can
fun canMoveTile(direction: FlingDirection, position: Int, blankTilePos: Int, numColumns: Int): Boolean
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Checks if the given tile can be moved in the specified direction.
Return
true if the tile can be moved in the specified direction; false, otherwise.
Parameters
direction
Direction in which the tile will be moved.
position
Position of the tile to be moved (zero-based, following row-major order).
blankTilePos
Position of the blank tile in the puzzle grid (zero-based, following row-major order).
numColumns
Number of columns in the puzzle grid.