yichang 3d
A free GLSL demo — play it in your browser, no install. Single-file offline 3D map of the Three Gorges / Yichang — real terrain, satellite imagery, volumetric clouds. Also playable as a Bilibili Toy (in China).
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Controls: Orbit the map: one-finger drag (or left-drag) · Zoom: pinch (or mouse wheel)
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Open the live demo Source on GitHubFrom the README
A single-file, offline 3D map of the Yangtze valley around Yichang (Hubei, China), running entirely in the browser.
Everything lives inside one 32.5 MB .html file: the renderer, the shaders, the interface, the satellite imagery and the elevation model. There is no server, no build step, no package manager and — once downloaded — no network access at all. Open the file and start flying.
The Bilibili Toy build and the GitHub Pages build are the same map, packaged differently. The interactive 3D requires WebGL 2, so an older device may struggle.
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