
return shape
