Import and Export using threejs #813
Description
When I use threejs to decode the gltf model and export as normal model, the output model has some invalid values. I checked this model through validator and get the following messages. How can I export a normal model?
{
"code": "VALUE_MULTIPLE_OF",
"message": "Value 6 is not a multiple of 4.",
"severity": 0,
"pointer": "/bufferViews/0/byteStride"
},
{
"code": "VALUE_NOT_IN_RANGE",
"message": "Value 3 is out of range.",
"severity": 0,
"pointer": "/bufferViews/1/byteStride"
},
{
"code": "UNEXPECTED_PROPERTY",
"message": "Unexpected property.",
"severity": 1,
"pointer": "/materials/0/pbrMetallicRoughness/metallicRoughnessTexture/channel"
},
{
"code": "MESH_PRIMITIVE_ACCESSOR_UNALIGNED",
"message": "Vertex attribute data must be aligned to 4-byte boundaries.",
"severity": 0,
"pointer": "/meshes/0/primitives/0/attributes/NORMAL"
},
{
"code": "MESH_PRIMITIVE_GENERATED_TANGENT_SPACE",
"message": "Material requires a tangent space but the mesh primitive does not provide it. Runtime-generated tangent space may be non-portable across implementations.",
"severity": 1,
"pointer": "/meshes/0/primitives/0/material"
}