Split on the largest axis on BVH generation

1 files changed, 14 insertions, 0 deletions

diff --git a/src/vec3.cpp b/src/vec3.cpp
index 8e27a98..8f7a720 100644
--- a/src/vec3.cpp
+++ b/src/vec3.cpp
@@ -1,4 +1,5 @@
 #include <cmath>
+#include <limits.h>
 
 #include "vec3.hpp"
 #include "utils.hpp"
@@ -40,6 +41,19 @@ vec3& vec3::operator/=(float numerator) {
     return *this;
 }
 
+float vec3::operator[](int axis) {
+    switch (axis) {
+        case 0:
+            return x;
+        case 1:
+            return y;
+        case 2:
+            return z;
+        default:
+           return std::numeric_limits<float>::infinity();
+    }
+}
+
 float vec3::length() const {
     return sqrt(length_sq());
 }