Book Image

Animating SwiftUI Applications

By : Stephen DeStefano
Book Image

Animating SwiftUI Applications

By: Stephen DeStefano

Overview of this book

Swift and SwiftUI are the backbone of Apple application development, making them a crucial skill set to learn. Animating SwiftUI Applications focuses on the creation of stunning animations, making you proficient in this declarative language and employing a minimal code approach. In this book, you'll start by exploring the fundamentals of SwiftUI and animation, before jumping into various projects that will cement these skills in practice. You will explore some simple projects, like animating circles, creating color spectrums with hueRotation, animating individual parts of an image, as well as combining multiple views together to produce dynamic creations. The book will then transition into more advanced animation projects that employ the GeometryReader, which helps align your animations across different devices, as well as creating word and color games. Finally, you will learn how to integrate the SpriteKit framework into our SwiftUI code to create scenes with wind, fire, rain, and or snow scene, along with adding physics, gravity, collisions, and particle emitters to your animations. By the end of this book, you’ll have created a number of different animation projects, and will have gained a deep understanding of SwiftUI that can be used for your own creations.
Table of Contents (18 chapters)

Animating rocket fire

The SpriteKit Fire particle template generates particles that are typically colored shades of orange, yellow, and red, which give the impression of glowing embers and flames. The particles may also have a slight degree of transparency to mimic the flickering and shifting quality of a real fire. In terms of behavior, the particles are designed to move upward with a certain amount of randomness, representing the movement of hot air and flames.

Rather than creating some simple flames, though, we’re going to animate a rocket!

Press Command + N, then choose the SpriteKit Particle File template. After that, pick the Fire particle template and name the file Rocket. Xcode will go ahead and create the fire particles that you can see them running in the editor.

Now, let’s create the SwiftUI view that will bring this .sks file into our SwiftUI project.

Adding FireView

To create the view, press Command + N and make a SwiftUIView file. Then, call...