Credits

Music

Guqin played by Charlie Huang at Shaoyun Xuan, Birmingham (2006, 2013), via Wikimedia Commons.

• CC BY 2.5 “Pingsha Luoyan” (平沙落鴈), “Pei Lan” (佩蘭), “Liu Shui” (流水), “Kongzi Duyi”, “Jiu Kuang”, “Guguan Yu Shen” (its sound, taken from a video)
• CC BY-SA 3.0 “Yangguan Sandie”, “Zuiyu Changwan”
• CC BY-SA 2.5 “Shenren Chang”

All nine recordings are noise-reduced and re-encoded as Opus; the changed CC BY-SA recordings are shared under the same licence. The pieces come from qin handbooks of 1425 to 1876 (public domain).

Textures

Material Maker “Arizona Sandstone” and rock maps (CC0); Poly Haven pine bark and “Farm Soil” by Amal Kumar (CC0)

Tool icons

Poly Haven models (CC0), rendered in ink

Lettering

Painted in Expresii over the skeletons of EMS Readability (SIL Open Font License), the stroke medians of Make Me a Hanzi (Arphic Public License) for the Chinese characters and those of KanjiVG by Ulrich Apel (CC BY-SA 3.0) for the Japanese. Each font keeps its source’s licence; the texts come with the game.

3D

three.js (MIT)

Growth

Space colonisation (Runions et al. 2007), shadow-grid light (Palubicki et al. 2009), pipe model (Shinozaki et al. 1964)

Reading: the bonsai simulator, what penjing is and penjing vs bonsai.

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