public void Handle(ElementMeshReader.Result meshReaderResult)
{
// Color is TBGR form
// see https://imodeljs.github.io/iModelJs-docs-output//reference/imodeljs-common/symbology/colordef/
var key = new MaterialKey {
Color = meshReaderResult.Color, TextureId = meshReaderResult.TextureId
};
if (!_cachedMaterials.TryGetValue(key, out Material material))
{
var color = new Color32((byte)(meshReaderResult.Color & 0xFF),
(byte)((meshReaderResult.Color >> 8) & 0xFF),
(byte)((meshReaderResult.Color >> 16) & 0xFF),
(byte)(255 - ((meshReaderResult.Color >> 24) & 0xFF)));
material = new Material(color.a > 235 ? _opaqueTemplate : _transparentTemplate)
{
color = color
};
if (!string.IsNullOrEmpty(key.TextureId))
{
material.mainTexture = _textureCache.GetById(key.TextureId);
}
_cachedMaterials[key] = material;
}
IndexFormat indexFormat = meshReaderResult.Vertices.Length > 65000 ? IndexFormat.UInt32 : IndexFormat.UInt16;
var unityMesh = new Mesh
{
indexFormat = indexFormat,
vertices = meshReaderResult.Vertices.ToArray(),
normals = meshReaderResult.Normals.ToArray(),
uv = meshReaderResult.UVs.ToArray(),
triangles = meshReaderResult.Indices.ToArray()
};
// Object name is element ID for use with metadata queries on selection
var go = new GameObject {
name = meshReaderResult.ElementId
};
go.transform.SetParent(_rootGameObject.transform, false);
var collider = go.AddComponent <MeshCollider>();
collider.cookingOptions = MeshColliderCookingOptions.None;
collider.sharedMesh = unityMesh;
go.AddComponent <MeshFilter>().sharedMesh = unityMesh;
go.AddComponent <MeshRenderer>().sharedMaterial = material;
meshReaderResult.Dispose();
}
public void Handle(ElementMeshReader.Result mesh)
{
if (_meshesByColor.TryGetValue(mesh.Color, out List <ElementMeshReader.Result> meshList))
{
meshList.Add(mesh);
return;
}
meshList = new List <ElementMeshReader.Result> {
mesh
};
_meshesByColor[mesh.Color] = meshList;
}