supertux/data/images/particles/rock.sprite

(supertux-sprite

  (action
    (name "rock-0")
    (hitbox 10 10 8 8)
    (images "rock-0.png"))

  (action
    (name "rock-1")
    (hitbox 10 10 8 8)
    (images "rock-1.png"))

  (action
    (name "rock-2")
    (hitbox 10 10 8 8)
    (images "rock-2.png"))

  (action
    (name "rock-3")
    (hitbox 10 10 8 8)
    (images "rock-3.png"))

  (action
    (name "rock-4")
    (hitbox 10 10 8 8)
    (images "rock-4.png"))
  
)