comparison: src/canvas.cpp
src/canvas.cpp
- changeset 1199
- 613a981223a6
- parent 1187
- 46dc716238fd
equal
deleted
inserted
replaced
| 1198:f7151e4cd90f | 1199:613a981223a6 |
|---|---|
| 96 void Canvas::drawFixedCameraBackdrop() | 96 void Canvas::drawFixedCameraBackdrop() |
| 97 { | 97 { |
| 98 // Find the top left corner of the grid | 98 // Find the top left corner of the grid |
| 99 Vertex topLeft = currentCamera().idealize(currentCamera().convert2dTo3d({0, 0})); | 99 Vertex topLeft = currentCamera().idealize(currentCamera().convert2dTo3d({0, 0})); |
| 100 Vertex bottomRight = currentCamera().idealize(currentCamera().convert2dTo3d({width(), height()})); | 100 Vertex bottomRight = currentCamera().idealize(currentCamera().convert2dTo3d({width(), height()})); |
| 101 qreal gridSize = grid()->coordinateSnap(); | 101 qreal gridSize = Grid::coordinateSnap(); |
| 102 glEnable(GL_LINE_STIPPLE); | 102 glEnable(GL_LINE_STIPPLE); |
| 103 glBegin(GL_LINES); | 103 glBegin(GL_LINES); |
| 104 | 104 |
| 105 switch (grid()->type()) | 105 switch (Grid::type()) |
| 106 { | 106 { |
| 107 case Grid::Cartesian: | 107 case Grid::Cartesian: |
| 108 { | 108 { |
| 109 qreal x0 = sign(topLeft.x()) * (fabs(topLeft.x()) - fmod(fabs(topLeft.x()), gridSize)); | 109 qreal x0 = sign(topLeft.x()) * (fabs(topLeft.x()) - fmod(fabs(topLeft.x()), gridSize)); |
| 110 qreal y0 = sign(topLeft.y()) * (fabs(topLeft.y()) - fmod(fabs(topLeft.y()), gridSize)); | 110 qreal y0 = sign(topLeft.y()) * (fabs(topLeft.y()) - fmod(fabs(topLeft.y()), gridSize)); |
| 146 } | 146 } |
| 147 break; | 147 break; |
| 148 | 148 |
| 149 case Grid::Polar: | 149 case Grid::Polar: |
| 150 { | 150 { |
| 151 const QPointF pole = grid()->pole(); | 151 const QPointF pole = Grid::pole(); |
| 152 const qreal size = grid()->coordinateSnap(); | 152 const qreal size = Grid::coordinateSnap(); |
| 153 Vertex topLeft = currentCamera().idealize(currentCamera().convert2dTo3d({0, 0})); | 153 Vertex topLeft = currentCamera().idealize(currentCamera().convert2dTo3d({0, 0})); |
| 154 Vertex bottomRight = currentCamera().idealize(currentCamera().convert2dTo3d({width(), height()})); | 154 Vertex bottomRight = currentCamera().idealize(currentCamera().convert2dTo3d({width(), height()})); |
| 155 QPointF topLeft2d {topLeft.x(), topLeft.y()}; | 155 QPointF topLeft2d {topLeft.x(), topLeft.y()}; |
| 156 QPointF bottomLeft2d {topLeft.x(), bottomRight.y()}; | 156 QPointF bottomLeft2d {topLeft.x(), bottomRight.y()}; |
| 157 QPointF bottomRight2d {bottomRight.x(), bottomRight.y()}; | 157 QPointF bottomRight2d {bottomRight.x(), bottomRight.y()}; |
| 169 // Is the pole at (0, 0)? If so, then don't render the polar axes above the real ones. | 169 // Is the pole at (0, 0)? If so, then don't render the polar axes above the real ones. |
| 170 bool poleIsOrigin = isZero(pole.x()) and isZero(pole.y()); | 170 bool poleIsOrigin = isZero(pole.x()) and isZero(pole.y()); |
| 171 glColor4f(0, 0, 0, 0.25); | 171 glColor4f(0, 0, 0, 0.25); |
| 172 | 172 |
| 173 // Render the axes | 173 // Render the axes |
| 174 for (int i = 0; i < grid()->polarDivisions() / 2; ++i) | 174 for (int i = 0; i < Grid::polarDivisions() / 2; ++i) |
| 175 { | 175 { |
| 176 qreal azimuth = (2.0 * pi) * i / grid()->polarDivisions(); | 176 qreal azimuth = (2.0 * pi) * i / Grid::polarDivisions(); |
| 177 | 177 |
| 178 if (not poleIsOrigin or not isZero(fmod(azimuth, pi / 2))) | 178 if (not poleIsOrigin or not isZero(fmod(azimuth, pi / 2))) |
| 179 { | 179 { |
| 180 QPointF extremum = {cos(azimuth) * 10000, sin(azimuth) * 10000}; | 180 QPointF extremum = {cos(azimuth) * 10000, sin(azimuth) * 10000}; |
| 181 QPointF A = pole + extremum; | 181 QPointF A = pole + extremum; |
| 189 { | 189 { |
| 190 if (not isZero(radius)) | 190 if (not isZero(radius)) |
| 191 { | 191 { |
| 192 Vertex points[48]; | 192 Vertex points[48]; |
| 193 | 193 |
| 194 for (int i = 0; i < grid()->polarDivisions(); ++i) | 194 for (int i = 0; i < Grid::polarDivisions(); ++i) |
| 195 { | 195 { |
| 196 qreal azimuth = (2.0 * pi) * i / grid()->polarDivisions(); | 196 qreal azimuth = (2.0 * pi) * i / Grid::polarDivisions(); |
| 197 QPointF point = pole + QPointF {radius * cos(azimuth), radius * sin(azimuth)}; | 197 QPointF point = pole + QPointF {radius * cos(azimuth), radius * sin(azimuth)}; |
| 198 points[i] = currentCamera().realize({point.x(), point.y(), 999}); | 198 points[i] = currentCamera().realize({point.x(), point.y(), 999}); |
| 199 } | 199 } |
| 200 | 200 |
| 201 for (int i = 0; i < grid()->polarDivisions(); ++i) | 201 for (int i = 0; i < Grid::polarDivisions(); ++i) |
| 202 { | 202 { |
| 203 glVertex(points[i]); | 203 glVertex(points[i]); |
| 204 glVertex(ring(points, grid()->polarDivisions())[i + 1]); | 204 glVertex(ring(points, Grid::polarDivisions())[i + 1]); |
| 205 } | 205 } |
| 206 } | 206 } |
| 207 } | 207 } |
| 208 } | 208 } |
| 209 break; | 209 break; |
| 272 } | 272 } |
| 273 | 273 |
| 274 void Canvas::mouseMoveEvent(QMouseEvent* event) | 274 void Canvas::mouseMoveEvent(QMouseEvent* event) |
| 275 { | 275 { |
| 276 // Calculate 3d position of the cursor | 276 // Calculate 3d position of the cursor |
| 277 m_position3D = currentCamera().convert2dTo3d(mousePosition(), grid()); | 277 m_position3D = currentCamera().convert2dTo3d(mousePosition(), true); |
| 278 | 278 |
| 279 if (not m_currentEditMode->mouseMoved(event)) | 279 if (not m_currentEditMode->mouseMoved(event)) |
| 280 GLRenderer::mouseMoveEvent(event); | 280 GLRenderer::mouseMoveEvent(event); |
| 281 } | 281 } |
| 282 | 282 |
