private void _UpdateMeshIfNeeded()
{
m_meshVertices3D.Clear();
m_trackedPlane.GetPlanePolygon(m_meshVertices3D);
if (_AreVerticesListsEqual(m_previousFrameMeshVertices, m_meshVertices3D))
{
return;
}
Pose centerPose = m_trackedPlane.GetCenterPose();
for (int i = 0; i < m_meshVertices3D.Count; i++)
{
m_meshVertices3D[i] = centerPose.rotation * m_meshVertices3D[i] + centerPose.position;
}
Vector3 planeNormal = centerPose.rotation * Vector3.up;
m_meshRenderer.material.SetVector("_PlaneNormal", planeNormal);
m_previousFrameMeshVertices.Clear();
m_previousFrameMeshVertices.AddRange(m_meshVertices3D);
m_meshVertices2D.Clear();
m_trackedPlane.GetPlanePolygon(ref m_meshVertices2D);
Triangulator tr = new Triangulator(m_meshVertices2D);
m_mesh.Clear();
m_mesh.SetVertices(m_meshVertices3D);
m_mesh.SetIndices(tr.Triangulate(), MeshTopology.Triangles, 0);
m_mesh.SetColors(m_meshColors);
}
