diff --git a/saco/game/util.cpp b/saco/game/util.cpp
index bdf4ac2..103eb74 100644
--- a/saco/game/util.cpp
+++ b/saco/game/util.cpp
@@ -1467,6 +1467,18 @@ float DegToRad(float fDegrees)
 
 //----------------------------------------------------
 
+float InvDegToRad(float fDegrees)
+{
+	if (fDegrees > 360.0f || fDegrees < 0.0f) return 0.0f;
+	if (fDegrees > 180.0f) {
+		return (float)((-(PI - (((fDegrees - 180.0f) * PI) / 180.0f))) * -1.0f);
+	} else {
+		return (float)(((fDegrees * PI) / 180.0f) * -1.0f);
+	}
+}
+
+//----------------------------------------------------
+
 bool IsNumeric(char * szString)
 {
 	while(*szString) {
diff --git a/saco/game/util.h b/saco/game/util.h
index 00b3fd1..ba577bf 100644
--- a/saco/game/util.h
+++ b/saco/game/util.h
@@ -31,6 +31,8 @@ BYTE __stdcall FindPlayerNumFromPedPtr(DWORD dwPedPtr);
 void GameResetRadarColors();
 
 float DegToRad(float fDegrees);
+float InvDegToRad(float fDegrees);
+
 void SaveCameraRaster(char *filename);
 
 BOOL IsFileOrDirectoryExists(char * szPath);