public GameObject Build()
{
var go = new GameObject(_name);
//add meshrenderer
var mr = go.AddComponent <MeshRenderer>();
int submesh = 0;
//locate the material for each submesh
Material[] materialArray = new Material[_materialIndices.Count];
foreach (var kvp in _materialIndices)
{
Material material = null;
if (_loader.Materials == null)
{
material = OBJLoaderHelper.CreateNullMaterial();
material.name = kvp.Key;
}
else
{
if (!_loader.Materials.TryGetValue(kvp.Key, out material))
{
material = OBJLoaderHelper.CreateNullMaterial();
material.name = kvp.Key;
_loader.Materials[kvp.Key] = material;
}
}
materialArray[submesh] = material;
submesh++;
}
mr.sharedMaterials = materialArray;
//add meshfilter
var mf = go.AddComponent <MeshFilter>();
submesh = 0;
var msh = new Mesh()
{
name = _name,
indexFormat = (_vertices.Count > 65535) ? UnityEngine.Rendering.IndexFormat.UInt32 : UnityEngine.Rendering.IndexFormat.UInt16,
subMeshCount = _materialIndices.Count
};
//set vertex data
msh.SetVertices(_vertices);
msh.SetNormals(_normals);
msh.SetUVs(0, _uvs);
//set faces
foreach (var kvp in _materialIndices)
{
msh.SetTriangles(kvp.Value, submesh);
submesh++;
}
//recalculations
if (recalculateNormals)
{
msh.RecalculateNormals();
}
//msh.RecalculateTangents();
//msh.RecalculateBounds();
mf.sharedMesh = msh;
return(go);
}
