本帖最后由 微笑的猫 于 2024-6-24 16:26 编辑
Expanse - Volumetric Skies系列索引：
Expanse - Volumetric Skies, Clouds, and Atmospheres in HDRP 1.3 下载链接
Expanse - Volumetric Skies, Clouds, and Atmospheres in HDRP 1.5.2 下载链接
Expanse - Volumetric Skies, Clouds, and Atmospheres in HDRP 1.6.8 下载链接
Expanse is a state of the art volumetrics tool for HDRP that gives you the power to author beautiful skies, clouds, and fog banks. In as little as 15 minutes, you can create compelling and interactive atmospheres---earthly, mythical, and stylized.
The rendering and authoring strategies that Expanse uses are based on the most recent production-focused papers coming out of conferences like SIGGRAPH and EGSR. Every component of Expanse is physically-based, allowing for unprecendented realism and consistency across different lighting conditions.
Expanse is a fully dynamic system that can be adjusted in realtime, with no precomputed lookups that slow down the authoring process. Things like cloud coverage, fog density, and time of day can easily be animated with keyframes or scripted to create different weather scenarios. All the changes you make are visible in the editor, so you can tweak your sky without ever having to enter play mode.
Expanse is also performance-optimized for realtime applications. You can pick and choose between a number of quality/performance tradeoffs to optimize your sky to hit your frame time requirements. For reference, on a last-gen 2080 Ti, Expanse can render an entire sky with volumetric atmosphere, clouds, and fog in under 0.7ms.
While not necessarily VR-first, Expanse does support single pass instanced VR. Support is still experimental in nature, but will gradually transition to being labeled "production ready" as more users test it. Expanse only supports the VR platforms that HDRP supports.
Expanse 是一款适用于 HDRP 的最先进的体积测量工具，能让您制作出美丽的天空、云层和雾库。只需 15 分钟，您就可以创建出引人注目的交互式氛围--地球的、神话的和风格化的。
Expanse 使用的渲染和创作策略是基于 SIGGRAPH 和 EGSR 等会议上发表的最新制作论文。Expanse 的每个组件都以物理为基础，因此在不同的照明条件下都能达到无与伦比的真实感和一致性。
Expanse 是一个完全动态的系统，可以进行实时调整，不需要预先计算查找，以免拖慢创作进程。云层覆盖率、雾密度和一天中的时间等都可以轻松地通过关键帧或脚本动画来创建不同的天气场景。您所做的所有更改在编辑器中都是可见的，因此您无需进入播放模式就能调整您的天空。
Expanse 还针对实时应用进行了性能优化。你可以在一系列质量/性能权衡中进行选择，以优化你的天空，满足你的帧时间要求。作为参考，在上一代 2080 Ti 上，Expanse 可以在 0.7 毫秒内渲染带有体积大气、云和雾的整个天空。
虽然 Expanse 不一定是 VR 先驱，但它支持单通道实例 VR。目前，Expanse 对 VR 的支持仍处于实验阶段，但随着测试用户的增多，将逐步过渡到 "可投入生产 "阶段。仅限 Expanse
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