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Contents
# encoding: ascii-8bit
# Copyright 2014 Ball Aerospace & Technologies Corp.
# All Rights Reserved.
#
# This program is free software; you can modify and/or redistribute it
# under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 3 with
# attribution addendums as found in the LICENSE.txt
module Cosmos
# Defines the boundary for a {GlScene}.
class GlBounds
def initialize(x0, x1, y0, y1, z0, z1)
@x0 = x0
@x1 = x1
@y0 = y0
@y1 = y1
@z0 = z0
@z1 = z1
end
# @param index [Integer] 0 based index into the bounds variables. Bounds
# are returned in the following order: x0, x1, y0, y1, z0, z1.
# @return [Integer] Boundary value
def [](index)
case index
when 0
@x0
when 1
@x1
when 2
@y0
when 3
@y1
when 4
@z0
when 5
@z1
else
nil
end
end
# @return [Array<Integer, Integer, Integer>] The center of the bounds
def center
[(@x0 + @x1) / 2.0, (@y0 + @y1) / 2.0, (@z0 + @z1) / 2.0]
end
# @return [Integer] The longest dimension of the bounds
def longest
[@x1 - @x0, @y1 - @y0, @z1 - @z0].max
end
end
end
Version data entries
37 entries across 37 versions & 1 rubygems