Qt Quick offers graphical and special effects that are very easy to start using. Particles, in particular, are great for gaming apps. You now know how to use the ParticleSystem to emit an ImageParticle at a particular angle using AngleDirection. We examined how Affectors such as Turbulence will affect an Emitter by adding variation to the particle stream.
Gradients, Glow, and DropShadows are useful for bringing emphasis to certain items. The Blur effects are used to simulate movement action or to add your watermark to images.
In the next chapter, we delve into using something now ubiquitous on mobile phones—touch input. I will also touch upon (pun intended) using other forms of inputs, such as what to do when there is no hardware keyboard and your app is what gets booted into.
