def generate_cat(space):
cat = Body(mass=1, moment=1)
cat_shape = Cat(cat, 15)
cat_shape.elasticity = 1
cat.position = (50, 120)
cat_shape.collision_type = 1
# Setup the collision callback function Cat and Pickle under boost
g = space.add_collision_handler(1, 6)
g.begin = same_elem_collision
space.add(cat, cat_shape)
