3DPrinting/PrusaSlicer-NonPlainar
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WIP: Optimized the triangle selection so it does not iterate over all the triangles

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This commit is contained in:
Lukas Matena 2019-10-24 11:59:41 +02:00
parent 2e71dcefc3
commit 590569e8f6
1 changed files with 26 additions and 24 deletions
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50
src/slic3r/GUI/Gizmos/GLGizmoFdmSupports.cpp
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@ -176,8 +176,6 @@ void GLGizmoFdmSupports::render_cursor_circle() const
float zoom = (float)camera.get_zoom();
float inv_zoom = (zoom != 0.0f) ? 1.0f / zoom : 0.0f;
std::cout << zoom << " " << inv_zoom << std::endl;
Size cnv_size = m_parent.get_canvas_size();
float cnv_half_width = 0.5f * (float)cnv_size.get_width();
float cnv_half_height = 0.5f * (float)cnv_size.get_height();
@ -191,7 +189,6 @@ void GLGizmoFdmSupports::render_cursor_circle() const
float color[3];
color[2] = 0.3f;
glsafe(::glColor3fv(color));
glsafe(::glDisable(GL_DEPTH_TEST));
glsafe(::glPushMatrix());
@ -212,9 +209,7 @@ void GLGizmoFdmSupports::render_cursor_circle() const
glsafe(::glEnd());
glsafe(::glPopAttrib());
glsafe(::glPopMatrix());
}
@ -311,7 +306,6 @@ bool operator<(const GLGizmoFdmSupports::NeighborData& a, const GLGizmoFdmSuppor
}
// Following function is called from GLCanvas3D to inform the gizmo about a mouse/keyboard event.
// The gizmo has an opportunity to react - if it does, it should return true so that the Canvas3D is
// aware that the event was reacted to and stops trying to make different sense of it. If the gizmo
@ -336,9 +330,9 @@ bool GLGizmoFdmSupports::gizmo_event(SLAGizmoEventType action, const Vec2d& mous
}
if (action == SLAGizmoEventType::LeftDown || (action == SLAGizmoEventType::Dragging && m_wait_for_up_event)) {
size_t facet_idx = 0;
size_t facet = 0;
Vec3f hit_pos;
if (unproject_on_mesh(mouse_position, facet_idx, &hit_pos)) {
if (unproject_on_mesh(mouse_position, facet, &hit_pos)) {
bool select = ! shift_down;
// Calculate direction from camera to the hit (in mesh coords):
@ -359,24 +353,32 @@ bool GLGizmoFdmSupports::gizmo_event(SLAGizmoEventType action, const Vec2d& mous
return (diff - diff.dot(dir) * dir).squaredNorm();
};
// Now go through the facets and de/select those close enough to the line (FIXME: efficiency)
for (size_t i=0; i<m_selected_facets.size(); ++i) {
float dist = squared_distance_from_line(m_mesh->its.vertices[m_mesh->its.indices[i](0)]);
if (dist < limit)
m_selected_facets[i] = select;
std::vector<size_t> next_facets{facet};
NeighborData helper_pair = std::make_pair(0, 0);
std::vector<bool> visited(m_selected_facets.size(), false);
size_t facet_idx = 0;
while (facet_idx < next_facets.size()) {
size_t facet = next_facets[facet_idx];
if (! visited[facet]) {
for (size_t i=0; i<3; ++i) {
helper_pair.first = m_mesh->its.indices[facet](i); // vertex index
float dist = squared_distance_from_line(m_mesh->its.vertices[helper_pair.first]);
if (dist < limit) {
auto it = std::lower_bound(m_neighbors.begin(), m_neighbors.end(), helper_pair);
while (it != m_neighbors.end() && it->first == helper_pair.first) {
next_facets.push_back(it->second);
++it;
}
}
}
visited[facet] = true;
}
++facet_idx;
}
//size_t vertex_idx = m_mesh->its.indices[facet_idx](0);
//auto it = m_neighbors.begin();
//std::vector<bool> visited(m_mesh->its.indices.size(), false);
//while (it != m_neighbors.end() && it->second == facet_idx)
// it = std::lower_bound(it, m_neighbors.end(), std::make_pair(vertex_idx, size_t(0)));
//facet_idx = it->second;
//vertex_idx = m_mesh->its.indices[facet_idx](0);
for (size_t next_facet : next_facets)
m_selected_facets[next_facet] = select;