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Questions tagged [reflection]

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16 votes
1 answer

Choosing Reflection or Refraction in Path Tracing

I am trying to implement refraction and transmission in my path tracer and I'm a bit unsure on how to implement it. First, some background: When light hits a surface, a portion of it will reflect, ...
RichieSams's user avatar
  • 3,782
6 votes
3 answers

Mirror Reflections: Ray Tracing or Rasterisation?

Are mirror-like reflections in computer graphics purely handled with ray-tracing/ray-casting techniques or are there some situations where they are achieved through rasterisation?
Will D's user avatar
  • 115
5 votes
2 answers

Refraction in a Ray Tracer: What do with an intersection within the medium?

I am currently following a tutorial at on refraction Here is the refract function: ...
Arjan Singh's user avatar
  • 2,511
15 votes
1 answer

Radiosity VS Ray tracing

Radiosity is basically what allows this: In a tutorial of Cornell University about Radiosity it is mentioned that: A ray-traced version of the image shows only the light reaching the viewer by ...
Armfoot's user avatar
  • 615