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lirux
PragProg Customers

The Ray Tracer Challenge: "Computing the normal on a transformed sphere" ebook test
Hi Jamis, I think there’s an issue with a test on chapter 6. I own the ebook, version P1.0 Feb. 2019. This test doesn’t pass for me: ...
#errata#book-the-ray-tracer-challenge
3 35 4
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64kramsystem
PragProg Customers

The Ray Tracer Challenge: "discuss" link is broken, possibly also "report erratum" (All pages)
In the book, at the bottom right, there are the “discuss” and “report erratum” links, pointing to: discuss: http://forums.pragprog.com/...
#pragprog#book-the-ray-tracer-challenge
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jdunlap
PragProg Customers

The Ray Tracer Challenge: Implementing Shading Breaks the First Shading Test on P. 95
I am working on Chapter 8 when we add shadows. When this is done, though (on p. 115), the original ShadeHit test no longer passes. This p...
#book-the-ray-tracer-challenge
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duke_meister
PragProg Customers

The Ray Tracer Challenge - where are the errata?
As per the title, thanks.
#book-the-ray-tracer-challenge
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jamis
PragProg Customers

The Ray Tracer Challenge: various errata
The following is cross-posted from the original Ray Tracer Challenge forum, from a post by garfieldnate. I’m cross-posting it so that the...
#errata#book-the-ray-tracer-challenge
1 121 0
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PragmaticBookshelf
Game Developer ForumLearning Resources

The Ray Tracer Challenge
Brace yourself for a fun challenge: build a photorealistic 3D renderer from scratch! In just a couple of weeks, build a ray tracer that r...
#pragprog#published-book#book-the-ray-tracer-challenge#algorithms
3 184 0
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kuroneko
PragProg Customers

The Ray Tracer Challenge: Rational Form inverses (pg 39-41)
Whilst the author has been careful to provide exact results for the tests elsewhere in the book (such as surds with the transformation te...
#errata#book-the-ray-tracer-challenge
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CraigTreptow
PragProg Customers

The Ray Tracer Challenge: Chapter 7 - Calculating pixel size
Hi. I’m working on this test: Scenario ​: The pixel size for a horizontal canvas Given ​ c ← camera(200, 125, π/2) Then ​ c.pixel_siz...
#question#book-the-ray-tracer-challenge
8 122 3
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64kramsystem
PragProg Customers

The Ray Tracer Challenger: unnecessary normalization (page 73)
In the last hint (#4) of Chapter 5, the pseudocode applies a normalization to the origin ray: r ← ray(ray_origin, normalize(position - ...
#pragprog#book-the-ray-tracer-challenge
1 68 0
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Matthias
PragProg Customers

The Ray Tracer Challenge: Chapter 5 (p. 58) - Point with Distance to Origin
I think the following pseudocode from the book contains a bug: function​ position(ray, t) ​ ​return​ ray.origin + ray.direction * t ​...
#book-the-ray-tracer-challenge
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Tag: #book-the-ray-tracer-challenge
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The Ray Tracer Challenge: Implementing Shading Breaks the First Shading Test on P. 95
PragProg Customers
The Ray Tracer Challenge: "Computing the normal on a transformed sphere" ebook test
PragProg Customers
The Ray Tracer Challenger: unnecessary normalization (page 73)
PragProg Customers
The Ray Tracer Challenge: "discuss" link is broken, possibly also "report erratum" (All pages)
PragProg Customers
The Ray Tracer Challenge: various errata
PragProg Customers
The Ray Tracer Challenge: Chapter 5 (p. 58) - Point with Distance to Origin
PragProg Customers
The Ray Tracer Challenge: Chapter 7 - Calculating pixel size
PragProg Customers
The Ray Tracer Challenge: Rational Form inverses (pg 39-41)
PragProg Customers
The Ray Tracer Challenge - where are the errata?
PragProg Customers
The Ray Tracer Challenge (PragProg)
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