FlickerProblem

package de.puffeldings.collaboration.core;

import java.util.logging.Level;
import java.util.logging.Logger;

import com.jme3.app.SimpleApplication;
import com.jme3.light.AmbientLight;
import com.jme3.material.Material;
import com.jme3.math.Vector2f;
import com.jme3.math.Vector3f;
import com.jme3.renderer.RenderManager;
import com.jme3.scene.Geometry;
import com.jme3.scene.Node;
import com.jme3.scene.shape.Box;
import com.jme3.system.AppSettings;

public class FlickerProblem extends SimpleApplication
{
    private static final Logger LOGGER = Logger.getLogger("com.jme3");
    private static final int MAX_OBJECTS = 500000;
    private static boolean ONCE = true;
    public static FlickerProblem app;
    public Node world;
    public static Geometry geom;

    public static void main(String[] args)
    {
        LOGGER.setLevel(Level.SEVERE);
        AppSettings settings = new AppSettings(true);
        settings.setTitle("Puffeldings");
        settings.setResolution(1280, 720);
        // settings.setFullscreen(true);
        settings.setFrequency(60);
        settings.setVSync(true);
        // settings.setSamples(8); // AA
        settings.setBitsPerPixel(32);
        settings.setRenderer(AppSettings.LWJGL_OPENGL_ANY);
        app = new FlickerProblem();
        app.setSettings(settings);
        app.setShowSettings(false);
        app.start();
    }

    @Override
    public void simpleInitApp()
    {
        cam.setFrustumPerspective(55f, (float) cam.getWidth() / cam.getHeight(), 0.01f, 1024f);
        cam.setLocation(new Vector3f(500000, 0.5f, 1));
        flyCam.setMoveSpeed(200);

        world = new Node("World");
        Material mat_normals = new Material(assetManager, "Common/MatDefs/Misc/ShowNormals.j3md");

        for (int objectsIdx = 0; objectsIdx < MAX_OBJECTS; objectsIdx++)
        {
            Box box = new Box(0.5f, 0.5f, 0.5f);
            Geometry geom = new Geometry(box.toString(), box);
            geom.setLocalTranslation(objectsIdx, 0, 0);
            geom.setMaterial(mat_normals);
            world.attachChild(geom);
        }
        rootNode.attachChild(world);
    }
}