diff --git a/core/Common/Point.cpp b/core/Common/Point.cpp
index c22cd854..15920994 100644
--- a/core/Common/Point.cpp
+++ b/core/Common/Point.cpp
@@ -1,4 +1,5 @@
 #include "..\e2dcommon.h"
+#include <cmath>
 
 
 e2d::Point::Point()
@@ -44,6 +45,14 @@ e2d::Point::operator e2d::Size() const
 	return Size(x, y);
 }
 
+double e2d::Point::distance(const Point &p1, const Point &p2)
+{
+	return sqrt(
+		(p1.x - p2.x) * (p1.x - p2.x) + 
+		(p1.y - p2.y) * (p1.y - p2.y)
+	);
+}
+
 e2d::Point e2d::Point::operator-() const
 {
 	return Point(-x, -y);
diff --git a/core/e2dcommon.h b/core/e2dcommon.h
index 900c679f..e5cf4ecc 100644
--- a/core/e2dcommon.h
+++ b/core/e2dcommon.h
@@ -48,6 +48,9 @@ public:
 	bool operator== (const Point& point) const;
 
 	operator e2d::Size() const;
+
+	// ÅжÏÁ½µã¼ä¾àÀë
+	static double distance(const Point&, const Point&);
 };