/// <summary> Combine with another buffer </summary>
public void Append(Buffer3 v, bool mergeSubmesh, int startingSubmesh)
{
var offset = m_Verts.Count;
m_Verts.AddRange(v.m_Verts);
m_Uv0.AddRange(v.m_Uv0);
m_Uv2.AddRange(v.m_Uv2);
m_Uv3.AddRange(v.m_Uv3);
for (int i = 0; i < v.m_Tris.Count; i++)
{
if (i == 0)
{
SetSubmesh(startingSubmesh);
}
else if (!mergeSubmesh)
{
SetSubmesh();
}
var t = v.m_Tris[i];
for (int j = 0; j < t.Count; j++)
{
AddTris(offset + t[j]);
}
}
}
/// <summary> Import from a mesh </summary>
public void AddMesh(Mesh m, bool mergeSubmesh = true, int subMeshIdx = -1)
{
if (m.vertexCount == 0)
{
return;
}
var v = new Buffer3(m, subMeshIdx);
Append(v, mergeSubmesh, mergeSubmesh || m_Tris[m_subMesh].Count == 0 ? m_subMesh : m_subMesh + 1);
}