public void BeginBuffer()
{
_currentBuffer = new MeshBufferView();
_currentPrimitive = null;
_positions = null;
_normals = null;
_colors = null;
_tangents = null;
_texCoord0 = null;
_texCoord1 = null;
_joints = null;
_weights = null;
}
public void BeginPrimitive(PrimitiveTopology topology)
{
if (_currentBuffer == null)
{
throw new InvalidOperationException("Call BeginBuffer() before BeginPrimitive()");
}
_currentPrimitive = new IndexMeshPrimitive(_currentBuffer)
{
Topology = topology
};
_positions?.ResetIndices();
_normals?.ResetIndices();
_colors?.ResetIndices();
_tangents?.ResetIndices();
_texCoord0?.ResetIndices();
_texCoord1?.ResetIndices();
_joints?.ResetIndices();
_weights?.ResetIndices();
_mesh.Primitives.Add(_currentPrimitive);
}
public IndexSetReader(List <int> buffer, IReadOnlyCollection <StreamKey> keys, IndexMeshPrimitive primitive)
{
_buffer = buffer;
_readers = new IReadOnlyList <int> [keys.Count];
var i = 0;
foreach (var streamKey in keys)
{
_readers[i] = primitive.GetIndexReader(streamKey);
++i;
}
}