xcode - When I try to switch to a new SKScene the scene gets smaller -

xcode - When I try to switch to a new SKScene the scene gets smaller -

i trying create game have jump on obstacles. if nail obstacle changes different scene score scene wide not tall , don't know why? code:

skscene *newscene = [[wenewscene alloc] initwithsize:self.size]; sktransition *doors = [sktransition doorseclosehorizontalwithduration:1.0]; [self.view presentscne:newscene transition:doors];

xcode sprite-kit skscene