Fix most warnings

1 files changed, 1 insertions, 1 deletions

diff --git a/src/vec3.cpp b/src/vec3.cpp
index 43431fc..1bd068f 100644
--- a/src/vec3.cpp
+++ b/src/vec3.cpp
@@ -44,7 +44,7 @@ vec3 &vec3::operator/=(float numerator) {
     return *this;
 }
 
-float vec3::operator[](int axis) {
+float vec3::operator[](const int axis) {
     if (axis > 2) { return std::numeric_limits<float>::infinity(); }
 
     return v[axis];