message: credit to the animation author
diff: //! An example showcasing animation using `keyframe`.
  //! Includes tweening and frame-by-frame animation.
  +//! Credit for the animation goes to [Dead Revolver](https://deadrevolver.itch.io/pixel-prototype-player-sprites)
  use ggez::event;
  use ggez::graphics::{self, Color, DrawParam, FilterMode, Rect, Text, TextFragment};
  