GoKawiilAround The World developer builds custom ray tracer to fix cloud lighting
Thomas ten Cate, developer of the sailing exploration game Around The World, found that POV-Ray was not simulating multiple light scattering inside clouds, leaving a lookup table that made cloud undersides too dark. He wrote his own multithreaded Monte Carlo ray tracer in Rust to generate a more accurate scattering table, producing a lighter, more realistic cloud appearance.
GoKawiil's interpretation of the reporting above, not reported fact.
The fix illustrates how indie developers often have to build bespoke tools when off-the-shelf renderers fall short on niche physical simulation needs. This kind of lighting accuracy could meaningfully improve the visual believability of the game's sky and sea environment, which ten Cate has flagged as a priority during playtesting.
- POV-Ray reportedly does not simulate multiple light scattering in clouds.
- Developer built a custom Rust-based Monte Carlo ray tracer to generate accurate scattering data.
- New lookup table produces lighter, more uniformly lit cloud rendering in the game.
Source: frozenfractal.com, 2026-10-16
Published there as: “Rendering pretty sky in Around The World game”
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