From 47446f3f35c40b34f5f39a6495f71593afc5ee3e Mon Sep 17 00:00:00 2001
From: Stefan Harmuth <pennywise@drock.de>
Date: Thu, 22 Dec 2022 09:35:09 +0100
Subject: [PATCH] Grid.shift() - shift whole coordinate system

---
 tools/grid.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tools/grid.py b/tools/grid.py
index d50d94b..4f9f708 100644
--- a/tools/grid.py
+++ b/tools/grid.py
@@ -287,6 +287,15 @@ class Grid:
         else:
             raise NotImplementedError(mode)
 
+    def shift(self, shift_x: int = None, shift_y: int = None):
+        self.minX, self.minY = self.minX + shift_x, self.minY + shift_y
+        self.maxX, self.maxY = self.maxX + shift_x, self.maxY + shift_y
+        coords = self.__grid
+        self.__grid = {}
+        for c, v in coords.items():
+            nc = Coordinate(c.x + shift_x, c.y + shift_y)
+            self.set(nc, v)
+
     def getPath_BFS(self, pos_from: Coordinate, pos_to: Coordinate, includeDiagonal: bool, walls: List[Any] = None,
                     stop_at_first: Any = None) -> Union[None, List[Coordinate]]:
         queue = deque()