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修正Assimp坐标数据加载

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This commit is contained in:
hyzboy 2019-06-15 21:05:47 +08:00
parent 5cf6b25046
commit 5bad17d281
1 changed files with 24 additions and 6 deletions
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30
example/Vulkan/AssimpLoaderMesh.cpp
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@ -46,8 +46,7 @@ namespace
const Color4f COLOR_PURE_BLACK(0,0,0,1);
const Color4f COLOR_PURE_WHITE(1,1,1,1);
inline const vec pos_to_vec(const aiVector3D &v3d){return vec(v3d.x,-v3d.z,v3d.y,1.0);}
inline const vec dir_to_vec(const aiVector3D &v3d){return vec(v3d.x,-v3d.z,v3d.y,0.0);}
inline const vec pos_to_vec(const aiVector3D &v3d){return vec(v3d.x,-v3d.y,v3d.z,1.0);}
void VecY2Z(List<Vector3f> &target,const aiVector3D *source,const uint count)
{
@ -60,8 +59,27 @@ namespace
for(uint i=0;i<count;i++)
{
tp->x= source->x;
tp->y=-source->z;
tp->z= source->y;
tp->y=-source->y;
tp->z= source->z;
++source;
++tp;
}
}
void VecCopy(List<Vector3f> &target,const aiVector3D *source,const uint count)
{
target.SetCount(count);
if(count<=0)return;
Vector3f *tp=target.GetData();
for(uint i=0;i<count;i++)
{
tp->x=source->x;
tp->y=source->y;
tp->z=source->z;
++source;
++tp;
@ -243,8 +261,8 @@ private:
if(mesh->HasTangentsAndBitangents())
{
VecY2Z(md->tangent, mesh->mTangents, mesh->mNumVertices);
VecY2Z(md->bitangent, mesh->mBitangents, mesh->mNumVertices);
VecCopy(md->tangent, mesh->mTangents, mesh->mNumVertices);
VecCopy(md->bitangent, mesh->mBitangents, mesh->mNumVertices);
}
}