This is an homage to Lisbon and its walls covered with azulejos.

These generative azulejos are created using p5js only.

The canvas size gets adjusted to the browser window.
Press key [ 1 ] or [ 2 ] or [ 3 ] to redraw with "low" or "medium" or "high" quality resolution (default is “low” quality).
Press [ S ] at any moment to save a screenshot.
Press [ Q ] to redraw and save using the best quality (9900x7000 resolution, the file should be around 30 Mo).

Viewing in desktop Chrome is recommended for the best results.