My Instant Radiosity

最新推荐文章于 2021-12-31 15:48:28 发布

原创最新推荐文章于 2021-12-31 15:48:28 发布 · 1k 阅读

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本文介绍了一种名为InstantRadiosity的全局光照算法，并通过两步实现：首先使用传统光线追踪记录漫反射点光源，然后计算这些光源产生的漫反射照明。实验采用包含1418个多边形的维纳斯模型进行验证。

Instant Radiosity is an interesting GI algorithm. It is simpler and has less jaggies comparing with the Monte-Carlo group of radiosity algorithms.

Currently I have implemented it by two passes: the first pass is the traditional ray-tracing algorithm and the only difference is that diffuse point lights will be recorded; the second pass computes the diffuse illumination using the diffuse point lights recorded in the first pass.

Check it out :

Instant Radiosity - Scene 2

Setup:
- 1418 triangles in the Venus model (Gourand Shading mode)
- BSP acceleration for scene and the Venus object
- 0.2% possibility of putting diffuse point lights per ray. (Higher value results better quality images)
- not smoothed yet…

Further development is on-going… just wait for better quality & more complex scenes !