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Rotating Cube Example - Jmonkeyengine Typing CST Test

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Rotating Cube Example — Jmonkeyengine Code

Rotates a cube around the Y axis every frame.

import com.jme3.app.SimpleApplication;
import com.jme3.scene.Geometry;
import com.jme3.scene.shape.Box;
import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Quaternion;
import com.jme3.math.Vector3f;

public class RotatingCubeApp extends SimpleApplication {
	private Geometry cube;

	public static void main(String[] args) {
		new RotatingCubeApp().start();
	}

	@Override
	public void simpleInitApp() {
		Box b = new Box(1,1,1);
		cube = new Geometry("Cube", b);
		Material mat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
		mat.setColor("Color", ColorRGBA.Red);
		cube.setMaterial(mat);
		rootNode.attachChild(cube);
	}

	@Override
	public void simpleUpdate(float tpf) {
		cube.rotate(0, 1 * tpf, 0);
	}
}

Jmonkeyengine Language Guide

jMonkeyEngine (jME) is an open-source, cross-platform 3D game engine written in Java. It allows developers to create 3D games and interactive applications with full control over rendering, physics, and scene management.

Primary Use Cases

  • ▸3D PC games
  • ▸Android 3D games
  • ▸Educational simulations
  • ▸Virtual reality prototypes
  • ▸Interactive 3D visualizations

Notable Features

  • ▸Java-based development
  • ▸Cross-platform deployment (desktop, Android, Web via WebGL)
  • ▸Scene graph architecture
  • ▸Bullet Physics integration
  • ▸Shader support (GLSL/HLSL via OpenGL)

Origin & Creator

jMonkeyEngine was created in 2003 by Mark Powell and a group of open-source contributors to provide a Java-based 3D game engine for hobbyists and developers.

Industrial Note

jME is popular among Java developers seeking a full-featured 3D engine with a scene graph system, built-in physics, and a flexible rendering pipeline, particularly for desktop and Android targets.

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