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

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

By : Norton
3.8 (50)
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Learning C# by Developing Games with Unity 3D Beginner's Guide

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

3.8 (50)
By: 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 (16 chapters)
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15
Index

Time for action – attaching the FollowingPlayer camera script

This camera script has three added lines of code to make the camera move as Player moves.

Attach this script to Following Camera in the Hierarchy panel:

Time for action – attaching the FollowingPlayer camera script

What just happened?

An analysis of the code shown in the preceding screenshot is as follows:

Line 6: public float cameraHeight = 17.0f;

  • The variable cameraHeight stores the distance the camera will be above Player

Line 7: public float cameraDistance = 17.0f;

  • The variable cameraDistance stores the distance the camera will be away from Player on the x and z axes

Line 18: transform.position = playerPosition.position +

new Vector3(cameraDistance, cameraHeight, -cameraDistance);

  • The variable playerPosition stores the transform data of Player, but all we want to know is the position data from all that transform data
  • Therefore, playerPosition.position stores the constantly changing x, y, z position of Player
  • The height and distance data stored in cameraHeight and cameraDistance...
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