Avoid default params for ray constructor

hollasch · hollasch · commit 5222ccc5463e · 2023-08-22T11:32:06.000-07:00
diff --git a/books/RayTracingTheNextWeek.html b/books/RayTracingTheNextWeek.html
@@ -71,7 +71,9 @@
 
 
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ C++ highlight
-        ray(const point3& origin, const vec3& direction, double time = 0.0)
+        ray(const point3& origin, const vec3& direction) : orig(origin), dir(direction), tm(0) {}
+
+        ray(const point3& origin, const vec3& direction, double time)
           : orig(origin), dir(direction), tm(time)
         {}
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ C++
