Flappy Bird - Java Edition

A simple Flappy Bird clone written in Java using javax.swing and java.awt.
This project demonstrates basic game programming concepts such as animation, collision detection, and user input handling.

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Features

• Classic Flappy Bird gameplay mechanics
• Simple graphics rendering with Java Swing
• Keyboard controls (spaceBar to flap)
• Basic collision detection with pipes and ground
• Score tracking
• JSON parsing with Gson for sprite configuration (new)

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Game Menu	Gameplay

• Game Over Screen

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How to Run

Using IntelliJ IDEA

1. Open the project folder in IntelliJ IDEA.
2. Make sure your Project SDK is set to JDK 21 or higher.
3. Build the project (Build > Build Project).
4. Run the main class flappybird.core.FlappyBird (right-click > Run).

Using VS Code

1. Install the Java Extension Pack.
2. Ensure your Java version is JDK 21 or higher (java -version).
3. Configure .vscode/settings.json if needed:

   {
     "java.project.sourcePaths": ["src/main/java"],
     "java.project.outputPath": "target/classes"
   }

4. Reload the workspace and build the project.
5. Run flappybird.core.FlappyBird (right-click > Run Java).

Using Maven (Command Line)

1. Make sure you have JDK 21 set as your JAVA_HOME.

2. Run:

   mvn clean compile
   mvn exec:java -Dexec.mainClass="flappybird.core.FlappyBird"

Note: If you are using a Java version between 14 and 21, make sure to update your Maven compiler plugin to specify the correct source and target versions in your pom.xml. For example:

<build>
  <plugins>
    <plugin>
      <groupId>org.apache.maven.plugins</groupId>
      <artifactId>maven-compiler-plugin</artifactId>
      <version>3.13.0</version>
      <configuration>
        <source>14</source>
        <target>14</target>
      </configuration>
    </plugin>
  </plugins>
</build>

This ensures your project compiles correctly if your JDK is lower than 21 but at least 14 or higher.

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Controls

• SpaceBar or Left Mouseclick — Make the bird flap (jump)
• Escape — Return to Menu

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Dependencies

• Java Standard Edition (JDK 21 or higher)
• Gson (for JSON parsing, managed by Maven)

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License

This project is open source and free to use under the MIT License.

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