# File lib/RMagick.rb, line 1352 def scene=(n) if n.nil? Kernel.raise IndexError, "scene number out of bounds" unless @images.length == 0 @scene = nil return @scene elsif @images.length == 0 Kernel.raise IndexError, "scene number out of bounds" end n = Integer(n) if n < 0 || n > length - 1 Kernel.raise IndexError, "scene number out of bounds" end @scene = n return @scene end