assimp示例1

#include <assimp/Importer.hpp>      // C++ importer interface
#include <assimp/scene.h>           // Output data structure
#include <assimp/postprocess.h>     // Post processing flags
bool DoTheImportThing( const std::string& pFile)
{
  // Create an instance of the Importer class
  Assimp::Importer importer;
  // And have it read the given file with some example postprocessing
  // Usually - if speed is not the most important aspect for you - you'll 
  // propably to request more postprocessing than we do in this example.
  const aiScene* scene = importer.ReadFile( pFile, 
        aiProcess_CalcTangentSpace       | 
        aiProcess_Triangulate            |
        aiProcess_JoinIdenticalVertices  |
        aiProcess_SortByPType);
  
  // If the import failed, report it
  if( !scene)
  {
    DoTheErrorLogging( importer.GetErrorString());
    return false;
  }
  // Now we can access the file's contents. 
  DoTheSceneProcessing( scene);
  // We're done. Everything will be cleaned up by the importer destructor
  return true;
}

参考：https://assimp.sourceforge.net/lib_html/usage.html

参考2：https://www.bilibili.com/video/BV1kL4y1P7W5/(assimp库的使用)