From eaa992bdbcbc0c36ddee4ee3dbeab60c8602f367 Mon Sep 17 00:00:00 2001
From: Joshua Goins <josh@redstrate.com>
Date: Wed, 25 Sep 2024 10:31:07 +0200
Subject: [PATCH] Use std::pair instead of std::tuple in orthogonal_system

---
 src/scene.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/scene.cpp b/src/scene.cpp
index 278dee8..50a9de3 100644
--- a/src/scene.cpp
+++ b/src/scene.cpp
@@ -160,8 +160,8 @@ std::optional<HitResult> test_scene_octree(const Ray ray, const Scene& scene) {
         return {};
 }
 
-// methods adapated from https://users.cg.tuwien.ac.at/zsolnai/gfx/smallpaint/
-std::tuple<glm::vec3, glm::vec3> orthogonal_system(const glm::vec3& v1) {
+// methods adapted from https://users.cg.tuwien.ac.at/zsolnai/gfx/smallpaint/
+std::pair<glm::vec3, glm::vec3> orthogonal_system(const glm::vec3& v1) {
     glm::vec3 v2;
     if (glm::abs(v1.x) > glm::abs(v1.y)) {
         // project to the y = 0 plane and construct a normalized orthogonal vector in this plane
@@ -180,7 +180,7 @@ glm::vec3 hemisphere(const double u1, const double u2) {
     const double r = sqrt(1.0 - u1 * u1);
     const double phi = 2 * pi * u2;
 
-    return glm::vec3(cos(phi) * r, sin(phi) * r, u1);
+    return {cos(phi) * r, sin(phi) * r, u1};
 }
 
 glm::vec3 reflect(const glm::vec3& I, const glm::vec3& N) {