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Interested in game making? Start in Unity—a game engine for mobile and desktop games and real-time simulations. Author Adam Crespi shows techniques used in game development with Unity and introduces the basics of scripting and game functionality. First, learn how to import models and textures, organize your project and hierarchies, and add terrain, water, and foliage. Next, Adam explores how to use lighting to bring the game to life, and add rendering, particles, and interactivity. The end result is a sample game with a lush environment, fully animated characters, and some basic interactive gameplay.
For most games, our assets will be made in another package besides Unity. We'll use programs such as Autodesk Maya, Adobe Photoshop, and Pixologic Zbrush, for example, making the different pieces we need and placing them here in our game. It's very easy for a game to have several hundred assets even if it's a small game on one level. And large games can easily have a million assets ranging from textures, to models, to separate animations, to scripts. Therefore, being organized is super important.
I can't stress that one enough, that even if you think you're making just a quick working game, creating some folders in the Assets folder and organizing how you're bringing in things will save you a lot of time and rummaging around. I'll make some folders here in my Assets folder, and these'll be for things like imported meshes, textures, pre-fabs I'm going to make, scripts and animations. So when I start to bring in all my different assets, I know right where they should go and which ones I should choose from to make my game and which ones I should leave alone.
I'll start out by right clicking in the Assets folder and choosing Create>Folder. This is just like creating a folder in a directory, but we can do it from inside Unity. I'll name this folder, Meshes. This will be from my imported mesh files from Maya. I'll make another new folder for textures, one for animations, and also one for scripts. I've made all of my folders, and I'm almost ready to import in objects. Right now, I have one scene, my 0301 start screen, and I've stripped out the plains, because I'm going to bring in my objects from Mile.
I'm going to leave the first person controller in the scene, but I'm going to put the scene in it's own Scenes folder. Now this game we're going to make is one scene as the entire game level, but it's a good idea to have scenes in a scene folder. And that way, if you have multiple scenes such as a load scene for example or an end scene or maybe a scene that's viewable only when you go through a doorway, you can keep them organized as well. I'll make one more new folder called Scenes, and while I'm at it, one for materials.
Now I've got my folder structure ready. I'll take this 0301 start scene and drop it into the Scenes folder. We can simply drag things around as we need and the folder icon changes. We can also view these folders at different sizes by sliding the Size slider down at the bottom. Depending on how long our names are and how big the icons are that we would like to see, we can go bigger or smaller, all the way down to a list if we like. I'm ready to start bringing in pieces. I've established a clear organizational structure so that later, when I start to have, well, assets all over the place, I can find them easily, and I don't end up duplicating work or using more than one of one object.
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