/* if there is a bad guy over there, remove it */
for(i = 0; i < le_world.bad_guys.size(); ++i)
if(xx == le_world.bad_guys[i].base.x/32 && yy == le_world.bad_guys[i].base.y/32)
/* if there is a bad guy over there, remove it */
for(i = 0; i < le_world.bad_guys.size(); ++i)
if(xx == le_world.bad_guys[i].base.x/32 && yy == le_world.bad_guys[i].base.y/32)