ArcadeSpaceShooter_OpenGL

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ArcadeSpaceShooter_OpenGL

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A simple Space Shooter game coded and designed in C++ language in OpenGL.

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<h1 align="center">Space Shooter: OpenGL Arcade Experience</h1>

<p align="center">
  A high-adrenaline 2D <b>Space Shooter</b> game built using <b>C++</b> and <b>OpenGL/GLUT</b>. Experience classic arcade mechanics featuring procedurally generated starfields, dynamic collision detection, and a reactive UI system, all rendered using hardware-accelerated graphics.
</p>

---
<br>

<h2 align="center">Technical Architecture</h2>

The game engine is designed around the **GLUT Event Loop**, managing real-time rendering and state transitions via a callback-based architecture:

1.  **Rendering Engine:** Utilizes `GLUT_DOUBLE` buffering to eliminate flickering. The coordinate system is mapped using `glOrtho` to provide a consistent 800x600 resolution.
2.  **State Management:** Controls transitions between `WelcomeScreen`, `Gameplay`, and `GameOver` states using boolean flags and reactive timers (`glutTimerFunc`).
3.  **Collision Logic:** Implements an AABB (Axis-Aligned Bounding Box) collision detection algorithm to manage Bullet-Enemy and Enemy-Player interactions.
4.  **Procedural Background:** Features a dynamic starfield system where 100+ stars are generated with randomized velocities to create a parallax-like depth effect.

---
<br>

<h2 align="center">Project Structure</h2>

```
ArcadeSpaceShooter_OpenGL/
├── LICENSE                                   # MIT License
├── README.md                                 # Project documentation
├── .gitattributes                            # Git configuration
│
├── OpenGL/                                   # Source and Visual Studio Solution
│   ├── SpaceShooter/
│   │   ├── SpaceShooter.cpp                  # Main Game Logic & Rendering
│   │   └── SpaceShooter.vcxproj              # VS Project Configuration
│   ├── packages/                             # NuGet dependencies (FreeGLUT)
│   └── SpaceShooter.sln                      # Visual Studio Solution File
│
└── Screenshots/                              # Visual Gameplay Previews
    ├── OpenGL_v1.png
    ├── OpenGL_v2.png
    └── ...
```

---
<br>

<h2 align="center">Gameplay Mechanics</h2>

- **Spacecraft Navigation**: Responsive vertical movement across the screen.
- **Tactical Combat**: Fire high-speed projectiles to eliminate infinite enemy waves.
- **Dynamic Enemies**: Enemies spawn at randomized Y-coordinates with increasing speed.
- **Score Tracking**: Real-time HUD displaying the current session score.
- **Atmospheric Depth**: A live-rendered starfield provides an immersive cosmic backdrop.

### Controls Table
<table align="center">
  <tr>
    <th align="center">Action</th>
    <th align="center">Input Key</th>
  </tr>
  <tr>
    <td align="center">Move Up</td>
    <td align="center"><b>W</b></td>
  </tr>
  <tr>
    <td align="center">Move Down</td>
    <td align="center"><b>S</b></td>
  </tr>
  <tr>
    <td align="center">Fire Bullet</td>
    <td align="center"><b>Space</b></td>
  </tr>
  <tr>
    <td align="center">Start / Restart</td>
    <td align="center"><b>Space / Y</b></td>
  </tr>
</table>

---
<br>

<h2 align="center">Technical Specifications</h2>

<table align="center">
  <tr>
    <th align="center">Component</th>
    <th align="center">Specification</th>
  </tr>
  <tr>
    <td align="center"><b>Language</b></td>
    <td align="center">C++ 17</td>
  </tr>
  <tr>
    <td align="center"><b>Graphics API</b></td>
    <td align="center">OpenGL 2.1+ / GLUT</td>
  </tr>
  <tr>
    <td align="center"><b>Resolution</b></td>
    <td align="center">800 x 600 (Fixed Orthographic)</td>
  </tr>
  <tr>
    <td align="center"><b>Performance</b></td>
    <td align="center">Target 60 FPS (16ms Refresh Rate)</td>
  </tr>
  <tr>
    <td align="center"><b>Dependency Manager</b></td>
    <td align="center">NuGet Package Manager</td>
  </tr>
</table>

---
<br>

<h2 align="center">Deployment & Installation</h2>

### 1. Repository Acquisition
Clone the project to your local workstation:

```bash
git clone https://github.com/Zer0-Bug/ArcadeSpaceShooter_OpenGL.git
```
```bash
cd ArcadeSpaceShooter_OpenGL
```

### 2. Launching in Visual Studio
1. Navigate to the `OpenGL/` directory.
2. Open `SpaceShooter.sln` using **Visual Studio 2019/2022**.
3. Under **Tools > NuGet Package Manager**, select **Restore NuGet Packages** to install `freeglut`.

### 3. Build & Run
1. Set the solution configuration to **Debug** and the platform to **x64**.
2. Press **F5** to compile the source code and launch the space shooter environment.

---
<br>

<h2 align="center">Contribution</h2>

Contributions are always appreciated. Open-source projects grow through collaboration, and any improvement—whether a bug fix, new feature, documentation update, or suggestion—is valuable.

To contribute, please follow the steps below:

1. Fork the repository.
2. Create a new branch for your change:  
   `git checkout -b feature/your-feature-name`
3. Commit your changes with a clear and descriptive message:  
   `git commit -m "Add: brief description of the change"`
4. Push your branch to your fork:  
   `git push origin feature/your-feature-name`
5. Open a Pull Request describing the changes made.
<br>
All contributions are reviewed before being merged. Please ensure that your changes follow the existing code style and include relevant documentation or tests where applicable.

---
<br>
<p align="center">
  <a href="mailto:777eerol.exe@gmail.com">
    <img src="https://cdn.simpleicons.org/gmail/D14836" width="40" alt="Email">
  </a>
  <span> × </span>
  <a href="https://www.linkedin.com/in/eerolexe/">
    <img src="https://upload.wikimedia.org/wikipedia/commons/c/ca/LinkedIn_logo_initials.png"
         width="40"
         alt="LinkedIn">
  </a>
</p>

---

ArcadeSpaceShooter_OpenGL

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