Introduction Paragraph： This essay will discuss how to create a simple VR game from scratch and will package the game after the game is completed. This essay will have two sections. The first section is that product a VR game. The second section is that how to package the game after the development of the game is completed. Each section will contain many parts, and each part contains more details. All parts are arranged in chronological order. By this way, a reader could follow author's view, and finish all parts of the works step by step. In the first section, the author will create the game following three parts. In the first part，author will discuss how to implement the game infrastructure, and will also talk about advantages and disadvantages of a self-made game engine and commercial engines. In the second part, the author will discuss features of the game, and discuss how each feature in the game come from the history of games, and select a commercial engines depend on the game features. In the third part, the author will discuss how to create art resources and how to code the game with visual script in Unreal Engine 4. This part will cover coding and creating art resources which are very important elements for the game. The author have three way to create art resources depend on the type of art resources are different. Each way contains their special technique to create an art resource. The game will be completed when coding and art resources had been created and designed. The author will bring a reader to next section when the game has been completed. The second section is the packaging of the game. In the second section, the author will package the game using the knowledge of graphic design. They are seven parts of the section. There is no chronological sequence of these seven parts. Each part will follow the step from doing research, and then create a layout of the design, and create many version of design, and final choice the best one. These six parts are in the following, game logo, game website, game pre-order poster, preview webpage when the game sell on amazon.com and Steam, game gift card design, game CD cover and Box Cover design, and a book design with all the research to create the game. The First Section: Create the Game In the section, the author will analysis the selection of basic game framework, and then the author will explain advantage and disadvantage of commercial game engines, and then the author will analysis how features in the game are related to the other famous games in the history. The author will select a commercial game engine to depend on the features of the game, and the last part will explain how to coding the game and creating art resources for the game scene. The first part of creating the game section is analysis the selection of basic game framework. As we know，making a game need to be proficient in some programming languages, such as C++ or C#. The core components that use these programming languages for computer games or some interactive real-time image render applications is called game engine. A game engine is a tool that allows game designers to make games quickly and easily, rather than starting from scratch. The game engine usually contains many subsystems. These subsystems are extremely complex. Some subsystems are designed for simple tasks, such as sound effects and animations. While other subsystems involve using a comprehensive knowledge of many disciplines, such as artificial intelligence, physical computing, and collision detection. One person makes a game engine is extremely difficult, it will be very simple even if it can be produced, or the engine has long been out of the market when it's finished. Making a game engine by one person that is not realistic, so the second way is using a commercial game engine. Commercial game engines are developed by a company. These engines usually have a very large team to develop. These companies make a living by engine license fee which is 5% sale of the total revenue after a game sell to the market. These commercial game engines could be understood as a well-packaged box, a game developer cannot open the box, but the box has many interfaces. What a game developer needs to do is just put the right thing in the right interface, these commercial game engines will make every complex thing become easier. These commercial game engine will not offer some specific function in the game, such attack enemy or open player's inventory. Achieve these specific functions need to be coding by a game developer. Commercial game engines is not a temple. It's a tool which could help a game developer and game artist work together. A real game product requires the efforts from programmers and artists. Commercial game engines could make everything easier, and make game developer focus on the game itself. Just like Adobe series software, such as Photoshop, Illustrator, InDesign, Which could help graphic design focus on the design rather than on the tools needed to create the design. In this project, the author selected using one of commercial game engines to quickly and efficiently come and go to the development stage of the game. The second part of creating a game section explains advantage and disadvantage of commercial game engines. There are many commercial game engines on the market. These game engines have their strengths and weaknesses. The author will choose a suitable game engine for the game project. There are four famous commercial game engines the author would like to discuss. They are Unity 3D, Unreal Engine 4, Game Maker, Hero Engine. Unity is a multi-platform game engine that allows a game developer to easier creates interactive Three-dimensional phone applications. One of the best things about Unity 3D is the Personal Edition, which is free.Unlike Unreal Engine 4, Unity 3D has a lower learning cost and a very friendly user interact system. Some tools which the engine offers are rare, so the game designer has to develop additional tools depending on project needs, which could take time. GameMaker Studio has become popular because it does not require any knowledge of programming. Game designers can develop games efficiency and quickly than traditional programming. The important disadvantages compare to other game engines in the market is that a number of tools offered are relatively poor. The HeroEngine is developed mainly for multiplayer and online games. The engine also includes the HeroCloud that is designed to programming, and also create physics systems. It allows game developers to work from a distance in real time. The engine provides many open-world maps. Additionally, the engine offers a fairly robust A.I.Easy system and handy mapping tools. The programming script is useful enough for developing complex projects. The license fee is really heavy for new game developers or small companies, but the actual performance is really good, especially if you are facing a large and complex online project. Unreal Engine is one of the most famous game engines in the world. The first version was released in 1998, and it continues to be used in creating an excellent game every year until 17 years later. Some famous game created by Unreal Engine include Mass Effect series and the Batman: Arkham series. Unreal Engine 4 was considered that too heavy for a mobile platform such as global illumination, bump mapping, reflections and animations that are computed in real time, and more. Unreal Engine 4 has an ultra-performance on console and PC platform.The other drawback is that game developer is warning of a steep learning curve, and there are many tools that are not user-friendly. The third part of creating a game section is analysis how features in the game are related from some famous games in the history and advanced technology. There are many features in the game，some of feature could be found in the game history，the other features will only achieve by advanced technology. All of the features are the combination of history and technology. The author will list all of them and talk about what they are, where they come from in the game history, and how to fulfill these feature with a game engine. Those features could be found in the history is First person perspective, Three-dimensional, and Roleplaying games. Features could only be achieved by the technique is Focus on-screen performance, Virtual Reality compatible, and Coding with the visual script. The first game using the first-person perspective is "might and Magic book One: The Secrect of the Inner Sanctum(MM1)" in game history. MM1 was made by "New World Computing." MM1 released at Christmas in 1986, which support Apple II + platform. MM1 includes many features, such as Team system, First person perspective, and different race and camp, Monsters, and many landscapes. The first three-dimensional game was released in June 1996. The game is called "QUAKE" which created by "id software"(https://www.idsoftware.com/en-us). This game is an important symbol, which represents PC game have entered three-dimensional era. Everything is made by polygons in the game, that's why the game is called a real 3D game. In addition, "3dfx" produced a Voodoo accelerated graphics card make the game's 3D picture possible. The first Role-playing games(RPG) is released on 1981(http://www.squakenet.com/download/wizardry-i-proving-grounds-of-the-madoverlord/5305/). The game is called "Wizardry I" which created by "Sir-tech Software." "Wizardry I: Proving Grounds of the Mad Overlord" looks very poorly by modern day first person gaming standards, but at the time it was quite innovative. Unreal Engine 4 and Hero Engine are good game engines for screen performance. While only Unreal Engine 4 supports the most advanced "Physics-based Rendering"(PBR) material rendering process. Because the game will run on the PC, so the drawback of Unreal 4 can be ignored, which is too heavy for a mobile platform. There is only Unreal Engine 4 support HTC Vive VR device well, Unreal Engine 4 is VR compatible, which is suitable for the project. Unreal Engine 4 also support visual script, which is called "Blueprint" system in Unreal Engine 4. The fourth Part of the game creating section is select the engine and create elements for the game. There are two things author need to start after the engine has been selected. The first thing is master the operation of Unreal Engine 4, and learning how to create a visual script using "Blueprint" system in Unreal Engine 4. The second thing is to generate art resources for the game. The first things are master Unreal Engine 4. Unreal Engine 4 is a very powerful game engine, I have maintained a year and a half of continuous learning, most of this knowledge comes from video teaching. Some of the basic tutorials are from China, as well as advanced tutorials from Youtube.com. These tutorials helped me understand the engine, learned about Visual Scripting in the engine, learned how art resources were made and imported, and learned some common ways to interoperate. Due to space issues, I can not expand the entire content, but this part allows me to learn a lot of knowledge. After completing the UE4 comprehensive learning, I modified and fixed some bug in the visual script that makes the game worked.
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