class Pacman::Coordinate
Represent position in grid
Attributes
x[RW]
y[RW]
Public Class Methods
new(x, y)
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# File lib/pacman/Coordinate.rb, line 6 def initialize(x, y) @x = x @y = y end
Public Instance Methods
distance(coord)
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manhatan
# File lib/pacman/Coordinate.rb, line 33 def distance(coord) x = @x - coord.x y = @y - coord.y x.abs + y.abs end
get_direction(coord)
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# File lib/pacman/Coordinate.rb, line 22 def get_direction(coord) res = UNDEF res = LEFT if @x > coord.x res = RIGHT if @x < coord.x res = UP if @y > coord.y res = DOWN if @y < coord.y res end
neighbor(direction)
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# File lib/pacman/Coordinate.rb, line 11 def neighbor(direction) x = @x y = @y x -= 1 if direction == LEFT x += 1 if direction == RIGHT y -= 1 if direction == UP y += 1 if direction == DOWN Coordinate.new(x, y) end