jmonkeyengine/engine/src/test/jme3test/tools/TestTextureAtlas.java

/*
 * Copyright (c) 2009-2010 jMonkeyEngine
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 *   may be used to endorse or promote products derived from this software
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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package jme3test.tools;

import com.jme3.app.SimpleApplication;
import com.jme3.asset.plugins.ZipLocator;
import com.jme3.light.AmbientLight;
import com.jme3.light.DirectionalLight;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Vector3f;
import com.jme3.scene.Geometry;
import com.jme3.scene.Spatial;
import com.jme3.scene.shape.Quad;
import jme3tools.optimize.GeometryBatchFactory;

public class TestTextureAtlas extends SimpleApplication {

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

    @Override
    public void simpleInitApp() {
        flyCam.setMoveSpeed(50);
        assetManager.registerLocator("town.zip", ZipLocator.class.getName());
        Spatial scene = assetManager.loadModel("main.scene");

        Geometry geom = GeometryBatchFactory.makeAtlasBatch(scene, assetManager, 2048);

        AmbientLight al = new AmbientLight();
        rootNode.addLight(al);

        DirectionalLight sun = new DirectionalLight();
        sun.setDirection(new Vector3f(0.69077975f, -0.6277887f, -0.35875428f).normalizeLocal());
        sun.setColor(ColorRGBA.White.clone().multLocal(2));
        rootNode.addLight(sun);

        rootNode.attachChild(geom);

        //quad to display material
        Geometry box = new Geometry("displayquad", new Quad(4, 4));
        box.setMaterial(geom.getMaterial());
        box.setLocalTranslation(0, 1, 0);
        rootNode.attachChild(box);
    }
}