/*
* 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.util.Arrays;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.Function;
import java.util.stream.IntStream;
import javafx.application.Application;
import javafx.geometry.Bounds;
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.scene.paint.PhongMaterial;
import javafx.scene.shape.Box;
import javafx.scene.shape.Cylinder;
import javafx.scene.shape.DrawMode;
import javafx.scene.shape.Sphere;
import javafx.scene.shape.TriangleMesh;
import javafx.scene.transform.Rotate;
import javafx.scene.transform.Translate;
import javafx.stage.Stage;
import org.fxyz.cameras.CameraTransformer;
import org.fxyz.geometry.Point3D;
import org.fxyz.shapes.primitives.CuboidMesh;
import org.fxyz.utils.Axes;
import org.fxyz.utils.OBJWriter;
/**
*
* @author jpereda
*/
public class CuboidTest 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 CuboidMesh cuboid;
private Rotate rotateY;
private Function<Point3D, Number> dens = p->p.x;
@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.setTranslateZ(-30);
cameraTransform.ry.setAngle(-45.0);
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(light);
light.setTranslateX(camera.getTranslateX());
light.setTranslateY(camera.getTranslateY());
light.setTranslateZ(10*camera.getTranslateZ());
scene.setCamera(camera);
rotateY = new Rotate(0, 0, 0, 0, Rotate.Y_AXIS);
Group group = new Group();
group.getChildren().add(cameraTransform);
cuboid = new CuboidMesh(10f,12f,4f,5, new Point3D(0f,0f,0f));
// cuboid.setDrawMode(DrawMode.LINE);
// cuboid.setCullFace(CullFace.NONE);
// NONE
cuboid.setTextureModeNone(Color.ROYALBLUE);
// IMAGE
// cuboid.setTextureModeImage(getClass().getResource("res/netCuboid.png").toExternalForm());
// DENSITY
// cuboid.setTextureModeVertices3D(256*256,p->(double)p.x*p.y*p.z);
// FACES
// cuboid.setTextureModeFaces(1530);
cuboid.getTransforms().addAll(new Rotate(0,Rotate.X_AXIS),rotateY);
group.getChildren().add(cuboid);
boolean testRayIntersection=false;
if(testRayIntersection){
/*
RAY INTERSECTION
*/
javafx.geometry.Point3D gloOrigin=new javafx.geometry.Point3D(4,-7,-4);
javafx.geometry.Point3D gloTarget = new javafx.geometry.Point3D(2,3,4);
javafx.geometry.Point3D gloDirection=gloTarget.subtract(gloOrigin).normalize();
javafx.geometry.Point3D gloOriginInLoc = cuboid.sceneToLocal(gloOrigin);
Bounds locBounds = cuboid.getBoundsInLocal();
Bounds gloBounds = cuboid.localToScene(locBounds);
Sphere s=new Sphere(0.05d);
s.getTransforms().add(new Translate(gloOrigin.getX(), gloOrigin.getY(), gloOrigin.getZ()));
s.setMaterial(new PhongMaterial(Color.GREENYELLOW));
group.getChildren().add(s);
s=new Sphere(0.05d);
s.getTransforms().add(new Translate(gloTarget .getX(), gloTarget .getY(), gloTarget .getZ()));
s.setMaterial(new PhongMaterial(Color.GREENYELLOW));
group.getChildren().add(s);
javafx.geometry.Point3D dir=gloTarget .subtract(gloOrigin).crossProduct(new javafx.geometry.Point3D(0,-1,0));
double angle=Math.acos(gloTarget .subtract(gloOrigin).normalize().dotProduct(new javafx.geometry.Point3D(0,-1,0)));
double h1=gloTarget .subtract(gloOrigin).magnitude();
Cylinder c=new Cylinder(0.03d,h1);
c.getTransforms().addAll(new Translate(gloOrigin.getX(), gloOrigin.getY()-h1/2d, gloOrigin.getZ()),
new Rotate(-Math.toDegrees(angle), 0d,h1/2d,0d,
new javafx.geometry.Point3D(dir.getX(),-dir.getY(),dir.getZ())));
c.setMaterial(new PhongMaterial(Color.GREEN));
group.getChildren().add(c);
group.getChildren().add(new Axes(0.02));
Box box=new Box(gloBounds.getWidth(), gloBounds.getHeight(), gloBounds.getDepth());
box.setDrawMode(DrawMode.LINE);
box.setMaterial(new PhongMaterial(Color.BLUEVIOLET));
box.getTransforms().add(new Translate(gloBounds.getMinX()+gloBounds.getWidth()/2d,
gloBounds.getMinY()+gloBounds.getHeight()/2d, gloBounds.getMinZ()+gloBounds.getDepth()/2d));
// group.getChildren().add(box);
/*
FIRST STEP; Check the ray crosses the bounding box of the shape at any of
its 6 faces
*/
List<javafx.geometry.Point3D> normals=Arrays.asList(new javafx.geometry.Point3D(-1,0,0),new javafx.geometry.Point3D(1,0,0),new javafx.geometry.Point3D(0,-1,0),
new javafx.geometry.Point3D(0,1,0), new javafx.geometry.Point3D(0,0,-1), new javafx.geometry.Point3D(0,0,1));
List<javafx.geometry.Point3D> positions=Arrays.asList(new javafx.geometry.Point3D(locBounds.getMinX(),0,0),new javafx.geometry.Point3D(locBounds.getMaxX(),0,0),
new javafx.geometry.Point3D(0,locBounds.getMinY(),0), new javafx.geometry.Point3D(0,locBounds.getMaxY(),0),
new javafx.geometry.Point3D(0,0,locBounds.getMinZ()), new javafx.geometry.Point3D(0,0,locBounds.getMaxZ()));
AtomicInteger counter = new AtomicInteger();
IntStream.range(0, 6).forEach(i->{
// ray[t]= ori+t.dir; t/ray[t]=P in plane
// plane P·N+d=0->(ori+t*dir)·N+d=0->t=-(ori.N+d)/(dir.N)
// P=P(x,y,z), N={a,b,c}, d=-a·x0-b·y0-c·z0
double d=-normals.get(i).dotProduct(positions.get(i));
double t=-(gloOriginInLoc.dotProduct(normals.get(i))+d)/(gloDirection.dotProduct(normals.get(i)));
javafx.geometry.Point3D locInter=gloOriginInLoc.add(gloDirection.multiply(t));
if(locBounds.contains(locInter)){
counter.getAndIncrement();
javafx.geometry.Point3D gloInter=cuboid.localToScene(locInter);
Sphere s2=new Sphere(0.1d);
s2.getTransforms().add(new Translate(gloInter .getX(), gloInter .getY(), gloInter .getZ()));
s2.setMaterial(new PhongMaterial(Color.GOLD));
// group.getChildren().add(s2);
}
});
if(counter.get()>0){
/*
SECOND STEP: Check if the ray crosses any of the triangles of the mesh
*/
// triangle mesh
org.fxyz.geometry.Point3D gloOriginInLoc1 = new org.fxyz.geometry.Point3D((float)gloOriginInLoc.getX(),(float)gloOriginInLoc.getY(),(float)gloOriginInLoc.getZ());
org.fxyz.geometry.Point3D gloDirection1 = new org.fxyz.geometry.Point3D((float)gloDirection.getX(),(float)gloDirection.getY(),(float)gloDirection.getZ());
System.out.println("number of intersections: "+cuboid.getIntersections(gloOriginInLoc1, gloDirection1));
}
}
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 - Cuboid Test");
primaryStage.setScene(scene);
primaryStage.show();
OBJWriter writer=new OBJWriter((TriangleMesh) cuboid.getMesh(),"cuboid");
// writer.setMaterialColor(Color.AQUA);
// writer.setTextureImage(getClass().getResource("res/netCuboid.png").toExternalForm());
writer.setTextureColors(256*256);
writer.exportMesh();
}
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
launch(args);
}
}