def []=(*args)
if args.length == 3
args[2].kind_of?(Magick::Image) || is_a_image_array(args[2])
super
args[0] = args[0] + length if (args[0] < 0)
args[1] = length - args[0] if (args[0] + args[1] > length)
if args[2].kind_of?(Magick::Image)
@scene = args[0]
else
@scene = args[0] + args[2].length - 1
end
elsif args[0].kind_of? Range
args[1].kind_of?(Magick::Image) || is_a_image_array(args[1])
super
@scene = args[0].end
else
is_a_image args[1]
super
@scene = args[0] < 0 ? length + args[0] : args[0]
end
args.last
end