This chapter introduced different details about occlusion culling and LOD optimization techniques. Also, this chapter showed how to optimize Unity C# and Unity JS code. Finally, you saw main differences in syntax between Unity C# and Unity JS codes and learned how it is easy to transform between them.

In the next chapter, you will explore how to enhance the quality in games and applications using different techniques such as physically-based shaders and global illumination in Unity 5. At the end of the chapter, you will know how to optimize any shader code.