Contrasting differences are the very essence of existence, as the yin-yang symbol properly illustrates. Light and darkness are opposites, yet complementary, as they offset one another and give meaning through variety. Without darkness there can be no light, as they are never truly separate. By breathing light into our world, we are inevitably forced to add back the darkness that it creates. Let's follow the previous chapter and truly complete to our lighting engine by reintroducing the concept of darkness to it.
In this chapter, we will be covering the following topics: