# \#raytracing-renderer

**URL:** https://discourse.threejs.org/tag/raytracing-renderer/640.md

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## [Three-gpu-pathtracer: A modular shader-based path tracing extension for three.js](https://discourse.threejs.org/t/three-gpu-pathtracer-a-modular-shader-based-path-tracing-extension-for-three-js/36903)

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**Author:** [@gkjohnson](https://discourse.threejs.org/u/gkjohnson)\
**Replies:** 54\
**Last updated:** [October 1, 2026, 9:00am UTC](https://discourse.threejs.org/t/three-gpu-pathtracer-a-modular-shader-based-path-tracing-extension-for-three-js/36903 "2026-10-01T09:00:02Z")

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Hello! Over the last several months I’ve been working on a high fidelity, physically based path tracer based on my three-mesh-bvh project and have just released the initial version! It includes material features such as …

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## [How do I make an original POV-ray texture and use it in a Three.js scene?](https://discourse.threejs.org/t/how-do-i-make-an-original-pov-ray-texture-and-use-it-in-a-three-js-scene/63697)

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**Author:** [@Somgolie\_Ejinkeonye](https://discourse.threejs.org/u/Somgolie_Ejinkeonye)\
**Replies:** 6\
**Last updated:** [April 5, 2024, 8:07pm UTC](https://discourse.threejs.org/t/how-do-i-make-an-original-pov-ray-texture-and-use-it-in-a-three-js-scene/63697 "2024-04-05T20:07:03Z")

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I got this question from my teacher but I have no clue at all what it’s talking about?? I know a little what Pov-Ray is and how the code works but how can I import a Pov-ray texture and use it in a Three.js scene? “The …

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## [Can't add lights to pathtracing scene](https://discourse.threejs.org/t/cant-add-lights-to-pathtracing-scene/55111)

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**Author:** [@Vikms95](https://discourse.threejs.org/u/Vikms95)\
**Replies:** 4\
**Last updated:** [August 21, 2023, 2:51pm UTC](https://discourse.threejs.org/t/cant-add-lights-to-pathtracing-scene/55111 "2023-08-21T14:51:27Z")

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Hi all. I’m trying to figure out how to insert lights within a pathtracing generated scene. Link to the relevant codesanbox: In this example, I added a red RectAreaLight within lines 116-131. I copied the methods that…

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## [Octree injection for faster raycasting/raytracing](https://discourse.threejs.org/t/octree-injection-for-faster-raycasting-raytracing/8291)

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**Author:** [@EliasHasle](https://discourse.threejs.org/u/EliasHasle)\
**Replies:** 6\
**Last updated:** [November 28, 2021, 1:47pm UTC](https://discourse.threejs.org/t/octree-injection-for-faster-raycasting-raytracing/8291 "2021-11-28T13:47:58Z")

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\*\*NEW update: I never really established a proper repository for this, and it seems I have let through some serious bugs. I refer to corrected versions by @Nick\_Drobchenko here: Octree injection for faster raycasting/ray…

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## [I'd like to ask if there is any THREE.JS Available renderers (ray tracing)](https://discourse.threejs.org/t/id-like-to-ask-if-there-is-any-three-js-available-renderers-ray-tracing/17687)

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**Author:** [@Jack\_1](https://discourse.threejs.org/u/Jack_1)\
**Replies:** 4\
**Last updated:** [August 6, 2020, 7:19am UTC](https://discourse.threejs.org/t/id-like-to-ask-if-there-is-any-three-js-available-renderers-ray-tracing/17687 "2020-08-06T07:19:40Z")

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Hi! Hello, everyone. I’d like to ask if there is any THREE.JS Available renderers (ray tracing)

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## [\[SOLVED\] Can't display displaced BufferGeometry using RaytracingRenderer](https://discourse.threejs.org/t/solved-cant-display-displaced-buffergeometry-using-raytracingrenderer/8236)

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**Author:** [@aceslowman](https://discourse.threejs.org/u/aceslowman)\
**Replies:** 7\
**Last updated:** [June 26, 2019, 9:53pm UTC](https://discourse.threejs.org/t/solved-cant-display-displaced-buffergeometry-using-raytracingrenderer/8236 "2019-06-26T21:53:45Z")

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I am working on a feature where I can switch between WebGLRenderer and RaytracingRenderer. So far it is working, but with a few issues: The intensity of lights has to be incredibly high, which means that my lighting lo…