# scenes.ludic - every scene the lab can show, added by whoever has something to look at:
#   def LabScenes deer { setup: fn deer_setup, tick: fn deer_tick }
# setup builds what the scene shows and names its cameras (lab_shot); tick, if any, moves it each
# frame by the lab's fixed step; draw, if any, draws what is not an actor or a scatter layer.
export property LabScene {
  key: string = ""
  setup: fn() -> void = null
  tick: fn(float) -> void = null
  draw: fn() -> void = null
}
export open registry LabScenes of LabScene as LAB

export function lab_scene_names() -> string {
  var s = ""
  for i in 0 .. LAB_COUNT {
    if i > 0 { s = s + ", " }
    s = s + LabScenes[i].key
  }
  return s
}