diff --git a/Polar.cpp b/Polar.cpp
index 2ad451c..421962e 100644
--- a/Polar.cpp
+++ b/Polar.cpp
@@ -2,6 +2,7 @@
 
 #include "Angle.h"
 #include "Polar.h"
+#include "Spherical.h"
 
 Polar::Polar() {
   angle = 0.0F;
@@ -26,6 +27,11 @@ Polar::Polar(Vector2 v) {
   distance = v.magnitude();
 }
 
+Polar::Polar(Spherical s) {
+  angle = s.horizontalAngle;
+  distance = s.distance * cosf(s.verticalAngle * Angle::Deg2Rad);
+}
+
 const Polar Polar::zero = Polar(0, 0);
 
 float Polar::Distance(const Polar &v1, const Polar &v2) {
diff --git a/Polar.h b/Polar.h
index 48d9f17..fa6c287 100644
--- a/Polar.h
+++ b/Polar.h
@@ -37,6 +37,7 @@ public:
   Polar(float angle, float distance);
 
   Polar(Vector2 v);
+  Polar(Spherical s);
 
   /// <summary>
   /// A polar vector with zero degrees and distance