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Writing a Tile-Matching Game
FP StyleHakim Cassimally
@osfameron, @lambdamcr
(({:colour :red} {:colour :red} {:colour :red} {:colour :blue} {:colour :blue}) ({:colour :green} {:colour :green} {:colour :red} {:colour :red} {:colour :blue})({:colour :red} {:colour :green} {:colour:blue} {:colour :blue} {:colour :blue})({:colour :green} {:colour :green} {:colour :green} {:colour :green} {:colour :blue})({:colour :red} {:colour :green} {:colour :green} {:colour :red} {:colour :blue}))
{:colour :blue:type :candy}
Match 3
(map (partial partition-by :colour))
(map (partial partition-by :colour))
(map match)(defn match [groups](filter#(>= (count %) 3)groups))
(map match)(defn match [groups](filter#(>= (count %) 3)groups))
(filter seq)
Er...
[0 0][
[0 0][ [1 0]
[0 0][ [1 0] [2 0]
[0 0][ [1 0] [2 0] [3 0]
[0 0][ [1 0] [2 0] [3 0] [4 0] ]
zip(defn zip [list1 list2](map vector list1 list2))
(defn zip-over-grid [list1 list2](map zip list1 list2))
(zip )
(zip )
(zip )
(zip )
(repeat (range)) (map repeat (range))
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+
=
(defn transpose [m](apply map vector m))
(defn points [runs](->> runs
(map count)(apply +)))
= 19
Filling
Filling
Filling
Filling
er....?
Filling
Filling
Filling
Filling
Filling
Filling
Filling
State or Change?
State or Change?
State or Change?
{:colour :blue:pos [0 1]:to [1 1]:animate :fall}
Display
User Input
Check Matches
Remove Matches
Adjust Score
Fall/Fill (animate)
{:score 0}:grid
}
{:score 0}:grid
}
Display
User Input
Check Matches
Remove Matches
Adjust Score
Fall/Fill (animate)
Display
User Input
Check Matches
Remove Matches
Adjust Score
Fall/Fill (animate)
{:score 0}:grid
:matches}
Display
User Input
Check Matches
Remove Matches
Adjust Score
Fall/Fill (animate)
{:score 0}:grid
:matches}
Display
User Input
Check Matches
Remove Matches
Adjust Score
Fall/Fill (animate)
{:score 5}:grid
}
Display
User Input
Check Matches
Remove Matches
Adjust Score
Fall/Fill (animate)
{:score 5}:grid
}
Display
User Input
Check Matches
Remove Matches
Adjust Score
Fall/Fill (animate)
{:score 5}:grid
}
THANK YOU!Any Questions?
