Delete last reference to unused var p in main.cc

hollasch · hollasch · commit cf3b2bd3bafc · 2020-01-14T15:28:50.000-08:00
Resolves #317
diff --git a/books/RayTracingTheRestOfYourLife.html b/books/RayTracingTheRestOfYourLife.html
@@ -2139,7 +2139,6 @@
                 auto u = (i + random_double()) / nx;
                 auto v = (j + random_double()) / ny;
                 ray r = cam->get_ray(u, v);
-                vec3 p = r.at(2.0);
                 col += ray_color(r, world, glass_sphere, max_depth);
             }
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Original file line number	Diff line number	Diff line change
`@@ -2139,7 +2139,6 @@`
`2139`	`2139`	`auto u = (i + random_double()) / nx;`
`2140`	`2140`	`auto v = (j + random_double()) / ny;`
`2141`	`2141`	`ray r = cam->get_ray(u, v);`
`2142`		`- vec3 p = r.at(2.0);`
`2143`	`2142`	`col += ray_color(r, world, glass_sphere, max_depth);`
`2144`	`2143`	`}`
`2145`	`2144`	`~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`