void FaceInstance::update_move_planepts_vertex2(std::size_t index, std::size_t other)
{
ASSERT_MESSAGE(index < m_face->getWinding().size(), "select_vertex: invalid index");
const std::size_t opposite = m_face->getWinding().opposite(index, other);
if (triangle_reversed(index, other, opposite)) {
std::swap(index, other);
}
ASSERT_MESSAGE(
triangles_same_winding(
m_face->getWinding()[opposite].vertex,
m_face->getWinding()[index].vertex,
m_face->getWinding()[other].vertex,
m_face->getWinding()[0].vertex,
m_face->getWinding()[1].vertex,
m_face->getWinding()[2].vertex
),
"update_move_planepts_vertex2: error"
)
m_face->m_move_planepts[0] = m_face->getWinding()[opposite].vertex;
m_face->m_move_planepts[1] = m_face->getWinding()[index].vertex;
m_face->m_move_planepts[2] = m_face->getWinding()[other].vertex;
planepts_quantise(m_face->m_move_planepts, GRID_MIN); // winding points are very inaccurate
}
void FaceInstance::update_move_planepts_edge(std::size_t index)
{
ASSERT_MESSAGE(index < m_face->getWinding().size(), "select_edge: invalid index");
std::size_t adjacent = m_face->getWinding().next(index);
std::size_t opposite = m_face->getWinding().opposite(index);
m_face->m_move_planepts[0] = m_face->getWinding()[index].vertex;
m_face->m_move_planepts[1] = m_face->getWinding()[adjacent].vertex;
m_face->m_move_planepts[2] = m_face->getWinding()[opposite].vertex;
planepts_quantise(m_face->m_move_planepts, GRID_MIN); // winding points are very inaccurate
}
void FaceInstance::update_move_planepts_edge (std::size_t index)
{
const Winding& winding = m_face->getWinding();
const std::size_t numpoints = winding.size();
ASSERT_MESSAGE(index < numpoints, "select_edge: invalid index");
const std::size_t adjacent = winding.next(index);
const std::size_t opposite = Winding_Opposite(winding, index);
m_face->m_move_planepts[0] = winding[index].vertex;
m_face->m_move_planepts[1] = winding[adjacent].vertex;
m_face->m_move_planepts[2] = winding[opposite].vertex;
planepts_quantise(m_face->m_move_planepts, GRID_MIN); // winding points are very inaccurate
}
