From 94217187eb2785939458f08d96c7b1b9e55439ab Mon Sep 17 00:00:00 2001
From: Julian T <julian@jtle.dk>
Date: Sun, 17 Jan 2021 00:09:15 +0100
Subject: Minor changed and draft for random sampling

---
 src/core/vector.hpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src/core/vector.hpp')

diff --git a/src/core/vector.hpp b/src/core/vector.hpp
index 20e8210..adc0bae 100644
--- a/src/core/vector.hpp
+++ b/src/core/vector.hpp
@@ -2,12 +2,29 @@
 #define VECTOR_H
 
 #include <iostream>
+#include <math.h>
+
+class Vec2d {
+    public:
+        Vec2d();
+        Vec2d(double x, double y);
+
+        void set(double x, double y);
+
+        double m_x, m_y, m_z;
+};
 
 class Vec3d {
     public:
         Vec3d();
         Vec3d(double x, double y, double z);
 
+        static inline Vec3d FromSpherical(double sinTheta, double cosTheta, double phi) {
+            return Vec3d(sinTheta * std::cos(phi),
+                    sinTheta * std::sin(phi),
+                    cosTheta);
+        }
+
         void set(double x, double y, double z);
         void normalize();
 
-- 
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