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35 changes: 35 additions & 0 deletions content/posts/newsletter-020/index.md
Original file line number Diff line number Diff line change
Expand Up @@ -536,6 +536,41 @@ cleanup, tweaks, optimization, and finally packaging the GUI up.
[GTK]: https://gtk.org/
[gtk4-rs]: https://github.com/gtk-rs/gtk4-rs#gtk4-rs-

### [Bitmapflow]

![Bitmapflow interpolating a walking mech animation](bitmapflow.gif)
_Bitmapflow interpolating a walking mech animation_

Bitmapflow ([GitHub][Bitmapflow-GitHub]) by [@bauxitedev] is a tool to help you
generate [inbetweens] for animated sprites. In other words, it makes your
animations smoother. It uses [optical flow] to try to guess how the pixels move
between frames, and blends them accordingly. The results are far from perfect,
and probably require some editing by hand afterwards, but it can produce decent
results.

It supports loading and saving animated gifs, spritesheets and individual
frames.

The tool is written using godot-rust and executables are available for Windows,
although Linux support will be coming soon. (If you compile the program from
source, it already works on Linux.)

A full demonstration and walkthrough of the program is available on
[YouTube][Bitmapflow-Youtube].

You can try it out yourself on [itch.io][Bitmapflow-Itch].

_Discussions: [/r/rust_gamedev][Bitmapflow-Reddit]_

[Bitmapflow]: https://github.com/Bauxitedev/bitmapflow
[Bitmapflow-GitHub]: https://github.com/Bauxitedev/bitmapflow
[Bitmapflow-Youtube]: https://www.youtube.com/watch?v=rC359dDAMiI
[Bitmapflow-Reddit]: https://www.reddit.com/r/rust_gamedev/comments/mjw90q/introducing_bitmapflow_a_tool_to_generate/
[Bitmapflow-Itch]: https://bauxite.itch.io/bitmapflow
[@bauxitedev]: https://twitter.com/bauxitedev
[inbetweens]: https://en.wikipedia.org/wiki/Inbetweening
[optical flow]: https://en.wikipedia.org/wiki/Optical_flow

### [FemtoVG]

![femtovg](femtovg.png)
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