Fixed move offsets (#713)

* Fixed move offsets

* Formatting

* More formatting

* Some more Formatting

src/Tools/Move.gd

@@ -21,6 +21,13 @@ func _input(event: InputEvent) -> void:
 			if Global.current_project.has_selection:
 				var prev_pos = selection_node.big_bounding_rectangle.position
 				selection_node.big_bounding_rectangle.position = prev_pos.snapped(grid_size)
+				# The First time transform_snap_grid is enabled then _snap_position() is not called
+				# and selection had wrong offset so i chose to do selection offsetting here
+				var grid_offset = Vector2(Global.grid_offset_x, Global.grid_offset_y)
+				grid_offset = Vector2(
+					fmod(grid_offset.x, grid_size.x), fmod(grid_offset.y, grid_size.y)
+				)
+				selection_node.big_bounding_rectangle.position += grid_offset
 				selection_node.marching_ants_outline.offset += (
 					selection_node.big_bounding_rectangle.position
 					- prev_pos
@@ -97,9 +104,19 @@ func _snap_position(position: Vector2) -> Vector2:
 	if _snap_to_grid:  # Snap to grid
 		var grid_size := Vector2(Global.grid_width, Global.grid_height)
 		position = position.snapped(grid_size)
-		var grid_offset = Vector2(Global.grid_offset_x, Global.grid_offset_y)
-		grid_offset = Vector2(fmod(grid_offset.x, grid_size.x), fmod(grid_offset.y, grid_size.y))
-		position += grid_offset
+		# The part below only corrects the offset for situations when there is no selection
+		# Offsets when there is selection is controlled in _input() function
+		if !Global.current_project.has_selection:
+			var move_offset := Vector2.ZERO
+			move_offset.x = (
+				_start_pos.x
+				- int(_start_pos.x / Global.grid_width) * Global.grid_width
+			)
+			move_offset.y = (
+				_start_pos.y
+				- int(_start_pos.y / Global.grid_height) * Global.grid_height
+			)
+			position += move_offset
 
 	return position