/*
* Copyright (C) 2013-2015 F(X)yz,
* Sean Phillips, Jason Pollastrini and Jose Pereda
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.fxyz.tests;
import java.io.IOException;
import java.net.URISyntaxException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.stream.Stream;
import javafx.animation.AnimationTimer;
import javafx.application.Application;
import javafx.scene.AmbientLight;
import javafx.scene.Group;
import javafx.scene.PerspectiveCamera;
import javafx.scene.PointLight;
import javafx.scene.Scene;
import javafx.scene.SceneAntialiasing;
import javafx.scene.input.KeyCode;
import javafx.scene.input.MouseEvent;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
import org.fxyz.cameras.CameraTransformer;
import org.fxyz.geometry.Point3D;
import org.fxyz.shapes.primitives.ScatterMesh;
import org.fxyz.utils.Palette;
/**
*
* @author jpereda
*/
public class CSVScatter3DTest extends Application {
private PerspectiveCamera camera;
private final double sceneWidth = 600;
private final double sceneHeight = 600;
private final CameraTransformer cameraTransform = new CameraTransformer();
private double mousePosX;
private double mousePosY;
private double mouseOldX;
private double mouseOldY;
private double mouseDeltaX;
private double mouseDeltaY;
// private Function<Point3D, Number> dens = p->p.magnitude();
private long lastEffect;
@Override
public void start(Stage primaryStage) throws Exception {
Group sceneRoot = new Group();
Scene scene = new Scene(sceneRoot, sceneWidth, sceneHeight, true, SceneAntialiasing.BALANCED);
scene.setFill(Color.BLACK);
camera = new PerspectiveCamera(true);
//setup camera transform for rotational support
cameraTransform.setTranslate(0, 0, 0);
cameraTransform.getChildren().add(camera);
camera.setNearClip(0.1);
camera.setFarClip(10000.0);
camera.setTranslateX(0);
camera.setTranslateZ(-1000);
cameraTransform.ry.setAngle(-25.0);
cameraTransform.rx.setAngle(-10.0);
//add a Point Light for better viewing of the grid coordinate system
PointLight light = new PointLight(Color.WHITE);
cameraTransform.getChildren().add(new AmbientLight());
light.setTranslateX(camera.getTranslateX());
light.setTranslateY(camera.getTranslateY());
light.setTranslateZ(camera.getTranslateZ());
scene.setCamera(camera);
long time=System.currentTimeMillis();
Group group = new Group(cameraTransform);
List<Point3D> data= new ArrayList<>();
// // create some data
// IntStream.range(0,100000)
// .forEach(i->data.add(new Point3D((float)(30*Math.sin(50*i)),
// (float)(Math.sin(i)*(100+30*Math.cos(100*i))),
// (float)(Math.cos(i)*(100+30*Math.cos(200*i))),
// i))); // <-- f
// // and write to csv file
// Path out = Paths.get("output.txt");
// Files.write(out,data.stream().map(p3d->p3d.toCSV()).collect(Collectors.toList()),Charset.defaultCharset());
// read from csv file
Path out = getCSVFile(0);
if(out!=null){
Files.lines(out).map(s->s.split(";")).forEach(s->data.add(new Point3D(Float.parseFloat(s[0]),
Float.parseFloat(s[1]),Float.parseFloat(s[2]),Float.parseFloat(s[3]))));
}
ScatterMesh scatter = new ScatterMesh(data, true, 1, 0);
// DENSITY
// texture is given by p.f value, don't change this!
scatter.setTextureModeVertices3D(1530,p->p.f);
group.getChildren().add(scatter);
sceneRoot.getChildren().addAll(group);
//First person shooter keyboard movement
scene.setOnKeyPressed(event -> {
double change = 10.0;
//Add shift modifier to simulate "Running Speed"
if(event.isShiftDown()) { change = 50.0; }
//What key did the user press?
KeyCode keycode = event.getCode();
//Step 2c: Add Zoom controls
if(keycode == KeyCode.W) { camera.setTranslateZ(camera.getTranslateZ() + change); }
if(keycode == KeyCode.S) { camera.setTranslateZ(camera.getTranslateZ() - change); }
//Step 2d: Add Strafe controls
if(keycode == KeyCode.A) { camera.setTranslateX(camera.getTranslateX() - change); }
if(keycode == KeyCode.D) { camera.setTranslateX(camera.getTranslateX() + change); }
});
scene.setOnMousePressed((MouseEvent me) -> {
mousePosX = me.getSceneX();
mousePosY = me.getSceneY();
mouseOldX = me.getSceneX();
mouseOldY = me.getSceneY();
});
scene.setOnMouseDragged((MouseEvent me) -> {
mouseOldX = mousePosX;
mouseOldY = mousePosY;
mousePosX = me.getSceneX();
mousePosY = me.getSceneY();
mouseDeltaX = (mousePosX - mouseOldX);
mouseDeltaY = (mousePosY - mouseOldY);
double modifier = 10.0;
double modifierFactor = 0.1;
if (me.isControlDown()) {
modifier = 0.1;
}
if (me.isShiftDown()) {
modifier = 50.0;
}
if (me.isPrimaryButtonDown()) {
cameraTransform.ry.setAngle(((cameraTransform.ry.getAngle() + mouseDeltaX * modifierFactor * modifier * 2.0) % 360 + 540) % 360 - 180); // +
cameraTransform.rx.setAngle(((cameraTransform.rx.getAngle() - mouseDeltaY * modifierFactor * modifier * 2.0) % 360 + 540) % 360 - 180); // -
} else if (me.isSecondaryButtonDown()) {
double z = camera.getTranslateZ();
double newZ = z + mouseDeltaX * modifierFactor * modifier;
camera.setTranslateZ(newZ);
} else if (me.isMiddleButtonDown()) {
cameraTransform.t.setX(cameraTransform.t.getX() + mouseDeltaX * modifierFactor * modifier * 0.3); // -
cameraTransform.t.setY(cameraTransform.t.getY() + mouseDeltaY * modifierFactor * modifier * 0.3); // -
}
});
primaryStage.setTitle("F(X)yz - ScatterMesh Test");
primaryStage.setScene(scene);
primaryStage.show();
final boolean constantVertices = true;
lastEffect = System.nanoTime();
AtomicInteger count=new AtomicInteger(0);
List<List<Number>> fullData=new ArrayList<>();
if(constantVertices) {
// if possible we can cache all the data
Stream.of(0,1,2,3,4,3,2,1).forEach(i->{
Path out2 = getCSVFile(i);
if(out2 != null) {
try {
List<Number> data2= new ArrayList<>();
Files.lines(out2).map(s->s.split(";"))
.forEach(s->{
float f = Float.parseFloat(s[3]);
// 4 vertices tetrahedra
data2.add(f);
data2.add(f);
data2.add(f);
data2.add(f);
});
fullData.add(data2);
} catch (IOException ex) {}
}
});
}
AnimationTimer timerEffect = new AnimationTimer() {
@Override
public void handle(long now) {
if (now > lastEffect + 50_000_000l) {
try {
// long t=System.currentTimeMillis();
if(constantVertices && fullData != null){
// Vertices coordinates are always the same: mesh is tha same, we only
// need to update F on each element
scatter.setFunctionData(fullData.get(count.get()%8));
// System.out.println("t "+(System.currentTimeMillis()-t));
} else {
// vertices coordinates may change in time, we need to create them all over again reading the files:
Path out2 = getCSVFile((int)(Stream.of(0,1,2,3,4,3,2,1).toArray()[count.get()%8]));
if(out2 != null) {
List<Point3D> data2= new ArrayList<>();
Files.lines(out2).map(s->s.split(";")).forEach(s->data2.add(new Point3D(Float.parseFloat(s[0]),
Float.parseFloat(s[1]),Float.parseFloat(s[2]),Float.parseFloat(s[3]))));
scatter.setScatterData(data2);
scatter.setTextureModeVertices1D(1530,p->p);
}
// System.out.println("t "+(System.currentTimeMillis()-t));
}
} catch (IOException ex) {
}
count.getAndIncrement();
lastEffect = now;
}
}
};
timerEffect.start();
}
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
launch(args);
}
private Path getCSVFile(int i) {
try {
return Paths.get(getClass().getResource("res/csv/input_"+i+".txt").toURI());
} catch (URISyntaxException ex) {
}
return null;
}
}