Sha256: 9724b1646864af79ebafd497c9637bc5cdc8ae48db14e314aeb39f3ea9d7e2c1
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Size: 999 Bytes
Versions: 4
Compression:
Stored size: 999 Bytes
Contents
module Vedeu
# Converts a position into an index for the terminal.
#
class PositionIndex
# @!attribute [r] y
# @return [Fixnum]
attr_reader :y
# @!attribute [r] x
# @return [Fixnum]
attr_reader :x
alias_method :first, :y
alias_method :last, :x
# @param (see #initialize)
def self.[](y, x)
new(y, x).[]
end
# Returns a new instance of Vedeu::PositionIndex.
#
# @param y [Fixnum]
# @param x [Fixnum]
# @return [Vedeu::PositionIndex]
def initialize(y, x)
@y = ((y - 1) <= 1) ? 0 : (y - 1)
@x = ((x - 1) <= 1) ? 0 : (x - 1)
end
# @return [Array]
def []
[y, x]
end
# @param other [Vedeu::PositionIndex]
# @return [Boolean]
def eql?(other)
self.class == other.class && (x == other.x && y == other.y)
end
alias_method :==, :eql?
# @return [Vedeu::Position]
def to_position
Vedeu::Position.new(y, x)
end
end # PositionIndex
end # Vedeu
Version data entries
4 entries across 4 versions & 1 rubygems