Git Init

.gitignore

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+# Gradle-Build-Ordner (generierte Dateien)
+.gradle/
+build/
+
+# IntelliJ IDEA
+.idea/
+*.iml
+out/
+
+# Eclipse
+.project
+.classpath
+.settings/
+
+# MacOS
+.DS_Store
+
+# Windows
+Thumbs.db
+
+# Logdateien
+*.log
+
+# Betriebssystem-Dateien
+desktop.ini
+
+# Sonstiges
+bin/

README.md

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+# 🪙 Catch the Coins
+
+**Catch the Coins** ist ein kleines Java-Spiel, das ich zu Lernzwecken mit dem Framework [LibGDX](https://libgdx.com/) entwickelt habe. Ziel des Spiels ist es, mit einem Korb fallende Münzen einzufangen und Leben zu kaufen, um länger zu überleben.
+
+---
+
+## 🎮 Steuerung
+
+| Taste | Funktion                                  |
+|-------|-------------------------------------------|
+| **A** | Korb nach links bewegen                   |
+| **D** | Korb nach rechts bewegen                  |
+| **L** | Ein Leben kaufen (wenn du 10 Coins hast)  |
+
+---
+
+## 🕹️ Spielprinzip
+
+- Fange mit dem Korb so viele Münzen wie möglich.
+- Für jeweils **10 gesammelte Münzen** kannst du dir durch Drücken von **L** ein zusätzliches Leben kaufen.
+- Verliere keine Münzen – sonst verlierst du Leben!
+
+---
+
+## 🛠️ Technologien
+
+- **Programmiersprache:** Java  
+- **Framework:** LibGDX  
+- **Build-Tool:** Gradle (LWJGL3 Backend)
+
+---
+
+## 🚀 Voraussetzungen
+
+- **Java Development Kit (JDK)** – Version 17 oder höher  
+- **IntelliJ IDEA** (oder eine andere Java-IDE)  
+- Internetverbindung beim ersten Build (für Gradle-Abhängigkeiten)
+
+---
+
+## ▶️ Spiel starten
+
+Öffne das Projekt in IntelliJ und führe folgenden Gradle-Task aus:
+
+```bash
+./gradlew lwjgl3:run

assets/.gitkeep

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+This file can be deleted if there are any other files present in this folder.
+It is only here to ensure this folder is added to Git, instead of being
+ignored because it is empty.

assets/assets.txt

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+.gitkeep
+basket.png
+coin.png
+dead.png
+font.fnt
+hs_err_pid8522.log

build.gradle

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+buildscript {
+  repositories {
+    mavenCentral()
+    maven { url 'https://s01.oss.sonatype.org' }
+    gradlePluginPortal()
+    mavenLocal()
+    google()
+    maven { url 'https://oss.sonatype.org/content/repositories/snapshots/' }
+    maven { url 'https://s01.oss.sonatype.org/content/repositories/snapshots/' }
+  }
+  dependencies {
+
+
+  }
+}
+
+allprojects {
+  apply plugin: 'eclipse'
+  apply plugin: 'idea'
+
+  // This allows you to "Build and run using IntelliJ IDEA", an option in IDEA's Settings.
+  idea {
+    module {
+      outputDir file('build/classes/java/main')
+      testOutputDir file('build/classes/java/test')
+    }
+  }
+}
+
+configure(subprojects) {
+  apply plugin: 'java-library'
+  sourceCompatibility = 8
+
+  // From https://lyze.dev/2021/04/29/libGDX-Internal-Assets-List/
+  // The article can be helpful when using assets.txt in your project.
+  tasks.register('generateAssetList') {
+    inputs.dir("${project.rootDir}/assets/")
+    // projectFolder/assets
+    File assetsFolder = new File("${project.rootDir}/assets/")
+    // projectFolder/assets/assets.txt
+    File assetsFile = new File(assetsFolder, "assets.txt")
+    // delete that file in case we've already created it
+    assetsFile.delete()
+
+    // iterate through all files inside that folder
+    // convert it to a relative path
+    // and append it to the file assets.txt
+    fileTree(assetsFolder).collect { assetsFolder.relativePath(it) }.sort().each {
+      assetsFile.append(it + "\n")
+    }
+  }
+  processResources.dependsOn 'generateAssetList'
+
+  compileJava {
+    options.incremental = true
+  }
+}
+
+subprojects {
+  version = "$projectVersion"
+  ext.appName = 'Catch_The_Coins'
+  repositories {
+    mavenCentral()
+    maven { url 'https://s01.oss.sonatype.org' }
+    // You may want to remove the following line if you have errors downloading dependencies.
+    mavenLocal()
+    maven { url 'https://oss.sonatype.org/content/repositories/snapshots/' }
+    maven { url 'https://s01.oss.sonatype.org/content/repositories/snapshots/' }
+    maven { url 'https://jitpack.io' }
+  }
+}
+
+eclipse.project.name = 'Catch_The_Coins' + '-parent'

core/build.gradle

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+[compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
+eclipse.project.name = appName + '-core'
+
+dependencies {
+  api "com.badlogicgames.box2dlights:box2dlights:$box2dlightsVersion"
+  api "com.badlogicgames.gdx:gdx-ai:$aiVersion"
+  api "com.badlogicgames.gdx:gdx-box2d:$gdxVersion"
+  api "com.badlogicgames.gdx:gdx:$gdxVersion"
+
+  if(enableGraalNative == 'true') {
+    implementation "io.github.berstanio:gdx-svmhelper-annotations:$graalHelperVersion"
+    implementation "com.badlogicgames.gdx:gdx-freetype:$gdxVersion"
+
+  }
+}

core/src/main/java/de/leon2k/studios/FirstScreen.java

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+package de.leon2k.studios;
+
+import com.badlogic.gdx.Game;
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.Screen;
+import com.badlogic.gdx.graphics.GL20;
+import com.badlogic.gdx.graphics.OrthographicCamera;
+import com.badlogic.gdx.graphics.g2d.SpriteBatch;
+import com.badlogic.gdx.math.Matrix4;
+import com.badlogic.gdx.math.Vector2;
+import com.badlogic.gdx.physics.box2d.*;
+import de.leon2k.studios.objects.Coin;
+import de.leon2k.studios.objects.Dead;
+import de.leon2k.studios.objects.Player;
+import de.leon2k.studios.objects.spawner.ObjectsSpawner;
+import de.leon2k.studios.ui.Coins;
+import de.leon2k.studios.ui.Lives;
+import de.leon2k.studios.utilis.GameContext;
+import de.leon2k.studios.utilis.KeyBoardManager;
+
+public class FirstScreen implements Screen {
+
+    // Statische Konstanten für bessere Übersicht
+    public static final float PPM = 25f; // Pixels Per Meter - dieselbe wie in Player.java!
+
+    // Kamera und Rendering
+    private SpriteBatch batch;
+    private OrthographicCamera camera;
+    private Box2DDebugRenderer debugRenderer;
+
+    public Lives lives;
+    public Coins coins;
+
+    // Spielwelt und Objekte
+    private World world;
+    public static ObjectsSpawner objectsSpawner;
+
+    @Override
+    public void show() {
+        // --- 1. Kamera und Renderer einmalig erstellen ---
+        camera = new OrthographicCamera();
+        resize(Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
+
+        batch = new SpriteBatch();
+        debugRenderer = new Box2DDebugRenderer();
+        lives = new Lives();
+        coins = new Coins();
+
+        // --- 2. Spielwelt initialisieren ---
+        world = new World(new Vector2(0, -9.81f), true);
+        world.setContactListener(new MyContactListener()); // Eigene Klasse für bessere Struktur
+
+        // --- 3. Spielobjekte erstellen ---
+        GameContext.playerspeed = 5;
+        GameContext.coins = 0;
+        GameContext.lives = 5;
+
+        GameContext.player = new Player(new Vector2(150, 150), world);
+
+        objectsSpawner = new ObjectsSpawner(world);
+    }
+
+    boolean gameOverTriggered = false;
+
+    public void update(float delta) {
+        // --- 1. Physik-Welt aktualisieren ---
+        world.step(1 / 60f, 6, 2);
+
+        // --- GEÄNDERT: Zerstöre Objekte sicher NACH dem Physik-Update ---
+        objectsSpawner.destroyQueuedObjects();
+
+        if (GameContext.lives <= 0 && !gameOverTriggered) {
+            gameOverTriggered = true;
+
+            ((Game) Gdx.app.getApplicationListener()).setScreen(new FirstScreen());
+            GameContext.lives = 5;
+            GameContext.coins = 0;
+
+        }
+
+        // --- 2. Logik aktualisieren ---
+        KeyBoardManager.keyboard(delta);
+        objectsSpawner.update(delta);
+        GameContext.player.update();
+        camera.update();
+    }
+
+    @Override
+    public void render(float delta) {
+        update(delta);
+
+        Gdx.gl.glClearColor(0.1f, 0.1f, 0.2f, 1);
+        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
+
+        batch.setProjectionMatrix(camera.combined);
+        batch.begin();
+        GameContext.player.draw(batch);
+        objectsSpawner.draw(batch);
+        lives.draw(batch);
+        coins.draw(batch);
+        batch.end();
+
+        if(GameContext.dev_mode) {
+            Matrix4 debugMatrix = camera.combined.cpy().scale(PPM, PPM, 0);
+            debugRenderer.render(world, debugMatrix);
+        }
+    }
+
+    @Override
+    public void resize(int width, int height) {
+        camera.setToOrtho(false, width, height);
+    }
+
+    private static class MyContactListener implements ContactListener {
+        @Override
+        public void beginContact(Contact contact) {
+            Object a = contact.getFixtureA().getUserData();
+            Object b = contact.getFixtureB().getUserData();
+
+            // Kollision zwischen Spieler und Coin
+            if ((a instanceof Player && b instanceof Coin) || (a instanceof Coin && b instanceof Player)) {
+                Coin coin = (a instanceof Coin) ? (Coin) a : (Coin) b;
+                objectsSpawner.queueCoinForRemoval(coin);
+                GameContext.coins++; // Zähle die Münze
+            }
+
+            // Kollision zwischen Spieler und Dead
+            if ((a instanceof Player && b instanceof Dead) || (a instanceof Dead && b instanceof Player)) {
+                Dead dead = (a instanceof Dead) ? (Dead) a : (Dead) b;
+                objectsSpawner.queueDeadForRemoval(dead);
+                GameContext.lives--; // Reduziere Leben
+            }
+        }
+
+        @Override public void endContact(Contact contact) {}
+        @Override public void preSolve(Contact contact, Manifold oldManifold) {}
+        @Override public void postSolve(Contact contact, ContactImpulse impulse) {}
+    }
+
+    @Override
+    public void dispose() {
+        batch.dispose();
+        debugRenderer.dispose();
+        world.dispose();
+        GameContext.player.dispose();
+        objectsSpawner.dispose();
+        lives.dispose();
+        coins.dispose();
+    }
+
+    @Override public void pause() {}
+    @Override public void resume() {}
+    @Override public void hide() {}
+}

core/src/main/java/de/leon2k/studios/Main.java

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+package de.leon2k.studios;
+
+import com.badlogic.gdx.Game;
+
+/** {@link com.badlogic.gdx.ApplicationListener} implementation shared by all platforms. */
+public class Main extends Game {
+    @Override
+    public void create() {
+        setScreen(new FirstScreen());
+    }
+}

core/src/main/java/de/leon2k/studios/objects/Coin.java

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+package de.leon2k.studios.objects;
+
+import com.badlogic.gdx.graphics.Texture;
+import com.badlogic.gdx.graphics.g2d.SpriteBatch;
+import com.badlogic.gdx.math.Vector2;
+import com.badlogic.gdx.physics.box2d.*;
+import de.leon2k.studios.FirstScreen;
+
+public class Coin {
+
+    private Body body;
+    private final Texture texture;
+    private final float width = 64f, height = 64f;
+
+    public Coin(Vector2 position, World world) {
+        texture = new Texture("coin.png"); // Stellen Sie sicher, dass diese Datei existiert!
+        createBody(position, world);
+    }
+
+    private void createBody(Vector2 position, World world) {
+        BodyDef bdef = new BodyDef();
+        bdef.type = BodyDef.BodyType.DynamicBody;
+        bdef.position.set(position.x / FirstScreen.PPM, position.y / FirstScreen.PPM);
+
+        body = world.createBody(bdef);
+
+        PolygonShape shape = new PolygonShape();
+        shape.setAsBox(width / 2 / FirstScreen.PPM, height / 2 / FirstScreen.PPM);
+
+        FixtureDef fdef = new FixtureDef();
+        fdef.shape = shape;
+        fdef.isSensor = true; // Sensor, damit es keine physische Kollision gibt
+
+        body.createFixture(fdef).setUserData(this); // Wichtig: Setzt dieses Objekt als UserData
+        shape.dispose();
+    }
+
+    public void update(float delta) {
+        // Hier könnte Logik stehen, z.B. eine Animation
+    }
+
+    public void draw(SpriteBatch batch) {
+        Vector2 pos = body.getPosition();
+        float drawX = pos.x * FirstScreen.PPM - width / 2;
+        float drawY = pos.y * FirstScreen.PPM - height / 2;
+        batch.draw(texture, drawX, drawY, width, height);
+    }
+
+    public void dispose() {
+        texture.dispose();
+    }
+
+    // Wichtige Getter und Setter
+    public Body getBody() {
+        return body;
+    }
+
+    public void setBody(Body body) {
+        this.body = body;
+    }
+}

core/src/main/java/de/leon2k/studios/objects/Dead.java

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+package de.leon2k.studios.objects;
+
+import com.badlogic.gdx.graphics.Texture;
+import com.badlogic.gdx.graphics.g2d.SpriteBatch;
+import com.badlogic.gdx.math.Vector2;
+import com.badlogic.gdx.physics.box2d.*;
+import de.leon2k.studios.FirstScreen;
+
+public class Dead {
+
+    private Body body;
+    private final Texture texture;
+    private final float width = 64f, height = 64f;
+
+    public Dead(Vector2 position, World world) {
+        texture = new Texture("dead.png"); // Stellen Sie sicher, dass diese Datei existiert!
+        createBody(position, world);
+    }
+
+    private void createBody(Vector2 position, World world) {
+        BodyDef bdef = new BodyDef();
+        bdef.type = BodyDef.BodyType.DynamicBody;
+        bdef.position.set(position.x / FirstScreen.PPM, position.y / FirstScreen.PPM);
+
+        body = world.createBody(bdef);
+
+        CircleShape shape = new CircleShape(); // Kann auch eine andere Form sein
+        shape.setRadius(width / 2 / FirstScreen.PPM);
+
+        FixtureDef fdef = new FixtureDef();
+        fdef.shape = shape;
+        fdef.isSensor = true; // Sensor, um durch den Spieler zu fallen
+
+        body.createFixture(fdef).setUserData(this); // Wichtig: Setzt dieses Objekt als UserData
+        shape.dispose();
+    }
+
+    public void update(float delta) {
+        // Update-Logik
+    }
+
+    public void draw(SpriteBatch batch) {
+        Vector2 pos = body.getPosition();
+        float drawX = pos.x * FirstScreen.PPM - width / 2;
+        float drawY = pos.y * FirstScreen.PPM - height / 2;
+        batch.draw(texture, drawX, drawY, width, height);
+    }
+
+    public void dispose() {
+        texture.dispose();
+    }
+
+    // Wichtige Getter und Setter
+    public Body getBody() {
+        return body;
+    }
+
+    public void setBody(Body body) {
+        this.body = body;
+    }
+}

core/src/main/java/de/leon2k/studios/objects/Player.java

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+package de.leon2k.studios.objects;
+
+import com.badlogic.gdx.graphics.Texture;
+import com.badlogic.gdx.graphics.g2d.SpriteBatch;
+import com.badlogic.gdx.math.Vector2;
+import com.badlogic.gdx.physics.box2d.*;
+
+public class Player {
+
+    private Texture player;
+    private Body ballBody;
+    public Vector2 position;
+    private final float PPM = 25f;
+
+    public Player(Vector2 pos, World world) {
+        player = new Texture("basket.png");
+        this.position = pos;
+
+        BodyDef bodyDef = new BodyDef();
+        bodyDef.type = BodyDef.BodyType.KinematicBody;
+        bodyDef.position.set(position.x / PPM, position.y / PPM);
+
+        ballBody = world.createBody(bodyDef);
+
+        CircleShape shape = new CircleShape();
+        shape.setRadius(87.5f / PPM);
+
+        FixtureDef fixtureDef = new FixtureDef();
+        fixtureDef.shape = shape;
+        fixtureDef.density = 1f;
+
+        Fixture fixture = ballBody.createFixture(fixtureDef);
+        fixture.setUserData(this);
+
+        shape.dispose();
+    }
+
+    public void update() {
+        // Der Steuer-Vektor gibt die Position an den Physik-Körper weiter
+        ballBody.setTransform(position.x / PPM, position.y / PPM, ballBody.getAngle());
+    }
+
+    public void draw(SpriteBatch batch) {
+        float width = 175f;
+        float height = 175f;
+
+        // --- ÄNDERUNG HIER ---
+        // Die Zeichenposition wird jetzt direkt vom 'position'-Vektor gelesen.
+        // ACHTUNG: Dies wird nicht empfohlen, da es zu Abweichungen zwischen
+        // sichtbarer Position und physikalischer Kollision kommen kann.
+        float x = position.x - width / 2f;
+        float y = position.y - height / 2f;
+
+        batch.draw(player, x, y, width, height);
+    }
+
+    public void dispose() {
+        player.dispose();
+    }
+}

core/src/main/java/de/leon2k/studios/objects/spawner/ObjectsSpawner.java

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+package de.leon2k.studios.objects.spawner;
+
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.graphics.g2d.SpriteBatch;
+import com.badlogic.gdx.math.Vector2;
+import com.badlogic.gdx.physics.box2d.World;
+import com.badlogic.gdx.utils.Array;
+import com.badlogic.gdx.utils.TimeUtils;
+import de.leon2k.studios.objects.Coin;
+import de.leon2k.studios.objects.Dead;
+import de.leon2k.studios.utilis.AISpawner;
+
+import java.util.Random;
+
+public class ObjectsSpawner {
+
+    private final World world;
+    private final Random random = new Random();
+
+    private final Array<Coin> activeCoins = new Array<>();
+    private final Array<Dead> activeDeads = new Array<>();
+
+    private final Array<Coin> coinsToRemove = new Array<>();
+    private final Array<Dead> deadsToRemove = new Array<>();
+
+    private float timer = 0f;
+    private float nextDelay = 0.5f;
+
+    public ObjectsSpawner(World world) {
+        this.world = world;
+    }
+
+    public void update(float delta) {
+        timer += delta;
+
+        if (timer >= nextDelay) {
+            float decision = random.nextFloat();
+
+            if (decision < 0.10f) {
+                // 10% nix
+            } else if (decision < 0.30f) {
+                spawnCoin(); // 20%
+            } else if (decision < 0.60f) {
+                spawnDead(); // 30%
+            } else {
+                spawnCoin();
+                spawnDead(); // 40%
+            }
+
+            timer = 0f;
+            setNextDelay();
+        }
+
+        for (Coin coin : activeCoins) coin.update(delta);
+        for (Dead dead : activeDeads) dead.update(delta);
+    }
+
+    private void setNextDelay() {
+        nextDelay = 0.4f + random.nextFloat() * 1.0f; // 0.4s bis 1.4s
+    }
+
+    private void spawnCoin() {
+        float x = AISpawner.getRandomX();
+        float y = 900f;
+        Coin coin = new Coin(new Vector2(x, y), world);
+        activeCoins.add(coin);
+    }
+
+    private void spawnDead() {
+        float x = AISpawner.getRandomX();
+        float y = 900f;
+        Dead dead = new Dead(new Vector2(x, y), world);
+        activeDeads.add(dead);
+    }
+
+    public void draw(SpriteBatch batch) {
+        for (Coin coin : activeCoins) coin.draw(batch);
+        for (Dead dead : activeDeads) dead.draw(batch);
+    }
+
+    public void queueCoinForRemoval(Coin coin) {
+        if (coin != null && !coinsToRemove.contains(coin, true)) coinsToRemove.add(coin);
+    }
+
+    public void queueDeadForRemoval(Dead dead) {
+        if (dead != null && !deadsToRemove.contains(dead, true)) deadsToRemove.add(dead);
+    }
+
+    public void destroyQueuedObjects() {
+        for (Coin coin : coinsToRemove) {
+            if (coin.getBody() != null) {
+                world.destroyBody(coin.getBody());
+                coin.setBody(null);
+                activeCoins.removeValue(coin, true);
+            }
+        }
+        coinsToRemove.clear();
+
+        for (Dead dead : deadsToRemove) {
+            if (dead.getBody() != null) {
+                world.destroyBody(dead.getBody());
+                dead.setBody(null);
+                activeDeads.removeValue(dead, true);
+            }
+        }
+        deadsToRemove.clear();
+    }
+
+    public void dispose() {
+        for (Coin coin : activeCoins) coin.dispose();
+        for (Dead dead : activeDeads) dead.dispose();
+    }
+}
+
+// AISpawner.java

core/src/main/java/de/leon2k/studios/ui/Coins.java

@@ -0,0 +1,25 @@
+package de.leon2k.studios.ui;
+
+import com.badlogic.gdx.graphics.Color;
+import com.badlogic.gdx.graphics.g2d.BitmapFont;
+import com.badlogic.gdx.graphics.g2d.SpriteBatch;
+import de.leon2k.studios.utilis.GameContext;
+
+public class Coins {
+    BitmapFont font;
+
+    public Coins() {
+        font = new BitmapFont(); // Standardfont, du kannst auch eigene Fonts laden
+        font.setColor(Color.WHITE); // Farbe des Textes
+        font.getData().setScale(2); // Größe des Textes
+
+    }
+
+    public void draw(SpriteBatch batch) {
+        font.draw(batch, "Coins: " + GameContext.coins.toString(), 50, 800); // Text, X-Position, Y-Position
+    }
+
+    public void dispose() {
+        font.dispose();
+    }
+}

core/src/main/java/de/leon2k/studios/ui/Lives.java

@@ -0,0 +1,25 @@
+package de.leon2k.studios.ui;
+
+import com.badlogic.gdx.graphics.Color;
+import com.badlogic.gdx.graphics.g2d.BitmapFont;
+import com.badlogic.gdx.graphics.g2d.SpriteBatch;
+import de.leon2k.studios.utilis.GameContext;
+
+public class Lives {
+    BitmapFont font;
+
+    public Lives() {
+        font = new BitmapFont(); // Standardfont, du kannst auch eigene Fonts laden
+        font.setColor(Color.WHITE); // Farbe des Textes
+        font.getData().setScale(2); // Größe des Textes
+
+    }
+
+    public void draw(SpriteBatch batch) {
+        font.draw(batch, "Lives: " + GameContext.lives.toString(), 450, 800); // Text, X-Position, Y-Position
+    }
+
+    public void dispose() {
+        font.dispose();
+    }
+}

core/src/main/java/de/leon2k/studios/utilis/AISpawner.java

@@ -0,0 +1,12 @@
+package de.leon2k.studios.utilis;
+
+import com.badlogic.gdx.Gdx;
+
+public class AISpawner {
+    private static final float SCREEN_MARGIN = 64f;
+
+    public static float getRandomX() {
+        float screenWidth = Gdx.graphics.getWidth();
+        return SCREEN_MARGIN + (float) Math.random() * (screenWidth - 2 * SCREEN_MARGIN);
+    }
+}

core/src/main/java/de/leon2k/studios/utilis/GameContext.java

@@ -0,0 +1,17 @@
+package de.leon2k.studios.utilis;
+
+import de.leon2k.studios.objects.Player;
+
+public class GameContext {
+    public static Player player;
+    public static Integer playerspeed;
+    public static Integer coins;
+    public static Integer lives;
+    public static Boolean dev_mode;
+
+    public static void setupvariables() {
+
+        dev_mode = false;
+
+    }
+}

core/src/main/java/de/leon2k/studios/utilis/KeyBoardManager.java

@@ -0,0 +1,44 @@
+package de.leon2k.studios.utilis;
+
+import com.badlogic.gdx.Game;
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.Input;
+import com.badlogic.gdx.math.Vector2;
+import de.leon2k.studios.FirstScreen;
+
+public class KeyBoardManager {
+
+    public static void keyboard(float delta) {
+
+        float screenWidth = Gdx.graphics.getWidth();
+        float playerWidth = 175f;
+        float halfWidth = playerWidth / 2f;
+
+// Rechts (D)
+        if (Gdx.input.isKeyPressed(Input.Keys.D)) {
+            if (GameContext.player.position.x + halfWidth + GameContext.playerspeed <= screenWidth) {
+                GameContext.player.position.x += GameContext.playerspeed;
+            }
+        }
+
+// Links (A)
+        if (Gdx.input.isKeyPressed(Input.Keys.A)) {
+            if (GameContext.player.position.x - halfWidth - GameContext.playerspeed >= 0) {
+                GameContext.player.position.x -= GameContext.playerspeed;
+            }
+        }
+
+        if (Gdx.input.isKeyJustPressed(Input.Keys.L)) {
+            if (GameContext.coins >= 10) {
+                GameContext.coins -= 10;
+                GameContext.lives++;
+            }
+        }
+
+        if(Gdx.input.isKeyJustPressed(Input.Keys.ESCAPE)){
+            Gdx.app.exit();
+        }
+
+    }
+
+}

gradle.properties

@@ -0,0 +1,9 @@
+org.gradle.daemon=false
+org.gradle.jvmargs=-Xms512M -Xmx1G -Dfile.encoding=UTF-8 -Dconsole.encoding=UTF-8
+org.gradle.configureondemand=false
+aiVersion=1.8.2
+box2dlightsVersion=1.5
+graalHelperVersion=2.0.1
+enableGraalNative=false
+gdxVersion=1.13.1
+projectVersion=1.0.0

gradle/gradle-daemon-jvm.properties

@@ -0,0 +1,12 @@
+#This file is generated by updateDaemonJvm
+toolchainUrl.FREE_BSD.AARCH64=https\://api.foojay.io/disco/v3.0/ids/65aaef917b9f394804f058f1861225c9/redirect
+toolchainUrl.FREE_BSD.X86_64=https\://api.foojay.io/disco/v3.0/ids/c728c5388b044fbdbbc44b0c6acee0df/redirect
+toolchainUrl.LINUX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/65aaef917b9f394804f058f1861225c9/redirect
+toolchainUrl.LINUX.X86_64=https\://api.foojay.io/disco/v3.0/ids/c728c5388b044fbdbbc44b0c6acee0df/redirect
+toolchainUrl.MAC_OS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/dc463b4a8183dbcaa1b32544189c7f03/redirect
+toolchainUrl.MAC_OS.X86_64=https\://api.foojay.io/disco/v3.0/ids/cb7dc109dd590ebca2d703734d23c9d3/redirect
+toolchainUrl.UNIX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/65aaef917b9f394804f058f1861225c9/redirect
+toolchainUrl.UNIX.X86_64=https\://api.foojay.io/disco/v3.0/ids/c728c5388b044fbdbbc44b0c6acee0df/redirect
+toolchainUrl.WINDOWS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/43ee83889b87bacad5d3071ae7bbd349/redirect
+toolchainUrl.WINDOWS.X86_64=https\://api.foojay.io/disco/v3.0/ids/2d57bdd1e17a18f83ff073919daa35ba/redirect
+toolchainVersion=17

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,7 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

@@ -0,0 +1,251 @@
+#!/bin/sh
+
+#
+# Copyright © 2015-2021 the original authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+##############################################################################
+#
+#   Gradle start up script for POSIX generated by Gradle.
+#
+#   Important for running:
+#
+#   (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
+#       noncompliant, but you have some other compliant shell such as ksh or
+#       bash, then to run this script, type that shell name before the whole
+#       command line, like:
+#
+#           ksh Gradle
+#
+#       Busybox and similar reduced shells will NOT work, because this script
+#       requires all of these POSIX shell features:
+#         * functions;
+#         * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
+#           «${var#prefix}», «${var%suffix}», and «$( cmd )»;
+#         * compound commands having a testable exit status, especially «case»;
+#         * various built-in commands including «command», «set», and «ulimit».
+#
+#   Important for patching:
+#
+#   (2) This script targets any POSIX shell, so it avoids extensions provided
+#       by Bash, Ksh, etc; in particular arrays are avoided.
+#
+#       The "traditional" practice of packing multiple parameters into a
+#       space-separated string is a well documented source of bugs and security
+#       problems, so this is (mostly) avoided, by progressively accumulating
+#       options in "$@", and eventually passing that to Java.
+#
+#       Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
+#       and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
+#       see the in-line comments for details.
+#
+#       There are tweaks for specific operating systems such as AIX, CygWin,
+#       Darwin, MinGW, and NonStop.
+#
+#   (3) This script is generated from the Groovy template
+#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       within the Gradle project.
+#
+#       You can find Gradle at https://github.com/gradle/gradle/.
+#
+##############################################################################
+
+# Attempt to set APP_HOME
+
+# Resolve links: $0 may be a link
+app_path=$0
+
+# Need this for daisy-chained symlinks.
+while
+    APP_HOME=${app_path%"${app_path##*/}"}  # leaves a trailing /; empty if no leading path
+    [ -h "$app_path" ]
+do
+    ls=$( ls -ld "$app_path" )
+    link=${ls#*' -> '}
+    case $link in             #(
+      /*)   app_path=$link ;; #(
+      *)    app_path=$APP_HOME$link ;;
+    esac
+done
+
+# This is normally unused
+# shellcheck disable=SC2034
+APP_BASE_NAME=${0##*/}
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD=maximum
+
+warn () {
+    echo "$*"
+} >&2
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+} >&2
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "$( uname )" in                #(
+  CYGWIN* )         cygwin=true  ;; #(
+  Darwin* )         darwin=true  ;; #(
+  MSYS* | MINGW* )  msys=true    ;; #(
+  NONSTOP* )        nonstop=true ;;
+esac
+
+CLASSPATH="\\\"\\\""
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD=$JAVA_HOME/jre/sh/java
+    else
+        JAVACMD=$JAVA_HOME/bin/java
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD=java
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+fi
+
+# Increase the maximum file descriptors if we can.
+if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
+    case $MAX_FD in #(
+      max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
+        MAX_FD=$( ulimit -H -n ) ||
+            warn "Could not query maximum file descriptor limit"
+    esac
+    case $MAX_FD in  #(
+      '' | soft) :;; #(
+      *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
+        ulimit -n "$MAX_FD" ||
+            warn "Could not set maximum file descriptor limit to $MAX_FD"
+    esac
+fi
+
+# Collect all arguments for the java command, stacking in reverse order:
+#   * args from the command line
+#   * the main class name
+#   * -classpath
+#   * -D...appname settings
+#   * --module-path (only if needed)
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if "$cygwin" || "$msys" ; then
+    APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
+    CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
+
+    JAVACMD=$( cygpath --unix "$JAVACMD" )
+
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    for arg do
+        if
+            case $arg in                                #(
+              -*)   false ;;                            # don't mess with options #(
+              /?*)  t=${arg#/} t=/${t%%/*}              # looks like a POSIX filepath
+                    [ -e "$t" ] ;;                      #(
+              *)    false ;;
+            esac
+        then
+            arg=$( cygpath --path --ignore --mixed "$arg" )
+        fi
+        # Roll the args list around exactly as many times as the number of
+        # args, so each arg winds up back in the position where it started, but
+        # possibly modified.
+        #
+        # NB: a `for` loop captures its iteration list before it begins, so
+        # changing the positional parameters here affects neither the number of
+        # iterations, nor the values presented in `arg`.
+        shift                   # remove old arg
+        set -- "$@" "$arg"      # push replacement arg
+    done
+fi
+
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
+
+set -- \
+        "-Dorg.gradle.appname=$APP_BASE_NAME" \
+        -classpath "$CLASSPATH" \
+        -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
+        "$@"
+
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
+# Use "xargs" to parse quoted args.
+#
+# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
+#
+# In Bash we could simply go:
+#
+#   readarray ARGS < <( xargs -n1 <<<"$var" ) &&
+#   set -- "${ARGS[@]}" "$@"
+#
+# but POSIX shell has neither arrays nor command substitution, so instead we
+# post-process each arg (as a line of input to sed) to backslash-escape any
+# character that might be a shell metacharacter, then use eval to reverse
+# that process (while maintaining the separation between arguments), and wrap
+# the whole thing up as a single "set" statement.
+#
+# This will of course break if any of these variables contains a newline or
+# an unmatched quote.
+#
+
+eval "set -- $(
+        printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
+        xargs -n1 |
+        sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
+        tr '\n' ' '
+    )" '"$@"'
+
+exec "$JAVACMD" "$@"

gradlew.bat

@@ -0,0 +1,94 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+@rem SPDX-License-Identifier: Apache-2.0
+@rem
+
+@if "%DEBUG%"=="" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if %ERRORLEVEL% equ 0 goto execute
+
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if %ERRORLEVEL% equ 0 goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

lwjgl3/build.gradle

@@ -0,0 +1,185 @@
+
+buildscript {
+  repositories {
+    gradlePluginPortal()
+  }
+  dependencies {
+    classpath "io.github.fourlastor:construo:1.7.1"
+    if(enableGraalNative == 'true') {
+      classpath "org.graalvm.buildtools.native:org.graalvm.buildtools.native.gradle.plugin:0.9.28"
+    }
+  }
+}
+plugins {
+  id "application"
+}
+apply plugin: 'io.github.fourlastor.construo'
+
+
+import io.github.fourlastor.construo.Target
+
+sourceSets.main.resources.srcDirs += [ rootProject.file('assets').path ]
+mainClassName = 'de.leon2k.studios.lwjgl3.Lwjgl3Launcher'
+application.setMainClass(mainClassName)
+eclipse.project.name = appName + '-lwjgl3'
+java.sourceCompatibility = 8
+java.targetCompatibility = 8
+if (JavaVersion.current().isJava9Compatible()) {
+        compileJava.options.release.set(8)
+}
+
+dependencies {
+  implementation "com.badlogicgames.gdx:gdx-backend-lwjgl3:$gdxVersion"
+  implementation "com.badlogicgames.gdx:gdx-box2d-platform:$gdxVersion:natives-desktop"
+  implementation "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-desktop"
+  implementation "com.badlogicgames.gdx:gdx-freetype:$gdxVersion"
+
+  implementation project(':core')
+
+  if(enableGraalNative == 'true') {
+    implementation "io.github.berstanio:gdx-svmhelper-backend-lwjgl3:$graalHelperVersion"
+      implementation "io.github.berstanio:gdx-svmhelper-extension-box2d:$graalHelperVersion"
+
+    }
+}
+
+def os = System.properties['os.name'].toLowerCase()
+
+run {
+  workingDir = rootProject.file('assets').path
+// You can uncomment the next line if your IDE claims a build failure even when the app closed properly.
+  //setIgnoreExitValue(true)
+
+  if (os.contains('mac')) jvmArgs += "-XstartOnFirstThread"
+}
+
+jar {
+// sets the name of the .jar file this produces to the name of the game or app, with the version after.
+  archiveFileName.set("${appName}-${projectVersion}.jar")
+// the duplicatesStrategy matters starting in Gradle 7.0; this setting works.
+  duplicatesStrategy(DuplicatesStrategy.EXCLUDE)
+  dependsOn configurations.runtimeClasspath
+  from { configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) } }
+// these "exclude" lines remove some unnecessary duplicate files in the output JAR.
+  exclude('META-INF/INDEX.LIST', 'META-INF/*.SF', 'META-INF/*.DSA', 'META-INF/*.RSA')
+  dependencies {
+    exclude('META-INF/INDEX.LIST', 'META-INF/maven/**')
+  }
+// setting the manifest makes the JAR runnable.
+  manifest {
+    attributes 'Main-Class': project.mainClassName
+  }
+// this last step may help on some OSes that need extra instruction to make runnable JARs.
+  doLast {
+    file(archiveFile).setExecutable(true, false)
+  }
+}
+
+// Builds a JAR that only includes the files needed to run on macOS, not Windows or Linux.
+// The file size for a Mac-only JAR is about 7MB smaller than a cross-platform JAR.
+tasks.register("jarMac") {
+  dependsOn("jar")
+  group("build")
+  jar.archiveFileName.set("${appName}-${projectVersion}-mac.jar")
+  jar.exclude("windows/x86/**", "windows/x64/**", "linux/arm32/**", "linux/arm64/**", "linux/x64/**", "**/*.dll", "**/*.so",
+    'META-INF/INDEX.LIST', 'META-INF/*.SF', 'META-INF/*.DSA', 'META-INF/*.RSA')
+  dependencies {
+    jar.exclude("windows/x86/**", "windows/x64/**", "linux/arm32/**", "linux/arm64/**", "linux/x64/**",
+      'META-INF/INDEX.LIST', 'META-INF/maven/**')
+  }
+}
+
+// Builds a JAR that only includes the files needed to run on Linux, not Windows or macOS.
+// The file size for a Linux-only JAR is about 5MB smaller than a cross-platform JAR.
+tasks.register("jarLinux") {
+  dependsOn("jar")
+  group("build")
+  jar.archiveFileName.set("${appName}-${projectVersion}-linux.jar")
+  jar.exclude("windows/x86/**", "windows/x64/**", "macos/arm64/**", "macos/x64/**", "**/*.dll", "**/*.dylib",
+    'META-INF/INDEX.LIST', 'META-INF/*.SF', 'META-INF/*.DSA', 'META-INF/*.RSA')
+  dependencies {
+    jar.exclude("windows/x86/**", "windows/x64/**", "macos/arm64/**", "macos/x64/**",
+      'META-INF/INDEX.LIST', 'META-INF/maven/**')
+  }
+}
+
+// Builds a JAR that only includes the files needed to run on Windows, not Linux or macOS.
+// The file size for a Windows-only JAR is about 6MB smaller than a cross-platform JAR.
+tasks.register("jarWin") {
+  dependsOn("jar")
+  group("build")
+  jar.archiveFileName.set("${appName}-${projectVersion}-win.jar")
+  jar.exclude("macos/arm64/**", "macos/x64/**", "linux/arm32/**", "linux/arm64/**", "linux/x64/**", "**/*.dylib", "**/*.so",
+    'META-INF/INDEX.LIST', 'META-INF/*.SF', 'META-INF/*.DSA', 'META-INF/*.RSA')
+  dependencies {
+    jar.exclude("macos/arm64/**", "macos/x64/**", "linux/arm32/**", "linux/arm64/**", "linux/x64/**",
+      'META-INF/INDEX.LIST', 'META-INF/maven/**')
+  }
+}
+
+construo {
+    // name of the executable
+    name.set(appName)
+    // human-readable name, used for example in the `.app` name for macOS
+    humanName.set(appName)
+    // Optional, defaults to project version property
+    version.set("$projectVersion")
+
+    targets.configure {
+      create("linuxX64", Target.Linux) {
+        architecture.set(Target.Architecture.X86_64)
+        jdkUrl.set("https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.15%2B6/OpenJDK17U-jdk_x64_linux_hotspot_17.0.15_6.tar.gz")
+        // Linux does not currently have a way to set the icon on the executable
+      }
+      create("macM1", Target.MacOs) {
+        architecture.set(Target.Architecture.AARCH64)
+        jdkUrl.set("https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.15%2B6/OpenJDK17U-jdk_aarch64_mac_hotspot_17.0.15_6.tar.gz")
+        // macOS needs an identifier
+        identifier.set("de.leon2k.studios." + appName)
+        // Optional: icon for macOS, as an ICNS file
+        macIcon.set(project.file("icons/logo.icns"))
+      }
+      create("macX64", Target.MacOs) {
+        architecture.set(Target.Architecture.X86_64)
+        jdkUrl.set("https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.15%2B6/OpenJDK17U-jdk_x64_mac_hotspot_17.0.15_6.tar.gz")
+        // macOS needs an identifier
+        identifier.set("de.leon2k.studios." + appName)
+        // Optional: icon for macOS, as an ICNS file
+        macIcon.set(project.file("icons/logo.icns"))
+      }
+      create("winX64", Target.Windows) {
+        architecture.set(Target.Architecture.X86_64)
+        // Optional: icon for Windows, as a PNG
+        icon.set(project.file("icons/logo.png"))
+        jdkUrl.set("https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.15%2B6/OpenJDK17U-jdk_x64_windows_hotspot_17.0.15_6.zip")
+        // Uncomment the next line to show a console when the game runs, to print messages.
+        //useConsole.set(true)
+      }
+    }
+}
+
+// Equivalent to the jar task; here for compatibility with gdx-setup.
+tasks.register('dist') {
+  dependsOn 'jar'
+}
+
+distributions {
+  main {
+    contents {
+      into('libs') {
+        project.configurations.runtimeClasspath.files.findAll { file ->
+          file.getName() != project.tasks.jar.outputs.files.singleFile.name
+        }.each { file ->
+          exclude file.name
+        }
+      }
+    }
+  }
+}
+
+startScripts.dependsOn(':lwjgl3:jar')
+startScripts.classpath = project.tasks.jar.outputs.files
+
+if(enableGraalNative == 'true') {
+  apply from: file("nativeimage.gradle")
+}

lwjgl3/nativeimage.gradle

@@ -0,0 +1,54 @@
+
+project(":lwjgl3") {
+  apply plugin: "org.graalvm.buildtools.native"
+
+  graalvmNative {
+    binaries {
+      main {
+        imageName = appName
+        mainClass = project.mainClassName
+        requiredVersion = '23.0'
+        buildArgs.add("-march=compatibility")
+        jvmArgs.addAll("-Dfile.encoding=UTF8")
+        sharedLibrary = false
+        resources.autodetect()
+      }
+    }
+  }
+
+  run {
+    doNotTrackState("Running the app should not be affected by Graal.")
+  }
+
+  // Modified from https://lyze.dev/2021/04/29/libGDX-Internal-Assets-List/ ; thanks again, Lyze!
+  // This creates a resource-config.json file based on the contents of the assets folder (and the libGDX icons).
+  // This file is used by Graal Native to embed those specific files.
+  // This has to run before nativeCompile, so it runs at the start of an unrelated resource-handling command.
+  generateResourcesConfigFile.doFirst {
+    def assetsFolder = new File("${project.rootDir}/assets/")
+    def lwjgl3 = project(':lwjgl3')
+    def resFolder = new File("${lwjgl3.projectDir}/src/main/resources/META-INF/native-image/${lwjgl3.ext.appName}")
+    resFolder.mkdirs()
+    def resFile = new File(resFolder, "resource-config.json")
+    resFile.delete()
+    resFile.append(
+            """{
+  "resources":{
+  "includes":[
+    {
+      "pattern": ".*(""")
+    // This adds every filename in the assets/ folder to a pattern that adds those files as resources.
+    fileTree(assetsFolder).each {
+      // The backslash-Q and backslash-E escape the start and end of a literal string, respectively.
+      resFile.append("\\\\Q${it.name}\\\\E|")
+    }
+    // We also match all of the window icon images this way and the font files that are part of libGDX.
+    resFile.append(
+            """libgdx.+\\\\.png|lsans.+)"
+    }
+  ]},
+  "bundles":[]
+}"""
+    )
+  }
+}

lwjgl3/src/main/java/de/leon2k/studios/lwjgl3/Lwjgl3Launcher.java

@@ -0,0 +1,42 @@
+package de.leon2k.studios.lwjgl3;
+
+import com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application;
+import com.badlogic.gdx.backends.lwjgl3.Lwjgl3ApplicationConfiguration;
+import de.leon2k.studios.Main;
+import de.leon2k.studios.utilis.GameContext;
+
+/** Launches the desktop (LWJGL3) application. */
+public class Lwjgl3Launcher {
+    public static void main(String[] args) {
+        if (StartupHelper.startNewJvmIfRequired()) return; // This handles macOS support and helps on Windows.
+        createApplication();
+    }
+
+    private static Lwjgl3Application createApplication() {
+        return new Lwjgl3Application(new Main(), getDefaultConfiguration());
+    }
+
+    private static Lwjgl3ApplicationConfiguration getDefaultConfiguration() {
+        Lwjgl3ApplicationConfiguration configuration = new Lwjgl3ApplicationConfiguration();
+        configuration.setTitle("Catch_The_Coins");
+        //// Vsync limits the frames per second to what your hardware can display, and helps eliminate
+        //// screen tearing. This setting doesn't always work on Linux, so the line after is a safeguard.
+        configuration.setForegroundFPS(60);
+        //// Limits FPS to the refresh rate of the currently active monitor, plus 1 to try to match fractional
+        //// refresh rates. The Vsync setting above should limit the actual FPS to match the monitor.
+        //// If you remove the above line and set Vsync to false, you can get unlimited FPS, which can be
+        //// useful for testing performance, but can also be very stressful to some hardware.
+        //// You may also need to configure GPU drivers to fully disable Vsync; this can cause screen tearing.
+
+        configuration.setWindowedMode(600, 850);
+        configuration.setResizable(false);
+
+        //// You can change these files; they are in lwjgl3/src/main/resources/ .
+        //// They can also be loaded from the root of assets/ .
+        configuration.setWindowIcon("basket.png");
+
+        GameContext.setupvariables();
+
+        return configuration;
+    }
+}

lwjgl3/src/main/java/de/leon2k/studios/lwjgl3/StartupHelper.java

@@ -0,0 +1,204 @@
+/*
+ * Copyright 2020 damios
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ * https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+//Note, the above license and copyright applies to this file only.
+
+package de.leon2k.studios.lwjgl3;
+
+import com.badlogic.gdx.Version;
+import com.badlogic.gdx.backends.lwjgl3.Lwjgl3NativesLoader;
+import org.lwjgl.system.macosx.LibC;
+import org.lwjgl.system.macosx.ObjCRuntime;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.InputStreamReader;
+import java.lang.management.ManagementFactory;
+import java.util.ArrayList;
+
+import static org.lwjgl.system.JNI.invokePPP;
+import static org.lwjgl.system.JNI.invokePPZ;
+import static org.lwjgl.system.macosx.ObjCRuntime.objc_getClass;
+import static org.lwjgl.system.macosx.ObjCRuntime.sel_getUid;
+
+/**
+ * Adds some utilities to ensure that the JVM was started with the
+ * {@code -XstartOnFirstThread} argument, which is required on macOS for LWJGL 3
+ * to function. Also helps on Windows when users have names with characters from
+ * outside the Latin alphabet, a common cause of startup crashes.
+ * <br>
+ * <a href="https://jvm-gaming.org/t/starting-jvm-on-mac-with-xstartonfirstthread-programmatically/57547">Based on this java-gaming.org post by kappa</a>
+ * @author damios
+ */
+public class StartupHelper {
+
+    private static final String JVM_RESTARTED_ARG = "jvmIsRestarted";
+
+    private StartupHelper() {
+        throw new UnsupportedOperationException();
+    }
+
+    /**
+     * Starts a new JVM if the application was started on macOS without the
+     * {@code -XstartOnFirstThread} argument. This also includes some code for
+     * Windows, for the case where the user's home directory includes certain
+     * non-Latin-alphabet characters (without this code, most LWJGL3 apps fail
+     * immediately for those users). Returns whether a new JVM was started and
+     * thus no code should be executed.
+     * <p>
+     * <u>Usage:</u>
+     *
+     * <pre><code>
+     * public static void main(String... args) {
+     * 	if (StartupHelper.startNewJvmIfRequired(true)) return; // This handles macOS support and helps on Windows.
+     * 	// after this is the actual main method code
+     * }
+     * </code></pre>
+     *
+     * @param redirectOutput
+     *            whether the output of the new JVM should be rerouted to the
+     *            old JVM, so it can be accessed in the same place; keeps the
+     *            old JVM running if enabled
+     * @return whether a new JVM was started and thus no code should be executed
+     *         in this one
+     */
+    public static boolean startNewJvmIfRequired(boolean redirectOutput) {
+        String osName = System.getProperty("os.name").toLowerCase();
+        if (!osName.contains("mac")) {
+            if (osName.contains("windows")) {
+// Here, we are trying to work around an issue with how LWJGL3 loads its extracted .dll files.
+// By default, LWJGL3 extracts to the directory specified by "java.io.tmpdir", which is usually the user's home.
+// If the user's name has non-ASCII (or some non-alphanumeric) characters in it, that would fail.
+// By extracting to the relevant "ProgramData" folder, which is usually "C:\ProgramData", we avoid this.
+// We also temporarily change the "user.name" property to one without any chars that would be invalid.
+// We revert our changes immediately after loading LWJGL3 natives.
+                String programData = System.getenv("ProgramData");
+                if(programData == null) programData = "C:\\Temp\\"; // if ProgramData isn't set, try some fallback.
+                String prevTmpDir = System.getProperty("java.io.tmpdir", programData);
+                String prevUser = System.getProperty("user.name", "libGDX_User");
+                System.setProperty("java.io.tmpdir", programData + "/libGDX-temp");
+                System.setProperty("user.name", ("User_" + prevUser.hashCode() + "_GDX" + Version.VERSION).replace('.', '_'));
+                Lwjgl3NativesLoader.load();
+                System.setProperty("java.io.tmpdir", prevTmpDir);
+                System.setProperty("user.name", prevUser);
+            }
+            return false;
+        }
+
+        // There is no need for -XstartOnFirstThread on Graal native image
+        if (!System.getProperty("org.graalvm.nativeimage.imagecode", "").isEmpty()) {
+            return false;
+        }
+
+        // Checks if we are already on the main thread, such as from running via Construo.
+        long objc_msgSend = ObjCRuntime.getLibrary().getFunctionAddress("objc_msgSend");
+        long NSThread      = objc_getClass("NSThread");
+        long currentThread = invokePPP(NSThread, sel_getUid("currentThread"), objc_msgSend);
+        boolean isMainThread = invokePPZ(currentThread, sel_getUid("isMainThread"), objc_msgSend);
+        if(isMainThread) return false;
+
+        long pid = LibC.getpid();
+
+        // check whether -XstartOnFirstThread is enabled
+        if ("1".equals(System.getenv("JAVA_STARTED_ON_FIRST_THREAD_" + pid))) {
+            return false;
+        }
+
+        // check whether the JVM was previously restarted
+        // avoids looping, but most certainly leads to a crash
+        if ("true".equals(System.getProperty(JVM_RESTARTED_ARG))) {
+            System.err.println(
+                    "There was a problem evaluating whether the JVM was started with the -XstartOnFirstThread argument.");
+            return false;
+        }
+
+        // Restart the JVM with -XstartOnFirstThread
+        ArrayList<String> jvmArgs = new ArrayList<>();
+        String separator = System.getProperty("file.separator", "/");
+        // The following line is used assuming you target Java 8, the minimum for LWJGL3.
+        String javaExecPath = System.getProperty("java.home") + separator + "bin" + separator + "java";
+        // If targeting Java 9 or higher, you could use the following instead of the above line:
+        //String javaExecPath = ProcessHandle.current().info().command().orElseThrow();
+
+        if (!(new File(javaExecPath)).exists()) {
+            System.err.println(
+                    "A Java installation could not be found. If you are distributing this app with a bundled JRE, be sure to set the -XstartOnFirstThread argument manually!");
+            return false;
+        }
+
+        jvmArgs.add(javaExecPath);
+        jvmArgs.add("-XstartOnFirstThread");
+        jvmArgs.add("-D" + JVM_RESTARTED_ARG + "=true");
+        jvmArgs.addAll(ManagementFactory.getRuntimeMXBean().getInputArguments());
+        jvmArgs.add("-cp");
+        jvmArgs.add(System.getProperty("java.class.path"));
+        String mainClass = System.getenv("JAVA_MAIN_CLASS_" + pid);
+        if (mainClass == null) {
+            StackTraceElement[] trace = Thread.currentThread().getStackTrace();
+            if (trace.length > 0) {
+                mainClass = trace[trace.length - 1].getClassName();
+            } else {
+                System.err.println("The main class could not be determined.");
+                return false;
+            }
+        }
+        jvmArgs.add(mainClass);
+
+        try {
+            if (!redirectOutput) {
+                ProcessBuilder processBuilder = new ProcessBuilder(jvmArgs);
+                processBuilder.start();
+            } else {
+                Process process = (new ProcessBuilder(jvmArgs))
+                        .redirectErrorStream(true).start();
+                BufferedReader processOutput = new BufferedReader(
+                        new InputStreamReader(process.getInputStream()));
+                String line;
+
+                while ((line = processOutput.readLine()) != null) {
+                    System.out.println(line);
+                }
+
+                process.waitFor();
+            }
+        } catch (Exception e) {
+            System.err.println("There was a problem restarting the JVM");
+            e.printStackTrace();
+        }
+
+        return true;
+    }
+
+    /**
+     * Starts a new JVM if the application was started on macOS without the
+     * {@code -XstartOnFirstThread} argument. Returns whether a new JVM was
+     * started and thus no code should be executed. Redirects the output of the
+     * new JVM to the old one.
+     * <p>
+     * <u>Usage:</u>
+     *
+     * <pre>
+     * public static void main(String... args) {
+     * 	if (StartupHelper.startNewJvmIfRequired()) return; // This handles macOS support and helps on Windows.
+     * 	// the actual main method code
+     * }
+     * </pre>
+     *
+     * @return whether a new JVM was started and thus no code should be executed
+     *         in this one
+     */
+    public static boolean startNewJvmIfRequired() {
+        return startNewJvmIfRequired(true);
+    }
+}

settings.gradle

@@ -0,0 +1,8 @@
+plugins {
+  // Applies the foojay-resolver plugin to allow automatic download of JDKs.
+  id("org.gradle.toolchains.foojay-resolver-convention") version "0.9.0"
+}
+// A list of which subprojects to load as part of the same larger project.
+// You can remove Strings from the list and reload the Gradle project
+// if you want to temporarily disable a subproject.
+include 'lwjgl3', 'core'