lib/ruby_on_rays/normal3.rb
def add!(rhs)
      @x += rhs.x
      @y += rhs.y
      @z += rhs.z
      self
    end
# Adds a normal to self.
# @param rhs [Normal3]
# @return [self]
Adds a normal to self.
Adds a normal to self .
def add!(rhs)
      @x += rhs.x
      @y += rhs.y
      @z += rhs.z
      self
    end
def add! ( rhs ) @x += rhs . x @y += rhs . y @z += rhs . z self end
Adds a normal to self.
Adds a normal to self .
None
self
rhs
None