主要的文件结构

src/main/java/uno/mloluyu/desktop/GameCore.java

@@ -0,0 +1,41 @@
+package uno.mloluyu.desktop;
+
+import com.badlogic.gdx.ApplicationListener;
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.graphics.GL20;
+import com.badlogic.gdx.graphics.Texture;
+import com.badlogic.gdx.graphics.g2d.SpriteBatch;
+
+public class GameCore implements ApplicationListener {
+    private SpriteBatch batch;
+    private Texture img;
+
+    @Override
+    public void create() {
+        batch = new SpriteBatch();
+        img = new Texture(Gdx.files.internal("badlogic.jpg"));
+    }
+
+    @Override
+    public void render() {
+        Gdx.gl.glClearColor(0.15f, 0.15f, 0.2f, 1);
+        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
+
+        batch.begin();
+        batch.draw(img, 0, 0);
+        batch.end();
+    }
+
+    @Override
+    public void dispose() {
+        batch.dispose();
+        img.dispose();
+    }
+
+    @Override
+    public void resize(int width, int height) {}
+    @Override
+    public void pause() {}
+    @Override
+    public void resume() {}
+}

src/main/java/uno/mloluyu/desktop/Launcher.java

@@ -0,0 +1,15 @@
+package uno.mloluyu.desktop;
+
+import com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application;
+import com.badlogic.gdx.backends.lwjgl3.Lwjgl3ApplicationConfiguration;
+
+public class Launcher {
+    public static void main(String[] args) {
+        Lwjgl3ApplicationConfiguration configuration = new Lwjgl3ApplicationConfiguration();
+        configuration.setTitle("Test Game");
+        configuration.setWindowedMode(800, 600);
+        configuration.setForegroundFPS(60);
+        configuration.useVsync(true);
+        new Lwjgl3Application(new GameCore(), configuration);
+    }
+}