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Make pass the move_1_step

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Gwenhael Le Moine 2011-05-21 16:02:16 +07:00
parent 9642939f99
commit 51d8e91a62
1 changed files with 7 additions and 10 deletions
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17
star.rb
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@ -289,16 +289,13 @@ class Star
end
def move_1_step( direction, objectToMove)
d = { :h => 0, :v => 0 }
d[ :h ] = -1 if direction == :left
d[ :h ] = 1 if direction == :right
d[ :v ] = -1 if direction == :up
d[ :v ] = 1 if direction == :down
new_x = @positions[ objectToMove ][ :x ] + d[ :h ]
new_y = @positions[ objectToMove ][ :y ] + d[ :v ]
@positions[ objectToMove ][ :x ] = new_x
@positions[ objectToMove ][ :y ] = new_y
dx = { :left => -1, :right => 1 }[ direction ]
dy = { :down => 1, :up => -1 }[ direction ]
dx = 0 unless dx
dy = 0 unless dy
new_x = @positions[ objectToMove ][ :x ] + dx
new_y = @positions[ objectToMove ][ :y ] + dy
@positions[ objectToMove ] = { :x => new_x, :y => new_y }
end
def move( direction, objectToMove )