CoffeeScript (for jay muratore) by Trevor Burnham

Author:Trevor Burnham
Language: eng
Format: epub
Tags: Pragmatic Bookshelf
ISBN: 978-1-934356-78-4
Publisher: The Pragmatic Bookshelf, LLC (306009)

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Figure 4. Playing with our command-line prompt

Collections/5x5/game.coffee

promptForTile2 = (x1, y1) ->

console.log "Please enter coordinates for the second tile."

inputCallback = (input) ->

try

{x: x2, y: y2} = strToCoordinates input

catch e

console.log e

return

if x1 is x2 and y1 is y2

console.log "The second tile must be different from the first."

else

console.log "Swapping (#{x1}, #{y1}) with (#{x2}, #{y2})..."

x1--; x2--; y1--; y2--; # convert 1-based indices to 0-based

[grid[x1][y1], grid[x2][y2]] = [grid[x2][y2], grid[x1][y1]]

{moveScore, newWords} = scoreMove grid, {x1, y1, x2, y2}

unless moveScore is 0

console.log """

You formed the following word(s):

#{newWords.join(', ')}

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