飛び駒判定追加

Author: kozakana

board.rb

@@ -191,13 +191,21 @@ def move before, after, id
     end
 
     if piece(after).player == order(id)
-      raise CannotMove, "指定場所へは動かせません"
+      raise ExistPiece, "自分の駒は取れません"
     end
 
     unless orig_piece.move? before, after
       raise CannotMove, "指定場所へは動かせません"
     end
 
+    rlist = road_list piece(before), before, after
+    rlist.each do |pos|
+      if piece(pos).kind != :nil
+        p "他の駒は飛び越えられません"
+        raise CannotMove, "他の駒は飛び越えられません"
+      end
+    end
+
     if exist? after
       captured = @data[after[0]][after[1]]
       if captured.player == :first
@@ -342,4 +350,32 @@ def can_next? pos
   def grow_piece pos
     piece(pos).grow = true
   end
+
+  def road_list piece, before, after
+    mlist = move_list piece, before
+    rlist = []
+    orig_dist = Math.sqrt((before[0]-after[0])**2 + (before[1]-after[1])**2)
+    mlist.each do |pos|
+      dist = Math.sqrt((pos[0]-after[0])**2 + (pos[1]-after[1])**2)
+
+      if orig_dist > dist && dist != 0
+        rlist << pos
+      end
+    end
+
+    rlist
+  end
+
+  def move_list piece, pos
+    list = []
+    9.times do |x|
+      9.times do |y|
+        if piece.move? pos, [x, y]
+          #dist = Math.sqrt((pos[0]-x)**2 + (pos[1]-y)**2)
+          list << [x, y]
+        end
+      end
+    end
+    list
+  end
 end

pieces/nil_piece.rb

@@ -6,6 +6,10 @@ def initialize
     @grow   = false
   end
 
+  def kind
+    :nil
+  end
+
   def ==(pce)
     pce.class == 'NilPiece'
   end

spec/board_spec.rb

@@ -0,0 +1,25 @@
+require_relative '../board'
+
+
+describe Board do
+  describe "road_list" do
+    before do
+      data = Array.new(9).map{ Array.new(9, NilPiece.new) }
+      data[1][7] =  Kyo.new(:first, false)
+      data[4][4] =  Kaku.new(:first, false)
+      data[4][7] =  Hi.new(:first, false)
+      @board = Board.instance
+      @board.instance_eval do 
+        @data = data
+
+        @order_list[:first] = 1
+      end
+    end
+
+    it "road_listの確認" do
+      pce = @board.piece [4,4]
+      #p @board.road_list pce, [4,7], [0,7]
+      p @board.move [4,7], [0,7], 1
+    end
+  end
+end