main class

package mygame;

import com.jme3.app.SimpleApplication;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Vector3f;
import com.jme3.renderer.RenderManager;
import com.jme3.scene.Node;
import com.jme3.system.AppSettings;


public class Main extends SimpleApplication
{

    static boolean orbitSelection = false; //set if mouse is to be used to select on screen items

    public static OrbitCamera orbit = null;
    public static Node sceneNode, modelNode, worldNode, camNode;
    public static void main(String[] args)
    {
        AppSettings settings = new AppSettings(true);
        settings.setResolution(720, 480);
        settings.setFullscreen(false);

        Main app = new Main();

        app.setShowSettings(false);
        app.setSettings(settings);
        app.start();
    }


    @Override
    public void simpleInitApp()
    {
        //setup scene nodes
        /**
         *                    rootNode
         *                        |
         *      -------------------------------------
         *      |          |                        |
         *   camNode       UINode               sceneNode
         *      |            |                  |       |
         *    camera     UI elements     worldNode     modelNode
         *                                   |              |
         *                                xyz axis    sketch planes
         *                                   |              |
         *                                xyz planes     sketches
         *
         */
        camNode = new Node();  //node used to control cam
        rootNode.attachChild(camNode);
        sceneNode = new Node(); //parent node to world and model nodes
        worldNode = new Node(); //node containing xyz axis and planes
        modelNode = new Node(); //parent node to all sketch planes

        sceneNode.attachChild(worldNode);
        sceneNode.attachChild(modelNode);
        rootNode.attachChild(sceneNode);
        Canvas.setRootAndManager(assetManager, worldNode);
        Canvas.createXYZAxis();
        Canvas.createXYZPlanes();
        Canvas.createDragArrows(guiNode);  //was gui node
        viewPort.setBackgroundColor(ColorRGBA.White);

        //setup scene camera
        flyCam.setEnabled(false);
        orbit = new OrbitCamera(new Vector3f(0,0,0), cam,camNode, inputManager);
        //set default location  of camera
        orbit.moveCamera(0.39324224f, -5.1840777f);

        //start controls, mouse/keyboard
        Controls con = new Controls(inputManager, rootNode, guiNode);
        con.setupKeys();


    }
    @Override
    public void simpleUpdate(float tpf)
    {

    }

    @Override
    public void simpleRender(RenderManager rm)
    {
        //TODO: add render code
    }


}