Toxiclibs<>HE_mesh : convert TriangleMesh to HE_mesh, and HE_mesh to TriangleMesh

fn_converters.pde

import java.util.Iterator;
import java.util.List;

import wblut.processing.*;
import wblut.core.*;
import wblut.hemesh.*;
import wblut.geom.*;

import toxi.geom.*;
import toxi.geom.mesh.*;
import toxi.processing.*;

TriangleMesh hemeshToToxi(HE_Mesh m){
	m.triangulate();

	TriangleMesh tmesh = new TriangleMesh();

	Iterator<HE_Face> fItr = m.fItr();
	HE_Face f;
	while(fItr.hasNext()){
		f = fItr.next();
		List<HE_Vertex> v = f.getFaceVertices();
		tmesh.addFace(
			new Vec3D(v.get(0).xf(), v.get(0).yf(), v.get(0).zf()),
			new Vec3D(v.get(1).xf(), v.get(1).yf(), v.get(1).zf()),
			new Vec3D(v.get(2).xf(), v.get(2).yf(), v.get(2).zf()));
	}
	return tmesh;
}

HE_Mesh toxiToHemesh(TriangleMesh m){
	String path = "/tmp/processing_toxiToHemesh";
	m.saveAsOBJ(path);
	return new HE_Mesh(new HEC_FromOBJFile(path));
}

source :
https://forum.processing.org/two/discussion/5565/a-simple-he-mesh-to-toxiclibs-trianglemesh-conversion-function