comparison: src/glRenderer.cc
src/glRenderer.cc
- changeset 717
- fdc285e5952f
- parent 715
- 56f1b77951c8
- child 718
- a2cbef633673
equal
deleted
inserted
replaced
| 716:639a900999bc | 717:fdc285e5952f |
|---|---|
| 1009 Vertex closest; | 1009 Vertex closest; |
| 1010 bool valid = false; | 1010 bool valid = false; |
| 1011 | 1011 |
| 1012 QPoint curspos = coordconv3_2 (m_hoverpos); | 1012 QPoint curspos = coordconv3_2 (m_hoverpos); |
| 1013 | 1013 |
| 1014 for (const Vertex& pos3d: m_knownVerts) | 1014 for (auto it = document()->vertices().begin(); it != document()->vertices().end(); ++it) |
| 1015 { | 1015 { |
| 1016 QPoint pos2d = coordconv3_2 (pos3d); | 1016 QPoint pos2d = coordconv3_2 (it.key()); |
| 1017 | 1017 |
| 1018 // Measure squared distance | 1018 // Measure squared distance |
| 1019 const double dx = abs (pos2d.x() - curspos.x()), | 1019 const double dx = abs (pos2d.x() - curspos.x()), |
| 1020 dy = abs (pos2d.y() - curspos.y()), | 1020 dy = abs (pos2d.y() - curspos.y()), |
| 1021 distsq = (dx * dx) + (dy * dy); | 1021 distsq = (dx * dx) + (dy * dy); |
| 1024 continue; // too far away | 1024 continue; // too far away |
| 1025 | 1025 |
| 1026 if (distsq < mindist) | 1026 if (distsq < mindist) |
| 1027 { | 1027 { |
| 1028 mindist = distsq; | 1028 mindist = distsq; |
| 1029 closest = pos3d; | 1029 closest = it.key(); |
| 1030 valid = true; | 1030 valid = true; |
| 1031 | 1031 |
| 1032 // If it's only 4 pixels away, I think we found our vertex now. | 1032 // If it's only 4 pixels away, I think we found our vertex now. |
| 1033 if (distsq <= 16.0f) // 4.0f ** 2 | 1033 if (distsq <= 16.0f) // 4.0f ** 2 |
| 1034 break; | 1034 break; |
