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Learning C# 7 By Developing Games with Unity 2017

You're reading from   Learning C# 7 By Developing Games with Unity 2017 Learn C# Programming by building fun and interactive games with Unity

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Product type Paperback
Published in Dec 2017
Publisher Packt
ISBN-13 9781788478922
Length 290 pages
Edition 3rd Edition
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Author (1):
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Micael DaGraça Micael DaGraça
Author Profile Icon Micael DaGraça
Micael DaGraça
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Table of Contents (16) Chapters Close

Preface 1. Discovering Your Hidden Scripting Skills and Getting Your Environment Ready FREE CHAPTER 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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