Fix chapter number references

Author: hollasch

README.md

@@ -1,9 +1,9 @@
 Ray Tracing In One Weekend Book Series
 ====================================================================================================
 
-| ![Ray Tracing in One Weekend][cover1] | ![Ray Tracing: The Next Week][cover2] | ![Ray Tracing: The Rest Of Your Life][cover3]
-|:------------------:|:-----------------:|:-------------------------:|
-| [In One Weekend][] | [The Next Week][] | [The Rest Of Your Life][] |
+| ![RT in One Weekend][cover1] | ![RT The Next Week][cover2] | ![RT The Rest Of Your Life][cover3] |
+|:----------------------------:|:---------------------------:|:-----------------------------------:|
+|     [In One Weekend][]       |      [The Next Week][]      |      [The Rest Of Your Life][]      |
 
 
 Getting the Books
@@ -32,10 +32,10 @@ review the [CONTRIBUTING][] document for the most effective way to proceed.
 [cover1]:                   images/RTOneWeekend-small.jpg
 [cover2]:                   images/RTNextWeek-small.jpg
 [cover3]:                   images/RTRestOfYourLife-small.jpg
-[In One Weekend]:           InOneWeekend
+[In One Weekend]:           books/RayTracingInOneWeekend.html
 [releases]:                 https://github.com/RayTracing/raytracing.github.io/releases/
 [Hack the Hood]:            https://hackthehood.org/
 [Real-Time Rendering]:      https://realtimerendering.com/#books-small-table
 [submit issues via GitHub]: https://github.com/raytracing/raytracing.github.io/issues/
-[The Next Week]:            TheNextWeek
-[The Rest Of Your Life]:    TheRestOfYourLife
+[The Next Week]:            books/RayTracingTheNextWeek.html
+[The Rest Of Your Life]:    books/RayTracingTheRestOfYourLife.html

books/RayTracingInOneWeekend.html

@@ -1,4 +1,7 @@
 <meta charset="utf-8">
+<!-- Markdeep: https://casual-effects.com/markdeep/ -->
+
+
 
                                    **Ray Tracing in One Weekend**
                                            Peter Shirley

books/RayTracingTheNextWeek.html

@@ -1,4 +1,7 @@
 <meta charset="utf-8">
+<!-- Markdeep: https://casual-effects.com/markdeep/ -->
+
+
 
                                    **Ray Tracing: The Next Week**
                                            Peter Shirley
@@ -8,6 +11,7 @@
             50% of all payments donated to programming education related not-for-profits
 
 
+
 Overview
 ====================================================================================================
 
@@ -299,7 +303,7 @@
 ====================================================================================================
 
 This part is by far the most difficult and involved part of the ray tracer we are working on. I am
-sticking it in Chapter 2 so the code can run faster, and because it refactors `hitable` a little,
+sticking it in this chapter so the code can run faster, and because it refactors `hitable` a little,
 and when I add rectangles and boxes we won't have to go back and refactor them.
 
 The ray-object intersection is the main time-bottleneck in a ray tracer, and the time is linear with

books/RayTracingTheRestOfYourLife.html

@@ -1,4 +1,7 @@
 <meta charset="utf-8">
+<!-- Markdeep: https://casual-effects.com/markdeep/ -->
+
+
 
                                **Ray tracing: The Rest of Your Life**
                                            Peter Shirley
@@ -171,7 +174,7 @@
 One Dimensional MC Integration
 ====================================================================================================
 
-Integration is all about computing areas and volumes, so we could have framed Chapter 1 in an
+Integration is all about computing areas and volumes, so we could have framed Chapter 2 in an
 integral form if we wanted to make it maximally confusing. But sometimes integration is the most
 natural and clean way to formulate things. Rendering is often such a problem. Let’s look at a
 classic integral:
@@ -514,7 +517,7 @@
 ====================================================================================================
 
 In this chapter we won't actually implement anything. We will set up for a big lighting change in
-our program in Chapter 5.
+our program in the next chapter.
 
 Our program from the last books already scatters rays from a surface or volume. This is the commonly
 used model for light interacting with a surface. One natural way to model this is with probability.
@@ -772,7 +775,7 @@
 (uniform)
   $$ b(\theta) = 2*\pi*f(\theta)\sin(\theta) $$
 
-For uniform random numbers $r_1$ and $r_2$, the material presented in Chapter 2 leads to:
+For uniform random numbers $r_1$ and $r_2$, the material presented in Chapter 3 leads to:
 
   $$ r_1 = \int_{0}^{\phi} \frac{1}{2\pi} = \frac{\phi}{2\pi} $$
 
@@ -1625,7 +1628,7 @@
 
 easier. When we sample a sphere’s solid angle uniformly from a point outside the sphere, we are
 really just sampling a cone uniformly (the cone is tangent to the sphere). Let’s say the code has
-`theta_max`. Recall from Chapter 6, that to sample $\theta$ we have:
+`theta_max`. Recall from Chapter 9, that to sample $\theta$ we have:
 
     $$ r2 = \int_{0}^{\theta} 2 \pi \cdot f(t) \cdot sin(t) dt $$