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/**
* OBJWriter.java
*
* Copyright (c) 2013-2016, F(X)yz
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of F(X)yz, any associated website, nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL F(X)yz BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.fxyz3d.utils;
import eu.mihosoft.jcsg.CSG;
import eu.mihosoft.jcsg.Polygon;
import eu.mihosoft.jcsg.PropertyStorage;
import eu.mihosoft.vvecmath.Vector3d;
import java.io.BufferedWriter;
import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
import java.util.ArrayList;
import java.util.List;
import javafx.collections.ObservableFloatArray;
import javafx.geometry.Point3D;
import javafx.scene.shape.Mesh;
import javafx.scene.shape.MeshView;
import javafx.scene.shape.ObservableFaceArray;
import javafx.scene.shape.TriangleMesh;
/**
* Loads a CSG from TriangleMesh based on JCSG from Michael Hoffer
*
* @author José Pereda
*/
public class MeshUtils {
/**
* Loads a CSG from TriangleMesh.
* @param mesh
* @return CSG
*/
public static CSG mesh2CSG(MeshView mesh) {
return mesh2CSG(mesh.getMesh());
}
public static CSG mesh2CSG(Mesh mesh) {
List polygons = new ArrayList<>();
List vertices = new ArrayList<>();
if(mesh instanceof TriangleMesh){
// Get faces
ObservableFaceArray faces = ((TriangleMesh)mesh).getFaces();
int[] f=new int[faces.size()];
faces.toArray(f);
// Get vertices
ObservableFloatArray points = ((TriangleMesh)mesh).getPoints();
float[] p = new float[points.size()];
points.toArray(p);
// convert faces to polygons
for(int i=0; i();
}
}
return CSG.fromPolygons(new PropertyStorage(),polygons);
}
public static void mesh2STL(String fileName, Mesh mesh) throws IOException{
if(!(mesh instanceof TriangleMesh)){
return;
}
// Get faces
ObservableFaceArray faces = ((TriangleMesh)mesh).getFaces();
int[] f=new int[faces.size()];
faces.toArray(f);
// Get vertices
ObservableFloatArray points = ((TriangleMesh)mesh).getPoints();
float[] p = new float[points.size()];
points.toArray(p);
StringBuilder sb = new StringBuilder();
sb.append("solid meshFX\n");
// convert faces to polygons
for(int i=0; i