46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
#include "tiny_obj_loader.h"
|
|
|
|
#include <cassert>
|
|
#include <iostream>
|
|
|
|
int
|
|
main(
|
|
int argc,
|
|
char **argv)
|
|
{
|
|
std::string inputfile = "cornell_box.obj";
|
|
std::vector<tinyobj::shape_t> shapes;
|
|
|
|
if (argc > 1) {
|
|
inputfile = std::string(argv[1]);
|
|
}
|
|
|
|
std::string err = tinyobj::LoadObj(shapes, inputfile.c_str());
|
|
|
|
if (!err.empty()) {
|
|
std::cerr << err << std::endl;
|
|
}
|
|
|
|
std::cout << "# of shapes : " << shapes.size() << std::endl;
|
|
|
|
for (size_t i = 0; i < shapes.size(); i++) {
|
|
printf("shape[%ld].name = %s\n", i, shapes[i].name.c_str());
|
|
printf("shape[%ld].indices: %ld\n", i, shapes[i].mesh.indices.size());
|
|
assert((shapes[i].mesh.indices.size() % 3) == 0);
|
|
for (size_t f = 0; f < shapes[i].mesh.indices.size(); f++) {
|
|
printf(" idx[%ld] = %d\n", f, shapes[i].mesh.indices[f]);
|
|
}
|
|
|
|
printf("shape[%ld].vertices: %ld\n", i, shapes[i].mesh.positions.size());
|
|
assert((shapes[i].mesh.positions.size() % 3) == 0);
|
|
for (size_t v = 0; v < shapes[i].mesh.positions.size() / 3; v++) {
|
|
printf(" v[%ld] = (%f, %f, %f)\n", v,
|
|
shapes[i].mesh.positions[3*v+0],
|
|
shapes[i].mesh.positions[3*v+1],
|
|
shapes[i].mesh.positions[3*v+2]);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|