There are 2 repositories under desktoppet topic.
A draggable desktop bunny companion with original art. It eats, sleeps, and walks at the bottom of your screen. Also includes physics to simulate gravity.
A desktop pet, but it's Kirby. Includes drag and physics mechanisms :)
复刻人工桌面 原宠版 Reprint NovaDesktop Pet
复刻人工桌面官网(鹿鸣) Reprint N0vaDesktop Web