Manifold program

#include<stdio.h>
#include<manifold.h>
#include<string.h>
using manifold::Manifold;
using manifold::Mesh;

void export_stl(Manifold &man,const char *filename)
{
	Mesh m = man.GetMesh();
	FILE *out;
	char temp[80];
	int i,j,triangles;
	float f[12];
	int ind1,ind2,ind3;
	out=fopen(filename,"wb");
	if(out == NULL)
	{
		printf("Cannot open file %s\n",filename);
		return;
	}
	printf("Writing Binary STL\n");
	memset(temp,'\0',80);
	strcpy(temp,"Tool");
	fwrite(temp,80,sizeof(char),out); // write dummy header
	triangles=m.triVerts.size();
	fwrite(&triangles,1,sizeof(int),out);
	temp[0]=0;
	temp[1]=0;
	for(j=0;j<m.triVerts.size();j++)
	{
		ind1=m.triVerts[j][0];
		ind2=m.triVerts[j][1];
		ind3=m.triVerts[j][2];
		f[0]=0.0; f[1]=0.0; f[2]=0.0;
		f[3]=m.vertPos[ind1][0];
		f[4]=m.vertPos[ind1][1];
		f[5]=m.vertPos[ind1][2];
		f[6]=m.vertPos[ind2][0];
		f[7]=m.vertPos[ind2][1];
		f[8]=m.vertPos[ind2][2];
		f[9]=m.vertPos[ind3][0];
		f[10]=m.vertPos[ind3][1];
		f[11]=m.vertPos[ind3][2];

		fwrite(&f,12,sizeof(float),out);
		fwrite(temp,2,sizeof(char),out);
	}
	fclose(out);
}
int main(void) {
	Manifold c = Manifold::Cube(glm::vec3(1,2,3));
	Manifold s = Manifold::Sphere(1);

	Manifold r = c+s;
	export_stl(r,"result.stl");
	return 0;
}