it works

gridpoint.lua

@@ -9,7 +9,7 @@ GridPoint = Point
 ---@return Point
 function GridPoint:absolute()
     return Point:new(
-        self.x * Config.cellSize + Config.gridOffset,
+        self.x * Config.cellSize,
         self.y * Config.cellSize
     )
 end
@@ -17,15 +17,15 @@ end
 -- Same as coords, but converted to global coords
 ---@return number, number
 function GridPoint:globalCoords()
-    return self.x * Config.cellSize - Config.cellSize / 2 + Config.gridOffset,
-    self.y * Config.cellSize - Config.cellSize / 2
+    return self.x * Config.cellSize,
+    self.y * Config.cellSize
 end
 
 -- Returns local coords from global
 ---@param point Point
 ---@return GridPoint
 function GridPoint.snapCoords( point )
-    local x = math.ceil( (point.x - Config.gridOffset) / Config.cellSize )
+    local x = math.ceil( (point.x) / Config.cellSize )
     local y = math.ceil( point.y / Config.cellSize )
     return GridPoint:new( x, y )
 end