diff --git a/server/gameserver/glmhelper.cc b/server/gameserver/glmhelper.cc
index 4287746c..30bcffe9 100644
--- a/server/gameserver/glmhelper.cc
+++ b/server/gameserver/glmhelper.cc
@@ -85,6 +85,11 @@ bool GlmHelper::IsEqual2D(const glm::vec3& v1, const glm::vec3& v2)
     return std::abs(v1.x - v2.x) < 0.00001f && std::abs(v1.z - v2.z) < 0.00001f;
 }
 
+bool GlmHelper::IsEqual2D(const glm::vec3& v1, float x, float z)
+{
+    return std::abs(v1.x - x) < 0.00001f && std::abs(v1.z - z) < 0.00001f;
+}
+
 bool GlmHelper::IsEqual3D(const glm::vec3& v1, const glm::vec3& v2)
 {
     return std::abs(v1.x - v2.x) < 0.00001f &&
diff --git a/server/gameserver/glmhelper.h b/server/gameserver/glmhelper.h
index 3a914695..c1e5f2ef 100644
--- a/server/gameserver/glmhelper.h
+++ b/server/gameserver/glmhelper.h
@@ -17,6 +17,7 @@ class GlmHelper
     static bool IsValidVec3(const glm::vec3& v);
 
     static bool IsEqual2D(const glm::vec3& v1, const glm::vec3& v2);
+    static bool IsEqual2D(const glm::vec3& v1, float x, float z);
     static bool IsEqual3D(const glm::vec3& v1, const glm::vec3& v2);
 
     static float CalcAngle(const glm::vec3& v1, const glm::vec3& v2);