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iOS Game Development By Example

You're reading from   iOS Game Development By Example Learn how to develop an ace game for your iOS device, using Sprite Kit

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Product type Paperback
Published in Aug 2015
Publisher Packt
ISBN-13 9781785284694
Length 220 pages
Edition 1st Edition
Languages
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Author (1):
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Samanyu Chopra Samanyu Chopra
Author Profile Icon Samanyu Chopra
Samanyu Chopra
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Table of Contents (12) Chapters Close

Preface 1. An Introduction to Sprite Kit FREE CHAPTER 2. Scenes in Sprite Kit 3. Sprites 4. Nodes in Sprite Kit 5. Physics in Sprite Kit 6. Animating Sprites, Controls, and SceneKit 7. Particle Effects and Shaders 8. Handling Multiple Scenes and Levels 9. Performance Enhancement and Extras 10. Revisiting Our Game and More on iOS 9 Index

Creating actions


There are various types of actions which can be applied on a node to make it behave differently, now we are going to study about most of them in detail.

Moving nodes using actions

The SKAction class provides various action methods for moving nodes on a scene. They are as follows:

  • func moveByX( x: CGFloat, y : CGFloat, duration sec: NSTimeInterval): This will move the node to its new position. Here, Delta of x, Delta of y, and duration in seconds are passed as parameters.

  • func moveBy( delta: CGVector, duration sec: NSTimeInterval): This will move the node relative to its current position. Here, Delta vector pointing to a new position and duration in seconds are passed as parameters.

  • moveTo(location: CGPoint, duration sec: NSTimeInterval): This will move the node to a new position. Location of the new position and duration in seconds are passed as parameters. Here location is a CGpoint value whose default value is (0,0).

  • func moveToX( x: CGFloat, duration sec: NSTimeInterval...

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