From 2d8e108dd6811bcf55bed28f1855a36077f8c674 Mon Sep 17 00:00:00 2001
From: ladevieq <ladevie.quentin@gmail.com>
Date: Sun, 20 Dec 2020 01:18:38 +0100
Subject: Add vector class

---
 include/vec3.hpp | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 include/vec3.hpp

(limited to 'include/vec3.hpp')

diff --git a/include/vec3.hpp b/include/vec3.hpp
new file mode 100644
index 0000000..b76792b
--- /dev/null
+++ b/include/vec3.hpp
@@ -0,0 +1,51 @@
+#ifndef __VEC3_HPP_
+#define __VEC3_HPP_
+
+#include <iostream>
+#include <cmath>
+
+class vec3 {
+    public:
+    vec3();
+
+    vec3(double x, double y, double z);
+
+    void operator-();
+
+    vec3& operator+=(vec3& vec);
+
+    vec3& operator*=(double scale);
+
+    vec3& operator/=(double numerator);
+
+    double length();
+
+    double length_sq();
+
+    double dot(vec3& vec);
+
+    vec3 cross(vec3& vec);
+
+    vec3 unit_vector();
+
+    double x, y, z;
+};
+
+vec3 operator+(vec3& u, vec3& v);
+
+vec3 operator-(vec3& u, vec3& v);
+
+vec3 operator*(vec3& u, vec3& v);
+
+vec3 operator*(vec3& u, double scale);
+
+vec3 operator*(double scale, vec3& u);
+
+vec3 operator/(vec3& u, double scale);
+
+std::ostream& operator<<(std::ostream& out, vec3& vec);
+
+using point3 = vec3;
+using color = vec3;
+
+#endif // !__VEC3_HPP_
-- 
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