[KJS]

you have to say like but for all directions. this will make them wave back and forth kind of and to get more into it you have to add more things like that.. You could also add an onwall thing to it and stuff.. I am just giving you the basics. (This is just 1 way you would have to make the rest).
if(playerdir=0){
playerx--;sleep 0.1;
playerx++;sleep 0.1;
playerx++;sleep 0.1;
playerx--;sleep 0.1;
}