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package jme3test.post;
import com.jme3.app.SimpleApplication;
import com.jme3.asset.plugins.HttpZipLocator;
import com.jme3.light.DirectionalLight;
import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Quaternion;
import com.jme3.math.Vector3f;
import com.jme3.post.FilterPostProcessor;
import com.jme3.post.filters.ColorOverlayFilter;
import com.jme3.post.filters.ComposeFilter;
import com.jme3.scene.Geometry;
import com.jme3.scene.Spatial;
import com.jme3.scene.shape.Box;
import com.jme3.system.AppSettings;
import com.jme3.texture.FrameBuffer;
import com.jme3.texture.Image;
import com.jme3.texture.Texture2D;
import com.jme3.util.SkyFactory;
/**
* This test showcases the possibility to compose the post filtered outputs of several viewports.
* The usual use case is when you want to apply some post process to the main viewport and then other post process to the gui viewport
* @author Nehon
*/
public class TestPostFiltersCompositing extends SimpleApplication {
public static void main(String[] args) {
TestPostFiltersCompositing app = new TestPostFiltersCompositing();
// AppSettings settings = new AppSettings(true);
// settings.putBoolean("GraphicsDebug", false);
// app.setSettings(settings);
app.start();
}
public void simpleInitApp() {
this.flyCam.setMoveSpeed(10);
cam.setLocation(new Vector3f(0.028406568f, 2.015769f, 7.386517f));
cam.setRotation(new Quaternion(-1.0729783E-5f, 0.9999721f, -0.0073241726f, -0.0014647911f));
makeScene();
//Creating the main view port post processor
FilterPostProcessor fpp = new FilterPostProcessor(assetManager);
fpp.addFilter(new ColorOverlayFilter(ColorRGBA.Blue));
viewPort.addProcessor(fpp);
//creating a frame buffer for the mainviewport
FrameBuffer mainVPFrameBuffer = new FrameBuffer(cam.getWidth(), cam.getHeight(), 1);
Texture2D mainVPTexture = new Texture2D(cam.getWidth(), cam.getHeight(), Image.Format.RGBA8);
mainVPFrameBuffer.addColorTexture(mainVPTexture);
mainVPFrameBuffer.setDepthBuffer(Image.Format.Depth);
viewPort.setOutputFrameBuffer(mainVPFrameBuffer);
//creating the post processor for the gui viewport
final FilterPostProcessor guifpp = new FilterPostProcessor(assetManager);
guifpp.setFrameBufferFormat(Image.Format.RGBA8);
guifpp.addFilter(new ColorOverlayFilter(ColorRGBA.Red));
//this will compose the main viewport texture with the guiviewport back buffer.
//Note that you can switch the order of the filters so that guiviewport filters are applied or not to the main viewport texture
guifpp.addFilter(new ComposeFilter(mainVPTexture));
guiViewPort.addProcessor(guifpp);
//compositing is done by mixing texture depending on the alpha channel,
//it's important that the guiviewport clear color alpha value is set to 0
guiViewPort.setBackgroundColor(ColorRGBA.BlackNoAlpha);
guiViewPort.setClearColor(true);
}
private void makeScene() {
// load sky
rootNode.attachChild(SkyFactory.createSky(assetManager, "Textures/Sky/Bright/BrightSky.dds", SkyFactory.EnvMapType.CubeMap));
//assetManager.registerLocator("http://jmonkeyengine.googlecode.com/files/wildhouse.zip", HttpZipLocator.class);
Spatial scene = assetManager.loadModel("Models/Test/CornellBox.j3o");
DirectionalLight sun = new DirectionalLight();
sun.setDirection(new Vector3f(-0.4790551f, -0.39247334f, -0.7851566f));
scene.addLight(sun);
rootNode.attachChild(scene);
}
}