Book Image

Learning C# by Developing Games with Unity 3D Beginner's Guide

By : Terry Norton
Book Image

Learning C# by Developing Games with Unity 3D Beginner's Guide

By: Terry Norton

Overview of this book

For the absolute beginner to any concept of programming, writing a script can appear to be an impossible hurdle to overcome. The truth is, there are only three simple concepts to understand: 1) having some type of information; 2) using the information; and 3) communicating the information. Each of these concepts is very simple and extremely important. These three concepts are combined to access the feature set provided by Unity. "Learning C# by Developing Games with Unity 3D Beginner's Guide" assumes that you know nothing about programming concepts. First you will learn the absolute basics of programming using everyday examples that you already know. As you progress through the book, you will find that C# is not a foreign language after all, because you already know the words. With a few keywords and using substitution, before you know it, you'll be thinking in code. The book starts by explaining in simple terms the three concepts you need for writing C# code and scripts: 1) variables to hold information; 2) methods (functions) to use the information; and 3) Dot Syntax to communicate the information where it's needed. The book builds on these concepts to open up the world of C# coding and Unity scripting. You will use this new power to access the features provided in Unity's Scripting Reference. The first half of this book is devoted to the code writing beginner. The concepts of variables, methods, Dot Syntax, and decision processing are fully explained. Since C# is an actual programming language, we take advantage of this to develop a State Machine to help control and organize each phase of a Unity project. Once the basic programming concepts are established and we have some State Machine organization, the features and power of Unity are accessed using the Scripting Reference. If you're looking to learn C# for Unity then this is the book that offers everything you need and more - so discover what C# offers today and see your work come to life as complete games!
Table of Contents (21 chapters)
Learning C# by Developing Games with Unity 3D Beginner's Guide
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Calling a method


In the earlier screenshot, look at lines 12 and 22. Do you notice anything different? They sure don't look the same, do they? The variable names, which the blue arrows point to, are different.

If you are looking at that code and saying "What the heck?" then don't feel bad. When I was first learning the concept of calling methods, I had one heck of time understanding how the code worked. It is, in fact, very simple, but I fought with this for days before the lights came on. I consulted all the programming books I had, written by all the experts, and not a single one had the decency to explain how the code worked. All those book authors just assumed I'd "get it" because after all, they were experts.

I had to figure it out myself with trial and error testing. After many days, I finally had my "Ah-Ha" moment.

Using arguments in the parentheses of a method

Arguments?? Who dreams up these words? We all know what an argument is. Every one of us has been involved in an argument at some...