Phantom_Platforms create_phantom_platforms(RectLayer *rect_layer);
void destroy_phantom_platforms(Phantom_Platforms pp);
-void phantom_platforms_render(Phantom_Platforms *pp, Camera *camera);
+void phantom_platforms_render(const Phantom_Platforms *pp, const Camera *camera);
void phantom_platforms_update(Phantom_Platforms *pp, float dt);
void phantom_platforms_hide_at(Phantom_Platforms *pp, Vec2f position);