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* Copyright (c) 2009-2012 jMonkeyEngine
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package jme3test.post;
import com.jme3.app.SimpleApplication;
import com.jme3.input.KeyInput;
import com.jme3.input.controls.ActionListener;
import com.jme3.input.controls.AnalogListener;
import com.jme3.input.controls.KeyTrigger;
import com.jme3.material.Material;
import com.jme3.math.FastMath;
import com.jme3.math.Vector3f;
import com.jme3.post.FilterPostProcessor;
import com.jme3.post.filters.ToneMapFilter;
import com.jme3.scene.Geometry;
import com.jme3.scene.shape.Box;
import com.jme3.system.AppSettings;
public class TestToneMapFilter extends SimpleApplication {
private boolean enabled = true;
private FilterPostProcessor fpp;
private ToneMapFilter toneMapFilter;
private float whitePointLog = 1f;
public static void main(String[] args){
TestToneMapFilter app = new TestToneMapFilter();
AppSettings settings = new AppSettings(true);
// Must turn on gamma correction, as otherwise it looks too dark.
settings.setGammaCorrection(true);
app.setSettings(settings);
app.start();
}
public Geometry createHDRBox(){
Box boxMesh = new Box(1, 1, 1);
Geometry box = new Geometry("Box", boxMesh);
Material mat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
mat.setTexture("ColorMap", assetManager.loadTexture("Textures/HdrTest/Memorial.hdr"));
box.setMaterial(mat);
return box;
}
@Override
public void simpleInitApp() {
System.out.println("== Tone Mapping Sample ==");
System.out.println(" SPACE:\tToggle tone-mapping OFF or ON");
System.out.println(" Y:\tIncrease white-point");
System.out.println(" H:\tDecrease white-point");
fpp = new FilterPostProcessor(assetManager);
toneMapFilter = new ToneMapFilter();
fpp.addFilter(toneMapFilter);
viewPort.addProcessor(fpp);
rootNode.attachChild(createHDRBox());
cam.setLocation(new Vector3f(0f,0f,3f));
initInputs();
}
private void initInputs() {
inputManager.addMapping("toggle", new KeyTrigger(KeyInput.KEY_SPACE));
inputManager.addMapping("WhitePointUp", new KeyTrigger(KeyInput.KEY_Y));
inputManager.addMapping("WhitePointDown", new KeyTrigger(KeyInput.KEY_H));
ActionListener acl = new ActionListener() {
public void onAction(String name, boolean keyPressed, float tpf) {
if (name.equals("toggle") && keyPressed) {
if (enabled) {
enabled = false;
viewPort.removeProcessor(fpp);
System.out.println("Tone Mapping OFF");
} else {
enabled = true;
viewPort.addProcessor(fpp);
System.out.println("Tone Mapping ON");
}
}
}
};
AnalogListener anl = new AnalogListener() {
public void onAnalog(String name, float isPressed, float tpf) {
if (name.equals("WhitePointUp")) {
whitePointLog += tpf * 1.0;
if (whitePointLog > 4f) {
whitePointLog = 4f;
}
float wp = FastMath.exp(whitePointLog);
toneMapFilter.setWhitePoint(new Vector3f(wp, wp, wp));
System.out.println("White point: " + wp);
}
if (name.equals("WhitePointDown")) {
whitePointLog -= tpf * 1.0;
if (whitePointLog < -4f) {
whitePointLog = -4f;
}
float wp = FastMath.exp(whitePointLog);
toneMapFilter.setWhitePoint(new Vector3f(wp, wp, wp));
System.out.println("White point: " + wp);
}
}
};
inputManager.addListener(acl, "toggle");
inputManager.addListener(anl, "WhitePointUp", "WhitePointDown");
}
}