our Binky was like that as a puppy he saw our kids faces and feet as toys .. we got him over it with the loud ouch scream then we stood up and ignored him he quickly got the idea that he wouldn't get "played with" ..if he carried on a firm clap of hands and a firm no worked for us ..
even now at 2years+ he cant control his excitement when my daughter practices her ballet routines and he fly's at her feet.. but she has the confidence to bellow no at him to which he sulks of
patience and time are the only tools you need .. good luck!