If you’re a programmer looking to learn how to use the popular game engine Unreal Engine with C++, this tutorial will help you get started. In this guide, we’ll cover everything you need to know about setting up your development environment, creating a new project in Unreal Engine, and writing code with C++.
Prerequisites
Before diving into the tutorial, make sure you have the following:
- A computer with at least 4 GB of RAM and an Intel Core i3 processor or higher
- A copy of Unreal Engine (you can download it from the official website)
- A basic understanding of programming concepts such as variables, data types, functions, and loops
Setting up your Development Environment
- Install Visual Studio: If you don’t already have Visual Studio installed, go to the Microsoft website and download the latest version. Make sure to select the C++ development kit during installation.
- Download and install Unreal Engine: Go to the official Unreal Engine website and download the latest version of the engine. Follow the installation instructions provided.
- Configure Visual Studio: Open Visual Studio and go to Tools > Options. In the left-hand pane, select C/C++ > General. Under the “Include directories” section, add the path to the Unreal Engine include directory (usually located in the installation folder). Under the “Additional Include Directories” section, add the path to the Visual Studio include directory.
- Configure the Unreal Engine project: Open Unreal Editor and create a new project by going to File > New C++ Project. Select the project template you want to use (e.g., 3D Game) and click “Create Project”. In the project settings, make sure to select the Visual Studio compiler and set the include directories to the paths you added in step 3.
Creating a New Project in Unreal Engine with C++
- Create a new blueprint: Go to the Content Browser in Unreal Editor and right-click to create a new blueprint. Name it something descriptive, such as “MyCharacter”.
- Add a mesh: Open the Details panel and drag and drop a mesh onto it. You can find meshes in the Assets folder of your project.
- Add a controller: Go to the Animation tab in the Details panel and click on the “Controllers” button. Select the controller you want to use (e.g., First Person Controller) and click “Create”.
- Set up input bindings: Go to the Input tab in the Details panel and set up the input bindings for your controller. For example, you can map the left mouse button to fire an arrow.
- Write code with C++: Open Visual Studio and go to View > Tool Windows > Show Explorer. In the Solution Explorer, navigate to the Source folder of your project and open the C++ source file that corresponds to your blueprint. You can now start writing code in C++ to control your character’s behavior and interact with the game world.
Tips and Tricks
* Use Blueprints: While C++ is a powerful language, you don’t have to use it exclusively in Unreal Engine. Blueprints are a visual scripting system that allows you to create complex game logic without writing any code. You can use both Blueprint and C++ together to create the perfect game.
* Debugging: When debugging your code in Visual Studio, make sure to set breakpoints at key points in your code to help identify and fix issues. You can also use the Unreal Engine debugger to step through your code and see how it’s executing.