Animated GIF of rotating 3D rendered coin

by bloody-albatross 4 months ago

GNU/Linux ◆ xterm-256color ◆ bash 494 views

I wrote a tiny tool to display images (including animated GIFs) in the terminal. Couldn’t record it for longer because it generates too big of a recording file.

This uses the Unicode block elements █, ▄, and ▀ plus 24-bit color ANSI escape sequences to set foreground and background colors in order to render two pixels for each character. Not every terminal supports these escape sequences, and some that do downsample the color quite heavily. Also some terminals don’t render the characters perfectly and sometimes leave small gaps.

More info and download the tool from my GitHub: https://github.com/panzi/ansi-img

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You can download this recording in asciicast v2 format, as a .cast file.

Download

Replay in terminal

You can replay the downloaded recording in your terminal using the asciinema play command:

asciinema play 668885.cast

If you don't have asciinema CLI installed then see installation instructions.

Use with stand-alone player on your website

Download asciinema player from the releases page (you only need .js and .css file), then use it like this:

<!DOCTYPE html>
<html>
<head>
  <link rel="stylesheet" type="text/css" href="asciinema-player.css" />
</head>
<body>
  <div id="player"></div>
  <script src="asciinema-player.min.js"></script>
  <script>
    AsciinemaPlayer.create(
      '/assets/668885.cast',
      document.getElementById('player'),
      { cols: 80, rows: 40 }
    );
  </script>
</body>
</html>

See asciinema player quick-start guide for full usage instructions.

While this site doesn't provide GIF conversion at the moment, you can still do it yourself with the help of asciinema GIF generator utility - agg.

Once you have it installed, generate a GIF with the following command:

agg https://asciinema.org/a/668885 demo.gif

Or, if you already downloaded the recording file:

agg demo.cast demo.gif

Check agg --help for all available options. You can change font family and size, select color theme, adjust speed and more.

See agg manual for full usage instructions.