Unity3D is a widely used game development engine that provides a wealth of features and tools that allow developers to easily create high-quality games. Before starting to develop a new game project, we need to build a game framework. This framework will provide some basic functions and structures to lay the foundation for subsequent development work.
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In this article, we will introduce in detail how to build a basic Unity3D game framework, including technical details and code implementation.
- Create a project
First, we need to create a new project in Unity3D. Open the Unity3D editor, click the "New Project" button, enter the project name and save path in the pop-up dialog box, and then click the "Create" button. Unity3D will automatically create a new project and open the main editing interface. 
- Create game scenes
Game scenes are an important part of the game. We need to create one or more game scenes to display the game content. In the "Project" window, right-click the blank area and select "Create"->"Scene" to create a new game scene. Then, drag and drop the scene file into the "Hierarchy" window to set it as the current scene. 
- Add game logic
Game logic is the core part of the game, which determines the gameplay and rules of the game. We can use C# scripts to write game logic. In the "Project" window, right-click the blank area and select "Create"->"C# Script" to create a new script file. Then, drag and drop the script file onto the player character object to add it as a component to the player character.
In the script file, we can write the code for the game logic. For example, we can add an Update function that updates the player character's position and status every frame. Here is a simple example code:
using UnityEngine;
public class PlayerController : MonoBehaviour
{
private void Update()
{
// 获取玩家输入
float horizontalInput = Input.GetAxis("Horizontal");
float verticalInput = Input.GetAxis("Vertical");
// 根据玩家输入更新玩家角色的位置
transform.Translate(new Vector3(horizontalInput, 0, verticalInput) * Time.deltaTime);
}
}- Running the game
After completing the construction of the game framework, we can click the "Play" button in the Unity3D editor to run the game. Unity3D will automatically compile the game code and display the game scene and player character in the game window. We can use the keyboard or mouse to control the player character and test the game's functionality and performance.
To sum up, the process of building a Unity3D game framework includes steps such as creating a project, setting the game interface, importing resources, creating game scenes, adding cameras, adding player characters, adding game logic and running the game. Through reasonable planning and design, we can establish a game framework with good structure and functions to provide support and convenience for subsequent game development work.