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Learning C# 7 By Developing Games with Unity 2017 - Third Edition

You're reading from  Learning C# 7 By Developing Games with Unity 2017 - Third Edition

Product type Book
Published in Dec 2017
Publisher Packt
ISBN-13 9781788478922
Pages 290 pages
Edition 3rd Edition
Languages

Table of Contents (23) Chapters

Title Page
Credits
About the Authors
About the Authors
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
1. Discovering Your Hidden Scripting Skills and Getting Your Environment Ready 2. Introducing the Building Blocks for Unity Scripts 3. Getting into the Details of Variables 4. Getting into the Details of Methods 5. Lists, Arrays, and Dictionaries 6. Loops 7. Object, a Container with Variables and Methods 8. Let's Make a Game! – from Idea to Development 9. Starting Your First Game 10. Writing GameManager 11. The Game Level 12. The User Interface 13. Collectables 14. Enemies 15. Audio, 3D Games, and Export

Instantiating an object


We know exactly how to write a class as an object. The next step would be creating an instance of the object of that class. In C#, we use the new keyword to instantiate the object.

The syntax looks like this:

new ObjectType(); 

So, we are using the new keyword followed by an ObjectType, and then we have the opening and closing brackets. ObjectType is just your class name (we discussed this before).

Each time you instantiate an object of any class, Unity will create some space in the memory to store that object. The issue in the preceding syntax is that we are not assigning that freshly created object anywhere. Therefore, we won't be able to access its data.

The best way is to assign this object to a variable:

ObjectType myObjectInstance = new ObjectType(); 

This way, we can access and change any variables inside our myObjectInstance object using the dot syntax. Again, let's learn from examples; OOP might seem a bit confusing at the start, but I promise you will master it...

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