comparison: src/ui/canvas.cpp
src/ui/canvas.cpp
- changeset 168
- 24590af32ad6
- parent 166
- 8857351912d0
- child 169
- 6da096930534
equal
deleted
inserted
replaced
| 167:c1ff4f107569 | 168:24590af32ad6 |
|---|---|
| 238 void Canvas::drawWorldPolygon(QPainter* painter, const std::vector<glm::vec3> &points) | 238 void Canvas::drawWorldPolygon(QPainter* painter, const std::vector<glm::vec3> &points) |
| 239 { | 239 { |
| 240 painter->drawPolygon(QPolygonF{this->convertWorldPointsToScreenPoints(points)}); | 240 painter->drawPolygon(QPolygonF{this->convertWorldPointsToScreenPoints(points)}); |
| 241 } | 241 } |
| 242 | 242 |
| 243 Winding Canvas::worldPolygonWinding(const std::vector<glm::vec3> &points) const | |
| 244 { | |
| 245 return geom::winding(QPolygonF{this->convertWorldPointsToScreenPoints(points)}); | |
| 246 } | |
| 247 | |
| 243 /** | 248 /** |
| 244 * @brief Gets the current position of the cursor in the model | 249 * @brief Gets the current position of the cursor in the model |
| 245 * @return 3D vector | 250 * @return 3D vector |
| 246 */ | 251 */ |
| 247 const std::optional<glm::vec3>& Canvas::getWorldPosition() const | 252 const std::optional<glm::vec3>& Canvas::getWorldPosition() const |
| 324 // and the grid is perpendicular to the screen. | 329 // and the grid is perpendicular to the screen. |
| 325 const float dot = glm::dot(glm::normalize(this->gridPlane.normal), glm::normalize(cameraDirection)); | 330 const float dot = glm::dot(glm::normalize(this->gridPlane.normal), glm::normalize(cameraDirection)); |
| 326 return std::abs(dot) < threshold; | 331 return std::abs(dot) < threshold; |
| 327 } | 332 } |
| 328 | 333 |
| 329 QVector<QPointF> Canvas::convertWorldPointsToScreenPoints(const std::vector<glm::vec3> &worldPoints) | 334 QVector<QPointF> Canvas::convertWorldPointsToScreenPoints(const std::vector<glm::vec3> &worldPoints) const |
| 330 { | 335 { |
| 331 QVector<QPointF> points2d; | 336 QVector<QPointF> points2d; |
| 332 points2d.reserve(worldPoints.size()); | 337 points2d.reserve(worldPoints.size()); |
| 333 for (const glm::vec3& point : worldPoints) | 338 for (const glm::vec3& point : worldPoints) |
| 334 { | 339 { |
