Steps to reproduce: 1. Run main game 2. Enter name and submit. 3. Start the game. 4. Try to cancel any two cancellable grids 5. Observe the path's position Actual result: Path's position is biased Expected result: Path should be pointed from the center of one grid to the center of the other grid.
This problem is because mistakes made when calculating the path.It is solved in release3.0.