From 0c77bdb5a48343005dfdf1509d004b36022efb32 Mon Sep 17 00:00:00 2001
From: hachem <im@hachem.wtf>
Date: Mon, 18 Aug 2025 05:02:13 +0200
Subject: fix: improvements, bump to C++20 and fix bugs

---
 src/engine/engine.h | 6 +-----
 src/engine/object.h | 2 +-
 2 files changed, 2 insertions(+), 6 deletions(-)

(limited to 'src/engine')

diff --git a/src/engine/engine.h b/src/engine/engine.h
index 0d0fb1b..124fa39 100644
--- a/src/engine/engine.h
+++ b/src/engine/engine.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <vector>
+#include <numbers>
 #include <iostream>
 #include <fstream>
 #include <sstream>
@@ -21,11 +22,6 @@
 #include <glm/gtc/matrix_transform.hpp>
 #include <glm/gtc/type_ptr.hpp>
 
-#define _USE_MATH_DEFINES
-#ifndef M_PI
-#define M_PI 3.14159265358979323846
-#endif
-
 namespace Donut
 {
     const double c = 299792458.0;
diff --git a/src/engine/object.h b/src/engine/object.h
index c45815b..19938d8 100644
--- a/src/engine/object.h
+++ b/src/engine/object.h
@@ -46,7 +46,7 @@ namespace Donut
             float a = glm::dot(ray.m_direction, ray.m_direction); 
             float b = 2.0f * glm::dot(oc, ray.m_direction);
             float c = glm::dot(oc, oc) - m_radius * m_radius;
-            double discriminant = b*b - 4*a*c;
+            float discriminant = static_cast<float>(b*b - 4*a*c);
 
             if(discriminant < 0)
                 return false;
-- 
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