gistfile1.txt

local getRoomToWorld = function()
  return RelativeTo.World:getInverseMatrix()
end


--- This is a HIDEOUS HACK @todo
local matrixMult = function(a, b)
  local val = osg.Matrixd(a)
	val:preMult(b)
	return val
end

local transformMatrixRoomToWorld = function(m)
  return matrixMult(getRoomToWorld(), m)
end

local transformPointRoomToWorld = function(v)
	return getRoomToWorld():preMult(v)
end

local transformDirectionRoomToWorld = function(v)
	return getRoomToWorld():preMult(osg.Vec4d(v,0))
end