The previous chapter covered many different things and concepts regarding 2D game development in Unity and it followed a practical approach to finish a simple 2D game called Perky Penguin. The chapter continued the practice example of the game from Chapter 1, Introduction to Android Game Development with Unity3D, and finished by covering important topics on 2D games. It started by adding particle effects in Unity and then it explained in detail about the concept of Particle Systems, the basics of Particle Systems, and how these are added in Unity. Then we continued the discussion to apply the concepts in a practical example by adding a rocket fire particle system for the penguin in the game, and discussed such properties as emission, shape, and color.
After Particle Systems, the chapter focused on creating an environment and adding backgrounds in the game. It explained...