comparison: src/editmodes/drawMode.cc
src/editmodes/drawMode.cc
- changeset 909
- f025ab5e57ac
- parent 897
- ef9e4469975a
- child 927
- 409b82a4765e
- child 944
- 1a6f1997fcbe
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| 904:f8e1852b91bc | 909:f025ab5e57ac |
|---|---|
| 19 #include <QPainter> | 19 #include <QPainter> |
| 20 #include <QMouseEvent> | 20 #include <QMouseEvent> |
| 21 #include "drawMode.h" | 21 #include "drawMode.h" |
| 22 #include "../ldObject.h" | 22 #include "../ldObject.h" |
| 23 #include "../glRenderer.h" | 23 #include "../glRenderer.h" |
| 24 #include "../miscallenous.h" | |
| 24 | 25 |
| 25 DrawMode::DrawMode (GLRenderer* renderer) : | 26 DrawMode::DrawMode (GLRenderer* renderer) : |
| 26 Super (renderer) {} | 27 Super (renderer) {} |
| 27 | 28 |
| 28 EditModeType DrawMode::type() const | 29 EditModeType DrawMode::type() const |
| 38 for (Vertex const& vert : m_drawedVerts) | 39 for (Vertex const& vert : m_drawedVerts) |
| 39 poly << vert; | 40 poly << vert; |
| 40 | 41 |
| 41 // Draw the cursor vertex as the last one in the list. | 42 // Draw the cursor vertex as the last one in the list. |
| 42 if (poly.size() < 4) | 43 if (poly.size() < 4) |
| 43 poly << renderer()->position3D(); | 44 poly << getCursorVertex(); |
| 44 | 45 |
| 45 renderPolygon (painter, poly, true, true); | 46 renderPolygon (painter, poly, true, true); |
| 46 } | 47 } |
| 47 | 48 |
| 48 bool DrawMode::preAddVertex (Vertex const& pos) | 49 bool DrawMode::preAddVertex (Vertex const& pos) |
| 72 { | 73 { |
| 73 endDraw(); | 74 endDraw(); |
| 74 return true; | 75 return true; |
| 75 } | 76 } |
| 76 | 77 |
| 77 addDrawnVertex (renderer()->position3D()); | 78 addDrawnVertex (getCursorVertex()); |
| 78 return true; | 79 return true; |
| 79 } | 80 } |
| 80 | 81 |
| 81 return false; | 82 return false; |
| 82 } | 83 } |
| 125 } | 126 } |
| 126 } | 127 } |
| 127 | 128 |
| 128 finishDraw (objs); | 129 finishDraw (objs); |
| 129 } | 130 } |
| 131 | |
| 132 template<typename _Type> | |
| 133 _Type IntervalClamp (_Type a, _Type interval) | |
| 134 { | |
| 135 _Type remainder = a % interval; | |
| 136 | |
| 137 if (remainder >= float (interval / 2)) | |
| 138 a += interval; | |
| 139 | |
| 140 a -= remainder; | |
| 141 return a; | |
| 142 } | |
| 143 | |
| 144 Vertex DrawMode::getCursorVertex() const | |
| 145 { | |
| 146 Vertex result = renderer()->position3D(); | |
| 147 | |
| 148 if (renderer()->keyboardModifiers() & Qt::ControlModifier | |
| 149 and not m_drawedVerts.isEmpty()) | |
| 150 { | |
| 151 Vertex const& v0 = m_drawedVerts.last(); | |
| 152 Vertex const& v1 = result; | |
| 153 Axis relX, relY; | |
| 154 | |
| 155 renderer()->getRelativeAxes (relX, relY); | |
| 156 QLineF ln (v0[relX], v0[relY], v1[relX], v1[relY]); | |
| 157 ln.setAngle (IntervalClamp<int> (ln.angle(), 45)); | |
| 158 result.setCoordinate (relX, Grid::Snap (ln.x2(), Grid::Coordinate)); | |
| 159 result.setCoordinate (relY, Grid::Snap (ln.y2(), Grid::Coordinate)); | |
| 160 } | |
| 161 | |
| 162 return result; | |
| 163 } |
