17 * This can be "grow", "fireflower" or "iceflower" at the moment
19 virtual void set_bonus(const std::string& bonus) = 0;
23 virtual void add_coins(int count) = 0;
25 * Make tux invicible for a short amount of time
27 virtual void make_invincible() = 0;
29 * Deactivate user input for Tux
31 virtual void deactivate() = 0;
33 * Give control back to user
35 virtual void activate() = 0;
39 virtual void walk(float speed) = 0;
41 * Set player visible or not visible
43 virtual void set_visible(bool visible) = 0;
45 * returns true if the player is currently visible (that is he was not set
46 * inivisible by the set_visible method)
48 virtual bool get_visible() = 0;