Building games with Astra

A developer describes using Astra through Codex to build and refine several browser games, most notably Void Explorer, a procedurally generated space exploration game with 2,048 star systems and more than 10,000 planets that players can travel between continuously from orbit to on-foot planetary exploration. The project combines TypeScript, Vite, Three.js, WebGPU rendering, procedural terrain, Web Workers, large-scale coordinate systems, level-of-detail streaming, and browser-based testing to manage real-scale distances while maintaining visual continuity and responsive controls. Generated concept art guided the visual style, while Astra helped propose architecture, inspect game state, reproduce issues, implement changes, and run performance and journey tests covering travel, landing, walking, saving, and takeoff. Performance work reduced unnecessary terrain geometry, data transfer, and discarded generation jobs, though the reported measurements were controlled test results rather than hardware frame-rate benchmarks. The account also discusses creating an authored Blender ship asset for Void Explorer, procedural water and boat physics in Sunwake, and code-drawn reactive water systems in the 2D game Hollowflux, presenting an iterative workflow in which human playtesting and creative direction are paired with AI-assisted implementation, testing, and deployment.

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