lib/ruby_on_rays/color.rb
# Subtracts the other color from self.
# @param rhs [Color]
# @return [Color]
Subtracts the other color from self.
Subtracts the other color from self .
def sub!(rhs)
      @r -= rhs.r
      @g -= rhs.g
      @b -= rhs.b
      self
    end
def sub! ( rhs ) @r -= rhs . r @g -= rhs . g @b -= rhs . b self end
Subtracts the other color from self.
Subtracts the other color from self .
None
Color
rhs
<not_specific>
<not_specific>
None