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BAEL-8595: Get started with jmonkeyengine (#18263)
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‎jmonkeyengine/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>jmonkeyengine</artifactId>
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<parent>
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<artifactId>parent-modules</artifactId>
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<groupId>com.baeldung</groupId>
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<version>1.0.0-SNAPSHOT</version>
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</parent>
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<build>
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<plugins>
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<plugin>
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<groupId>org.codehaus.mojo</groupId>
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<artifactId>exec-maven-plugin</artifactId>
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<version>1.2.1</version>
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<configuration>
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<executable>java</executable>
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<arguments>
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<argument>-XstartOnFirstThread</argument>
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<argument>-classpath</argument>
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<classpath />
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<argument>com.baeldung.jmonkeyengine.FirstApplication</argument>
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</arguments>
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</configuration>
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</plugin>
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</plugins>
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</build>
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<dependencies>
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<dependency>
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<groupId>org.jmonkeyengine</groupId>
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<artifactId>jme3-core</artifactId>
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<version>${jmonkeyengine.version}</version>
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</dependency>
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<dependency>
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<groupId>org.jmonkeyengine</groupId>
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<artifactId>jme3-desktop</artifactId>
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<version>${jmonkeyengine.version}</version>
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</dependency>
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<dependency>
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<groupId>org.jmonkeyengine</groupId>
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<artifactId>jme3-lwjgl3</artifactId>
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<version>${jmonkeyengine.version}</version>
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</dependency>
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</dependencies>
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<properties>
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<jmonkeyengine.version>3.7.0-stable</jmonkeyengine.version>
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</properties>
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</project>

‎jmonkeyengine/src/main/java/com/baeldung/jmonkeyengine/FirstApplication.java

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package com.baeldung.jmonkeyengine;
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import com.jme3.app.SimpleApplication;
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import com.jme3.system.AppSettings;
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public class FirstApplication extends SimpleApplication {
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public static void main(String[] args) {
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FirstApplication app = new FirstApplication();
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app.start();
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}
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public FirstApplication() {
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super();
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AppSettings settings = new AppSettings(true);
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settings.setWidth(1024);
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settings.setHeight(768);
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settings.setCenterWindow(false);
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settings.setWindowXPosition(0);
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settings.setWindowYPosition(0);
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settings.setTitle("Our First Application");
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setSettings(settings);
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}
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@Override
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public void simpleInitApp() {
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}
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}

‎jmonkeyengine/src/main/java/com/baeldung/jmonkeyengine/GeometryApplication.java

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package com.baeldung.jmonkeyengine;
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import com.jme3.app.SimpleApplication;
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import com.jme3.material.Material;
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import com.jme3.math.ColorRGBA;
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import com.jme3.scene.Geometry;
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import com.jme3.scene.Node;
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import com.jme3.scene.Spatial;
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import com.jme3.scene.shape.Box;
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public class GeometryApplication extends SimpleApplication {
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public static void main(String[] args) {
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GeometryApplication app = new GeometryApplication();
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app.start();
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}
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@Override
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public void simpleInitApp() {
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Box mesh = new Box(1, 2, 3);
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Geometry geometry = new Geometry("Box", mesh);
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Material material = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
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material.setColor("Color", ColorRGBA.Red);
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geometry.setMaterial(material);
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Node rotation = new Node("rotation");
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rotation.attachChild(geometry);
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rootNode.attachChild(rotation);
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}
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@Override
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public void simpleUpdate(float tpf) {
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Spatial rotation = rootNode.getChild("rotation");
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rotation.rotate(0, tpf, 0);
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}
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}

‎jmonkeyengine/src/main/java/com/baeldung/jmonkeyengine/UserInputApplication.java

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package com.baeldung.jmonkeyengine;
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import com.jme3.app.SimpleApplication;
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import com.jme3.app.StatsAppState;
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import com.jme3.input.KeyInput;
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import com.jme3.input.controls.ActionListener;
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import com.jme3.input.controls.AnalogListener;
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import com.jme3.input.controls.KeyTrigger;
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import com.jme3.material.Material;
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import com.jme3.math.ColorRGBA;
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import com.jme3.scene.Geometry;
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import com.jme3.scene.Node;
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import com.jme3.scene.Spatial;
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import com.jme3.scene.shape.Box;
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public class UserInputApplication extends SimpleApplication {
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private boolean rotationEnabled = false;
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public static void main(String[] args) {
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UserInputApplication app = new UserInputApplication();
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app.start();
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}
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public UserInputApplication() {
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super(new StatsAppState());
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}
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@Override
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public void simpleInitApp() {
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Box mesh = new Box(1, 2, 3);
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Geometry geometry = new Geometry("Box", mesh);
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Material material = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
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material.setColor("Color", ColorRGBA.Red);
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geometry.setMaterial(material);
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Node rotation = new Node("rotation");
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rotation.attachChild(geometry);
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rootNode.attachChild(rotation);
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inputManager.addMapping("Rotate", new KeyTrigger(KeyInput.KEY_SPACE));
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inputManager.addMapping("Left", new KeyTrigger(KeyInput.KEY_J));
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inputManager.addMapping("Right", new KeyTrigger(KeyInput.KEY_K));
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ActionListener actionListener = new ActionListener() {
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@Override
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public void onAction(String name, boolean isPressed, float tpf) {
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if (name.equals("Rotate") && !isPressed) {
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rotationEnabled = !rotationEnabled;
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}
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}
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};
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AnalogListener analogListener = new AnalogListener() {
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@Override
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public void onAnalog(String name, float value, float tpf) {
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if (name.equals("Left")) {
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rotation.rotate(0, -tpf, 0);
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} else if (name.equals("Right")) {
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rotation.rotate(0, tpf, 0);
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}
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}
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};
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inputManager.addListener(actionListener, "Rotate");
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inputManager.addListener(analogListener, "Left", "Right");
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}
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@Override
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public void simpleUpdate(float tpf) {
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if (rotationEnabled) {
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Spatial rotation = rootNode.getChild("rotation");
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rotation.rotate(0, 0, tpf);
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}
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}
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}

‎pom.xml

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<module>jetbrains</module>
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<module>jgit</module>
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<module>jmh</module>
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<module>jmonkeyengine</module>
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<module>json-modules</module>
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<module>jsoup</module>
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<module>jws</module>
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<module>jetbrains</module>
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<module>jgit</module>
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<module>jmh</module>
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<module>jmonkeyengine</module>
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<module>json-modules</module>
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<module>jsoup</module>
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<module>jws</module>

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