Assimp导入导出格式错误
问题描述:
我有我的格式的一些3D模型,并希望将它们更改为标准格式并在我的项目中使用它们,所以我开始使用Assimp库。我为创建aiScene
代码:Assimp导入导出格式错误
const aiScene* GenerateScene(int NumberOftexture, float *texture, int NumberOfVertex, double *verftex, int NumberOftri, double *tri) {
MATFile *pmat;
const char **dir;
const char *name;
int ndir;
int i;
aiScene* scene=new aiScene();
scene->mRootNode = new aiNode();
scene->mMaterials = new aiMaterial*[1];
scene->mMaterials[0] = nullptr;
scene->mNumMaterials = 1;
scene->mMaterials[0] = new aiMaterial();
scene->mMeshes = new aiMesh*[1];
scene->mMeshes[0] = nullptr;
scene->mNumMeshes = 1;
scene->mMeshes[0] = new aiMesh();
scene->mMeshes[0]->mMaterialIndex = 0;
scene->mRootNode->mMeshes = new unsigned int[1];
scene->mRootNode->mMeshes[0] = 0;
scene->mRootNode->mNumMeshes = 1;
auto pMesh = scene->mMeshes[0];
pMesh->mTextureCoords[0] = new aiVector3D[NumberOftexture];
pMesh->mNumUVComponents[0] = NumberOftexture;
for (int i = 0; i < NumberOftexture; i++)
pMesh->mTextureCoords[0][i] = aiVector3D(texture[i], (float)texture[i + NumberOftexture], (float)texture[i + 2 * NumberOftexture]);
pMesh->mVertices = new aiVector3D[NumberOfVertex];
pMesh->mNumVertices = NumberOfVertex;
for (int i = 0; i < NumberOfVertex; i++)
pMesh->mVertices[i] = aiVector3D((float)verftex[i], (float)verftex[i + NumberOfVertex], (float)verftex[i + 2 * NumberOfVertex]);
pMesh->mFaces = new aiFace[NumberOftri];
pMesh->mNumFaces = NumberOftri;
for (int i = 0; i < NumberOftri;i++) {
aiFace& face = pMesh->mFaces[i];
face.mIndices = new unsigned int[3];
face.mNumIndices = 3;
face.mIndices[0] = (int)tri[i];
face.mIndices[1] = (int)tri[i + NumberOftri];
face.mIndices[2] = (int)tri[i + 2* NumberOftri];
}
aiExportScene(scene, "collada", "D:\\myColladaFile.dae", 0);
return scene;}
它运行正常,但是当我去打开文件,Assimp图书馆我有错误。我的导入代码是
scene = aiImportFile(path, aiProcessPreset_TargetRealtime_MaxQuality);
,我得到了错误:
Info, T10040: Load D:\myColladaFile.dae
Info, T10040: Found a matching importer for this file format: Collada Importer.
Info, T10040: Import root directory is 'D:\'
Error, T10040: Collada: D:\myColladaFile.dae - Invalid data index (32500/32500) in primitive specification
Info, T10040: Load D:\myColladaFile.dae
Info, T10040: Found a matching importer for this file format: Collada Importer.
Info, T10040: Import root directory is 'D:\'
Error, T10040: Collada: D:\myColladaFile.dae - Invalid data index (32500/32500) in primitive specification
Info, T10040: Load D:\myColladaFile.dae
Info, T10040: Found a matching importer for this file format: Collada Importer.
Info, T10040: Import root directory is 'D:\'
Error, T10040: Collada: D:\myColladaFile.dae - Invalid data index (32500/32500) in primitive specification
但是,当我导出为GLTF
格式是正确的。所以我怎样才能导出和导入正确的格式?
答
这听起来像一个Bug Asset-Importer-Lib对我来说。当glTF-exporter能够导出场景时,它应该是有效的。 作为解决方法,您可以尝试将其导出为glFT文件,然后使用搅拌器将其导出并将其导出为collada文件。
您能否在Github/assimp上创建问题报告?重现此问题的模式将非常棒。